Blower Performance 12-1/2 Ton - Downshot (Imperial); Blower Performance 12-1/2 Ton - Downshot (Metric); Indoor Blower Specifications - York DM090 Installation Manual

127408-YIM-B-0606
TABLE 36: 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 3.92
5155 3652
1.0 3.71
4915 3456
1.2 3.49
4653 3253
1.4 4372 3046 3.27
1.6 4070 2837 3.04
1.8 3748 2629 2.82
TABLE 37: 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 TABLE 18 THROUGH TABLE 37:
• Blower performance includes dry coil and two-inch
filters.
• Blower performance for gas heat includes the maximum
number of heat tubes available for each tonnage.
TABLE 38: INDOOR BLOWER SPECIFICATIONS
MOTOR
MODEL
HP RPM Eff.
3 1725 80%
DM090
3 1725 80%
2 1725 80%
DM120
4 1725 80%
4 1725 87%
DM150
Unitary Products Group
1
CFM Watts BHP CFM
5370 3547 3.80 5171
5147 3376 3.62 4929
3.43
4908 3197 4668
3.23
4651 3013 4388
3.03
4377 2823 4089
4087 3621 2.82 3771
3780 2437 2.61 -
- - - -
1
In Out
3 3
m /s m /s
(kW) (kW)
2.53 3.55 2.84 2.44
2.43 3.38 2.70 2.33
2.32 3.20 2.56 2.20
2.20 3.01 2.41 2.07
2.07 2.82 2.26 1.93
1.93 2.63 2.10 1.78
1.78 2.44 1.95 -
- - - -
SF Frame Datum Dia. (in.)
1.15 56 3.4 - 4.4
1.15 56 3.4 - 4.4
1.15 56 3.4 - 4.4
1.15 184T 4.3 - 5.3
1.15 184T 4.3 - 5.3
Turns Open
2 3
Watts BHP CFM Watts
3197 3.43 5007 2884
3022 3.24 4735 2704
3.05
2841 4411 2501
2.85
2656 4035 2281
2467 2.65 3608 2051
2277 2.44 - -
- - - -
- - - -
Turns Open
2 3
In Out In
3
m /s
(kW) (kW) (kW)
3.20 2.56 2.36 2.88
3.02 2.42 2.23 2.70
2.84 2.27 2.08 2.50
2.66 2.12 1.90 2.28
2.47 1.97 1.70 2.05
2.28 1.82 - -
- - - -
- - - -
• 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.
•
MOTOR SHEAVE
Bore (in.) Model
7/8 1VM50
7/8 1VM50
7/8 1VM50
1-1/8 1VP56
1-1/8 1VP56
4
BHP CFM Watts BHP
3.09 4721 2515 2.70
2.90 4450 2353 2.52
2.68
4151 2183 2.34
2.45 3825 2008 2.15
2.20 - - -
- - - -
- - - -
- - - -
4
Out In Out
3
m /s
(kW) (kW) (kW)
2.31 2.23 2.51 2.01
2.16 2.10 2.35 1.88
2.00 1.96 2.18 1.75
1.83 1.81 2.01 1.61
1.64 - - -
- - - -
- - - -
- - - -
BLOWER SHEAVE
Datum Dia. (in.) Bore (in.)
5.5 1
5.0 1
7 1
6.2 1
6.2 1
5
CFM Watts BHP
4344 2145 2.30
4048 1991 2.13
3717 1829 1.96
- - -
- - -
- - -
- - -
- - -
5
In Out
3
m /s
(kW) (kW)
2.05 2.15 1.72
1.91 1.99 1.59
1.75 1.83 1.46
- - -
- - -
- - -
- - -
- - -
BELT
Model
AK59 A49
AK54 A49
AK74 A54
BK72 BX56
BK72 BX56
33