Blower Performance 12-1/2 Ton - Downshot - York PREDATOR DM120 Technical Manual
Single package air conditioners and single package gas/electric units 7-1/2, 10, 12-1/2 nominal tons 9.0 - 10.0 eer 380/415-3-50
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Also See for PREDATOR DM120:
- Installation manual (60 pages) ,
- Technical manual (48 pages) ,
- Installation instruction (45 pages)
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TABLE 31: BLOWER PERFORMANCE 12-1/2 TON - DOWNSHOT (IMPERIAL)
ESP
0
(iwg)
CFM
Watts
BHP
0.4
5576
4015
4.32
0.6
5376
3839
4.12
0.8
5155
3652
3.92
1.0
3.71
4915
3456
1.2
4653
3253
3.49
1.4
3.27
4372
3046
1.6
3.04
4070
2837
1.8
2.82
3748
2629
TABLE 32: BLOWER PERFORMANCE 12-1/2 TON - DOWNSHOT (METRIC)
ESP
0
(Pa)
In
Out
3
m
/s
(kW)
(kW)
100
2.63
4.01
3.21
149
2.54
3.84
3.07
199
2.43
3.65
2.92
249
2.32
3.46
2.76
299
2.20
3.25
2.60
349
2.06
3.05
2.44
399
1.92
2.84
2.27
448
1.77
2.63
2.10
NOTES FOR TABLES 13 THROUGH 32:
•
"Turns Open" refers to the setting of the variable pitch
motor sheave, where "0 Turns Open" is fully closed.
•
Blower performance includes dry coil and 2" (51mm)
throw-away filters.
•
Blower performance for gas heat includes the maximum
number of heat tubes available for each tonnage.
•
ESP (External Static Pressure) given is that available for
the supply and return air duct system. All internal resis-
tances have been deducted from the total static pressure
of the blower.
28
1
CFM
Watts
BHP
CFM
Watts
5370
3547
3.80
5171
3197
5147
3376
3.62
4929
3022
4908
3197
3.43
4668
2841
3.23
4651
3013
4388
2656
4377
2823
3.03
4089
2467
2.82
4087
3621
3771
2277
2.61
3780
2437
-
-
-
-
-
1
In
Out
3
3
m
/s
m
/s
(kW)
(kW)
(kW)
2.53
3.55
2.84
2.44
3.20
2.43
3.38
2.70
2.33
3.02
2.32
3.20
2.56
2.20
2.84
2.20
3.01
2.41
2.07
2.66
2.07
2.82
2.26
1.93
2.47
1.93
2.63
2.10
1.78
2.28
1.78
2.44
1.95
-
-
-
-
-
Turns Open
2
3
BHP
CFM
Watts
BHP
3.43
5007
2884
3.09
3.24
4735
2704
2.90
3.05
4411
2501
2.68
2.85
4035
2281
2.45
2.65
3608
2051
2.20
2.44
-
-
-
-
-
-
-
-
-
-
Turns Open
2
3
In
Out
In
Out
3
m
/s
(kW)
(kW)
(kW)
2.56
2.36
2.88
2.31
2.42
2.23
2.70
2.16
2.27
2.08
2.50
2.00
2.12
1.90
2.28
1.83
1.97
1.70
2.05
1.64
1.82
-
-
-
-
-
-
-
-
-
-
-
-
-
036-21044-003-A-0304
4
CFM
Watts
BHP
CFM
4721
2515
2.70
4344
4450
2353
2.52
4048
4151
2183
2.34
3717
3825
2008
2.15
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
4
In
Out
3
3
m
/s
m
/s
(kW)
(kW)
2.23
2.51
2.01
2.05
2.10
2.35
1.88
1.91
1.96
2.18
1.75
1.75
1.81
2.01
1.61
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
5
Watts
BHP
2145
2.30
1991
2.13
1829
1.96
-
-
-
-
-
-
-
-
-
-
5
In
Out
(kW)
(kW)
2.15
1.72
1.99
1.59
1.83
1.46
-
-
-
-
-
-
-
-
-
-
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