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74 RT-PRC031-EN
Performance Data—Component Static Pressure Drops/
Fan Drive Selections
Table 36 Supply Air Fan Drive Selections
Casing
Low/
Std RPM
Horse Power (HP)
15 HP 20 HP 25 HP 30 HP 40 HP 50 HP 60 HP 75 HP
Drive No. Drive No. Drive No. Drive No. Drive No. Drive No. Drive No. Drive No.
AStd
2000 L
1900 K
1800 J
1700 H
1600 G
1500 F
1400 E E
BStd
1500 F
1400 EE
1300 D D
1200 C C
1100 B B
1000 A A
900 9 9
CStd
1300 DD
(i)
(i)
If a 75HP motor is chosen on a fan with IGV, drives D and E are allowed. If it is chosen on a fan without IGV only drive D is allowed.
1200 CC
1100 B B
1000 A A
900 9 9 9
800 8 8 8