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AMST1 GB EN 9711A
ReznorOctober 03
AS1
Warm Air HeaterControl Panel
AMST1 GB EN 9711A
I N D E X
1. Introduction
2. Technical Data
3. Specifications
4. Siting
5. Installation
6. Description and Method of Operation
7. Setting of Time Switches
8. Commissioning and Testing
9. Handling Over to the User
10. Wiring Diagram
2
AMST1 GB EN 9711A
1. INTRODUCTION
The control panel is designed for use with a single Reznor warm air unit heater. Thecontroller comprises of an electronic time clock, air sensing thermostat and frost protectionthermostat, a Heat/Vent/Off switch – giving ‘fan only’ operation on air heaters and ‘heatingoff’ facilities (except for frost protection for use during holidays etc.), LockoutIndication/Reset switch and a Clock override function.
Note : Lockout Indication/Reset optional connection for use with automatic ignition unitsonly.
2. TECHNICAL DATA (Dimensions)
3
AMST1 GB EN 9711A
3. SPECIFICATIONS
3.1 General
Electrical Supply Requirement 240V 50Hz, Fuse 3AHeat/Vent Switch Loading 240V ac 10A (resistive) 3A (inductive)Ambient Temperature Range -5 to 55°COperating Temperature Range 0-30°CThermostat Loading 240V ac 10A(resistive) 2.5A (inductive)Power Indicator Red LEDRun Indicator Amber LED
3.2 Time Switch
Display 7mm LCDProgram Instructions 16 (8 on / 8 off)Shortest Switching Time 1 MinuteBattery Back Up Battery Life Up to Five YearsOverride Constant on, Constant off, soft
Override
4. SITING
4.1 Temperature Sensing
The selection of the correct position for the control panel is particularly important. The unitmust be fitted at a point, which will be generally representative of the heated area.Draughty areas, or areas subjected to direct heat (e.g from the sun, radiators, heateroutlets etc.) or areas where the air movement is relatively stagnant (e.g recesses) are allpositions to be avoided when siting the unit. Ideally, units should be mounted 1.5m fromthe floor.
5. INSTALLATION
IMPORTANT
The structure onto which the controller is mounted must be stable and vibration free.
5.1 Mounting
a) Remove the two cover securing screws on the front of the unit and swing open thedoor away from the base.
b) Offer the unit up to the intended mounting position and mark the location of the topkeyhole slots.
c) For fixing into wood, drill pilot hole to suit No. 8 screws. On masonary, drill hole(No.10) to accept the wall plugs. If the unit is to be fitted to metalwork, use a 5.5mmdrill.
d) Mount the base panel using No. 8 x 1¼” round-headed screws. On metalwork, useM5 machine nuts and bolts or similar.
e) Re-position unit and repeat for remaining two holes.
4
AMST1 GB EN 9711A
5.2 Electrical Connections
IMPORTANTWiring external to the unit must be installed in accordance with current I.E.E. Regulationsand any local regulations that apply. Wiring should be contained in conduit, entry for whichis provided on the top right of the enclosure.
Heat/Vent circuits are volt free. The use of the Summer Vent operation is optional andrequires a single wire from terminal 3 in the controller to the heater.
The use of the remote lockout reset (where applicable) is optional and requires a wire fromterminal 4 to the heater. This is a return neutral.
It is important to note that it is not acceptable to provide the main supply to the heater viathe controller. Complete the external wiring in not less than 1.5mm² cable.
NOTE: The mains supply to the controller should be taken from the heater.
CAUTION
a) Insulation test of site wiring must be carried out prior to making connections to aunit. Do not use a Megger once a unit is connected.
b) For continuity test, use only a low voltage instrument e.g Avonmeter set to OHMSrange.
6. DESCRIPTION AND METHOD OF OPERATION
6.1 Heat/Off/Vent
a) In HEAT position, the air heater(s) will operate under control of the time clock andthermostat.
b) In VENT position, the main fan of the heater will run continuously; the temperaturesensing control circuit being immobilised.
c) With the switch in the centre position the heating would be OFF except for frostprotection (for use during holidays etc).
6.2 Thermostats
a) Frost (night set-back) Thermostat
The frost (night set-back) thermostat should be set low (0°C - 5°C) and operatesoutside clock settings.
b) Day Thermostat
The day thermostat is set to the desired occupancy temperature and operatesduring clock settings.
5
AMST1 GB EN 9711A
7. SETTING OF DIGITAL TIME SWITCH
Fig. 2 Time Switch
7.1 General
The timer enables 8 ON and 8 OFF switch selections to be made automatically by settingthe day, time of day and selecting the ON and OFF periods required. Features include asoft override function and a permanent ON override or permanent OFF override functions.
7.2 Access to the Program Dial for Time Setting
To gain access to the program dial for time setting, remove the clear plastic cover by liftingoff.
7.3 Setting Day of Week and Time of Day (refer to Fig 2).
To prepare the module for programming, clear the memory by pressing the button marked‘R’. Slide the ‘RUN’ button to the left marked ‘ ’. Press the ‘Day’ button until the blacktriangle indicates the current day of the week. Use the ‘HR’ and ‘MIN’ buttons to set thehours and minutes to the actual time.
Rapid selection can be achieved by continuously holding down the HR or MIN buttons.Slide the ‘RUN’ button back to the centre position.
7.4 Planning a Program
A program is a pair of ON/OFF settings, which will dictate when the heater will switch ON orOFF. Up to 8 ON/OFF settings may be programmed. Odd numbers are program ‘ON’ andindicated by a ‘ ’, even numbers are program ‘OFF’.
Multiple days can be programmed by continuous depressing of the ‘DAY’ button. Thesesettings can be individual days, Monday to Friday, Monday to Saturday, Monday to Sundayor Saturday and Sunday only.
To program slide the ‘RUN’ button to the right marked ‘p’. Using the ‘DAY’ ‘HR’ and ‘MIN’buttons, set the first ON program. Depress the button ‘p’ (situated to the left of the daybutton) to confirm the setting and program 2 will appear. Set the OFF program time andday(s).
Continue until programs are complete. Slide the ‘RUN’ button back to the centre position(there is no need to go through all non-used programs). The clock settings and programsettings are not complete.
6
AMST1 GB EN 9711A
7.5 Manual Override
Under normal circumstances the ‘AUTO’ button will be the centre position. There are threefacilities for override.
1. CONSTANT ON Slide the auto button to the left indicated ‘I’. The air heater(s) will operate in a constant on state but de-
pendent on stat temperature.
2. CONSTANT OFF Slide the Auto button to the right indicated ‘O’. The air heaters will not operate unless in a frost condi-
tion.
3. SOFT OVERRIDE Depress button ‘ ’ at any time during a cycle. This willchange the current status to it’s opposite i.e. On to Off.
8. COMMISSIONING AND TESTING
NOTE
Ensure that all external electrical connections have been made and that a mains electricalsupply is provided to the unit.
8.1 Functional Tests
After setting the clock, carry out the following checks :
a) Ensure Heat/Vent switch is set to ‘HEAT’.
b) Set clock program constant override to position ’I’.
c) Turn Day thermostat control clockwise until ‘Heater On’ indicator lights. This willoccur once the thermostat setting exceeds the ambient space temperature.
d) Slide clock programming constant override to position ‘O’. ‘Heater ON’ indicatorextinguishers. Turn ‘Frost’ thermostat clockwise until ‘Heater ON’ indicator lights.Turn ‘Frost’ thermostat anti-clockwise until ‘Heater ON’ indicator extinguishes.
e) Slide clock program override to ‘AUTO’. Press soft override button marked ‘ ’.This will be displayed to LED. ‘Heater ON’ indicator lights. Turn the day thermostatto a low setting. ‘Heater ON’ indicator extinguishes. Press soft override button -‘ ’ disappears from LED.
f) Set ‘HEAT/VENT’ switch to ‘VENT’. Check that the heater fan operates but that theburner is not lit and that ‘Heater On’ indicator does not illuminate.
g) Adjust thermostats (and switch settings on clock) to clients’ requirements. Ensurethat any clock override(s) are re-set to appropriate position to suit program.
7
AMST1 GB EN 9711A
9. HANDING OVER TO THE USER
Explain the principles involved in setting up the time switch and demonstrate the operationof the unit.
9.1 Normal Automatic Operation
The clock should indicate the correct current time and day of the week. The ‘Heating ON’indicator will be illuminated when the thermostat is calling for heat and the clock switchingstatus is ‘ON’ (or in ‘constant ON’ or soft override ‘ON’).
9.2 Frost Protection Operation
During the ‘OFF’ periods, the heater will operate when the temperature falls below the frostthermostat setting.
8
AMST1 GB EN 9711A
10. WIRING DIAGRAM
NL
34
51
2F
E
G
G. '
HEA
T O
N' L
AMP
CO
MM
ON
(HEA
T/VE
NT)
VEN
TILA
TIO
N C
ON
TRO
L C
IRC
UIT
LOC
KOU
T R
ESET
*LO
CKO
UT
IND
ICAT
ION
*
BR BL O R W Y BR BK
BRBKOBK
BL
BL
BLBL
BL
BR
O
G
BR
YR
BRBK
W
G
BKBRYBL R
W
OBR
- BLA
CK
- YEL
LOW
- BR
OW
N
- RED
- WH
ITE
- OR
ANG
E
- BR
OW
N- B
LUE
G- G
REY
KEY
:
AS1
WIR
ING
DIA
GR
AM
H. F
USE
C
F. 'M
AIN
S O
N' L
AMP
E. L
OC
KOU
T R
ESET
SW
ITC
H
D. H
EAT/
VEN
T/FR
OST
SW
ITC
H
A. T
IME
SWIT
CH
C. F
RO
ST S
TAT
B. R
OO
M S
TAT
VEN
T
DH
EAT
A
1 32
H
2 128 4 37
1 32
B
HEA
TER
CO
NTR
OL
CIR
CU
IT
CO
NST
ANT
FAN
*N
EUTR
ALLI
VE
IMPORTANT WARNING :
WHEN A POWER VENTER FLUE FAN UNIT IS SUPPLIED, DO NOT WIRE AS SHOWN ABOVEBUT USE WIRING CONNECTIONS SHOWN IN INSTRUCTIONS SUPPLIED WITH VENTER.
9
AMST1 GB EN 9711A
The following pages are a selection of interconnection wiring detailsbetween the heater and the AS1 control panel.
Please refer to the table below to find which interconnection diagramyou need to use.
If the wiring diagram number you need is not listed, please consult theReznor Technical Department.
Please ignore the sections showing ‘AS1’ or ‘Other Controls’ wiring.
Heater Model Type Heater Wiring DiagramNumber
Refer to InterconnectionDrawing Number
UL and X1000 Series A16---60A, B or C Z16X600AX1000R (Reflex) Series V16---60A Z16X600AUL and X1000 Series A16---61D or E Z16X600AUL and X1000 Series A16—360A or B Z16X300AUL and X1000 Series A16—361D Z16X300A
UA, B & C Series 30000E EMA05-1XA, B, D & E Series 30001E & 30001E/1 EMA05-1XA, B, D & E Series 30001EM EMA05-1XA, B, D & E Series 30002E, /1 & /2 EMA05-1XA, B, D & E Series 30005E & /1 EMA05-1
C4000 Series U16—1A Z16C300AUDSA Series (V3) B16—1B Z16V300B
T2000 & RPV2000 Series C16—61A, B or C Z16T300AT2000 Series C16—61A, B or C Z16T300AUCA Series I16—50A Z16X600AUPA Series H16---1A Z16V300B
10
546551
14
1
123N 17
2 5 6 9 10
11 30 24
109
Heater terminals
Controls terminals
6542
(* - When aReznor controlpanel is notused)
1 or 3 Phase PermanentMains Supply
Reznor UKTel: 01303 259141Fax: 01303 850002e-mail: sales@reznor.co.uk
Drawing No:Z16X600A-UK
Room
/Duct
thermostat
Fan only facility
Thermistor Room or Duct Sensor
757473
51
J3
J2
4
J2J1 J3
Euroventer 90-6
55
J2J1
76
J3
Other Controls*AS1 Energymizor Mk3
External Controls
52
Heater Wiring For:X1000 & UCA SeriesPermanent PilotSingle Stage
Date: 22.10.03 3 Phase415v 50Hz
1 Phase240v 50Hz
MainsIsolator
Power Supply
J2J1
9 10 12
15
1
2
L1
L2
L3
N
Euroventer 90-6
Notes:1. Remove l ink wires shown dotted.2. Retain/insert l ink wires shown sol id.3. Terminals shown may not be in numerical order. Unused terminals may not be shown at al l.4. 1 Phase supply cable 2.5mm minimum.5. 3 Phase supply cable dependant upon motor rating.6. Controls cables 0.75mm for up to 200 metre run.7. Energymizor Sensor cable 0.25mm (screened)8. Master/s lave cable 0.1mm, bel l wire type (no screen necessary)9. Electrical isolator must be installed within 1 metre of the appliance10. Fuse rating must be suffic iently s ized to handle heater & motor loadings.11. If in doubt contact the Technical Department on T: 01303 259141* Remove only when instal ling a Euroventer
Tim
e control
Legend:
240v240v
240v
LowVoltage
240vL
1
Slave / Master Connections (If Required)
3123
11
210546551
284123N
109
14
1
17
2 5 6 9 10
11 30 24 13 16 11
PermanentMains Supply
J5*J5*
11 1213
Thermistor Room or Duct Sensor
757473
4
J2J1
76 2328
Heater terminals
Controls terminals
6542
Reznor UKTel: 01303 259141Fax: 01303 850002e-mail: sales@reznor.co.uk
Drawing No:Z16X300A-UK
Room/Duct
thermostat
Lock-out reset
Fan only facility
9
535455
J5* J5*
J2J2J1
Lock-out lamp
(240v)
Euroventer 90-6
52
Other ControlsAS1 Energymizor Mk3
External Controls
51
2
Heater Specification:X1000HSISingle Stage
Date: 22.5.02 3 Phase415v 50Hz
1 Phase240v 50Hz
MainsIsolator
Power Supply
J2J1
2 11 12 13
1
2
L1
L2
L3
N
Euroventer 90-6
Notes:1. Remove l ink wires shown dotted.2. Retain/insert l ink wires shown solid.3. Terminals shown may not be in numerical order. Unused terminals may not be shown at al l .4. 1 Phase supply cable 2.5mm minimum.5. 3 Phase supply cable dependant upon motor rating.6. Controls cables 0.75mm for up to 200 metre run.7. Energymizor Sensor cable 0.25mm (sc reened)8. Master/s lave cable 0.1mm, bell wire type (no screen necessary )9. Elec trical isolator must be installed within 1 metre of the appliance10. Fuse rating mus t be suffic iently s ized to handle heater & motor loadings .11. If in doubt contact the Technical Department on T: 01303 259141* Remove only when ins tal l ing a Euroventer
Time control
Legend:
240v
240v
240vL
1
3115
240v
LowVoltage Slave / Master
C onnections (If Required)
12
64121165
14
1
213N 17
2 5 611 12
11 30 24
1211
Heater terminals
Controls terminals
8642
(* - When aReznor controlpanel is notused)
PermanentMains Supply
Reznor UKTel: 01303 259141Fax: 01303 850002e-mail: sales@reznor.co.uk
Drawing No: EMA05-1
24v Room
/Duct
thermostat
Fan only facility
Thermistor Room or Duct Sensor
757473
51
J3
J3
4
J2J1 J2
Euroventer 90-6
54
J1
76
J2
Other Controls*AS1 Energymizor Mk3
External Controls
52
8
3 Phase415v 50Hz
1 Phase240v 50Hz
MainsIsolator
Power Supply
J2J1
6 8 9Heater Type:XA, B, D & E SeriesPermanent PilotSingle Stage
Date: 15.10.03
J3
55
2
53
113
15
1
2
L1
L2
L3
N
Euroventer 90-6
3
Notes:1. Remove link wires shown dotted.2. Retain/insert l ink wires shown sol id.3. Terminals shown may not be in numerical order. Unused terminals may not be shown at al l.4. 1 Phase supply cable 2.5mm minimum.5. 3 Phase supply cable dependant upon motor rating.6. Controls cables 0.75mm for up to 200 metre run.7. Energymizor Sensor cable 0.25mm (screened)8. Master/s lave cable 0.1mm, bell wire type (no screen necessary)9. Electrical isolator must be installed within 1 metre of the appl iance10. Fuse rating must be suffic iently s ized to handle heater & motor loadings.11. If in doubt contact the Technical Department on T: 01303 259141* Remove only when ins tall ing a Euroventer
Tim
e control(240v)
Legend:
240v240v
24/240v
LowVoltage
24/240v
Slave / Master Connections ( If R equired)
3123L
5
13
210546551
14
1
284123N 17
2 5 6 9 10
11 30 24 13 16 11
109
Heater terminals
Controls terminals
6542
Reznor UKTel: 01303 259141Fax: 01303 850002e-mail: sales@reznor.co.uk
Drawing No:Z16C300A-UK
Room/Duct
thermostat
Lock-out reset
Fan only facility
Thermistor Room or Duct Sensor
9
757473
J2
4
J2J1
Lock-out lamp
(240v)
J2J1
76
Other ControlsAS1 Energymizor Mk3
External Controls
2
Heater Specification:C4000 & RHC4000/8000Single Stage
Date: 3.7.02
2328
3 Phase415v 50Hz
MainsIsolator
Power Supply
J2J1
15
1
2
31
L1
L2
L3
N
1 Phase240v 50Hz
Notes:1. Remove l ink wires shown dotted.2. Retain/insert l ink wires shown solid.3. Terminals shown may not be in numerical order. Unused terminals may not be shown at all.4. 1 Phase supply cable 2.5mm minimum.5. 3 Phase supply cable dependant upon motor rating.6. Controls cables 0.75mm for up to 200 metre run.7. Energymizor Sensor cable 0.25mm (screened)8. Master/s lave cable 0.1mm, bell wire type (no screen necessary)9. Electrical isolator must be installed within 1 metre of the appliance10. Fuse rating must be suffic iently s ized to handle heater & motor loadings.11. If in doubt contact the Technical Department on T: 01303 259141 Tim
e control
Legend:
240v240v
LowVoltage
240vL
1
Slave / Master Connections (If Required)
PermanentMains Supply
14
Heater terminals
Controls terminals
N10346531
14
1
30
N 4 5 6 9
11 17 23 24 13 16
Room/Duct
thermostat
Lock-out reset
Fan only facility
Thermistor Room or Duct Sensor
Reznor UKTel: 01303 259141Fax: 01303 850002e-mail: sales@reznor.co.uk
Drawing No:Z16V300B-UK
910
757473
3
Lock-out lamp
(240v)
J2J1
76
(* - When aReznor controlpanel is notused)
AS1
J1 J2J'
N 3 4 6 9 10
N 32 1 4 28
Heater Wiring For:UDSA (V3) & UPA SeriesOn/Off Burner Control
Date: 22.10.03 Mains Isolator -Must be installed within1 metre of the appliance
Power Supply
Other Controls *Energymizor Mk3
External Controls
N
2928
L
J2J1
15 31
1 Phase240v 50Hz N
L
J'
Notes:
1. Remove link wires shown dotted.2. Retain/insert l ink wires shown solid.3. Terminals shown may not be in numerical order. Unused terminals may not be shown at al l.4. 1 Phase supply cable 2.5mm minimum.5. Controls cables 0.75mm for up to 200 metre run.6. Energymizor Sensor cable 0.25mm (screened)7. Master/slave cable 0.1mm, bell wire type (no screen necessary)8. Fuse rating must be suffic iently s ized to handle heater & motor loadings.9. If in doubt contact the Technical Department on T: 01303 259141
Legend:
Time control
240v
LowVoltage
240v
Reznor
PermanentMains Supply
Slave / Master Connections ( If Required)
1 5L
L
240v
15
210546551
14
1
284123N 17
2 5 6 9 10
11 30 24 13 16 11
109
Heater terminals
Controls terminals
6542
Reznor UKTel: 01303 259141Fax: 01303 850002e-mail: sales@reznor.co.uk
Drawing No:Z16T300A-UK
Room
/Ducttherm
ostat
Lock-out reset
Fan only facility
Thermistor Room or Duct Sensor
9
75
3 Phase415v 50Hz
MainsIsolator
Power Supply
1
2
L1
L2
7473
J2
4
J2J1
Lock-out lamp
(240v)
J2J1
76
Other ControlsAS1 Energymizor Mk3
23
External Controls
2
Heater Specification:T2000HSISingle Stage
Date: 21.5.02
28
J2J1
3115
Notes:1. Remove link wires shown dotted.2. Retain/insert l ink wires shown sol id.3. Terminals shown may not be in numerical order. Unused terminals may not be shown at al l.4. 1 Phase supply cable 2.5mm minimum.5. 3 Phase supply cable dependant upon motor rating.6. Controls cables 0.75mm for up to 200 metre run.7. Energymizor Sensor cable 0.25mm (screened)8. Master/s lave cable 0.1mm, bell wire type (no screen necessary)9. Elec trical isolator must be ins talled within 1 metre of the appliance10. Fuse rating must be suffic iently s ized to handle heater & motor loadings.11. If in doubt contact the Technical Department on T: 01303 259141
Tim
e control
Legend:
240v240v
LowVoltage
240vL
1
Slave / Master Connections (If Required)
L3
N
1 Phase240v 50Hz
16
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