262259-YTG-B-0107
18 Unitary Products Group
NOTES: 1. Blower performance includes fixed outdoor air, 2” T/A filters, a dry evaporator coil and no electric heat.
2. Refer to Table 13 for additional static resistances.
ESP = External Static Pressure available for the supply and return air duct system. All internal unit resistances have been deducted from the
total static pressure of the blower.
* Do NOT
close the pulley below 1 turn open.
** Factory setting.
TABLE 8: SUPPLY AIR BLOWER PERFORMANCE (15 TON) -
COOLING ONLY 180 MBH - BOTTOM DUCT CONNECTIONS
BLOWER
SPEED,
(RPM)
MOTOR
PULLEY
(TURNS
OPEN)*
CFM
4500 5250 6000 6750 7200
ESP BHP KW ESP BHP KW ESP BHP KW ESP BHP KW ESP BHP KW
208 VOLT AND STANDARD DRIVE
850 6.0** 0.9 2.4 2.2 0.7 3.0 2.7 0.5 3.2 2.9 - - - - - -
870 5.5 1.0 2.5 2.3 0.8 3.1 2.8 0.6 3.5 3.1 0.2 4.1 3.7 - - -
915 4.5 1.1 2.6 2.4 0.9 3.4 3.0 0.7 3.7 3.3 0.3 4.4 3.9 0.2 4.5 4.0
965 3.5 1.2 2.9 2.6 1.0 3.6 3.2 0.8 4.0 3.6 0.5 4.7 4.2 0.4 4.9 4.4
980 3.0 1.3 3.0 2.7 1.1 3.7 3.3 0.9 4.1 3.7 0.6 4.8. 4.3 0.5 5.1 4.6
1010 2.0 1.4 3.1 2.8 1.2 3.8 3.4 1.0 4.2 3.8 0.7 5.0 4.5 0.6 5.4 4.8
1040 1.0 1.5 3.2 2.9 1.3 3.9 3.5 1.1 4.5 4.0 0.9 5.2 4.7 0.7 5.7 5.1
208 VOLT AND HIGH SPEED DRIVE
965 6.0 1.2 2.9 2.6 1.0 3.6 3.2 0.8 4.0 3.6 0.5 4.7 4.2 0.4 5.0 4.4
980 5.5 1.3 3.0 2.7 1.1 3.7 3.3 0.9 4.1 3.7 0.6 4.8 4.3 0.5 5.1 4.6
1025 4.5 1.5 3.2 2.9 1.3 3.9 3.5 1.1 4.5 4.0 0.8 5.1 4.6 0.7 5.6 5.0
1065 3.5 1.6 3.4 3.0 1.4 4.0 3.6 1.2 4.7 4.2 1.0 5.5 4.9 - - -
1095 3.0 1.7 3.5 3.1 1.5 4.2 3.8 1.3 4.9 4.4 1.2 5.7 5.1 - - -
1130 2.0 1.9 3.7 3.3 1.7 4.5 4.0 1.5 5.1 4.6 - - - - - -
1170 1.0 2.1 3.9 3.5 2.0 4.7 4.2 1.8 5.5 4.9 - - - - - -
230/460/575 VOLT AND STANDARD DRIVE
870 6.0** 1.0 2.4 2.2 0.8 3.1 2.8 0.6 3.5 3.1 0.2 4.1 3.7 - - -
915 5.0 1.1 2.6 2.4 0.9 3.3 3.0 0.7 3.7 3.3 0.3 4.4 3.9 0.2 4.5 4.0
965 4.0 1.2 2.9 2.6 1.0 3.6 3.2 0.8 4.0 3.6 0.5 4.7 4.2 0.4 5.0 4.4
980 3.5 1.3 3.0 2.7 1.1 3.7 3.3 0.9 4.1 3.7 0.6 4.8 4.3 0.5 5.1 4.6
1040 2.0 1.5 3.2 2.9 1.3 3.9 3.5 1.1 4.5 4.0 0.9 5.3 4.7 0.7 5.7 5.1
1065 1.0 1.6 3.3 3.0 1.4 4.0 3.6 1.2 4.7 4.2 1.0 5.5 4.9 - - -
230/460/575 VOLT AND HIGH SPEED DRIVE
980 6.0 1.3 2.9 2.6 1.1 3.7 3.3 0.9 4.1 3.7 0.6 4.8 4.3 0.5 5.1 4.6
1040 4.5 1.5 3.2 2.9 1.3 3.9 3.5 1.1 4.5 4.0 0.9 5.3 4.7 0.7 5.7 5.1
1065 4.0 1.6 3.4 3.0 1.4 4.0 3.6 1.2 4.7 4.2 1.0 5.5 4.9 - - -
1095 3.5 1.7 3.5 3.1 1.5 4.2 3.8 1.3 4.9 4.4 1.2 5.7 5.1 - - -
1130 2.5 1.9 3.7 3.3 1.7 4.5 4.0 1.5 5.1 4.6 - - - - - -
1170 1.5 2.1 3.9 3.5 2.0 4.7 4.2 1.8 5.5 4.9 - - - - - -
1190 1.0 2.2 4.0 3.6 2.1 4.8 4.3 2.0 5.7 5.1 - - - - - -