Blower Performance; Ton Standard Motor Down Shot Blower Performance; Ton Optional Motor Down Shot Blower Performance - York PREDATOR DM090 Installation Manual

035-17311-003-A-0704
TABLE 17: 7-1/2 TON STANDARD MOTOR DOWN SHOT BLOWER PERFORMANCE
‡
0
ESP
††
CFM BHP
W
0.2 - - -
0.4 3650 1657 1.78
0.6 3334 1522 1.63
0.8
2903 1352 1.45
1.0
2356 1159 1.24
*.
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.
**.
"Turns Open" refers to the setting of the variable pitch motor sheave, where "0 Turns Open" is fully closed.
††.
W = Watts
TABLE 18: 7-1/2 TON OPTIONAL MOTOR DOWN SHOT BLOWER PERFORMANCE
‡
0
ESP
††
CFM BHP
W
0.2
- - -
0.4
- - -
0.6
- - -
0.8
- - -
1.0 4126 2430 2.61
1.2 3613 2238 2.40
1.4 3099 2039 2.19
1.6
2586 1833 1.97
*.
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.
**.
"Turns Open" refers to the setting of the variable pitch motor sheave, where "0 Turns Open" is fully closed.
††.
W = Watts
Unitary Products Group
1
††
CFM BHP CFM
W
3715 1573 1.69 3634
3510 1490 1.60 3320
3146 1351 1.45 2910
2622 1167 1.25 2404
- - - -
1
††
CFM BHP CFM
W
- - - -
- - - -
- - - 3947
4138 2384 2.56 3623
3643 2145 2.30 3224
3143 1921 2.06 2748
2636 1714 1.84 2195
- - - -
**
TURNS OPEN
2 3
†† ††
BHP CFM
W W
1434 1.54 3431 1265
1313 1.41 3079 1145
1169 1.25 2621 1005
1013 1.09 2054 858
- - - -
**
TURNS OPEN
2 3
†† ††
BHP CFM
W W
- - - -
- - 3930 2017
2176 2.33 3670 1895
2009 2.15 3323 1742
1820 1.95 2889 1569
1621 1.74 2369 1385
1424 1.53 - -
- - - -
* †
4
††
BHP CFM BHP
W
1.36 3218 901 0.97
1.23 2832 810 0.87
1.08 2307 706 0.76
0.92 - - -
- - - -
* †
4
††
BHP CFM BHP
W
- 3992 1904 2.04
2.16 3734 1786 1.92
2.03 3394 1641 1.76
1.87 2971 1477 1.58
1.68 2466 1306 1.40
1.49 - - -
- - - -
- - - -
5
††
CFM BHP
W
3024 976 1.05
2586 860 0.92
- - -
- - -
- - -
5
††
CFM BHP
W
3798 1679 1.80
3486 1552 1.66
3084 1401 1.50
2591 1236 1.33
- - -
- - -
- - -
- - -
25