Trane RT-PRC010-EN Manual page 57

Figure PD-7 — Supply Fan Performance With VARIABLE FREQUENCY DRIVE or WITHOUT INLET VANES — 60, 70 and 75 Tons
1200 RPM
8.0
7.5
1100 RPM
7.0
6.5
1000 RPM
6.0
5.5
5.0
900 RPM
4.5
4.0
800 RPM
3.5
3.0
700 RPM
2.5
600 RPM
2.0
1.5
500 RPM
1.0
0.5
0.0
0 3000 6000 9000
Note:
1. Important: Maximum static pressure leaving the rooftop is 4.0" H
RT-PRC010-EN
Performance
Data
50 HP
40 HP
30 HP
20 HP
25 HP
15 HP
10 HP
7.5 HP
12000 15000 18000 21000 24000
CFM
O positive. The static pressure drops from the supply fan to the space cannot exceed 4.0" H
2
(60, 70, 75 Tons)
S_HFC60, C70, C75
Dual 22 X 22 Fans
Entrance Losses
- w ithout Inlet Guide Vanes
- w ithout Evap Coil
- w ithout Filters
50%
- w ithout Return Air Dampers
- w ithout Exhaust
Fan Curve Limits
- Minimum Motor HP = 10
- Maximum Motor HP = 40
60%
- Maximum RPM = 1130
- Maximum CFM
70%
- Maximum Static Pressure
Leaving the Unit = 4.0" w .c.
80%
90% w ocfm
27000 30000 33000 36000
C60 = 27,000
C70 & C75 = 30,000
O.
2
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