Installation and Operation Manual Single Duct Terminal Units · 2020. 11. 12. · Single duct terminals units are shipped from the factory with the following information labels. 1)

3/15 IOM-SDTU

Installation and Operation ManualSingle Duct Terminal Units

Nailor Industries Inc. reserves the right to change any information concerning product or specification without notice or obligation.

Page 1 of 4

Receiving InspectionAfter unpacking the assembly check it forshipping damage. If any shipping damage isfound, report it immediately to the deliveringcarrier. During unpacking and installation donot handle by the inlet velocity sensor or thecontrol package.

Determine Position of theControl EnclosureThe control enclosure can be installed oneither side of the ductwork by flipping the VAVunit over 180 degrees. Unit with mercurycontactors, pneumatic controls, and digitalcontrols (DDC) need to be inspected beforeinstalling.Important: Unit with mercury contactors isposition sensitive. As a result, before installingunit with mercury contactors, inspect theposition of the mercury contactors in thecontrol enclosure. Mercury contactors must beheading up 90 degrees vertically. If they areheading down, unscrew the mercury contactors,rotate 180 degrees, and reinstall them.If unit is equipped with pneumatic controls, itshould be mounted right side up and levelwithin ±10 degrees of horizontal, and parallel tothe airflow. The first letter in the model numberindicates control type (P is for pneumatic). Ifthe unit is mounted upside down, the controllerwill have to be repositioned, re-piped, andrecalibrated. Analog control units (A-analogmodel number pre-fix) may be installed in anyorientation. Some Digital (DDC) controls(D-digital model number pre-fix) are positionsensitive dependent on the airflow sensortransducer. Check with the controlsmanufacturer for verification.

Supporting the AssemblyWe recommend that each terminal unit beindependently supported, especially whenaccessory modules, such as coils, attenuators,silencers or multiple outlets are present.Hanger straps may be used and screweddirectly into the sides or bottom of the unitcasing (see Fig. 1). Alternately, a carriagemade of unistrut may be used, somtimes this isknown as a trapeze setup. Support the VAVand any accessories separately (Fig. 2). Whenrequested, unit is supplied with field mountedhanger brackets for use with hanger rod up to3/8" (9.5) dia. Hanger brackets should bescrewed into the top of the unit casing (see Fig.3 & 4). Use the support method prescribed forthe rectangular duct in the job specifications.

CONTROLENCLOSURE

INLETOPTIONAL HANGER BRACKET

(FIELD LOCATED& INSTALLED)

RECTANGULARDISSIPATIVE SILENCER

SLIP & DRIVECONNECTION

COILSECTION

COMPRESSION STRAP ON FLEXDUCTTO ENSURE AIRTIGHT JOINT

OPTIONALACCESS DOOR

CONTROLENCLOSURE

RECTANGULARDISSIPATIVE SILENCER


COMPRESSION STRAP ON FLEXDUCTTO ENSURE AIRTIGHT JOINT

CONTROLENCLOSURE

INLET


COMPRESSION STRAP ONFLEXDUCT TO ENSURE

AIRTIGHT JOINT

OPTIONALACCESS DOOR COIL

SECTION

RECTANGULARDISSIPATIVESILENCER


ACCESSDOOR VAV

SECTION

DISCHARGEDUCT

INLETDUCT

CONTROLENCLOSURE


OPTIONAL HANGER BRACKET(FIELD LOCATED & INSTALLED)

METAL STRAP HANGERSSECURED TO BUILDING STRUCTURE

INLET 5/16" OR 3/8" (8 OR 10) DIAMETER HANGER RODSSECURED TO BUILDING STRUCTURE

MINIMUM 2 DUCT DIAMETERSOF STRAIGHT DUCT

ON AIR TERMINAL INLET





DISCHARGEDUCT

DISCHARGEDUCT

DISCHARGEDUCT

Figure 1: Support Using Hanger Straps (Shown: Model D30RW - Single Duct VAVTerminal Unit with Hot Water Heat).

Figure 2: Support Using Unistrut and Rods (Shown: Model 3001Q - Single DuctTerminal Unit with Dissipative Silencer).

Figure 3: Support Using Optional Supplied Hanger Brackets (Shown: ModelD30RWQ - Single Duct VAV Quiet Terminal Unit with Standard DissipativeSilencer and Hot Water Heat).

Figure 4: Support Using Optional Supplied Hanger Brackets (Shown: ModelD30HQX - Single Duct VAV Exhaust Terminal Unit with Dissipative Silencer).

3/15 IOM-SDTUNailor Industries Inc. reserves the right to change any information concerning product or specification without notice or obligation.

Page 2 of 4

Labels Single duct terminals units are shipped from the factory with the following information labels.

1) Sample Nameplate Label– affixed to the air terminal casing beside the control mounting panel. Shows tagging information, serial-model number, size, cfm, voltage,amps, MOP, etc.

Duct ConnectionsSlip each inlet duct over the inlet collar of the terminal. Fasten andseal the connection as described in the job specification. Thediameter of the inlet duct for round inlets (unit size 4 through 10)must be equal to the listed size of the terminal. The inlet collar ofthe terminal is made 1/8" (3) smaller than listed size in order to fitinside the duct (see figure 1). Unit size 12 through 16 utilize flatoval inlet collars and unit size 24 x 16 has a rectangular inlet collar.The flat oval inlets are undersized for flexible duct connection. Forhard inlet duct connections, refer to submittal drawing fordimensional data. On exhaust units the duct should mate to theterminal using slip and drive connections (see Fig. 4).Important: Do not insert ductwork inside the inlet collar of theassembly. For optimum performance, 2 to 3 equivalent diameters ofstraight duct should be installed prior to the inlet of the unit. Allducts should be installed in accordance with SMACNA guidelines.The outlet end of the terminal is designed for use with slip and driveduct connections. A rectangular duct the size of the terminal outletshould be attached.

Field WiringAll field wiring must comply with NEC and local codes. Electrical,control, and piping diagrams can be found on labels affixed to theexterior/interior of the control enclosure box. All Nailor electricheaters are staged per specifications. The installing electricianshould rotate the incoming electric service by phase to helpbalance the building electric load.

IMPORTANT: Electric re-heat units ordered with SCR orSSR, route field wiring near bottom of control box. Do notplace directly behind SCR or SSR.

Fuse size designates the size of the internal fuse if it is supplied.Maximum Overcurrent Protection (MOP) designates the largestbreaker or fuse in the electrical service panel that can be used toprotect the unit.

Control Start-up and OperationYour local Nailor Representative can provide detailed informationabout start-up and operating procedures for Nailor’s digital, analog,and pneumatic controls. For specific information on controlsprovided by other manufacturers, contact the specif icmanufacturer’s local or national office. This applies whether thecontrols were factory or field mounted.Note: Digital controllers may use specific communication addressesbased on Building Management Systems Architecture and originalengineering drawings. Installing the terminal in a location other thanthat noted on the label may result in excessive start-up labor.

NOTE

3/15 IOM-SDTUNailor Industries Inc. reserves the right to change any information concerning product or specification without notice or obligation.

Page 3 of 4

.40

.02

.03

.04

.05

.06

.07

.08

.09

.20

.15

.50

.60

.70

.80

.901.0

.30

4030 300 400 600 8001000 1500 4000 700030002000807050 200100 150

.10

CFM (standard air)

DIAMOND FLOW SENSORFIELD CALIBRATION CHARTMODEL SERIES: 3000, 3210, 35S-OAI & 38S

DFSCC-110 - 09

SE

NS

OR

∆P

(IN

CH

ES

W.G

.)

SIZE

4 R

OU

ND

SIZE

5 R

OU

ND

SIZE

6 R

OU

ND

SIZE

7 R

OU

ND

SIZE

8 R

OU

ND

SIZE

9 R

OU

ND

SIZE

10

RO

UN

DSI

ZE 1

2 O

VAL

SIZE

14

OVA

LSI

ZE 1

6 O

VAL

SIZE

24

x 16

REC

T.

ALLOWABLE PNEUMATIC LOSETTING MIN. ∆P = O.O3" W.G.

Inlet K-Factor Size (std. air) 4 Round 182 5 Round 325 6 Round 455 7 Round 657 8 Round 899 9 Round 1158 10 Round 1497 12 Oval 2058 14 Oval 2554 16 Oval 3035 24 x 16 Rect. 6797

CFM = K x ∆P�

3) Sample Calibration Label – affixed near the control mounting panel. Shows airflow calibration data.

3) Airflow Direction Label – affixed to the inlet collar (Supply Units) or to the Flow sensor (Exhaust Units).

AIR FLOW (ECOULEMENT DE L'AIR)


LOW (BAS) HIGH (HAUT)

HIGH (HAUT) LOW

Replacement PartsPrimary Damper Valve Part NumberSize 4", 5", 6" VB3-231Size 7", 8" VB3-233Size 9", 10" VB3-234Size 12" VB3-235Size 14" VB3-236Size 16" VB3-237Size 24"x16" VB3-238

Pneumatic FR Tubing (1/4" O.D.)Black VB3-066Blue stripe VB3-068Red stripe VB3-067

Tee for Sensor TapBarbed, 1/8" VB3-058

Diamond Flow Sensor Part NumberInlet Size

4" 3/16" O.D. tube V11045" 3/16" O.D. tube V11056" 3/16" O.D. tube V11067" 3/16" O.D. tube V11078" 3/16" O.D. tube V11089" 3/16" O.D. tube V110910" 3/16" O.D. tube V111012" 3/16" O.D. tube V111214" 3/16" O.D. tube V111416" 3/16" O.D. tube V1116

24"x 16" 3/16" O.D. tube V1124

Control ComponentsAnalog - See Analog Operation Manual (IOM-AECVAV)

Cap for Sensor TeeRubber, for 1/8" Tee VB3-059

Recommended MaintenanceSingle Duct Terminal Units supplied with stainless steelconstruction are supplied with Celcon® bearings as standard.Bronze oil impregnated bearings and 316 stainless steelbearings are optional for certain applications. It isrecommended that those units equipped with 316 stainless steelbearings be lubricated periodically as required by the applicationand environment.

A Silicone based lubricant such as DuPont™ Pure SiliconeLubricant with KRYTOX® PTFE or equivalent should be appliedto the shaft between the shaft and the bearing surface toprevent excessive wear. This can be done without removal ofthe shaft by pushing or pulling the shaft in one direction whileusing a spray applicator tube to inject lubricant into the smallgap formed on the opposite side.

Page 4 of 4

Calgary, CanadaTel: 403-279-8619Fax: 403-279-5035

Houston, TexasTel: 281-590-1172Fax: 281-590-3086

Las Vegas, NevadaTel: 702-648-5400Fax: 702-638-0400

Toronto, CanadaTel: 416-744-3300Fax: 416-744-3360

“Comp l e t e A i r Con t r o l a nd D i s t r i b u t i o n So l u t i o n s . ” www.na i l o r . c om

3/15 IOM-SDTU

3/03 IOM-DDTU

Installation and Operation ManualDual Duct Terminal Units


Page 1 of 4

Receiving InspectionAfter unpacking the assembly check it for shipping damage. If anyshipping damage is found, report it immediately to the deliveringcarrier. During unpacking and installation do not handle by the inletvelocity sensor or the control package.

Supporting the AssemblyDual duct units are designed to be independently supported. Whenrequested, unit is supplied with field mounted hanger brackets foruse with hanger rod up to 3/8" (9.5) dia. Hanger brackets should bescrewed into the top of the unit casing sides and/or the inlet andoutlet ends. Hanger straps may alternately be used and screweddirectly into the sides of the unit casing. Use the support methodprescribed for the rectangular duct in the job specifications.

Important: If unit is equipped with pneumatic controls, it should bemounted right side up and level within ±10 degrees of horizontaland parallel to the airflow. The terminal is marked with a labelstating "Top of Unit".The first letter in the model number indicatescontrol type (P is for pneumatic). If the unit is mounted upsidedown, the controllers will have to be re-positioned, re-piped, and re-calibrated. Analog control units (A-analog model number pre-fix)may be installed in any orientation. Some Digital (DDC) controls (D-digital model number pre-fix) are position sensitive dependent onthe airflow sensor transducer. Check with the controls manufacturerfor verification.

Duct ConnectionsSlip each inlet duct over the inlet collar of the terminal. Fasten andseal the connection as described in the job specification. Thediameter of the inlet duct "D" (see Figure 1) for round inlets (Models3230 and 3240 with mixing attenuators) must be equal to the listedsize of the terminal; i.e., a duct that actually measures 8" (203)must be fitted to a size 8 terminal inlet. The inlet collar is made 1/8"(3) smaller than nominal duct size in order to fit inside the duct.Model 3210 (no mixing attenuator) utilizes flat oval inlet collars onunit sizes 12 through 16. They are undersized for flexible ductconnection. For hard inlet duct connections, refer to submittaldrawing for dimensional data. The supply ductwork should beinsulated up to the face of the terminal unit.

Important: Do not insert duct work inside the inlet collar of theassembly. For optimum performance, 2 to 3 equivalent diameterof straight duct should be installed prior to the inlet of the unit. Allducts should be installed in accordance with SMACNA guidelines.The outlet end of the terminal for models 3230 and 3240 is suppliedwith a rectangular collar. A rectangular duct the size of the terminaloutlet should be attached.

Model 3210 is supplied with slip and drive duct connections. Arectangular duct, the size of the terminal outlet should be installed.

TOP

SIDE

DISCHARGECOLLARFOR DUCTCONNECTION

D

D

2" (51) TYPICAL

OPTIONALHANGERBRACKETS

Figure 1: Dual Duct Terminal Unit Support usinghanger brackets and rods.

3/03 IOM-DDTU


Page 2 of 4

Airflow Direction (affixed to inlet collars)




HIGH (HAUT) LOW

Field WiringAll field wiring must comply with NEC and local codes. Electrical,control, and piping diagrams can be found on labels affixed to theexterior/interior of the control enclosure box.

Control Start-up, OperationYour local Nailor Representative can provide detailed informationabout start-up and operating procedures for Nailor’s digital, analog,and pneumatic controls. For specific information on controlsprovided by other manufacturers, contact the specif icmanufacturer’s local or national office. This applies whether thecontrols were factory or field mounted.

Note: Digital controllers may use specific communication addressesbased on Building Management Systems Architecture and originalengineering drawings. Installing the terminal in a location otherthan that noted on the label may result in excessive start-up labor.

LabelsDual duct terminal units are shipped from the factory with thefollowing information labels.

1) Nameplate Label – affixed to the air terminal casing on thecontrol mounting panel. Shows tagging information, serial number,model number, size, cfm, etc.

Nameplate Label

DUAL DUCT (UNITE TERMINALE @

TERMINAL UNIT VENTILATEUR INTEGRÉ)

DATE (DATE) : 7-Nov-2001 SERIAL NO. (NO. DE SÉRIE) : 11673-2MODEL (MODÈLE) : P3230 TAG NO. (NO. DÈTIQUETTE) : JBHUNIT SIZE-INLET SIZE : 8 VOLTAGE (VOLTAGE) :(DIAMETRE D'ENTRÉE) CONTROL VOLTAGE : 24(VOLTAGE DE CONTRÔLE) CONTROL SEQUENCE : DP3

(SEQUENCE DE CONTRÔLE)

USE WIRE SUITABLE FOR AT LEAST 75 oC UTILISER UN FIL METALIQUE QUI CONVIENT AU MOIN 75 oC

L1 IS COLOR CODED BLACK , L2 IS BLUE, L3 IS RED L1 EST COLORÉ NOIRE, L2 EST BLUE , L3 EST ROUGE,

CONTROL WIRES CODED AS MARKED LES FILS DE CONTRÔLE SON INDENTIFIÉE COMME MARQUE,

USE COPPER CONDUCTORS ONLY. UTILISÉ DES CONDUCTEURS DE CUIVRE SEULEMENT.

USE CLASS K, RK1, A2D OR A6D FUSE OR HACR BREAKERS. UTILISÉ DES FUSIBLES CLASS K, RK1, A2D, OU A6D OU HACR DISJONCTEURS.

CFM (MAX/MIN) : L/S (MAX/<MIN) :

3/03 IOM-DDTU


Page 3 of 4

Replacement PartsPrimary Damper Valve Part NumberModels 3230 and 3240

Size 4", 5", 6" VB3-331

Size 7", 8" VB3-333

Size 9", 10" VB3-334

Size 12" VB3-335

Size 14" VB3-336

Size 16" VB3-337

Models 3210

Size 4", 5", 6" VB3-231

Size 7", 8" VB3-233

Size 9", 10" VB3-234

Size 12" VB3-235

Size 14" VB3-236

Size 16" VB3-237

Pneumatic FR Tubing (1/4" O.D.)Black VB3-066

Blue stripe VB3-068

Red stripe VB3-067



Diamond Flow Sensor Part NumberInlet Size

4" 3/16" O.D. tube V11045"3/16" O.D. tube V11056"3/16" O.D. tube V11067"3/16" O.D. tube V11078"3/16" O.D. tube V11089"3/16" O.D. tube V110910"3/16" O.D. tube V111012"3/16" O.D. tube V111214"3/16" O.D. tube V111416"3/16" O.D. tube V1116

Control ComponentsDigital - See Digital Operation Manual

Analog - See Analog Operation Manual

Pneumatic - See Pneumatic Operation Manual

Sample Calibration Label -- affixed near the control mounting panel. Shows airflow calibration data.

30 300 400 600 800 15001000 4000 6000 800030002000

.40

.02

.03

.04

.05

.06

.07

.08

.09

.20

.50

.60

.70

.80

.901.0

.30

80 15060 705040 200100

.10

.25

.15

500

CFM

DIAMOND FLOW SENSORFIELD CALIBRATION CHARTMODEL SERIES: 3200 (MkII), 35S, 35SST, 35P, 36VRR

DFSCC-26.98

SE

NS

OR

∆P

(IN

CH

ES

W.G

.)

ALLOWABLE LO SETTINGMIN. ∆P = O.O3" W.G.

SIZ

E 4

RO

UN

DS

IZE

5 R

OU

ND

SIZ

E 6

RO

UN

DS

IZE

7 R

OU

ND

SIZ

E 8

RO

UN

DS

IZE

9 R

OU

ND

SIZ

E 1

0 R

OU

ND

SIZ

E 1

2 R

OU

ND

SIZE

14

RO

UN

DS

IZE

16

RO

UN

DS

IZE

18

OVA

L

Page 4 of 4


Ft. Lauderdale, FloridaTel: 954-351-2444Fax: 954-351-2440




“ C o m p l e t e A i r C o n t r o l a n d D i s t r i b u t i o n S o l u t i o n s . ” w w w. n a i l o r . c o m

3/03 IOM-DDTU

11/11 IOM-RFTU

Installation and Operation ManualRetrofit Terminal Units


Page 1 of 2

Receiving InspectionAfter unpacking the assembly check it for shipping damage. Ifany shipping damage is found, report it immediately to thedelivering carrier. During unpacking and installation do nothandle by the inlet velocity sensor or the optional controlpackage.

InstallationFor installation, cut a rectangular opening in the side of the duct.The opening should be the height of the duct and 12" (305) wideas shown in Figure 1. If the duct has internal insulation, cut a 1inch wide strip of insulation inside the duct. The strip ofinsulation removed will allow the assembly to slide in smoothly.Make sure the inlet airflow sensor is installed upstream of thedamper and in direction of airflow. Use sheet metal screwsalong the left and right side of the mounting plate as well as thetop and bottom flanges in order to secure the mounting plate tothe rectangular duct. Seal as necessary in order to meetapplicable standards. Any control components can now beinstalled and connected.

Field WiringAll field wiring must comply with NEC and local codes.Electrical, control, and piping diagrams can be found on labelsaffixed to the exterior / interior of the control enclosure. Fusesize designates the size of the internal fuse if supplied.

Maximum Overcurrent Protection (MOP) designates the largestbreaker or fuse in the electrical service panel that can be used.

Control Start-up, OperationYour local Nailor Representative can provide information aboutstart-up and operating procedures for Nailor’s digital, analog,and pneumatic controls. For specific information on controlsprovided by other manufacturers, contact the specif icmanufacturer’s local or national office.

Labels Retrofit terminals units are shipped from the factory with thefollowing information label.

CCWTO

OPEN

MOUNTING PLATE

DRIVE SHAFT

FULL ELECTRICAL CONTROLSENCLOSURE FOR FACTORY MOUNTED

DDC AND ELECTRONIC CONTROLS14" x 10" x 6" DEEP (356 x 254 x 152)

DUCT OPENINGBY OTHERS

12" (305)

AIRFLOW

OVERLAP FLANGE(TOP & BOTTOM)

16" (408)FULL

GASKET

MULTI-POINTAVERAGING

FLOW SENSOR

H*

W*

IF LINED DUCT, REMOVEINSULATION TO ALLOW ASSEMBLY

TO INSTALL SMOOTHLY

Airflow Direction Label




HIGH (HAUT) LOW

* Refer to submittal for duct size dimensions.

Figure 1: Model 36VRS - Slide-In Retrofit Terminal Unit

Dimensions are in inches (mm).

Page 2 of 2





“Comp l e t e A i r Con t r o l a nd D i s t r i b u t i o n So l u t i o n s . ” www.na i l o r . c om

11/11 IOM-RFTU

Replacement PartsPneumatic FR Tubing (1/4" O.D.)Black VB3-066

Blue stripe VB3-068

Red stripe VB3-067



Control ComponentsDigital - See Digital Operation Manual

Analog - See Analog Operation Manual

Pneumatic - See Pneumatic Operation Manual

4/09 IOM-BPTU

Installation and Operation ManualBypass Terminal Units


Page 1 of 2

Receiving InspectionAfter unpacking the assembly; check it for shipping damage. If anyshipping damage is found, report it immediately to the deliveringcarrier. During unpacking and installation do not handle by thecontrol package.

Supporting the AssemblyAlthough the basic unit is light enough that it can be supported bythe ductwork itself, we recommend that it be independentlysupported, especially when accessory modules, such as coils,attenuators, or multiple outlets are present. When requested, unit issupplied with field mounted hanger brackets for use with hangerrod up to 3/8 (9.5) dia. Hanger brackets should be screwed into thetop of the unit casing. Hanger straps may alternately be used andscrewed directly into the sides or bottom of the unit casing. Use thesupport method prescribed for the rectangular duct in the jobspecifications.

Duct ConnectionsSlip each inlet duct over the inlet collar of the terminal. Fasten andseal the connection as described in the job specification. Thediameter of the inlet duct for round inlets (unit size 4 through 10)must be equal to the listed size of the terminal. The inlet collar ofthe terminal is made 1/8 (3) smaller than listed size in order to fitinside the duct. Unit size 12 through 16 utilize flat oval inlet collars.The flat oval inlets are undersized for flexible duct connection. Forhard inlet duct connections, refer to submittal drawing fordimensional data.

Important: Do not insert ductwork inside the inlet collar of theassembly. For optimum performance, 2 to 3 equivalent diametersof straight duct should be installed prior to the inlet of the unit. Allducts should be installed in accordance with SMACNA guidelines.The outlet end of the terminal is designed for use with slip and driveduct connections. A rectangular duct the size of the terminal outletshould be attached.

Field WiringAll field wiring must comply with NEC and local codes. Electrical,control, and piping diagrams can be found on labels affixed to theexterior/interior of the control enclosure box. All Nailor electricheaters are staged per specifications. The installing electricianshould rotate the incoming electric service by phase to helpbalance the building electric load.


Control Start-up, OperationYour local Nailor Representative can provide detailed informationabout start-up and operating procedures for Nailor’s digital, analog,and pneumatic controls. For specific information on controlsprovided by other manufacturers, contact the specif icmanufacturer’s local or national office. This applies whether thecontrols were factory or field mounted.

Note: Digital controllers may use specific communicationaddresses based on Building Management Systems Architectureand original engineering drawings. Installing the terminal in alocation other than that noted on the label may result in excessivestart-up labor.

Balancing ProcedureThis balancing procedure assumes that the fan supplying thesystem maintains a constant static pressure in the supply duct tothe terminal unit. Bypass terminal units are pressure dependent andwill need rebalancing if system duct static pressure changes.

The 3400 series are shipped with both inlet and bypass balancingdampers as standard to permit ease of field balancing and to ensureaccurate adjustment and optimum operation.

1. Fully open the dampers of all supply outlets on the dischargeduct from the terminal unit.

2. Place terminal in the full open position, supplying 100% air to theoccupied space by adjusting the thermostat to full cooling.

3. Adjust the balancing dampers located in the terminal inlet toprovide the required total airflow.

4. Starting with the outlet furthest downstream, adjust the damperof each air outlet to the required air volume.

5. Take a static pressure reading at the terminal unit, using amagnehelic gauge or equivalent.

6. Adjust the room thermostat to full heating to provide 100%bypass airflow or the minimum air volume to the room, if amechanical minimum air volume stop is utilized. An indicator markon the end of the driveshaft shows damper position, 90° rotationCW to close.

7. Adjust the bypass outlet damper(s) on the terminal until the staticpressure reading equals that obtained in step 5.

8. Re-adjust the room thermostat to the desired setpointtemperature. The terminal is now balanced.

Dimensions are in inches (mm).

Page 2 of 2






4/09 IOM-BPTU

Mechanical Minimum Stop Field SettingProcedurePneumatic Actuator (MCP-3631 Series)Actuator rotation is 100°. Angle ofrotation can be limited by inserting a1/4" – 20 stroke stop screw intofront end of actuator and securingwith a lock nut (field supplied byuser). Length of screw isunimportant as long as it has adequate thread length. Damperrotates 90°, CW to close and has built in end stops.

1. Direct acting/normally closed damper connection: Disconnectcontrol air to actuator. Ensure damper and actuator are inalignment. Damper should be fully closed.

(a) Using mechanical minimum stop. Adjust screw to back-offdamper to required minimum airflow position.

(b) Using damper end stops (no mech. minimum stop provided).Loosen collar set and bushing on damper shaft. Rotate dampershaft CCW to desired minimum airflow position and re-tightenactuator connection.

2. Reverse acting/normally open damper connection:

(a) Using stroke stop screw. Apply 20 psi main air to actuator.Insert screw (by others) and back-off damper to required minimumairflow position.

(b) Using damper end stops (no built-in stroke stop screw). Loosendamper/actuator collar set and bushing coupling. Apply 20 psi mainair to actuator. When actuator reaches the end of its rotation, rotatedamper shaft CCW to desired minimum airflow position and re-tighten on shaft.

Electric Actuators

KMC MEP-5071 (standard). Position damper to the full openposition. Depress the gear disengagement button and position thedrive collar so the indicator mark is at the "90" mark. Tightensetscrews on shaft. Loosen lower travel stop one-half turn and slideto desired position. Tighten stop screw.

Honeywell ML6161B-2024 (optional). Use clutch to position damperin fully open position. Insert setscrew with lock nut (supplied) in thethreaded hole in top left corner of actuator, turning CW until fullyinserted. With setscrew fully inserted, minimum position is 30°, fullyout O°. Use conversion of approx. 1.7 angular degrees per turn ofthe setscrew. Back screw out of housing and stop slightly short ofthe calculated position. This allows the setscrew to be setaccurately while taking airflow measurements. (Important: Do notback-drive actuator with setscrew, damage may result.) Rotateactuators to minimum position using the manual declutch.Accurately set minimum flow by backing-off setscrew as requiredusing airflow measurement. Using locknut, secure against actuatorhousing to lock setscrew in place.

Desired Insertion ofRotation Stop Screw

95° 0.520" (13.2)85° 0.700" (17.8)75° 0.875" (22.2)65 ° 1.050" (26.7)55° 1.220" (40.0)45° 1.400" (35.6)

BYPASSBALANCING DAMPERS

INLETBALANCING

DAMPERFLOWDIVERTERVALVE

DAMPER ACTUATORFIELD ADJUST FOR MINIMUMAIR VOLUME IF REQUIRED

SUPPLY

AIRFLOW

HI.(Ps)

MAGNEHELICGAUGE

OUTLET BALANCING DAMPERAT TAKE-OFF

DISCHARGE

AIRFLOW

3/05 IOM-FPTU

Installation and Operation ManualFan Powered Terminal Units


Page 1 of 6

Receiving InspectionAfter unpacking the terminal unit, check it for shipping damage. Ifany shipping damage is found, report it immediately to thedelivering carrier. Store units in a clean, dry location.

Caution: Do not use the inlet collar, damper shaft, airflowsensor, electrical conduit, or tubing as a handle to lift or moveassembly. Damage to the air terminal unit or controls mayresult.

Supporting the AssemblySuspend the unit from the building structure in a horizontal plane.Be careful not to obstruct all the access panels with supportchannels or straps. When requested, unit is supplied with fieldmounted hanger brackets for use with hanger rod up to 3/8" (9.5)dia. Hanger brackets or straps should be screwed to the top cornerposts, unit casing sides or alternatively onto the inlet and outletends of the unit if the top corner posts are not accessible. Fanpowered VAV terminal units are too heavy to suspend with theductwork. They must be independently supported.

Nailor recommends attaching straps or screws into the 16 gaugeframe of the 35S and 35P Series units for mounting when possibleas shown in the figures below.

Duct ConnectionsSlip each inlet duct over the inlet collar of the terminal. Fasten andseal the connection by the method prescribed in the jobspecification. The diameter of the inlet duct in inches must be equal

to the nominal size of the terminal inlet. The inlet collar of theterminal is 1/8" (3) smaller than the nominal duct size to allow it tofit inside the duct. Important: Do not insert ductwork inside theinlet collar of the assembly. For optimum performance, 2 to 3equivalent diameters of straight duct should be installed prior to theinlet of the unit. All ducts should be installed in accordance withSMACNA guidelines. Rectangular discharge opening is designedfor a flanged duct connection. A clear area around the opening hasbeen left for screw penetration. Fasten and seal all connections bymethod prescribed in the job specification.

Minimum AccessMake appropriate accommodations for access panel removal.Nailor 35S and 35P fan powered VAV terminal units have accesspanels on the top, bottom and sides. Nailor 35N units have onlybottom panels. Model 37S has top and bottom panels. Model 38Shas only top panels (or bottom panel if the 38S 1 is oriented forceiling use). For low voltage control enclosure access, a minimumof 18" (457) is recommended. Specific control enclosure location isindicated on product submittals. Low voltage control enclosureshave removable covers that are attached with sheet metal screws.High voltage controls enclosures have access panels that areequipped with hinges. For clearances for full opening of hingedaccess doors, refer to project specifications, submittal sheets andNEC.

Important: These recommendations do not preclude NEC orlocal codes that may be in effect, which are the responsibilityof the installing contractor.

ELECTRICHEATERSECTION

DISCHARGEDUCT

INDUCEDAIR

INDUCTIONPORT

(DO NOTOBSTRUCT)

PRIMARYAIRFLOW

PRIMARYINLET

DISCHARGEDUCT

HOTWATER

COIL

INDUCED

AIR

STEALTHATTENUATOR

PRIMARYINLET

PRIMARYAIRFLOW

Figure 1: Fan Powered Terminal Unit Support Using Hanger Straps (Model 35SE illustrated).

Figure 2: Fan Powered Terminal Unit Support Using Hanger Brackets and Rods (Model 35SWST illustrated).

3/05 IOM-FPTU


Page 2 of 6

Field WiringAll field wiring must comply with NEC and local codes. Disconnectswitches are optional. Also, electrical, control, and piping diagramscan be found on labels affixed to the exterior/interior of the controlenclosure box. Unless specifically requested by customer, all unitsare wired for a single point connection to the fan and electric heater(if present). All electric heaters will be staged per specification.Motors rated for 277 or 120VAC on units with 480 or 208VACratings respectively are always connected between the neutral andL1 terminals. The installing electrician should rotate the incomingelectric service by phase to help balance the building electric load.


ELECTRICAL SUGGESTIONS AND REQUIREMENTS:1. Provide a safety disconnect per NEC 424-19, 20, 212. Disconnect the power supply before wiring or servicing unit. If a disconnect switch is present, it should be in the OFF position while making power connections or repairs.3. All units with electric heat should have copper wires sized for 125% of Nameplate Amperage.4. Follow wiring diagrams and instructions mounted on the unit. 480V/3 phase heaters, for example, require a neutral wire in addition to the full sized ground wire. NEC 424-15 and 250 also require that all units be grounded.

Control Start-up and OperationYour local Nailor Representative can provide detailed informationabout start-up and operating procedures for Nailor’s digital, analog,and pneumatic controls. For specific information on controlsprovided by other manufacturers contact the control manufacturer’slocal or national office. This applies whether the controls werefactory or field installed.Note: Digital controllers may use specific communicationaddresses based on Building Management Systems,Architecture and original engineering drawings. Installing theterminal in a location other than that noted on the label mayresult in excessive start-up labor.

Primary Air Damper and Fan AdjustmentBefore starting the fan motor, make sure duct system is free offoreign objects, and filters are installed where required.(1) Start motor and let it run-in at least 15 minutes. During run-in,check ductwork connections for leaks and repair if necessary.(2) All Nailor fan powered VAV terminal units incorporating PSCmotors use a solid state SCR speed controller to adjust motorspeed and consequently air volume. Speed controllers have built-inmaximum and minimum stops as detailed on the fan performancepages in the Nailor VAV Terminal Unit catalog. Turning the manualfan speed control counterclockwise will increase the fan speed;clockwise will decrease speed. The fan speed control is located onthe side of the motor controls enclosure.(3) For series units, set the unit to full cooling. Adjust and setprimary maximum cfm by measuring the airflow with a manometerattached between the gauge ports in the pneumatic tube leading tothe high and low sides of the inlet air pick-up. A chart is attached tothe side of the unit showing airflow vs. pressure for different inletsizes. Adjust and set remote balancing dampers, if present. Do notworry about airflow at this time; just proportion the outlets with thedampers. Be sure to leave the dampers in the most possible open

position. This will generate the minimum noise level. Adjust the fanspeed control until the required CFM is obtained (by measuring theair quantity at the room outlets or by zeroing the induction air ifprimary and fan match). Fan should be adjusted with primary air atmaximum set point to ensure that no supply air is discharged at theinduction port. Recheck the fan and primary airflows when thedamper is reset to the minimum set point.(4) For parallel units, turn the fan off, and set the primary air in thesame manner as described for series units. Proportion the diffusersas above. Reset the primary airflow to the design fan turn-on point.Measure the airflow again to verify proper airflow. Turn the fan on.Allow the primary air damper to come under control after the fan isstarted, and then adjust the fan until the prescribed airflow isachieved by measuring the air quantity at the room outlets. Be sureto allow the primary air damper to stabilize after each fanadjustment and prior to measuring the airflow. Turn the fan off andverify the minimum airflow point on the damper.(5) For units equipped with ECM motors, set the primary airdampers as described in (3). Set the fan as described on the ECMMOTORS IOM, page 1. Proportion the dampers after the fan is set.Remember to adjust the dampers so that they are in the most opencondition after proportioning. This will generate the minimum noise.

Maintenance ProceduresFan and Motor

Nailor fan powered terminal units are equipped with permanentlylubricated motors. Inspect fan and motor assembly for dust and dirtas often as dictated by operating environment. Clean assembly ifnecessary.

If fan motor does not run, do the following:a. Check for free rotation of blower wheel. Make sure no foreignobjects are in fan. Look for signs of freight or job site damage.b. Check power supply. Disconnects should be in the "ON"position.Optional fusing should also be inspected. Check transformer forproper output.c. Check for proper control signals and PE switch setting (ifprovided) and relay function.

Fan motor runs but emits excessive noise:

a. Maximum airflow may be too high, or discharge static pressure may be incorrect.b. Blower may have clearance problems. Make sure all components are securely attached.c. Verify integrity of ductwork. Leaks or loose connections could cause noise. Check for rattling diffusers or rattling or incorrectly adjusted balancing dampers.

Fan motor runs, but airflow too low:

a. May be due to ductwork restrictions, dirty air filters,or clogged water coils.b. Readjust fan speed control.c. Discharge static pressure may be incorrect. Check balancing dampers.

3/05 IOM-FPTU


Page 3 of 6

If repair or replacement is required:

Disconnect all power before servicing. Motor and fan should beremoved as an assembly. Remove the four hex nuts from themounting lugs holding the fan assembly to the discharge panel, andremove the assembly through any convenient access panel. Do notallow assembly to hang from wiring. If removing motor from blower,first loosen the set screw holding the blower wheel to the motorshaft. Remove the three screws holding the motor to the fanhousing, and slide motor and fan housing apart.

To put the assembly back together, reverse the procedure. Be sureto align the blower set screw with the flat section of motor shaft.

Note: Over-tightening motor mounting screws may crushisolation bushing, causing excessive fan noise.

Primary Air Damper ReplacementNailor’s primary air valve assembly is not repairable. The entireassembly should be replaced if it is damaged.

LabelsEach fan-powered unit is shipped with a nameplate label affixed tothe control casing. Principle nameplate data on the label typicallyinclude Order-Serial number, Model number, Unit size, Motorhorsepower, Amperage, MOP, Heater (if present) data, SupplyVoltage, and Airflows. Also provided are calibration, airflow, as wellas other labels as necessary. We suggest that you read all labelsbefore beginning installation. If you have any questions, pleasecontact your local Nailor Representative. Their phone numbers canbe found on our website at www.nailor.com.

Nameplate Label

FAN POWERED (UNITE TERMINALE @


DATE (DATE) : 15-Apr-2002 SERIAL NO. (NO. DE SÉRIE) : 155258-10MODEL (MODÈLE) : D35SE TAG NO. (NO. DÈTIQUETTE) : 42UNIT SIZE-INLET SIZE : 3-8 VOLTAGE (VOLTAGE) : 480(DIAMETRE D'ENTRÉE) PHASE (PHASE) : 3CONTROL VOLTAGE : 24 STAGES (ÉTAPES) : 2(VOLTAGE DE CONTRÔLE) HZ. (HZ) : 50/60CONTROL SEQUENCE : DF MOTOR HP (MOTEUR HP) : 1/4

(SEQUENCE DE CONTRÔLE) MOTOR VOLTAGE : 227VOLT AMP (VOLT-AMPÈRE) : 50 (VOLTAGE DU MOTEUR)HOT WATER COIL ROWS : N/A MOTOR AMP : 1.8(NOMBRE DE RANGÉES SERPENTIN EAUCAUDE) (AMPERAGE DU MOTEUR)

KW/HP AMPS AMPACITY MAX. OVERCURRENT PROTECTION MOTOR FUSE SIZE(AMPÈRES) (AMPACITÉE) (RESISTANCE DES FUSIBLE MAX.) (MOTEUR FUSIBLE)

TOTAL EACH CIR. EACH STG. TOTAL EACH CIR. EACH STG. TOTAL EACH CIR. EACH STG. TOTAL EACH CIR.(TOTALE) (CHAQUE (CHAQUE (TOTALE) (CHAQUE (CHAQUE (TOTALE) (CHAQUE (CHAQUE (TOTALE) (CHAQUE

CIRCUIT) ÉTAPE) CIRCUIT) ÉTAPE) CIRCUIT) ÉTAPE) CIRCUIT)

HEATER (CHAUFFAGE) 6.0 6.0 3.0 7.2 7.2 3.6 9.0 9.0 4.5 15 15 10MOTOR (MOTEUR) 1/4 1.8 2.3 3.0TOTAL (TOTALE) 9.0 11.3

EACH ELEMENT RATED @ 2.0 KW @ 277 VAC. AWG. MIN WIRE SIZE (MIN DIAMETRE DE FIL) : 14(CHAQUE ELEMENT CLASSIFIER A) MIN. HEATING CFM (MIN. PCM) : 420


L1 IS COLOR CODED BLACK , L2 IS BLUE, L3 IS RED L1 EST COLORÉ NOIRE, L2 EST BLUE , L3 EST ROUGE,CONTROL WIRES CODED AS MARKED LES FILS DE CONTRÔLE SON INDENTIFIÉE COMME MARQUE,


USE CLASS K, RK1, A2D OR A6D FUSE OR HACR BREAKERS. UTILISÉ DES FUSIBLES CLASS K, RK1, A2D, OU A6D OU HACR DISJONCTEURS.

PRIMARY CFM (MAX/MIN) : 890/360 PRIMARY L/S (MAX/MIN) : 420/170FAN CFM : 890<None> FAN L/S : 420

Airflow Direction (affixed to inlet collar)




HIGH (HAUT) LOW (BAS)

3/05 IOM-FPTU


Page 4 of 6

Sample Diamond Flow Sensor Calibration Label

30 300 400 600 800 15001000 4000 6000 800030002000

.40

.02

.03

.04

.05

.06

.07

.08

.09

.20

.50

.60

.70

.80

.901.0

.30

80 15060 705040 200100

.10

.25

.15

500

CFM

DIAMOND FLOW SENSORFIELD CALIBRATION CHARTMODEL SERIES: 3200 (MkII), 35S, 35SST, 35P, 36VRR

DFSCC-26.98

SE

NS

OR

∆P

(IN

CH

ES

W.G

.)

ALLOWABLE LO SETTINGMIN. ∆P = O.O3" W.G.

SIZ

E 4

RO

UN

DS

IZE

5 R

OU

ND

SIZ

E 6

RO

UN

DS

IZE

7 R

OU

ND

SIZ

E 8

RO

UN

DS

IZE

9 R

OU

ND

SIZ

E 1

0 R

OU

ND

SIZ

E 1

2 R

OU

ND

SIZE

14

RO

UN

DS

IZE

16

RO

UN

DS

IZE

18

OVA

L

ECM MOTOR FAN CALIBRATION TABLECFM vs VDC (Imperial Units)

MODEL SERIES: 35S, 35SST UNIT SIZE 3 - 1/2 H.P. 277 VAC. Version F, 10.29.01FAN POWERED TERMINAL UNIT ECMCT-1

CFM PWM 0-10 CFM PWM 0-10 CFM PWM 0-10 CFM PWM 0-10VDC VDC VDC VDC VDC VDC VDC VDC VDC

INPUT INPUT INPUT INPUT0 0 0 480 3.50 2.45 816 7.00 4.90 1114 10.50 7.36

136 0.10 0.06 491 3.60 2.52 824 7.10 4.97 1123 10.60 7.43144 0.20 0.13 501 3.70 2.59 833 7.20 5.04 1131 10.70 7.50152 0.30 0.20 512 3.80 2.66 841 7.30 5.11 1140 10.80 7.57161 0.40 0.27 522 3.90 2.73 850 7.40 5.18 1149 10.90 7.64170 0.50 0.34 533 4.00 2.80 859 7.50 5.25 1158 11.00 7.71179 0.60 0.41 543 4.10 2.87 867 7.60 5.32 1166 11.10 7.78188 0.70 0.48 553 4.20 2.94 876 7.70 5.39 1175 11.20 7.85197 0.80 0.55 563 4.30 3.01 884 7.80 5.46 1184 11.30 7.92207 0.90 0.62 573 4.40 3.08 893 7.90 5.53 1193 11.40 7.99216 1.00 0.69 584 4.50 3.15 901 8.00 5.60 1201 11.50 8.06226 1.10 0.76 594 4.60 3.22 909 8.10 5.67 1210 11.60 8.13236 1.20 0.83 603 4.70 3.29 918 8.20 5.74 1219 11.70 8.20246 1.30 0.90 613 4.80 3.36 926 8.30 5.81 1228 11.80 8.27256 1.40 0.97 623 4.90 3.43 935 8.40 5.89 1236 11.90 8.34267 1.50 1.04 633 5.00 3.50 943 8.50 5.96 1245 12.00 8.41277 1.60 1.11 643 5.10 3.57 952 8.60 6.03 1254 12.10 8.48288 1.70 1.18 652 5.20 3.64 960 8.70 6.10 1262 12.20 8.55298 1.80 1.25 662 5.30 3.71 968 8.80 6.17 1271 12.30 8.62309 1.90 1.32 671 5.40 3.78 977 8.90 6.24 1279 12.40 8.69319 2.00 1.39 681 5.50 3.85 985 9.00 6.31 1288 12.50 8.76330 2.10 1.46 690 5.60 3.92 994 9.10 6.38 1296 12.60 8.83341 2.20 1.53 699 5.70 3.99 1002 9.20 6.45 1305 12.70 8.90352 2.30 1.60 709 5.80 4.06 1011 9.30 6.52 1313 12.80 8.97362 2.40 1.67 718 5.90 4.13 1019 9.40 6.59 1321 12.90 9.04373 2.50 1.75 727 6.00 4.20 1028 9.50 6.66 1329 13.00 9.11384 2.60 1.82 736 6.10 4.27 1036 9.60 6.73 1337 13.10 9.18395 2.70 1.89 745 6.20 4.34 1045 9.70 6.80 1345 13.20 9.25406 2.80 1.96 754 6.30 4.41 1053 9.80 6.87 1353 13.30 9.32416 2.90 2.03 763 6.40 4.48 1062 9.90 6.94 1361 13.40 9.39427 3.00 2.10 772 6.50 4.55 1071 10.00 7.01 1368 13.50 9.46438 3.10 2.17 781 6.60 4.62 1079 10.10 7.08 1376 13.60 9.53448 3.20 2.24 789 6.70 4.69 1088 10.20 7.15459 3.30 2.31 798 6.80 4.76 1097 10.30 7.22470 3.40 2.38 807 6.90 4.83 1105 10.40 7.29

THIS UNIT HAS BEEN FACTORY SET AT ____________ CFM.

RE-CALIBRATION IS NOT REQUIRED UNLESS THE ZONE DESIGN AIRFLOW REQUIREMENT HAS CHANGED.FOR CALIBRATION INSTRUCTIONS, REFER TO BULLETIN WWECM. CAUTION IF CALIBRATING IN SHADEDAREA. AT LOW VOLUMES, VARIATIONS IN FLOW FROM COOLING TO HEATING MAY BE GREATER THAN5%. AT HIGH VOLUMES, NOISE MAY BE EXCESSIVE.

SUBJECT TO CHANGE WITHOUT NOTICE

A. Sample VDC vs. CFM Chart

Application Amperage DataUnit Size 5 (3/4 H.P. 277V)

DISCHARGE STATIC PRESSURE, INCHES WG

2200

2000

1800

1600

1400

1200

1000

800

600

4000.0 0.1 0.2 0.3 0.4 0.5

5

43.53

2.5

2

1.5

1.0

.75

AIR

FLO

W, C

FM

CU

RR

EN

T, A

MP

S

MAXIMUM

MINIMUM

B. Sample Application AMP/CFM Chart

Application charts for ECM motors

3/05 IOM-FPTU


Page 5 of 6

Replacement Parts

Induced Air FiltersModel Unit Size Filter Size Part No.35S Standard 2 10x12 VH1-998& ‘Q’ Option 3 14x16 VH1-196

4, 5 16x16 VH1-1996 17x18 VH1-1529

7 (2) 14x16 VH1-196

35S Top Inlet 2 14x16 VH1-1963 16x16 VH1-199

4, 5 16x25 VH1-9796 18x28 VH1-200

7 (2) 16x25 VH1-979

35SST 2 10x14 VH1-974‘Stealth’ 3 12x18 VH1-977

4 14x16 VH1-1965 14x18 VH1-9756 18x19 VH1-197

7 (2) 14x14 VH1-928

35N Standard 2 13x26 VH1-1282& ‘Q’ Option 3 17x27 VH1-1283

5 17x33 VH1-12846 19x35 VH1-1285

35P Standard 2 12x18 VH1-9773, 4, 5 16x25 VH1-9796, 7 18x28 VH1-200

35P ‘Q’ Option 3, 4, 5 14x20 VH1-1946, 7 18x28 VH1-200

37S Standard 1 8x10 VH1-9972, 3 10x18 VH1-2034 (2) 10x14 VH1-974

37SST 1 9x11 VH1-201‘Stealth’ 2, 3 11x12 VH1-202

4 (2) 10x14 VH1-974

38S Standard 1 7x10 VH1-10773 10x18 VH1-2035 14x16 VH1-196

Disconnect SwitchesToggle, 1P, 25A, 600V VH1-212Toggle, 3P, 30A, 600V VH1-211Toggle, 3P, 60A, 600V VH1-213

Transformers208/240/24V, 50VA VH1-685277/24V, 50VA VH1-674277/24V, 40VA VH1-675480/24V, 50VA VH1-686120/208/240/480V, 75VA VH1-689

Capacitors Part No.

1/10 HP, 4MFD, 370V H1-8751/6 HP, 4MFD, 370V H1-8751/4 HP, 5MFD, 370V H1-8781/3 HP, 10MFD, 370V H1-8761/2 HP, 10MFD, 370V H1-8763/4 HP, 20MFD, 370V H1-877

Diamond Flow SensorInlet Size

4" 3/16" O.D. tube V11045" 3/16" O.D. tube V11056" 3/16" O.D. tube V11067" 3/16" O.D. tube V11078" 3/16" O.D. tube V11089" 3/16" O.D. tube V1109

10" 3/16" O.D. tube V111012" 3/16" O.D. tube V111214" 3/16" O.D. tube V111416" 3/16" O.D. tube V111618" 3/16" O.D. tube V1118

Fan Relays1 Pole, 24V H1-666

Airflow SwitchAFS H1-235AFS Probe, 4" H1-242AFS Probe, 8" H1-245

P.E. SwitchSwitch, P-E H1-539

SCR Fan Speed Controller (PSC Motors)120V, 10A H1-0035120V, 15A H1-985208V, 10A H1-982277V, 5A H1-935277V, 10A H1-0035A

Page 6 of 6


Ft. Lauderdale, FloridaTel: 954-351-2444Fax: 954-351-2440





3/05 IOM-FPTU

Replacement Parts

PSC Induction Unit Part No. Part No. Part No. Part No.Motors Size HP 120V 208V/240V 277V Blower Assembly35S, 35SST 2 1/10 VH1-880 VH1-894 VH1-887 VH1-902

3 1/4 VH1-882 VH1-896 VH1-889 VH1-9004 1/3 VH1-883 VH1-897 VH1-890 VH1-9015 1/2 VH1-884 VH1-898 VH1-891 VH1-9036 3/4 VH1-885 VH1-899 VH1-892 VH1-9047 1/2 VH1-884 (2) VH1-898 (2) VH1-891 (2) VH1-903 (2)

35P, 35N 2 (35P) 1/6 VH1-881 VH1-895 VH1-895 VH1-9022 (35N) 1/10 VH1-880 VH1-894 VH1-887 VH1-902

3 1/4 VH1-882 VH1-896 VH1-889 VH1-9004 1/3 VH1-883 VH1-897 VH1-890 VH1-9015 1/2 VH1-884 VH1-898 VH1-891 VH1-9036 3/4 VH1-885 VH1-899 VH1-892 VH1-9047 3/4 VH1-885 VH1-899 VH1-892 VH1-904

37S, 37SST 2 1/6 VH1-881 VH1-895 VH1-888 VH1-9063 1/4 VH1-882 VH1-896 VH1-889 VH1-9064 1/4 VH1-882 (2) VH1-896 (2) VH1-889 (2) VH1-906 (2)

38S 1 1/10 VH1-880 VH1-894 VH1-887 VH1-907, VH1-907A3 1/4 VH1-882 VH1-896 VH1-888 VH1-906

ECM Motors Unit Size HP 120V 240V 277V

35S, 35SST 3 1/2 VH1-0046A VH1-0046A VH1-0046 VH1-9005 3/4 VH1-0045A VH1-0045A VH1-0045 VH1-9037 3/4 VH1-0045A (2) VH1-0045A (2) VH1-0045 (2) VH1-903 (2)

37S, 37SST 1 1/3 VH1-0046B VH1-0046B VH1-0045B VH1-9053 1/3 VH1-0046B VH1-0046B VH1-0045B VH1-9064 1/3 VH1-0045A (2) VH1-0045A (2) VH1-0045B (2) VH1-906 (2)

38S 1 1/3 VH1-0046B VH1-0046B VH1-0045B VH1-907, VH1-907A3 1/3 VH1-0046B VH1-0046B VH1-0045B VH1-906

Fan Motor Fuses Primary Damper Valve250V, 15A VH1-320 Model Series 35S, 35SST and 35P250V, 20A VH1-321 Inlet size600V, 15A VH1-329 6" VH1-1106600V, 3A VH1-0011 8" VH1-1107600V, 5A VH1-965 10" VH1-1108600V, 8A VH1-967 12" VH1-1109

14" VH1-1110Pneumatic FR Tubing (1/4" O.D.) 16" VH1-1111Black VB3-066 18" VH1-1112Blue stripe VB3-068 Model Series 35NRed stripe VB3-067 Inlet size

6" VH1-1113Tee For Sensor Tap 8" VH1-1114Barbed, 1/8" VB3-058 10" VH1-1115

12" VH1-1116Cap For Sensor Tap 14" VH1-1117Rubber, for 1/8" Tee VB3-059 16" VH1-1118

Model Series 37SInlet Size4", 5", 6" VH1-1119

8" VH1-112010" VH1-1121

14" x 10" VH1-1122

INSTALLATION & OPERATIONMANUAL

FAN POWERED CHILLED WATER (DOAS)TERMINAL UNIT

MODEL: 33SZ

Nailor Industries, Inc. reserves the right to change any information concerning product or specification without notice or obligation.

9/18 IOM-DOAS Page 1 of 8


Page 2 of 8 9/18 IOM-DOAS

CONTENTS

General ...........................................................................................................................................3

Receiving Inspection Checklist ....................................................................................................3

Safety Precautions .......................................................................................................................3

Installation ......................................................................................................................................3

Supporting the Assembly ............................................................................................................3

Duct Connections ........................................................................................................................3

Minimum Access .........................................................................................................................3

Field Wiring ..................................................................................................................................3

Electrical Suggestions and Requirements ...........................................................................3

Water Pipe Connections ..............................................................................................................4

Control Start-up and Operation ...................................................................................................4

Primary Air Damper and Fan Adjustment ....................................................................................4

Starting the fan motor: ........................................................................................................4

Maintenance Procedures ..............................................................................................................4

Fan and Motor .............................................................................................................................4

If fan motor does not run, do the following: ........................................................................4

Fan motor runs but emits excessive noise ..........................................................................4

Fan motor runs, but airflow too low: ...................................................................................4

If repair or replacement is required ..............................................................................................4

Primary Air Damper Replacement ...............................................................................................4

Labels ..........................................................................................................................................5

Replacement Parts ........................................................................................................................6

Appendix A – MCA and MOP Calculations .................................................................................7

Orientations ..................................................................................................................................7


GeneralReceiving Inspection Checklist Visually inspect unit for shipping damage before unwrapping

any packaging material. Report any damage immediately to the delivering carrier.

After unpacking the unit, check it again for shipping damage. If any shipping damage is found, report it immediately to the delivering carrier.

Notify your local Nailor representative of damage and arrange for repair or replacement.

Check that the unit is labeled as intended and deliver to appropriate site location.

Store units in a clean, dry location.

Caution: Do not use the inlet collar, damper shaft, airflow sensor, electrical conduit, water coil extremities, drip pan, or tubing as a handle to lift or move assembly. Damage to the unit, unit accessories or controls may result.

Safety Precautionsa. All person(s) involved in installation process shall be qualified

according to all relevant local codes and standards.b. Beware of other building utilities and electrical wiring during

installation process.c. The unit installed shall be used only as intended. Any unintended

use shall therein result in immediate forfeiture of manufacturer assumed warranty, responsibility and liability of product and associated components. Contact your local Nailor representative for questions.

d. Warning: Make sure all electrical power to the unit has been disconnected and any capacitors fully discharged before servicing. Failure to do so could result in injury or death.

e. During brazing process, make sure to protect any surrounding flammable materials, using barriers where applicable and always have a fire extinguisher accessible.

Caution: Any improper product handling, installation, servicing, or operation resulting in personal injury and property damage shall void any manufacturer assumed legal responsibility.

InstallationSupporting the AssemblySuspend the unit from the building structure in the horizontal plane and ensure the unit is level to guarantee proper performance. Be careful not to obstruct all the access panels with support channels or straps. When requested, unit is supplied with field mounted hanger brackets for use with hanger rod up to 3/8" (9.5) dia. Hanger brackets or straps should be screwed to the top corner posts, unit casing sides or alternatively onto the inlet and outlet ends of the unit if the top corner posts are not accessible. Note that low profile unit do not contain corner posts.

Caution: Nailor 33SZ units are too heavy to suspend with the ductwork and must be independently supported.

Nailor recommends attaching straps or screws into the 16 gauge frame (corner posts) of the size 40 and 50 units when possible and into the inlet, outlet or side panels of the size 30 unit.

Duct ConnectionsAll ducts should be installed in accordance with SMACNA guidelines. Slip each inlet duct over the inlet collar of the terminal. Fasten and seal the connection by the method prescribed in the job specification. The diameter of the inlet duct in inches must be equal to the nominal size of the terminal inlet. The inlet collar of the terminal is 1/8" (3) smaller than the nominal duct size to allow it to fit inside the duct. Important: Do not insert ductwork inside the inlet collar of the assembly. For optimum performance, 2 to 3 equivalent diameters of straight duct should be installed prior to the inlet of the unit. Rectangular discharge opening is designed for a flanged duct connection. A clear area around the opening has been left for screw penetration. Fasten and seal all connections by method prescribed in the job specification.

Minimum AccessMake appropriate accommodations for access panel removal. If unit is to be installed in hard ceiling/wall application, refer to Nailor 33SZ submittals for specific dimensions before installing to assure there is access to the unit and components after installation is complete. Nailor 33SZ units have access panels on the top and bottom. For low voltage control enclosure access, a minimum of 18" (457) is recommended. Specific control enclosure location is indicated on product submittals. Low voltage control enclosures have removable covers that are attached with sheet metal screws. High voltage controls enclosures have access panels that are equipped with hinges. For clearances for full opening of hinged access doors, refer to project specifications, submittal sheets and NEC.

Caution: These recommendations do not preclude NEC or local codes that may be in effect, which are the responsibility of the installing contractor.

Installation and Operation Manual (IOM)Fan Powered Chilled Water (DOAS) Terminal UnitModel: 33SZ


Figure 1: Fan Powered Chilled Water Terminal Unit Support Using Hanger Staps (Model 33SZ unit size 30 illustrated).

Figure 1: Fan Powered Chilled Water Terminal Unit Support Using Hanger Staps Brackets and Rods (Model 33SZ unit size 40/50 illustrated).

PRIMARYAIR VALVE CONTROLS ENCLOSURE

HINGED LINEVOLTAGE

FANCONTROLSENCLOSURE

PRIMARY/DEDICATED DISCHARGEDUCT

DISCHARGEDUCT

OUTDOOR AIR

PRIMARY/DEDICATED

OUTDOOR AIR

FANCONTROLSENCLOSURE

PRIMARYCONTROLS

ENCLOSURE


Field WiringAll field wiring must comply with NEC and local codes. Disconnect switches are optional. Wiring diagrams can be found on labels affixed to the exterior/interior of the control box enclosure. Unless specifically requested by customer, all units are wired for a single point connection to the fan and electric heater (if present). All electric heaters will be staged per specification. Motors rated for 277 or 120 VAC on units with 480 or 208 VAC ratings respectively are always connected between the neutral and L1 terminals. The installing electrician should rotate the incoming electric service by phase to help balance the building electric load.

Fuse size designates the size of the internal fuse if it is supplied. Maximum Overcurrent Protection (MOP) designates the largest breaker or fuse in the electrical service panel that can be used to protect the unit. See appendix A for calculation details.

Electrical Suggestions and Requirements1. Provide a safety disconnect per NEC 424-19, 20, 21.2. Disconnect the power supply before wiring or servicing unit. If

a disconnect switch is present, it should be in the OFF position while making power connections or repairs.

3. All units with electric heat should have copper wires sized for minimum circuit ampacity (MCA). See appendix A for calculation details.

4. Follow wiring diagrams and instructions mounted on the unit. 480V/3 phase heaters, for example, require a neutral wire in addition to the full sized ground wire. NEC 424-15 and 250 also require that all units be grounded.

Water Pipe ConnectionsExercise extreme caution during "sweating" or brazing process of coil piping to avoid applying excessive heat to components associated with valve package. This could cause irreversible damage, requiring immediate replacement of parts. Make sure valves are in full open position during brazing process. Heat can be dissipated more effectively by wrapping a wet towel around the valve body during the brazing process.

Make sure final piping configuration does not interfere with sensible cooling coil and integral drip pan. Remove any residual air pockets from inside the coil through available air vents. Once the coil has been pressure tested, insulate piping and components as required to prevent potential condensation issues.

Control Start-up and OperationYour local Nailor Representative can provide detailed information about start-up and operating procedures for Nailor’s digital, analog, and pneumatic controls. For specific information on controls provided by other manufacturers contact the control manufacturer’s local or national office. This applies whether the controls were factory or field installed.

Note: Digital controllers may use specific communication addresses based on Building Management Systems, Architecture and original engineering drawings. Installing the terminal in a location other than that noted on the label

may result in excessive start-up labor.

Primary Air Damper and Fan AdjustmentBefore starting the fan motor:a. If filters are required, make sure they are installed as intended.b. Make sure duct system is clear of all debris and foreign objects. c. Ensure unit enclosure, blower housing and blower wheel are free

of any debris and foreign objects. Starting the fan motor:1. Start motor and let it run-in at least 15 minutes. During run-in,

check ductwork connections for leaks and repair if necessary.

2. All 33SZ units are equipped with ECM motors. Set the primary air dampers as described in (3). Set the fan as described on page one of the IOM for EPIC Fan Volume Controller with (Genteq EON) ECM Motor, found in the IOM section at www.nailor.com. Proportion the dampers after the fan is set. Remember to adjust the dampers so that they are in the most open condition after proportioning. This will generate the minimum noise.

3. Set the unit to full cooling. Adjust and set primary maximum cfm by measuring the airflow with a manometer attached between the gauge ports in the pneumatic tube leading to the high and low sides of the inlet air pick-up. A chart is attached to the side of the unit showing airflow vs. pressure for different inlet sizes. Adjust and set remote balancing dampers, if present. Do not worry about airflow at this time; just proportion the outlets with the dampers. Be sure to leave the dampers in the most possible open position. This will generate the minimum noise level. Adjust the fan speed control until the required CFM is obtained (by measuring the air quantity at the room outlets). Fan should be adjusted with primary air at maximum set point to ensure that no supply air is discharged at the induction port. Recheck the fan and primary airflows when the damper is reset to the minimum set point.

Maintenance Procedures

Warning: Electrical Hazard! Before Servicing, disconnect all sources of electrical

power, including the complete discharge of any electric current stored in capacitors included in the

wiring structure. Practice good lockout/tagout procedures to prevent energizing of the unit during servicing. Failure to comply with previous statements could yield personal injury or even result in death.

Fan and MotorNailor 33SZ units are equipped with permanently lubricated motors. Inspect fan and motor assembly for dust and dirt as often as dictated by operating environment. Clean assembly if necessary.

If fan motor does not run, do the following:a. Check for free rotation of blower wheel. Make sure no foreign

objects are in fan. Look for signs of freight or job site damage.b. Check power supply. Disconnects should be in the "ON" position. Optional fusing should also be inspected. Check transformer for

proper output.c. Check for proper control signals.

Fan motor runs but emits excessive noisea. Maximum airflow may be too high, or discharge static pressure

may be incorrect.b. Blower may have clearance problems. Make sure all components

are securely attached.c. Verify integrity of ductwork. Leaks or loose connections could

cause noise. Check for rattling diffusers or rattling or incorrectly adjusted balancing dampers.

Fan motor runs, but airflow too low:a. May be due to ductwork restrictions, dirty air filters or clogged.b. Readjust fan speed control on control card.c. Discharge static pressure may be incorrect. Check balancing dampers.d. Confirm signal from the motor card to the motor by measuring the

plug at the motor.

If repair or replacement is requiredDisconnect all power before servicing. Motor and fan should be removed as an assembly. Remove the four hex nuts from


NOTE


FAN COIL (UNITE TERMINALE @


: :: :: : 480

(DIAMETRE D'ENTRÉE) : 3: : 1

(VOLTAGE DE CONTRÔLE) : 50/60: : 560

(SEQUENCE DE CONTRÔLE) : 277:

HOT WATER COIL ROWS : : 4.2

CHILLED WATER COIL ROW :

AMPS AMPACITY (AMPÈRES) (AMPACITÉE)

TOTAL EACH STG. TOTAL EACH CIR. EACH STG. TOTAL EACH CIR. EACH STG. EACH CIR.(TOTALE) (CHAQUE (TOTALE) (CHAQUE (CHAQUE (TOTALE) (CHAQUE (CHAQUE (CHAQUE

ÉTAPE) CIRCUIT) ÉTAPE) CIRCUIT) ÉTAPE) CIRCUIT)

HEATER (CHAUFFAGE) 3.0 3.0 3.6 3.6 3.6 4.5 4.5 4.5MOTOR (MOTEUR) 560 4.2 5.2TOTAL (TOTALE) 7.8 9.8

EACH ELEMENT RATED @ 1.0 KW @ 277 VAC. 14(CHAQUE ELEMENT CLASSIFIER A) 210

USE WIRE SUITABLE FOR AT LEAST 75 oC UTILISER UN FIL METALIQUE QUI CONVIENT AU MOIN 75 o CL1 IS COLOR CODED BLACK , L2 IS BLUE, L3 IS RED L1 EST COLORÉ NOIRE, L2 EST BLUE , L3 EST ROUGE,CONTROL WIRES CODED AS MARKED LES FILS DE CONTRÔLE SON INDENTIFIÉE COMME MARQUE,USE COPPER CONDUCTORS ONLY. UTILISÉ DES CONDUCTEURS DE CUIVRE SEULEMENT.

USE CLASS K, RK1, A2D OR A6D FUSE OR HACR BREAKERS. UTILISÉ DES FUSIBLES CLASS K, RK1, A2D, OU A6D OU HACR DISJONCTEURS,

MAX FAN CLG / MIN DEADBAND (CFM) : MAX FAN CLG / MIN DEADBAND (L/S) :

MAX FAN HTG (L/S) :

INTERNAL FUSE SIZE (IF SUPPLIED)

1515.0

MIN. HEATING CFM (MIN. PCM) :AWG. MIN WIRE SIZE (MIN DIAMETRE DE FIL ) :

15 15

(NOMBRE DE RANGÉES SERPENTIN EAUCAUDE)

SERIAL NO. (NO. DE SÉRIE)TAG NO. (NO. DÈTIQUETTE)VOLTAGE (VOLTAGE)PHASE (PHASE)STAGES (ÉTAPES) HZ. (HZ)

MAX FAN HTG (CFM) :

3.0

DATE (DATE) MODEL (MODÈLE) UNIT SIZE - INLET SIZE

CONTROL VOLTAGE

CONTROL SEQUENCE

VOLT AMP (VOLT-AMPÈRE)

KW/WATTS

NB WATTSMOTOR VOLTAGE

MAX FAN CLG / MIN Bande Morte (L/S) :

(NOMBRE DE RANGÉES SERPENTIN EAU RÉFRIGERÉÉ)

MAX FAN CLG / MIN Bande Morte (CFM)

481059-2.01

TOTAL

MAX. OVERCURRENT PROTECTION(RESISTANCE DES FUSIBLE MAX.)

(VOLTAGE DU MOTEUR)

MOTOR AMP (AMPERAGE DU MOTEUR)

EACH CIR. (CHAQUE CIRCUIT)

2

(TOTALE)

5-Jun-2015D33SZE40-06

24


Label Example

mounting lugs holding the fan assembly to the discharge panel, and remove the assembly through any convenient access panel. Do not allow assembly to hang from wiring. If removing motor from blower, first loosen the set screw holding the blower wheel to the motor shaft. Remove the three screws holding the motor to the fan housing, and slide motor and fan housing apart.

To put the assembly back together, reverse the procedure. Be sure to align the blower set screw with the flat section of motor shaft.

Note: Over-tightening motor mounting screws may crush isolation bushing, causing excessive fan noise.

Primary Air Damper ReplacementNailor’s primary air valve assembly is not repairable. The entire assembly should be replaced if it is damaged.

LabelsEach 33SZ unit is shipped with a nameplate label affixed to the control casing. Principle nameplate data on the label typically include Order-Serial number, Model number, Unit size, Motor horsepower, Amperage, MOP, Heater (if present) data, Supply voltage and Airflows. Also provided are calibration, airflow, as well as other labels as necessary. We suggest that you read all labels before beginning installation. If you have any questions, please contact your local Nailor Representative. Their phone numbers can be found on our website at www.nailor.com.



Model Series 33SZ Replacement Parts

Unit Size Fan Size Fan Part No. HP EON Motor Part No.

30 11 x 4R H1-2427 1/2 H1-2269U

40 9 x 7R H1-0900 1/2 H1-2269

50 10 x 10T H1-0903 3/4 H1-2270

Unit Size Inlet SizePrimary Damper Valve

Part No.Diamond Flow

SensorDiamond Flow Sensor

Part No.10, 30, 40, 50 4" VH1-1119 3/16" O.D. tube V1104

10, 30, 40, 50 5" VH1-1119 3/16" O.D. tube V1105

10, 30, 40, 50 6" VH1-1119 3/16" O.D. tube V1106

30, 40, 50 8" VH1-1107 3/16" O.D. tube V1108

40, 50 10" 3/16" O.D. tube V1110

40, 50 12" 3/16" O.D. tube V1112

Unit Size Filter Type Filter Part No.1" Throwaway H1-2506

30 2" Merv 8 H1-2507

2" Merv 13 H1-2508

1" Throwaway H1-2509

40 2" Merv 8 H1-2510

2" Merv 13 H1-2511

1" Throwaway H1-2512

50 2" Merv 8 H1-2513

2" Merv 13 H1-2514

Airflow Switch Part No.AFS H1-235

AFS Probe, 4" H1-242

AFS Probe, 8" H1-245

EON Control Cards Part No.

EPIC™ Single Motor Card H1-2272

EPIC™ Single Motor Card w/Fan Status & Electric Heat Relays

H1-2272A

Pneumatic FR Tubing (1/4" O.D.) Part No.

Black VB3-066

Blue stripe VB3-068

Red stripe VB3-067

Tee For Sensor Tap Part No.

Barbed, 1/8" VB3-058

Cap For Sensor Tap Part No.

Rubber, for 1/8" Tee VB3-059

Fan Motor Fuses Part No.250V, 15A VH1-320

250V, 20A VH1-321

600V, 15A VH1-329

600V, 3A VH1-0011

600V, 5A VH1-965

600V, 8A VH1-967


Minimum Circuit Ampacity

MCA = 1.25 x (Load 1 + Load 2 + Load 3 + Load 4)

Maximum Overcurrent Protection

MOP = (2.25 x load 1) + load 2 + load 3 + load 4

If the calculated MOP does not equal the standard current rating of an overcurrent protective device (typically even multiples of 5), then the marked MOP is the next lower standard rating.

Exceptions:1. The marked MOP will be the next higher standard rating than the computed value, if the next lower standard rating is less than

125 percent of the current rating of an electric heater load when such heater is involved.2. If the computed value for MOP is less than the MCA, then the marked MOP is increased to the largest MOP appropriate for the

MCA.3. If the MCA does not correspond to a standard protective device rating, the next higher standard rating of the protective device

will be marked if this rating does not exceed 800 A.

For Nailor Fan Powered Terminal Units and Fan Powered Chilled Water Terminal Units, Load 1 is the largest motor current, Load 2 is the sum of all other motor currents, and Load 3 is the heater current. Load 4 is used for other loads greater than 1.0 ampere and can be considered zero for most standard products.

For Nailor Variable Air Volume Units, Load 1 and Load 2 are considered zero.

Load 3 is the heater current Load 4 is used for other loads greater than 1.0 ampere and can be considered zero for most standard products.

(Motor currents are determined by product application test in accordance with UL 1995 and may not be the same as the motor manufacture’s FLA marking.)

All formulae, definitions, and exceptions are cited from Underwriters Laboratories Inc. Standard for Safety for Heating and Cooling Equipment, UL

1995 Fourth Edition (Sec. 37.14, 37.15) CAN/CSA-C22.2 No. 236 Fourth Edition

Appendix A – MCA and MOP Calculations

OL

CLH

HLH OL

CLH

HRH OL

CRH

HLH OL

CRH

HRH

CRH

OR HRH

CLH

OR HRH

CRH

OR HLH

CLH

OR HLH

AIRFLOW LEFT HAND CONTROLS

AIRFLOW RIGHT HAND CONTROLS


Model 33SZ • Orientations

www.nailor.com"Complete Air Control and Distribution Solutions."





Fully Insulated Electric Heating Rack

Integral Drip Pan

Optional Supplement Heat Electric Resistive Coil

Filter Rack Accommodates up to 2" (51) Merv 13 Filter

Model 33SZE • Size 40-50

Opposed Blade Primary Air Valve

Hinged Fan Control Enclosure

Optional Door Interlocking DisconnectPrimary Air Valve

Control Enclosure

Optional Supplementary Heat/Hot Water Coil

Motor/Blower

Sensible Cooling Coil

Optional Filter

Multi-Point Flow Sensor

Primary/Dedicated Outdoor Air

Model 33SZW • Size 40-50



INSTALLATION AND OPERATION MANUALELECTRIC HEATERS FOR VAV TERMINAL UNITS

Page 1 of 46/20 IOM-EHVAV (Supercedes 4/02)

GENERAL INFORMATION• Nailor electric heaters require little or no maintenance.

Be sure the heater elements are free of foreign matter,and then check that the connections are tight and propercontrol interlocks have been made before turning theheater on.

• Heaters are open wire type and, except on very smallheaters with element wires less than 1 kW, use special‘arrowhead’ insulators that expose the entire surface areaof the element wires to the air stream. This eliminates thepossibility of hot spots on the larger wires that can burnthe elements in half or cause spalding that enhances hotspots.

• All electric heaters ordered from Nailor are manufacturedin-house.

• All Nailor electric coils are ETL listed for safety under UL1995 as part of the VAV unit.

• All electric heating units have built-in controls for alloptions required by the engineer.

• Single point power connection.

INSTALLATION• All single duct terminal units with electric coils are

designed to be mounted in a horizontal plane with respectto the "UP" arrow marked on the product label. Fanpowered units can be flipped over in the field and will nothave "UP" arrow.

• Before applying power, make sure electric coils are notdamaged.

• All field wiring must comply with NEC and local buildingcodes.

• Use copper conductors only.• Phase rotation of the incoming power is recommended

when connecting three-phase electric coils.• Allow a minimum clearance as specified by NEC in front of

all electric coil enclosures.• Always check product label to determine proper wire size

and current protection.• These recommendations do not preclude NEC or local

building codes that may be in effect.

OPERATION• To avoid possible nuisance tripping of the thermal cutouts

due to insufficient airflow, a minimum airflow of 70 cfm(33L/s) per kilowatt must be maintained.

• For Single Duct Terminal Units, A minimum of .1” w.g. (25Pa) of downstream static pressure is required to ensureproper operation of the heater.

Figure 1. Fan Powered Terminal Unit with Electric Heater

Figure 2. Single Duct Terminal Unit with Electric Heater

CAUTION: ELECTRIC SHOCK HAZARD1. Turn off power before servicing unit.2. Do not operate unit without control cover.


6/20 IOM-EHVAV (Supercedes 4/02)Page 2 of 4

FAN POWERED (UNITE TERMINALE @ TERMINAL UNIT VENTILATEUR INTEGRÉ) DATE (DATE) : 27-Nov-2001 SERIAL NO. (NO. DE SÉRIE) : 150111-2 MODEL (MODÈLE) : D35SE TAG NO. (NO. DÈTIQUETTE) : FPB-1-35 UNIT SIZE-INLET SIZE : 4-10 VOLTAGE (VOLTAGE) : 480 (DIAMETRE D’ENTRÉE) PHASE (PHASE) : 3 CONTROL VOLTAGE : 24 STAGES (ÉTAPES) : 2 (VOLTAGE DE CONTRÔLE) HZ. (HZ) : 50/60 CONTROL SEQUENCE : NB MOTOR HP (MOTEUR HP) : 1/3 (SEQUENCE DE CONTRÔLE) MOTOR VOLTAGE : 277 VOLT AMP (VOLT-AMPÈRE) : 50 (VOLTAGE DU MOTEUR) HOT WATER COIL ROWS : N/A MOTOR AMP : 2.0 (NOMBRE DE RANGÉES SERPENTIN EAUCAUDE) (AMPERAGE DU MOTEUR) KW/HP AMPS AMPACITY MAX. OVERCURRENT PROTECTION MOTOR FUSE SIZE (AMPÈRES) (AMPACITÉE) (RESISTANCE DES FUSIBLE MAX.) (MOTEUR FUSIBLE)

TOTAL EACH CIR. EACH STG. TOTAL EACH CIR. EACH STG. TOTAL EACH CIR. EACH STG. TOTAL EACH CIR. (TOTALE) (CHAQUE (CHAQUE (TOTALE) (CHAQUE (CHAQUE (TOTALE) (CHAQUE (CHAQUE (TOTALE) (CHAQUE CIRCUIT) ÉTAPE) CIRCUIT) ÉTAPE) CIRCUIT) ÉTAPE) CIRCUIT)

HEATER (CHAUFFAGE) 10.0 10.0 5.0 12.0 12.0 6.0 15.0 15.0 7.5 20 20 N/A MOTOR (MOTEUR) 1/3 2.0 2.5 3 30

TOTAL (TOTALE) 14.0 17.5 23

EACH ELEMENT RATED @ 3.3 KW @ 277 VAC. AWG. MIN WIRE SIZE (MIN DIAMETRE DE FIL) : 14 (CHAQUE ELEMENT CLASSIFIER A) MIN. HEATING CFM (MIN. PCM) : 700


L1 IS COLOR CODED BLACK , L2 IS BLUE, L3 IS RED L1 EST COLORÉ NOIRE, L2 EST BLUE , L3 EST ROUGE,

CONTROL WIRES CODED AS MARKED LES FILS DE CONTRÔLE SON INDENTIFIÉE COMME MARQUE,


USE CLASS K, RK1, A2D OR A6D FUSE OR HACR BREAKERS. UTILISÉ DES FUSIBLES CLASS K, RK1, A2D, OU A6D OU HACR DISJONCTEURS. PRIMARY CFM (MAX/MIN) : 1000/1000 PRIMARY L/S (MAX/MIN) : 472/472 FAN CFM : FAN L/S :

NAMEPLATE LABELElectric coil data are incorporated in the nameplate label, which is affixed to the control enclosure cover. The label shows all necessary information required by UL with respect to electrical power and circuit protection requirements.

HEATER CONTROL ENCLOSUREFigure 4 shows the interior of a typical heater control enclosure. All components within this space work together to provide safe operation of the heater. Although it is not required to meet NEC requirements, Nailor recommends a door interlocking disconnect switch. This safety switch must be disconnected before the enclosure can be opened. In the absence of a disconnect switch, a terminal block is provided for single point power connection. A ground lug ensures the proper grounding of the unit housing and enclosure. Line fuses and fan motor fuses provide overcurrent protection, and come as an option. An airflow switch de-energizes the heater when it detects no airflow across the elements.

In fan powered VAV terminal units, auto-reset limit switches in line with each element provide high temperature protection. A single auto-reset limit switch provides protection for single duct terminal unit heaters. These switches automatically cut the heater off when overheating occurs, and turn the heater back on when the elements have cooled down. Manual-reset limit switches in line with each element provide secondary over temperature protection in single duct terminal units. A control transformer is provided whenever a 24V circuit is required. PE switches (when pneumatic controls are used), like magnetic contactors, are used to energize stages of electric heat. Small heaters may often use a load carrying PE switch as the only control component. When control systems require frequent cycling or silent operation, mercury contactors are available as an option. An SCR control will provide fine space temperature control and highest reliability. For fan-powered terminal units, a fan relay is provided when required or requested.

Figure 3. Sample Nameplate Label. Fan Powered Terminal Unit


Page 3 of 46/20 IOM-EHVAV (Supercedes 4/02)

Wiring DiagramsA specific wiring diagram for each heater including all controls is glued to the inside of the control panel door. Another wiring diagram is provided loose in the control box.

Heater Element Rack Replacement For Series Fan Powered Terminal Units

On series fan Powered Terminal Units, the element rack is removable for replacement. The header plate is located behind a hinged door enclosure on the side of the terminal electric heater section.1. Turn off power supply before servicing.2. Locate the element rack header plate.3. Before removing wires from the element rack header plate, mark where the wires are connected so they can be

reconnected correctly on the new element rack.4. Remove the wires and screws holding the heater plate in the coil housing.5. Insert the new element rack into coil housing and replace the screws to secure the element rack.6. Replace the wires.7. Replace the enclosure cover before turning on the power.

Figure 4: Typical Line Voltage Control Enclosure Box

Heater RackHeader Plate

Heating ElementsElement

Terminations

Arrowhead Insulators

Auto-reset high limit cut-outs

Figure 5. Typical element rack for a series Fan Powered Terminal Unit





" C o m p l e t e A i r C o n t r o l a n d D i s t r i b u t i o n S o l u t i o n s . " w w w . n a i l o r . c o m6/20 IOM-EHVAV (Supercedes 4/02)Page 4 of 4

Electric Heater Replacement Parts

Description RAPP Code

Disconnect SwitchesToggle Disconnect Switch 1P, 600V, 25A EC-DISTG251PToggle Disconnect Switch 3P, 600V, 40A EC-DISTG403PToggle Disconnect Switch 3P, 600V, 60A EC-DISTG603PInterlocking Disconnect Switch 3P, 600V, 25A EC-DISINT25AInterlocking Disconnect Switch 3P, 600V, 40A EC-DISINT40AInterlocking Disconnect Switch 3P, 600V, 60A EC-DISINT60AInterlocking Disconnect Handle EC-DISINTHDLInterlocking Disconnect Shaft EC-DISINTSFT

ContactorsContactor MAG 1P, 600V, 50Amp EC-CONM50A1PContactor MAG 1P, 600V, 40Amp EC-CONM40A1PContactor MAG 1P, 600V, 30Amp EC-CONM30A1PContactor MAG 2P, 600V, 50Amp EC-CONM50A2PContactor MAG 2P, 600V, 40Amp EC-CONM40A2PContactor MAG 2P, 600V, 30Amp EC-CONM30A2PContactor MAG 3P, 600V, 50Amp EC-CONM50A3PContactor MAG 3P, 600V, 40Amp EC-CONM40A3PContactor MAG 3P, 600V, 30Amp EC-CONM30A3P

SCR/SSRSCR Elect. Heat controller, 600V, 1ph, 45A EC-SCRSSR Elect. Heat controller, 600V, 1ph, 45A EC-SSR

TransformersTransformer 120V, 24V, 50VA EC-TRANS120ATransformer 208-240V, 24V, 50VA EC-TRANS208ATransformer 277V, 24V, 50VA EC-TRANS277ATransformer 480V, 24V, 50VA EC-TRANS480AIsolation Transformer 24V, 24V, 40VA EC-TRANS2424Transformer 120V/208/240/480 to 24V, 75VA EC-TRANSBTransformer 277V, 24V, 75VA EC-TRANS277B

MISCAirflow Switch EC-AFSWAirflow Switch Probe 4" EC-AFSWPBAirflow Switch Probe 6" EC-AFSWPBLAuto Temp. LMT Swtch EC-AUTOLMTSWManual Temp. LMT Swtch EC-MANLMTSWFan Relay 24V EC-FANRELAY

Description RAPP Code

Power Distribution Blocks2 pole, 175A, 600V, 1 in / 4 out H1-0271A2 pole, 300V, 1 in / 4 out (quick connect) H1-02933 pole, 600V, 1 in / 4 out H1-0270

Power Terminal Blocks1 pole, 600V H1-00442 pole, 600V H1-00763 pole, 600V H1-0004

FuseFuse, 250V, 15A EC-FUS250V15Fuse, 250V, 20A EC-FUS250V20Fuse, 250V, 25A EC-FUS250V25Fuse, 250V, 30A EC-FUS250V30Fuse, 250V, 35A EC-FUS250V35Fuse, 250V, 40A EC-FUS250V40Fuse, 250V, 45A EC-FUS250V45Fuse, 250V, 50A EC-FUS250V50Fuse, 250V, 60A EC-FUS250V60Fuse, 600V, 15A EC-FUS600V15Fuse, 600V, 20A EC-FUS600V20Fuse, 600V, 25A EC-FUS600V25Fuse, 600V, 30A EC-FUS600V30Fuse, 600V, 35A EC-FUS600V35Fuse, 600V, 40A EC-FUS600V40Fuse, 600V, 45A EC-FUS600V45Fuse, 600V, 50A EC-FUS600V50Fuse, 600V, 60A EC-FUS600V60

3/20 IOM-VAVK (Supercedes 8/12)

INSTALLATION AND OPERATION MANUALDIAMOND FLOW SENSOR K-FACTORSFOR VAV TERMINAL UNITS


Page 1 of 2

Model Series: 3000 Single Duct3210 Dual Duct35S-OAI Series Fan Powered w/ O.A. Damper38S Underfloor Fan Powered

Model Series:3100 Single Duct3230 Dual Duct3240 "Blendmaster" Dual Duct33SZ Chilled Water Fan Powered35N Parallel Fan Powered35S Series Fan Powered35S-CVP Pressurization Series Fan Powered35SST "StealthTM" Series Fan Powered36VRR Round Retrofit

Model Series: 37N Low Profile Parallel Fan Powered37S Low Profile Fan Powered37SST Low Profile "StealthTM" Fan Powered

Model Series: 36VRS Square/Retangular Retrofit

Equations:Q = K x ∆P ∆P = ( ___ )2

F = (________)2

Where: Q = Airflow Rate (cfm)

∆P = Sensor Differential Pressure ("w.g.) K = K-Factor Calibration Constant (standard air) F = Amplification Factor (sensor gain) A = Nom. Duct Area (sq. ft.)

The K-Factors tabulated in the above tables are the airflow required to produce a 1.0" w.g. differential pressure at the Diamond Flow Sensor.

QK

4005 x AK

InletSize Type Duct Area

(sq. ft.)K-Factor

(cfm)Velocity

(fpm)F-Factor (amp.)

4

ROUND

0.087 182 2092 3.675 0.136 325 2390 2.816 0.196 455 2321 2.987 0.267 657 2461 2.658 0.349 899 2576 2.429 0.442 1158 2620 2.34

10 0.545 1497 2747 2.1312 0.754 2058 2729 2.1514 OVAL 0.970 2554 2633 2.3116 1.186 3035 2559 2.45

24 x 16 RECT. 2.667 6797 2549 2.47


(sq. ft.)K-Factor

(cfm)Velocity


4

ROUND

0.087 182 2092 3.675 0.136 325 2390 2.816 0.196 455 2321 2.987 0.267 657 2461 2.658 0.349 899 2576 2.429 0.442 1158 2620 2.34

10 0.545 1497 2747 2.1312 0.785 2048 2609 2.3614 1.069 2742 2565 2.4416 1.395 3683 2640 2.3018 OVAL 1.683 4323 2569 2.43

InletSize Type

Damper (valve)

Size (inches)

Damper (valve)Area

(sq. ft.)

K-Factor(cfm)

Velocity(fpm)

F-Factor(amp.)

7

SQUARE OR

RECT.

5 x 5 0.174 479 2753 2.128 6 x 6 0.250 689 2756 2.119 8 x 6 0.333 919 2760 2.11

10 10 x 8 0.555 1531 2759 2.1111 14 x 8 0.778 2150 2763 2.10

11A 18 x 6 0.750 2068 2757 2.1112 12 x 10 0.833 2297 2758 2.1113 18 x 10 1.250 3446 2757 2.1114 18 x 12 1.500 4135 2757 2.1115 20 x 14 1.944 5360 2757 2.11

15A 30 x 12 2.500 6892 2757 2.1116 22 x 16 2.444 6739 2757 2.1117 24 x 18 3.000 8270 2757 2.1118 30 x 20 4.167 11486 2756 2.1119 40 x 20 5.555 15315 2757 2.11


(sq. ft.)K-Factor

(cfm)Velocity


4

ROUND

0.087 182 2092 3.675 0.136 325 2390 2.816 0.196 455 2321 2.988 0.349 899 2576 2.42

10 0.545 1497 2747 2.1314 x 8

RECT.0.777 2035 2619 2.34

14 x 10 0.972 2417 2487 2.59

Page 2 of 2





" C o m p l e t e A i r C o n t r o l a n d D i s t r i b u t i o n S o l u t i o n s . " w w w . n a i l o r . c o m3/20 IOM-VAVK (Supercedes 8/12)

Model Series: 30HQX Single Duct Exhaust (Hospital Grade)30X Single Duct Exhaust

Equations:Q = K x ∆P ∆P = ( ___ )2

F = (________)2

Where: Q = Airflow Rate (cfm)

∆P = Sensor Differential Pressure ("w.g.) K = K-Factor Calibration Constant (standard air) F = Amplification Factor (sensor gain) A = Nom. Duct Area (sq. ft.)

The K-Factors tabulated in the above tables are the airflow required to produce a 1.0" w.g. differential pressure at the Diamond Flow Sensor.

QK

4005 x AK

InletSize Type

Value InletSize

(inches)

Valve InletArea

(sq. ft.)K-Factor

(cfm)Velocity

(fpm)F-Factor(amp.)

4

SQUARE OR

RECT.

3.4 x 3.4 0.080 210 2625 2.335 4.3 x 4.3 0.128 345 2695 2.216 5.5 x 5.5 0.210 580 2762 2.107 5.8 x 6.3 0.254 680 2677 2.248 6.7 x 7.2 0.335 970 2896 1.919 8.6 x 7.1 0.424 1209 2851 1.97

10 9.5 x 8.0 0.528 1539 2915 1.8912 13.6 x 8.1 0.765 2269 2966 1.8214 12.9 x 10.8 0.968 2521 2604 2.3616 18.3 x 10.8 1.373 3586 2612 2.35

24 x 16 26.1 x 16.3 2.954 7009 2373 2.85


OPERATION MANUALEPIC FAN CARD VOLUME CONTROLLER WITH (GENTEQ EON) ECM MOTOR

Page 1 of 29/19 IOM-EPIC/ECM-EONK

REFER TO FIGURES 1, 2 & 3 AND USE THESE INSTRUCTIONS IF YOUR FAN CARD RESEMBLES ONE OF THESE. IF YOUR FAN VOLUME CONTROLLER CARD LOOKS DIFFERENT, REFER TO another IOM-ECM. This IOM refers to Nailor Part #’s H1-2272, H1-2272A1 and H1-2273A1.LED INDICATORS Power Indicator – A red LED located on the controller circuit board indicates that the control card has 24 VAC present (light will illuminate with higher than 18 VAC).

Airflow Indicator – A green LED located on the controller circuit board flashes to indicate airflow volume. Each pulse is 100 cfm (47.2 l/s). The last pulse is scaled. (ex. ½ pulse = 50 cfm)

RPM Limit Indicator – The green LED (same as airflow indicator LED) will stop pulsing bright green and reduce itself to a solid, dim glow as an indication that the motor is operating at or above the RPM limit for that particular unit. This is not an issue for some Nailor models and/or applications and can be where the unit is designed to run in normal operation, for instance a fan coil with multiple rows and high MERV rating filter at maximum cfm of the model. For some models and application such as Fan Powered Terminal Boxes where the box is not at maximum cfm or multiple rows, this could be an indication that filters should be checked for blockage or abnormally high static pressure. This would be an indication that the RPM limit has been reached. In either case review as needed per application.

SETTING AIRFLOW(SEE TROUBLESHOOTING SECTION IF ISSUES ARISE)Setting the Fan Airflow in the Manual Mode1. Mode Selector Jumper must be in the "Manual" position.

2. Ensure there is a 24 VAC signal at the 24 VAC/GND terminals.

3. Attach the leads of a DC voltmeter to the "TP1+" and "TP2-"pads on the Fan Card. Read the DC volts.

4. Refer to the Fan Calibration Table inside the line voltageenclosure. Select the voltage that corresponds to the desiredairflow (cfm or l/s) set point.

5. Adjust the potentiometer on the Fan Card to the desiredvoltage.

6. Breaking the power on the 24 VAC will cycle the fan.

Setting the Fan Airflow in the Dynamic Automation (0 – 10 VDC) Mode1. Mode Selector Jumper must be in the "0-10V" position.

2. Ensure there is a 24VAC signal at the 24VAC/GND terminals.

3. A "0-10V" VDC input signal will determine the fan airflow at theunit. Varying this signal will in turn vary the fan airflow. At lessthan 0.50 VDC, the unit will turn off.

4. Note: When mode selector jumper is in the "0-10V" positionand the sequence of operation warrants turning the motor offthrough the 24 VAC, the "hot" leg of the incoming power mustbe broken. Breaking the GND/common leg will not turn themotor off when the "0-10V" is connected to any controller.

OPTIONAL FSC - FAN STATUS (ON/OFF) CONTACT CLOSURE (MOTOR BLOWER PROVING SIGNAL) ON H1-2272A1 / H1-2273A11. A dry contact closure signal is provided at RLY terminals.

2. This signal can be used by the BAS for proving the motorblower is running (200 RPM threshold).

ELECTRIC HEAT FAN INTERLOCK RELAY (FIR) (if equipped)1. Air proving signal is provided to a relay in the heater control

circuit on models equipped with electric heat. This safetyinterlock prevents the heater from energizing unless the fan isenergized and rotating at a minimum of 200 RPM.

2. This signal is used in the control scheme in lieu of a mechanicalair pressure switch.

NOTICE:POWER MUST BE REMOVED FROM THE CONTROLLER WHENEVER CONNECTIONS OR DISCONNECTIONS ARE BEING MADE. FAILURE TO DO SO COULD RESULT IN IRREPARABLE DAMAGE.BEFORE PROCEEDING WITH ANY ADDITIONAL TROUBLESHOOTING, ENSURE THAT THE POLARITY OF THE 24 VAC SUPPLY TO THE CONTROLLER IS CORRECT. (SEE FIGURE 1). IF THE POLARITY IS NOT CORRECT, REMOVE THE CONNECTORS AND RECONNECT OBSERVING PROPER POLARITY. RECHECK THE SYSTEM FOR PROPER OPERATION.1. With power off, inspect the unit to make sure that there are no

foreign objects blocking fan operation. Turn the blower wheelby hand to verify that it moves freely.

2. Energize the unit at the disconnect switch. Adjust the controlsto call for the fan motor to run.

3. Then, turn the unit power back on and wait up to 20 secondsfor the motor to start.

TROUBLESHOOTING IN MANUAL ADJUST MODE1. Confirm the jumper on the Fan Card is in the "MAN" position

for adjustment of fan speed at the unit.

2. If the motor does not run, turn off the power to the unit andverify that the power plug and the control plug are firmly andcorrectly attached to the motor.

3. If the motor still does not start, turn off power and unplug bothwiring harnesses from the motor.

4. Energize the unit. Check the AC voltage at the motor powerplug. IMPORTANT: Do not jam the voltmeter leads into theconnectors. This will damage the connectors. Insert theprobes into the plugs until they touch the pins. Do notpenetrate the pins. You should have full line voltage betweenthe neutral and power lines, or between the two power lines incase of 208/240 VAC. If this is the case, go to step 5. If thereis not a full line voltage signal at this point, check the voltageat the incoming power terminal block. If there is not a full linevoltage signal at this point, turn off the power to the unit andhave the electrician verify the power issue.





" C o m p l e t e A i r C o n t r o l a n d D i s t r i b u t i o n S o l u t i o n s . " w w w . n a i l o r . c o m9/19 IOM-EPIC/ECM-EONKPage 2 of 2

5. If there is a full voltage signal,and if the ground wire isproperly connected, check thevoltage at the Fan Card. Besure that you have 18-28.5VAC at the 24 VAC terminals. Ifyou do not have voltage at thispoint, check the transformerand/or 24 VAC control voltage.

7. Check between "COM" and"PWM" (0-100% duty cycle).Depending on the input signal, it should be a modulating voltagebetween 0 and 24 VDC. (A 0PWM signal will turn the motoroff). Turn the potentiometer tocheck this. If you do not havethe proper voltage at this point,change the Fan Card.

8. If all the voltages check out, it ispossible that the pins may notbe connecting properly and itmay be a good idea to recheckthem at the plug near the motor. If there is a voltage discrepancyanywhere else, each sourceshould be verified for propervoltage readings. Plug bothcables back into the motor, turnon the power and wait for themotor to start.

TROUBLESHOOTING IN AUTO/DYNAMIC "0-10VDC" MODE1. Confirm the jumper on the

Fan Card is in the "0-10VDC"position for dynamic fan speedcontrol via the unit controllersignal (BAS).

2. Check to verify that the unitcontroller leads are properlyconnected to the Auto InputSignal terminal "+" & "-" at the2 or 4 pin terminal dependenton model. Ensure that ananalog signal from "0-10VDC" is present at the "+" &"-" terminals at the Fan Card.Correct connections or verifyoperation of controller, correctwhere needed. If "0-10VDC"signal is present at Fan Cardmove to step 3.

3. Check steps 2 – 8 inTROUBLESHOOTING INMANUAL ADJUST MODE.

Figure 1. EPICTM Single Motor Card. (H1-2272)

Figure 2. EPICTM Single Motor Card with Fan Statusand Electric Heat Relays. (H1-2272A1)

LINE

GND

MANUALTUNING POT.

MANUAL/0-10V JUMPER

AUTO INPUTSIGNAL

(0-10 VDC)IF REQUIRED

Figure 3. EPICTM Dual Motor Card with Fan Statusand Electric Heat Relay. (H1-2273A1)

LED (AIRFLOW COUNT)COM (OUT + ) WHTCOM (OUT - ) BRNBK (PWM) REDCOM BLKG (RUN/STOP) GRN(WIRING HARNESS TO MOTOR)VOLTMETER TESTTERMINALS (+/-)

COM (OUT + ) WHTCOM (OUT - ) BRNBK (PWM) REDCOM BLKG (RUN/STOP) GRN

ELECTRIC HEATINTERLOCK RELAY (J5/J6)

LINE

GND

MANUALTUNING POT.

MANUAL/0-10V JUMPER

AUTO INPUTSIGNAL


FAN STATUS(ON/OFF)

CONTACTCLOSURE

SIGNAL FORREMOTE BAS

(RLY/RLY)

LINE

GND

MANUALTUNING POT.

MANUAL/0-10V JUMPER

AUTO INPUTSIGNAL


FAN STATUS(ON/OFF)

CONTACTCLOSURE

SIGNAL FORREMOTE BAS

(RLY/RLY)


ELECTRIC HEATINTERLOCK RELAY (J5/J6)


This installation guide applies to EZvav digital display wall sensors connected to EZvav controllers.

For complete details, download IOM “IOM-EZVAVINST” from Nailor website.

Choosing a sensor locationInstall the sensor on an inside wall where it can sense the average room temperature. Avoid locations with direct sunlight, heat sources, windows, air vents, and air circulation obstructions such as curtains or furniture.

For models with motion sensing, see the topic on the following page, Planning for motion sensing.

Rough-in preparationComplete rough-in wiring at each sensor location prior to sensor installation. This includes the following items:

• If required, install an appropriate backplate.• Route an Ethernet connecting cable from the sensor to the

controller location.• Maximum cable length is 75 feet (22.9 meters). Plenum-

rated preassembled cables are recommended.

Mount the sensors

To install the sensor on a mounting base, do the following:1. Turn the Allen screws in the base of the sensor clockwise until

they clear the case. Swing the sensor away from the mounting base to remove it.

2. Route the Ethernet cable through the mounting base.3. Fasten the mounting base directly to a 2 x 4 inch (51 x 102

mm) outlet box or a backplate with the Allen screws toward the floor.

4. Insert the Ethernet cable coming from the base into the sensor.5. Place the top of the sensor over the top of the mounting base

and swing it down over the Allen screw brackets. Be careful not to pinch any wiring.

6. Turn the Allen screws counterclockwise until they back out of the mounting base and engage the case of the sensor.

Operation The sensor will become operational as soon as it is connected to an operational controller. See the following pages to change room set points or configure a EZvav controller with the sensor.

MaintenanceRemove dust as necessary from holes in top and bottom. Clean the display with soft, damp cloth and mild soap.

IOM-EZVAVQSIGDate: 9-2015 Supersedes: NEW Page 1 of 4

Quick Start Installation Guide – EZvav Sensors & Controllers

www.nailor.com

Turn screws clockwise to remove sensor case from base.

Mounting Base

Ethernet Connecting Cable

Maximum 75 feet (22.9 meters) Allen

Screws

Nailor reserves the right to change any information concerning product or specification without notice or obligation.

Turn counterclockwise until the screws engage the case.

EZvav Sensors:

STE-8001W36Digital Display

STE-8201W36Digital Display with Occupancy Sensor


Quick Star t Installation Guide – EZvav Sensors & Controllers

Planning for motion sensing

Typical motion sensing coverage

Motion sensor vertical and horizontal patternsSide view Top view

For motion sensing models only — Mount the sensor on a wall that will have an unobstructed view of the typical traffic in the coverage area. When choosing a location, do not install the sensor in the following areas.

• Behind curtains or other obstructions. • In locations that will expose it to direct sunlight or heat

sources.• Near a heating or cooling inlet or outlet.

The effective detection range is approximately 33 feet (10 meters). Factors that may reduce the range may include the following items.

• The difference between the surface temperature of the object and the background temperature of the room is too small.

• Object movement in a direct line toward the sensor.• Very slow or very fast object movement.• Obstructions in the shaded area of the diagram Typical

motion sensing coverage.

False detections may be triggered by any of the following conditions.

• The temperature inside the detection range suddenly changes because of the entry of cold or warm air from an air-conditioning or heating unit.

• The sensor being directly exposed to sunlight, an incandescent light, or other source of far-infrared rays.

• Small animal movement.

Changing room set pointsRoom set points are changed using the buttons and display on the front of the sensor.

1. Press any button to begin changing set points.2. If required, enter Password 1. New installations do not have a

password.3. When the display advances to the cooling set point, press the

up ∆ or down button to change the cooling set point.

4. Press the set point button to save the cooling set point and advance to the heating set point.

5. Press the button to save the value or advance to the next function.

6. When the display advances to the heating set point, press the up ∆ or down button to change the heating set point.

7. Press the set point button to save the heating set point and return to the temperature display.

∆

∆


EZvav Controllers:These are brief instructions for installing a EZvav controller.

For complete details, download IOM “IOM-EZVAVINST” from Nailor website.

1 Align the damper and drive hubManually rotate the damper on the VAV box to the fully closed position.

Press the gear clutch button and rotate the drive hub in the same direction that closed the damper. Turn the hub until it reaches a stop, then rotate the hub back 2 degrees and release clutch.

2 Mount the controller to the VAV boxPlace the controller over the damper shaft.

Finger tighten the nuts on the V-bolt to position the shaft in the drive hub.

Center the mounting bushing in the mounting tab and fasten it with a #8 sheet metal screw.

Evenly tighten the V-bolt nuts on the drive hub to 30-35 in-lbs.

3 Connect the room sensor cableConnect a EZvav sensor to the controller with a standard Ethernet cable. Plug the controller end of the cable into the T’stat connector.

4 Connect the airflow sensorsConnect the airflow sensor on the VAV box to the airflow ports on the controller. Use 0.25 in. FR tubing.

5 Connect auxiliary equipment (optional)Other VAV equipment such as fans, heaters, reheat valves, and discharge air temperature sensors connect at the green terminals.

If the controller is part of a BACnet network, wire it to the gray MS/TP network terminals.

6 Connect 24 volt powerConnect the controller to a 24 volt, Class 2 transformer at the black power terminals. As soon as power is connected, the controller begins operation.


www.nailor.com

Quick Star t Installation Guide – EZvav Sensors & Controllers


Drive Hub and V-bolt

Airflow Sensor Ports

Gear Clutch Button

Mounting Tab and Bushing

Room Temp. Sensor/T’stat connector

Black Power Terminals

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3/11 IOM-AECVAV

INSTALLATION AND OPERATION MANUALANALOG ELECTRONIC CONTROLSVAV TERMINAL UNITS


Page 1 of 10

CTE-5100 Series Thermostats:

The CTE-5100 series thermostats are designed to be used with the CSP-5002 controller actuator. CTE-5100’s are provided with limited and

unlimited outputs. The limited output(s) is (are) used to provided minimum and maximum limits to a CSP-5002. The unlimited output(s) is

(are) used to operate fan and heat sequences.

Models are available for cooling, cooling with reheat, cooling / heating changeover and day/night or set-back applications. Temperature

averaging and/or overrides may be accomplished. Consult Nailor control submittal for applicable thermostat model.

Models:

CTE-5101 Single setpoint; Direct Acting Supply Voltage: 16 Vdc (14 - 20 Vdc)

CTE-5103 Dual setpoint; Direct & Reverse Acting Output Range: 0 to 10Vdc

CTE-5104 Dual setpoint; Direct & Reverse Acting Connections: Wire clamp type: 14-22 AWG

CTE-5105 Dual setpoint; both Direct Acting Temperature Range: 55OF - 85OF (13OC - 29OC)

Thermostat Action: Proportional Band:

CTE-5101 Direct Acting (DA) T1/T3 CTE-5101/3/5 2OF, (1.1OC) w/limits output (T1/T2)

CTE-5103 Direct Acting (DA) T1/T3, Reverse Acting (RA) T2/T4 4OF, (2.2OC) w/o limits output (T3/T4)

CTE-5104 Direct Acting (DA) T1/T3, Reverse Acting (RA) T2 CTE-5104 2OF, (1.1OC) w/limits output (T1)

CTE-5105 Direct Acting (DA) T1/T2/T3/T4 2OF, (1.1OC) w/limits output (T2/T3)

Base Material:Black ABS, UL Flame Class 94HB

Size 2 9/16" (65 mm) x 3 7/16" (87 mm)

Table 1. Thermostat Specifications.

Installation:

Thermostats must be mounted horizontally,(or vertically by using an optional vertical scale plate), utilizing the HMO-5030/5031 backplates

for mounting to a standard 2" x 4" electrical box, or the optional HMO-5023 drywall bracket for mounting to hollow walls. Thermostats should

be mounted on a wall in an area not affected by sunlight or drafts, to sense the average room temperature.

Electrical box mounting:

Install the HMO-5030/5031 backplate to the electrical box using the two 6-32 screws, supplied with backplate – do not tighten. The backplate

is provided with one slotted mounting hole for leveling. Level the backplate and tighten the two mounting screws. Pull thermostat wires

through backplate and decorative trim plate. Connect thermostat wires to the thermostat according to the wiring diagram supplied with the

unit. Position the trim between the back plate and the thermostat, secure the assembly with the two 6-32 x 2" self tapping screws supplied.

Hollow wall mounting:

Loosely mount the HMO-5023 bracket to the thermostat using the two 6-32 x 2" screws. Pull all thermostat wiring through the opening on

the bracket. Connect thermostat wires to the thermostat according to the wiring diagram supplied with the unit. Center and align the

thermostat while tightening the mounting screws.

Thermostat 5101 5103 5104 Terminals DescriptionTerminals 5105

V1 X X X Velocity input for readout, connect to “out” on CSP-5002

T3 X X X Upper setpoint output w/o limits (0 -10 Vdc)

R1 X X X T1 override, connect to "-" if unused. Voltage applied subtracts from T1

T1 X X X Upper setpoint output w/limits. Adjustable at pot.on front of thermostat

+ X X X 16 Vdc power supply input

12V X X X 12 Vdc power output

A X X X Temperature averaging input

- X X X Ground reference

T2 X X Lower setpoint, output w/limits. * Adjustable at pot. on front of thermostat

R2 X X T2 override connect to "-" if unused **

T4 X Lower setpoint output w/o limits (0 -10 Vdc)

V2 X Velocity input for readout

* Except 5104; T2 lower setpoint output is w/o limits.

** R2 is auxiliary limit trigger on model 5104. Voltage above 1 Vdc @ R2 indexes T1 to the auxiliary flow limit. Install jumper R2-T2 for

automatic indexing of aux. flow setting.

Table 2. Thermostat Wiring Terminals and Description.

3/11 IOM-AECVAV


Page 2 of 10

Figure 1. Thermostat Detail

Maintenance:

No routine maintenance is required. Each component’s design and material selection assures dependable long-term reliability and

performance. Careful installation will also enhance long term reliability and performance.

CSP-5002 DAMPER CONTROLLER/ACTUATOR

All Nailor standard right hand (and optional left hand) terminal units have a 1/2" (13), diameter drive shaft and a clockwise to close damper

rotation (Dual Duct Left Hand Deck CCW to close). Full damper shaft rotation is 45 or 90 degrees depending on model. The CSP-5002

should be mounted on the damper drive shaft so the actuator will stall at either end of the stroke to ensure tight shut-offs and full rotation.

Ensure the two jumpers are set for the correct damper rotation.

The CSP-5002 has a tri-color LED that indicates the current action of the damper: RED – Closing, GREEN – Opening, WHITE – Satisfied.

The CSP-5002 provides pressure independent VAV control for terminal unit primary valves. Primary air volume is monitored by the use of a

multi-point flow sensor located in the inlet duct. Differential pressure is measured by an onboard platinum transducer. The changes in the

inlet static pressure will vary the position of the inlet damper. Flow limit adjustments are made using a digital DC voltmeter at the thermostat.

The CSP-5002 is factory calibrated with VNOM adjustment centered for the enclosed voltage - airflow charts. Do not adjust. Dampers are

always shipped in the full open position.

METERTAPS

COVER MTG.SCREWS (2)

RETAININGPINS (2)

SCALE PLATE

(°F OR °C)

70

KMC Controls

50 90

MAX/AUXINCR

MININCR

MININCR

MAXINCR

METERSTAPS

METERSTAPS

HEATING COOLING

VV

BACK VIEW

3 1/4" (83)2 9/16" (65)

63/64"(25)

1 31/32"(50)

WIRE CLAMP TERMINAL HEATING SLIDER(WHERE APPLICABLE)

COOLING SLIDER

4" (102)

HL

90

45

0

3 1/8" (79)

FIELD ADAPTABLE AUXILIARYSWITCH NON-ROTATION SLOT

6 7/64"(155)

1 1/2"(38)

5 1/16"(129)

DAMPERSHAFTROTATIONJUMPERS

ADJUSTABLEEND STOPS

51" (13) DIA.

6 15/32"(164)

DAMPER SHAFTDRIVE HUB

ACESSDOOR

GEAR DISENGAGEMENT BUTTON

5/16-18 SETSCREWS (2)

RED

GREEN

NON-ROTATIONTAB

5/8" (16) DIA.WIRE ACCESS

SHUTTERBUSINESS

P PORTS3/16" (5) DIA. (2)

Figure 2. CSP-5002 Controller / Actuator

POWER REQUIREMENTS:

Controller / actuator / thermostat is 7VA plus any output loads for fan relays, heating contactors and control valves (assume 10 VA each).

Always switch control voltage off prior to disconnecting any wires from the controller.

3/11 IOM-AECVAV


Page 3 of 10

ANALOG CONTROL CALIBRATION CHARTS

VOLTAGE VS. AIRFLOW

When field adjustment or field calibration of the CTE-5100 series thermostats is necessary, desired limit control can be calculated using the

tables in Figure 3 and the following formulas, or the charts presented in Figures 4 through 8.

Formulas:

CFM = K (VDC - Offset) VDC = (CFM/K) + Offset

Follow the individual calibration procedure for the thermostat model(s) as required.

Inlet size K factor Offset14 x 10 417 - 0.14

24 x 16 1250 - 0.07

Inlet size K factor Offset4 in. Round 33 + 0.44

5 in. Round 55 + 0.02

6 in. Round 75 + 0.08

7 in. Round 115 - 0.19

8 in. Round 143 + 0.32

9 in. Round 175 + 0.10

10 in. Round 233 + 0.09

12 in. Round 357 - 0.04

14 in. Round 500 - 0.07

16 in. Round 625 - 0.25

Inlet size K factor Offset12 in. Oval 333 - 0.22

14 in. Oval 417 - 0.47

16 in. Oval 588 + 0.05

18 in. Oval 759 - 0.27

Figure 3. Diamond Flow Sensor K Factors.

0

2.0

3.0

4.0

5.0

6.0

7.0

1.0

VO

LT

S,

DC

0 100 200 300 400 600500

AIRFLOW,CFM

SIZE4

SIZE5

SIZE6

Figure 4. Inlet Sizes 4, 5, 6 Round

3/11 IOM-AECVAV


Page 4 of 10

0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

1.0

VO

LT

S,

DC

0 100 200 300 400 600500 800700 900 11001000 1200 14001300 1500

AIRFLOW,CFM

SIZE10

SIZE9

SIZE8

SIZE7

Figure 5. Inlet Sizes 7, 8, 9, 10 Round

0

2.0

3.0

4.0

5.0

6.0

7.0

1.0

VO

LT

S,

DC

0 500 15001000 25002000 3000 40003500

AIRFLOW,CFM

SIZE12

SIZE14 SIZE

16

SIZE14x10

Figure 6. Inlet Sizes 12, 14, 16 Round. 14 x 10 Rectangular

3/11 IOM-AECVAV


Page 5 of 10

0

2.0

3.0

4.0

5.0

6.0

7.0

1.0

VO

LT

S,

DC

0 500 15001000 25002000 3000 40003500

AIRFLOW,CFM

SIZE12

SIZE14

SIZE16

Figure 7. Inlet Sizes 12, 14, 16 Oval (Single Duct Only)

0

2.0

3.0

4.0

5.0

6.0

7.0

1.0

VO

LT

S,

DC

0 500 15001000 25002000 3000 40003500 4500 55005000 6000 6500 7000 80007500

AIRFLOW,CFM

SIZE18

SIZE24x16

Figure 8. Inlet Size 18 Oval. 24 x 16 Rectangular

3/11 IOM-AECVAV


Page 6 of 10

CALIBRATION PROCEDURE FOR AIR VOLUME ADJUSTMENTS MADE AT THERMOSTAT

Thermostats are factory calibrated when minimum and maximum airflow limits are provided. Field calibrations are as follows:

Minimum and maximum setpoints (air volume limits), are set at the thermostat. Check the CSP-5002 controller to ensure that the minimum

and maximum potentiometers are dialed completely out (min. CCW, max. CW), so that the thermostat signal is not restricted.

A – Required Tools:

1. Small flat blade screwdriver 1/8" / 3 mm 3. Hex Wrench 1/16" / 2mm for the cover screws

2. Digital voltmeter w/DC range to hundredths 4. A test lead (HSO-5001) is recommended for meter readings

B – Remove Thermostat Cover:

Thermostat cover is removed by turning the two set screws CW, (which are located on the short sides of the thermostat). Remove cover and

setpoint slider stops if installed.

Figure 9. Thermostat scaleplate detail.

CTE – 5101 SINGLE SETPOINT THERMOSTAT

(DA T1 with limits, T3 without limits)

1. Ambient temperature at the thermostat must be between 55O F – 85OF (13OC – 29OC).

2. Adjust the setpoint slider all the way to the right for minimum cooling. Connect voltmeter to the cooling (right side) voltmeter taps. The

center and right tap provide the VDC readings (min/max airflow). The center and left tap provide the actual air volume (live velocity)

reading when thermostat V1, is connected to the controller OUT terminal.

3. Read the VDC across the taps. Adjust the MIN INCR potentiometer to the VDC equal to the desired air volume as shown on the chart.

NOTE: The minimum setpoint must be set first. Adjustment of the minimum potentiometer directly affects the maximum setpoint.

4. Adjust the setpoint slider all the way to the left for maximum cooling.

5. Read the VDC across the taps. Adjust the MAX INCR potentiometer to the VDC equal to the desired air volume as shown on the chart.

NOTE: The maximum setpoint must be set last. Adjustment of the minimum potentiometer directly affects the maximum setpoint.

6. Return the setpoint slider to the desired setpoint. Install the optional setpoint stops if required and replace thermostat cover.

CTE - 5103 DUAL SETPOINT THERMOSTAT (Heat / Cool Changeover)

(DA T1/T3. RA T2/T4. T1, T2 with limits, T3, T4 without limits)

Cooling side of thermostat

1. Follow steps 1 through 5 for the CTE-5101 thermostat. Note: Be sure to adjust the cooling setpoint slider all the way to the left for

maximum cooling. (The heating setpoint sider will have to be adjustable all the way to the left also).

Heating side of thermostat

1. Ambient temperature at the thermostat must be between 55OF - 85OF (13OC - 29OC).

2. Adjust the heating setpoint slider all the way to the left for minimum heating. Connect voltmeter to the heating (left side) voltmeter taps.

The center and right tap provides the VDC readings (min/max airflow).

3. Read the VDC across the taps. Adjust the MIN INCR potentiometer to the VDC equal to the desired air volume as shown on the chart.


4. Adjust the heating slider all the way to the right for maximum heating.

5. Read the VDC across the taps. Adjust the MAX INCR potentiometer to the VDC equal to the desired air volume as shown on the

provided chart.


6. Return both setpoint sliders to the desired setpoints. Install the optional setpoint stops if required and replace thermostat cover.

VELOCITY MIN. & MAX.VELOCITYMETERTAPS

COVER MTG.SCREWS (2)

RETAININGPINS (2)

SCALE PLATE(°F OR °C)

70

KMC Controls

50 90

METER TAP

HEATING COOLING

VV

MAX/AUXINCR

MININCR

MININCR

MAXINCR

METERSTAPS

METERSTAPS

3 1/4" (83)

HEATING SLIDER(WHERE APPLICABLE)

COOLINGSLIDER

3/11 IOM-AECVAV


Page 7 of 10

CTE – 5104 DUAL SETPOINT THERMOSTAT

(DA T1/T3. RA T2. T1 with limits, T2, T3 without limits)

Cooling side of the thermostat

1. Follow steps 1 through 5 for the CTE-5101 single setpoint thermostat. Note: Be sure to adjust the cooling setpoint slider all the way to the

left for maximum cooling. (the heating setpoint slider will have to be adjustable all the way to the left also).

Adjustment of the Auxiliary Setpoint - Higher reheat minimum (if required).

2. Read the VDC across the meter taps on the heating (left) side of the thermostat. With the left hand slider in the full heat position,

completely to the right, adust the MAX/AUX INCR potentiometer to the VDC equal to the desired air volume as shown on the chart. If a

higher Aux Min is not required, dial fully CCW.


CTE – 5105 DAY / NIGHT THERMOSTAT (Night Temperature Set Back)

(DA T1/T2/T3/T4. T1/T2 with limits, T3/T4 without limits)

Day side of thermostat

1. Follow steps 1 through 5 for the CTE-5101 thermostat.

Note: Be sure to adjust the day setpoint slider all the way to the left for maximum cooling. The night setpoint slider will have to be adjusted

all the way to the left also.


Night side of thermostat

1. Follow steps 1 through 5 for the CTE-501 thermostat.

Note: Be sure to adjust the night setpoint slider all the way to the right for minimum cooling. The day setpoint slider will have to be

adjusted all the way to the right also.

2. Return both setpoint sliders to their desired setpoints. Install the optional setpoint stops if required and replace thermostat cover.

Figure 10. Thermostat action schematics.

10

-2OF Dir. Act. S.P. +2OF -2OF Dir. Act. S.P. +2OF (Night) (Day)

-2OF Rev. Act. S.P. +2OF -2OF Dir. Act. S.P. +2OF (Heating) (Cooling)

55

0

min. min.

max.T2

T4

CTE-5105 Thermostat

-2OF Rev. Act S.P. Dir. Act. S.P. +2OF (Heating) (Cooling)

CTE-5104 Thermostat

max.T1

T3

VD

C O

utp

ut

10

-2OF S.P. +2OF

5

0

min.

max.T1

T3

CTE-5101 Thermostat

VD

C O

utp

ut

10

5

0

min. min.

max.

T4

T2

CTE-5103 Thermostat

max.T1

T3

VD

C O

utp

ut

10

0

aux. min.

min.

max.T2

max.T1

T3

VD

C O

utp

ut

3/11 IOM-AECVAV


Page 8 of 10

GENERAL INFORMATION FOR ALL TERMINAL UNITS

Checkout Procedure

The CSP-5002 actuator will take up to 2.5 minutes for a 45 degree stroke damper and up to 5.0 minutes for a 90 degree stroke damper to

cycle from its minimum to its maximum setting and vice versa. It is important therefore when verifying minimum and maximum flow limits, by

moving the slider(s) right or left as previously described, to wait sufficient time to ensure the actuator has moved to its correct position and

that the live velocity read-out (if used) has settled.

Live Supply Volume Readout

A voltage output corresponding to actual primary air volume may be monitored at the room thermostat to assist in balancing and

troubleshooting. The output signal is the same as the airflow volume vs. DC voltage calibration curve. The test lead (HSO-5001) is

connected to the innermost meter taps on the thermostat scaleplate (see Figure 9).

Supply Air Temperature Sensing

A duct mounted temperature sensor (thermistor) is used to measure primary air temperature in control sequences involving automatic

changeover (ACO) or morning warm-up (MWU). The probe is attached to the inlet collar and wired to the low voltage controls enclosure. To

ensure proper operation for auto changeover, a minimum flow setting should be used for both heating and cooling modes. This allows airflow

to constantly pass over the duct temperature sensor.

Proportional Reheat Control

Hot water valves and SCR controllers with a 0 -10 Vdc control signal (10mA max,) are wired (+) to terminal ‘T2’ on the thermostat and (-) to

the grounded side of the low voltage control circuit. T2 is an output with limits and it must therefore be ensured that the thermostat limits are

dialed out (max. pot. fully CW and min. pot fully CCW) for unrestricted operation.

FAN POWERED TERMINAL UNITS

Night Shut Down

Units ordered with optional Night Shut Down (NSD) sequences employ an airflow switch to sense when primary air has been shut down.

When the airflow switch opens the fan and optional heat are shut down. Upon the primary air starting, the airflow switch will close and return

the unit to normal operation.

Night Temperature Setback

Units ordered with optional Night Temperature Setback (NTSB) sequences employ an airflow switch to sense when the primary air (central

air handler) has been shut down. When the airflow switch opens, a lower night time temperature setpoint is initiated. The unit fan and

optional supplementary heat will cycle intermittently to maintain night setpoint temperature. Upon start up of the central air handler, the unit

will return to daytime operation. Amount of setback is either fixed or adjustable dependent on control sequence. Refer to control submittal.

Night Cycle

On series units with optional night cycle sequences, an airflow switch de-energizes unit fan upon loss of primary (central system) air. Upon a

call for heat, the thermostat will override the airflow switch and cycle the unit fan followed by any supplementary heat intermittently to

maintain day setpoint temperature.

On parallel units, basic control sequences cycle the fan and supplementary heat intermittently as standard in response to thermostat

demand. This will therefore still occur at night when the central air has been shutdown.

Checkout Procedure (Day / Occupied Mode)

Series Fan Powered Terminal Units: The fan should be energized regardless of slider(s) position. Dependent on control sequence ordered,

thermostat may have one or two sliders. Consult control sequence submittal / wiring diagram and thermostat calibration procedure.

Parallel Fan Powered Terminal Units: Fan will only cycle upon a call for heat. Move single slider (or both if a separate heating or night slider

is present) full right to energize fan. Dependent on control sequence ordered, thermostat may have one or two sliders. Consult control

sequence submittal / wiring diagram and thermostat calibration procedure.

Checkout Procedure (Night / Unoccupied Mode)

Move thermostat slider(s) full right to energize fan and supplementary heat.

3/11 IOM-AECVAV


Page 9 of 10

TROUBLESHOOTING PROCEDURE

Note: Turn off power before making any wiring changes to the unit.

1. Verify 24 Vac at CSP-5002 controller / actuator terminals "~" (phase) and "-"(ground). Tolerance +20 / -15% (20.4-28.8 Vac). When using

a common transformer for more than one CSP-5002, polarity should be observed.

2. Check correct field wiring from thermostat to terminal block in unit low voltage enclosure. Refer to Nailor control wiring diagram inside

controls enclosure. Ensure all wiring connections are tight and secure.

3. Check tubing from unit inlet flow sensor to the controller / actuator is correct and no leaks. "Hi" side of sensor to "H" on controller / actuator

and "Lo" side of sensor to "L" on controller / actuator.

4. Verify 16 Vdc at CSP-5002 terminals "16 VDC" and "-". Tolerance is 15 to 17 Vdc power supply to thermostat. If not correct, disconnect

thermostat and recheck. If still incorrect, replace CSP-5002 controller / actuator.

5. Check requested minimum and maximum flow settings on terminals "IN" and "-". Refer to Vdc vs. Airflow setting charts at back of this

document. If reading is not what is desired, refer to thermostat calibration procedure.

6. Check actual airflow (live velocity readout) voltage on terminal "OUT" and "-" (0 – 10 Vdc). Use calibration charts provided.

7. Check for damper movement and correct rotation.

a) Review "requested flow" and actual flow" above to determine if unit should be satisfied (within 50 fpm +/- 0.20 Vdc) or driving damper

open or closed.

b) If damper is not moving, verify damper is not stuck at end of travel and has free movement. Use manual release clutch on CSP-5002.

Check CW / CCW rotation jumpers for proper operation. Ensure damper actuator connection is correct and damper can travel fully open to

fully closed within limits of the actuator stroke. Check actuator coupling to damper shaft setscrews are tight.

c) Change "requested flow" to make unit drive opposite direction (verifying correct damper movement). This can be accomplished by

moving thermostat setpoint sliders or:

i) To manually open damper, remove wire from terminal "IN" and jumper terminal "IN" to 16Vdc". This will tell unit to control at full

airflow and the green LED should turn on, driving damper fully open.

ii) To manually close damper, remove wire from terminal "IN" and jumper terminal "IN" to "-" terminal. This will tell unit to control at zero

airflow and the red LED should be on, driving damper fully closed.

Warning: Never jumper terminal "16 Vdc" to "-", as this will cause short and possibly damage the power supply.

REE – 5002 Relay Module Fan with 2 Stage Reheat

The REE-5002 is used in all parallel flow terminal units, and specific series flow terminal units with the night cycle or setback options. The

relay cycles the fan and activates up to 2 stages of heat in response to a direct acting 0 -10 Vdc thermostat output. The fan start point is

adjustable from 3-8 Vdc which equates to -0.8 to +1.2OF,(-0.4 to +0.7OC), around setpoint. The factory setting is 4 Vdc (-0.4F below cooling

setpoint / min. primary airflow setting). To field adjust, read the Vdc across terminals "X" and "-". Adjust the potentiometer to Vdc desired

setpoint. The two stages of heat are sequenced to energize after the fan is activated when the desired room temperature continues to

decrease.

CTE-5100 SERIES THERMOSTATDIRECT ACTING

24VAC CONTACTORS10VA MAX PER STAGE

FAN #1 #2

DCVOLT

METER

+ -T3

USE TER

MIN

AL "X" FOR

M

EASUR

ING

FANTR

IP VOLTAG

E ON

LY

REE-5002

CAU

TION

X T

INCR ~ --

24 VACLOAD

CSP-5001CONTROLLER-ACUATOR

24 VAC ~

24 VAC --FAN

1 2

KM

CIN

C C

ON

TR

OL

S

Figure 11. Ree-5002 Relay Module. Fan with 2 stage reheat.

FAN START POINTADJUSTABLE

3-8 VOLTS

THERMOSTAT SIGNAL (T3)(1 VDC SWITCHING DIFFERENTIAL)

STAGES

FAN

1

1 3 8 VOLTS

2

3/11 IOM-AECVAVPage 10 of 10


DESCRIPTION VENDOR PART NO. NAILOR PART NO.KMC Controller / Actuator CSP-5002 V3004

(Kreuter) Controller / Actuator CSP-4606 V3005

Controller / Actuator CSP-4616 V3006

In-line filter for CSP-4XXX HFO-0034 V3007

KMC (Kreuter) Room Thermostat and accessories:

CTE-5100 Series - (0 -10 Vdc):

DA clg. (base only) CTE-5101 V3030

DA clg. / RA htg. (base only) CTE-5103 V3031

DA clg./RA reheat (base only) CTE-5104 V3032

DA / DA (Day / Night) (base only) CTE-5105 V3033

Accessories for CTE-5100 Series:

Thermostat Cover - light almond HPO-1511 V1060

- White HPO-1512 V1061

Backplate mounting kit

(for mounting to a 2 x 4 handy box) - light alomd HMO-5024 V1062

- White HMO-5026 V1063

Mounting Strap kit (for mounting on holllow wall) HMO-5023 V1064

Horizontal Scale Plate - OF HPO-0060-10 V1069

- OC HPO-0060-11 V1070

Miscellaneous:

KMC Electric reheat relay module, 3 stage REE-5001 V3050

KMC Wet heat time prop. relay module DA/NC valve REE-5106 V3053

RA/NO valve REE-5123 V3054

KMC Fan/elec. heat relay module, 2 stage REE-5002 V3055

KMC Fan/wet heat time prop. relay module DA/NC valve REE-5017 V3056

RA/NO valve REE-5024 V3057

KMC Constant volume relay module REE-1004 V3058

KMC Heat / Cool changeover module REE-1005 V3059

KMC Duct temp. changeover sensor (for use with REE-1005) STE-1002 V3060

Airflow Switch FS-BO-182 V3061

DPDT Relay 24V. 9100-233Q323 V3062

Transformers (foot mount):

120 to 24 V. 40 VA - VH1-669

120 to 24 V. 50 VA - VH1-692

208/240 to 24 V. 40 VA - VH1-670

208/240 to 24 V. 50 VA - VH1-685

277 to 24 V. 40 VA - VH1-675

277 to 24 V. 50 VA - VH1-674

277 to 24 V. 75 VA - VH1-677

480 to 24 V. 50 VA - VH1-686

208/240/480 to 24 V. 40 VA - VH1-671

120/208/240/480 to 24 V. 75 VA - VH1-689

24 to 24 V. 40 VA - VH1-673

COMPONENTS, ACCESSORIES, REPLACEMENT PARTS

Calgary, CanadaTel: 403-279-8619

Fax: 403-279-5035

Houston, TexasTel: 281-590-1172

Fax: 281-590-3086

Las Vegas, NevadaTel: 702-648-5400

Fax: 702-638-0400

Toronto, CanadaTel: 416-744-3300

Fax: 416-744-3360

Installation and Operation Manual Single Duct Terminal Units · 2020. 11. 12. · Single duct terminals units are shipped from the factory with the following information labels. 1)

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