035-17311-002-A-0803
28 Unitary Products Group
TABLE 23: 7-1/2 TON STANDARD MOTOR SIDE 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
- - - - - - 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.
**.
“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
**
012345
CFM
W
††
BHP CFM
W
††
BHP CFM
W
††
BHP CFM
W
††
BHP CFM
W
††
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 242617681.90---------------
*.
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.
**.
“Turns Open” refers to the setting of the variable pitch motor sheave, where “0 Turns Open” is fully closed.
††.
W = Watts
