Specifications

035-17377-000 REV A (0201)
Unitary Products Group 33
TABLE 31: 8-1/2 TON STANDARD MOTOR DOWN SHOT BLOWER PERFORMANCE
* †
ESP
‡
TURNS OPEN
**
012345
CFM
W
††
BHP CFM
W
††
BHP CFM
W
††
BHP CFM
W
††
BHP CFM
W
††
BHP CFM
W
††
BHP
0.2
- - - 4090 1816 1.95 3872 1613 1.73 3681 1448 1.55 3420 1271 1.36 3217 1125 1.21
0.4
3783 1778 1.91 3782 1685 1.81 3548 1489 1.60 3334 1325 1.42 3026 1149 1.23 2796 1010 1.08
0.6
3648 1720 1.84 3387 1529 1.64 3123 1340 1.44 2874 1176 1.26 2495 1002 1.08 - - -
0.8
3317 1583 1.70 2903 1354 1.45 2599 1175 1.26 - - - - - - - - -
1.0
2788 1385 1.49 - - - - - - - - - - - - - - -
*.
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 32: 8-1/2 TON OPTIONAL MOTOR DOWN SHOT BLOWER PERFORMANCE
* †
ESP
‡
TURNS OPEN
**
012345
CFM
W
††
BHP CFM
W
††
BHP CFM
W
††
BHP CFM
W
††
BHP CFM
W
††
BHP CFM
W
††
BHP
0.4
- - - - - - - - - 4257 2325 2.49 4117 2079 2.23 3878 1816 1.95
0.6
- - - - - - 4363 2596 2.78 4114 2248 2.41 3876 1961 2.10 3556 1676 1.80
0.8
- - - 4323 2776 2.98 4107 2446 2.62 3838 2104 2.26 3499 1788 1.92 3166 1520 1.63
1.0
4317 2968 3.18 4175 2677 2.87 3803 2276 2.44 3427 1905 2.04 2987 1577 1.69 2710 1355 1.45
1.2
4243 2918 3.13 3869 2486 2.67 3451 2089 2.24 2882 1669 1.79 - - - - - -
1.4
3977 2743 2.94 3408 2225 2.39 3051 1888 2.03 - - - - - - - - -
1.6
3518 2467 2.65 2790 1927 2.07 2604 1679 1.80 - - - - - - - - -
1.8
2868 2125 2.28 - - - - - - - - - - - - - - -
*.
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