I N T R O D U C T I O N Typically used in roof mounted clean-air exhaust applications. ACE available in 8 direct drive sizes and 21 belt drive sizes. Capacities range from 100 to 32,300 CFM, with static pres- sures from 0 to 1-1/2 inches. ACE Downblast Centrifugal Exhaust Ventilator Cook power roof and wall ventilators provide maximum performance and durability in a wide variety of commercial and industrial air moving applications. Exhaust applications include general ventilation, fume-hood, paint booth and smoke control systems. AC unit top cap assembly is designed to provide weather protection for the motor and drive components while maintaining easy, tool free access for inspection and maintenance. Standard lifting lugs, located under the top cap, provide for safe, fast and efficient lifting of the unit to a rooftop. One piece fan base, which includes a high-efficiency inlet venturi and continuously welded curb cap corners, insures weathertight conditions. Spun aluminum baffle is designed to provide smooth, turbulent-free airflow. Wheels are centrifugal type featuring non-overloading, backward-inclined blades and a tapered inlet shroud. Accurate performance is assured through compliance with the AMCA Certified Ratings Program. All units are licensed to bear the AMCA Certified Ratings Seal for Air and Sound Performance. Fan Size 60 through 540 Model C - ACEB R - ACRUB RH - ACRUB-HP RX - ACRUB-XP W - ACWB WH - ACWB-HP WX - ACWB-XP SC - ACSC SCH - ACSC-HP SCX - ACSC-XP 150 C 4 B Belt Drive Motor HP 2=1/6 3=1/4 4=1/3 5=1/2 6=3/4 7=1 8=1-1/2 9=2 10=3 11=5 12=7-1/2 13=10 Fan Size 70 through 180 Model C - ACED R - ACRUD RH - ACRUD-HP RX - ACRUD-XP W - ACWD WH - ACWD-HP WX - ACWD-XP 100 C 15 D H Wheel Type (70-100 Only) H - High Flow M - Medium Flow L - Low Flow Direct Drive Motor RPM 10=1075 11=1140 13=1300 15=1550 17=1725 Model Number Chart Direct Drive Models Belt Drive Models
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AC catalog A Jan 2006 - James Electric | All the parts. All the ... B C A G T Sq. Downblast Centrifugal Exhaust Ventilator Roof Mounted Belt Drive Specifications and Dimension Data
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INTRODUCTION
Typically used in roof mounted clean-air exhaust applications.
ACE available in 8 direct drive sizes and 21 belt drive sizes.Capacities range from 100 to 32,300 CFM, with static pres-sures from 0 to 1-1/2 inches.
ACEDownblast Centrifugal Exhaust Ventilator
Cook power roof and wall ventilators provide maximum performance and durability in a wide variety of commercial and industrial airmoving applications. Exhaust applications include general ventilation, fume-hood, paint booth and smoke control systems.
AC unit top cap assembly is designed to provide weather protection for the motor and drive components while maintaining easy, toolfree access for inspection and maintenance.Standard lifting lugs, located under the top cap, provide for safe, fast and efficient lifting of the unit to a rooftop.One piece fan base, which includes a high-efficiency inlet venturi and continuously welded curb cap corners, insures weathertightconditions.Spun aluminum baffle is designed to provide smooth, turbulent-free airflow.Wheels are centrifugal type featuring non-overloading, backward-inclined blades and a tapered inlet shroud.Accurate performance is assured through compliance with the AMCA Certified Ratings Program. All units are licensed to bear theAMCA Certified Ratings Seal for Air and Sound Performance.
Type ACEB is furnished stan-dard with UL 705 and cUL 705listings (Power Ventilator/ZACT) when furnished withfactory supplied motor.
Loren Cook Company certifies thatthe ACEB shown herein is licensedto bear the AMCA Seal. The ratingsshown are based on tests and proce-dures performed in accordance withAMCA Publication 211 and AMCAPublication 311 and comply with therequirements of the AMCA CertifiedRatings Program.
Description - Fan shall be a spun aluminum, roof mounted, belt driven, downblastcentrifugal exhaust ventilator.
Certifications - Fan shall be manufactured at an ISO 9001 certified facility. Fan shallbe listed by Underwriters Laboratories (UL 705) and UL listed for Canada (cUL705). Fan shall bear the AMCA Certified Ratings Seal for Sound and Air Perfor-mance.
Construction - Fan shall be of bolted and welded construction utilizing corrosionresistant fasteners. The spun aluminum structural components shall be con-structed of minimum 16 gauge marine alloy aluminum, bolted to a rigid aluminumsupport structure. The aluminum base shall have continuously welded curb capcorners for maximum leak protection. The discharge baffle shall have a rolledbead for added strength. A two piece top cap shall have stainless steel quickrelease latches to provide access into the motor compartment without the use oftools. An integral conduit chase shall be provided through the curb cap and intothe motor compartment to facilitate wiring connections. The motor, bearings anddrives shall be mounted on a minimum 14 gauge steel power assembly, isolatedfrom the unit structure with rubber vibration isolators. These components shall beenclosed in a weather-tight compartment, separated from the exhaust airstream.Lifting lugs shall be provided to help prevent damage from improper lifting. Unitshall bear an engraved aluminum nameplate. Nameplate shall indicate designCFM, static pressure and maximum fan RPM. Unit shall be shipped in ISTA Certi-fied Transit Tested Packaging.
Wheel - Wheel shall be centrifugal backward inclined, constructed of 100 percent alu-minum, including a precision machined cast aluminum hub. Wheel inlet shall over-lap an aerodynamic aluminum inlet cone to provide maximum performance andefficiency. Wheel shall be balanced in accordance with AMCA Standard 204-96,Balance Quality and Vibration Levels for Fans.
Motor - Motor shall be heavy duty type with permanently lubricated sealed ball bear-ings and furnished at the specified voltage, phase and enclosure.
Bearings - Bearings shall be designed and individually tested specifically for use in airhandling applications. Construction shall be heavy duty regreasable ball type in acast iron pillowblock housing selected for a minimum L50 life in excess of 200,000hours at maximum cataloged operating speed.
Belts and Drives - Belts shall be oil and heat resistant, non-static type. Drives shall beprecision machined cast iron type, keyed and securely attached to the wheel andmotor shafts. Drives shall be sized for 150 percent of the installed motor horse-power. The variable pitch motor drive must be factory set to the specified fan RPM.
Product - Fan shall be model ACEB as manufactured by Loren Cook Company ofSpringfield, Missouri.
Performance certified is for Installation Type A: free inlet, free outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects of appurtenances (accessories) in the airstream. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Standard 301. Values shown are for Installation Type A: free inlet fan sone levels. *1/6 & 1/4 HP motor available only in single phase ODP type.
Performance certified is for Installation Type A: free inlet, free outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects ofappurtenances (accessories) in the airstream. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Stan-dard 301. Values shown are for Installation Type A: free inlet fan sone levels. *1/6 & 1/4 HP motor available only in single phase ODP type.
Material GaugesTop Cap Lid - .050Top Cap Cylinder - .040Baffle - .063Base - .063
FLOW (CFM)
STA
TIC
PR
ESSU
RE
(In W
.G.)
0 500 1000 1500 2000 2500
1.50
1.20
0.90
0.60
0.30
0
1574 RPM
.167 HP
850 RPM
.25 HP
1494 RPM .334 HP 1414 RPM
1334 RPM
1254 RPM
1174 RPM
1094 RPM 1014 RPM
2-3/16”
28-7/16”
27-1/4”
2”20”
100 ACEB
120 ACEB
135 ACEB
Performance certified is for Installation Type A: free inlet, free outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects of appurtenances (accessories) in the airstream. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Stan-dard 301. Values shown are for Installation Type A: free inlet fan sone levels.
Performance certified is for Installation Type A: free inlet, free outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects ofappurtenances (accessories) in the airstream. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Stan-dard 301. Values shown are for Installation Type A: free inlet fan sone levels.
Material GaugesTop Cap Lid - .050 Top Cap Cylinder - .040Baffle - .063Base - .080
FLOW (CFM)
STAT
IC P
RES
SUR
E (In
W.G
.)
0 1200 2400 3600 4800 6000
3.00
2.40
1.80
1.20
0.60
0
1513 RPM
.167 HP 645 RPM
.25 HP
1417 RPM
.334 HP
1321 RPM
.5 HP
1225 RPM
.75 HP
1129 RPM
1 HP 1033 RPM
1.5 HP
937 RPM
2 HP
841 RPM
3-15/16”
37-11/16”
34-1/2”
3”30”
150 ACEB
165 ACEB
180 ACEB
Performance certified is for Installation Type A: free inlet, free outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects of appurtenances (accessories) in the airstream. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Stan-dard 301. Values shown are for Installation Type A: free inlet fan sone levels. *1/6 & 1/4 HP motor available only in single phase ODP type.
Performance certified is for Installation Type A: free inlet, free outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects ofappurtenances (accessories) in the airstream. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Stan-dard 301. Values shown are for Installation Type A: free inlet fan sone levels.
Material GaugesTop Cap Lid - .063 Top Cap Cylinder - .040Baffle - .080Base - .080
195 ACEB
210 ACEB
225 ACEB
Performance certified is for Installation Type A: free inlet, free outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects of appurtenances (accessories) in the airstream. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Stan-dard 301. Values shown are for Installation Type A: free inlet fan sone levels.
Performance certified is for Installation Type A: free inlet, free outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects ofappurtenances (accessories) in the airstream. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Stan-dard 301. Values shown are for Installation Type A: free inlet fan sone levels.
Material GaugesTop Cap Lid - .063 Top Cap Cylinder - .050Baffle - .080Base - .080
7-1/16”
52-5/8”
49-1/16”
3”36”
245 ACEB
270 ACEB
300 ACEB
Performance certified is for Installation Type A: free inlet, free outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects of appurtenances (accessories) in the airstream. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Stan-dard 301. Values shown are for Installation Type A: free inlet fan sone levels. Shaded area indicates reinforced wheel required.
Performance certified is for Installation Type A: free inlet, free outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects ofappurtenances (accessories) in the airstream. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Stan-dard 301. Values shown are for Installation Type A: free inlet fan sone levels. Shaded area indicates reinforced wheel required.
Material GaugesTop Cap Lid- .063Top Cap Cylinder- .050Baffle - .080Base - .080
10-1/16”
62-5/8”
53-9/16”
3”48” FLOW (CFM)
STAT
IC P
RES
SUR
E (In
W.G
.)
0 4500 9000 13500 18000 22500
1.75
1.40
1.05
0.70
0.35
0
550 RPM
.75 HP
289 RPM
1 HP
521 RPM
1.5 HP
492 RPM
2 HP
463 RPM
3 HP
434 RPM
5 HP
405 RPM 376 RPM 347 RPM
330 ACEB
365 ACEB
402 ACEB
Performance certified is for Installation Type A: free inlet, free outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects of appurtenances (accessories) in the airstream. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Stan-dard 301. Values shown are for Installation Type A: free inlet fan sone levels. Shaded area indicates reinforced wheel required.
Performance certified is for Installation Type A: free inlet, free outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects ofappurtenances (accessories) in the airstream. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Stan-dard 301. Values shown are for Installation Type A: free inlet fan sone levels. Shaded area indicates reinforced wheel required.
Material GaugesTop Cap Lid- .063Top Cap Cylinder- .050Baffle - .080Base - .080
FLOW (CFM)
STAT
IC P
RES
SUR
E (In
W.G
.)
0 7000 14000 21000 28000 35000
1.50
1.20
0.90
0.60
0.30
0
403 RPM
234 RPM 1.5 HP
382 RPM
2 HP
363 RPM
3 HP
344 RPM 5 HP 325 RPM
7.5 HP
306 RPM 287 RPM 268 RPM
12-1/2”
81-15/16”
60-5/16”
3”66”
445 ACEB
490 ACEB
540 ACEB
Performance certified is for Installation Type A: free inlet, free outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects of appurtenances (accessories) in the airstream. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Stan-dard 301. Values shown are for Installation Type A: free inlet fan sone levels. Shaded area indicates reinforced wheel required.
Performance certified is for Installation Type A: free inlet, free outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects ofappurtenances (accessories) in the airstream. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Stan-dard 301. Values shown are for Installation Type A: free inlet fan sone levels. Shaded area indicates reinforced wheel required.