York 120 User Manual
035-17311-002-A-0803
28
Unitary Products Group
TABLE 23: 7-1/2 TON STANDARD MOTOR SIDE SHOT BLOWER PERFORMANCE
*
†
ESP
‡
TURNS OPEN
**
0
1
2
3
4
5
CFM
W
††
BHP
CFM
BHP
CFM
W
BHP
CFM
W
BHP
CFM
W
BHP
CFM
W
BHP
0.4
-
-
-
-
-
-
3736
1476
1.58
3487
1284
1.38
3231
1109
1.19
3001
970
1.04
0.6
-
-
-
3572
1514
1.62
3389
1339
1.44
3094
1151
1.23
2764
972
1.04
2446
824
0.88
0.8
3422
1558
1.67
3179
1364
1.46
2889
1164
1.25
2554
985
1.06
-
-
-
-
-
-
1.0
2891
1347
1.44
2372
1088
1.17
2050
922
0.99
-
-
-
-
-
-
-
-
-
1.2
2017
1051
1.13
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
*.
Blower performance for gas heat includes maximum number of heat tubes available for each tonnage.
†.
Blower performance includes two-inch throwaway filters.
‡.
ESP (External Static Pressure) given is that available for the supply and return air duct system. All internal resistances have been
deducted from the total static pressure of the blower.
deducted from the total static pressure of the blower.
**.
“Turns Open” refers to the setting of the variable pitch motor sheave, where “0 Turns Open” is fully closed.
††.
W = Watts
TABLE 24: 7-1/2 TON OPTIONAL MOTOR SIDE SHOT BLOWER PERFORMANCE
*
†
ESP
‡
TURNS OPEN
**
0
1
2
3
4
5
CFM
W
††
BHP
CFM
W
BHP
CFM
W
BHP
CFM
BHP
CFM
BHP
CFM
W
BHP
0.4
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3910
1726
1.85
0.6
-
-
-
-
-
-
-
-
-
-
-
-
3857
1842
1.98
3597
1430
1.53
0.8
-
-
-
-
-
-
-
-
-
3804
1957
2.10
3503
1689
1.81
3172
1430
1.53
1.0
-
-
-
-
-
-
3774
2088
2.24
3406
1778
1.91
3032
1497
1.61
2248
1143
1.23
1.2
-
-
-
-
-
-
3327
1866
2.00
2926
1578
1.69
2160
1217
1.31
-
-
-
1.4
-
-
-
3270
1971
2.11
2537
1544
1.66
2043
1296
1.39
-
-
-
-
-
-
1.6
3196
2077
2.23
2460
1651
1.77
-
-
-
-
-
-
-
-
-
-
-
-
1.8
2426
1768
1.90
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
*.
Blower performance for gas heat includes maximum number of heat tubes available for each tonnage.
†.
Blower performance includes two-inch throwaway filters.
‡.
ESP (External Static Pressure) given is that available for the supply and return air duct system. All internal resistances have been
deducted from the total static pressure of the blower.
deducted from the total static pressure of the blower.
**.
“Turns Open” refers to the setting of the variable pitch motor sheave, where “0 Turns Open” is fully closed.
††.
W = Watts