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Tables C: Air Turnover Cooling Unit with Filtration Performance Information
Tables B: Air Turnover Heating Unit with Filtration Performance Information
(Additional congurations are available upon request.)
AT-136
CFM Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
4,500 1 (1 motor) 240 450 49 to 93 2,425
9,000 3 (1 motor) 240 450 25 to 46 2,505
12,000 5 (1 motor) 240 450 19 to 35 2,520
AT-148
CFM Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
10,000 3 (1 motor) 240 450 22 to 42 3,455
16,000 5 (1 motor) 240 750 14 to 43 3,470
AT-154
CFM Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
14,000 3 (1 motor) 240 450 16 to 30 4,080
22,000 5 (1 motor) 240 750 10 to 32 4,140
30,000 10 (1 motor) 520 1,000 16 to 31 4,210
30,000 10 (1 motor) 560 1,250 17 to 39 4,420
AT-236
CFM Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
9,000 1 (2 motors) 240 450 25 to 46 4,145
18,000 3 (2 motors) 240 750 12 to 39 4,240
24,000 5 (2 motors) 520 1,000 20 to 39 4,270
AT-242
CFM Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
21,000 3 (2 motors) 240 750 11 to 33 5,240
31,000 5 (2 motors) 520 1,000 16 to 30 5,270
31,000 5 (2 motors) 560 1,250 17 to 37 5,445
AT-248
CFM Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
22,000 3 (2 motors) 240 750 10 to 32 6,190
35,000 5 (2 motors) 520 1,000 14 to 26 6,345
45,000 7.5 (2 motors) 560 1,250 12 to 26 6,575
45,000 7.5 (2 motors) 560 1,500 12 to 31 6,730
AT-254
CFM Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
40,000 5 (2 motors) 560 1,750 13 to 41 7,870
60,000 10 (2 motors) 600 2,250 9 to 35 8,310
65,000 10 (2 motors) 600 2,500 9 to 36 8,560
AT-260
CFM Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
54,000 5 (2 motors) 600 3,000 10 to 51 11,070
61,000 7.5 (2 motors) 720 4,000 11 to 61 11,335
74,000 10 (2 motors) 720 4,000 9 to 50 11,385
AT-272
CFM Motor (HP)
Output
(MBH)
Minimum
Output
(MBH)
Maximum
Temp. Rise
Range (°F)
Base Unit
Weight
(lbs.)
62,000
7.5 (2 mo-
tors)
600 3,000 9 to 45 12,160
88,000 10 (2 motors) 720 4,500 8 to 47 12,385
100,000
15 (2 motors) 720 4,500 7 to 42 12,515
AT-136
CFM Motor (HP) Base Unit Weight (lbs.)
4,500 1 (1 motor) 2,425
9,000 3 (1 motor) 2,505
12,000 5 (1 motor) 2,520
AT-148
CFM Motor (HP) Base Unit Weight (lbs.)
10,000 3 (1 motor) 3,455
16,000 5 (1 motor) 3,470
AT-154
CFM Motor (HP) Base Unit Weight (lbs.)
14,000 5 (1 motor) 4,080
22,000 5 (1 motor) 4,140
30,000 10 (1 motor) 4,210
30,000 10 (1 motor) 4,420
AT-236
CFM Motor (HP) Base Unit Weight (lbs.)
9,000 2 (1 motors) 4,145
18,000 3 (2 motors) 4,240
24,000 5 (2 motors) 4,270
AT-242
CFM Motor (HP) Base Unit Weight (lbs.)
21,000 3 (2 motors) 5,240
31,000 5 (3 motors) 5,270
31,000 5 (3 motors) 5,445
AT-248
CFM Motor (HP) Base Unit Weight (lbs.)
22,000 3 (2 motors) 6,190
35,000 5 (2 motors) 6,345
45,000 7.5 (2 motors) 6,575
45,000 7.5 (2 motors) 6,730
AT-254
CFM Motor (HP) Base Unit Weight (lbs.)
40,000 5 (2 motors) 7,870
60,000 10 (2 motors) 8,310
65,000 10 (2 motors) 8,560
AT-260
CFM Motor (HP) Base Unit Weight (lbs.)
54,000 5 (2 motors) 11,070
61,000 7.5 (2 motors) 11,335
74,000 10 (2 motors) 11,385
AT-272
CFM Motor (HP) Base Unit Weight (lbs.)
62,000 7.5 (2 motors) 12,160
88,000 10 (2 motors) 12,385
100,000 15 (2 motors) 12,515
(For cooling applications, consult factory. Base Unit Weights do not account for inclusion of cooling coils or exclusion of heat exchanger.
Additional congurations are available upon request.)