Trane INTELLIPAK Installation Operation & Maintenance page 68

Figure 4-2 (Continued)
40, 50 & 55 Ton Supply Fan Performance without Inlet Guide Vanes
8.0
7.5
1200 RPM
7.0
6.5
6.0
1100 RPM
5.5
5.0
1000 RPM
4.5
4.0
900 RPM
3.5
800 RPM
3.0
2.5
700 RPM
2.0
600 RPM
1.5
500 RPM
1.0
0.5
0.0
0 2000 4000 6000
60, 70 & 75 Ton Supply Fan Performance without Inlet Guide Vanes
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
25 HP
20 HP
15 HP
10 HP
7.5 HP
5 HP
8000 10000 12000 14000 16000 18000 20000 22000 24000 26000 28000 30000
CFM
30 HP
20 HP
15 HP
10 HP
7.5 HP
9000 12000 15000 18000
CFM
40 HP
30 HP
50 HP
40 HP
25 HP
21000 24000 27000 30000
68
S_HF*40, *50, *55
Dual 20 X 20 Fans
Entrance Losses
- without Inlet Guide Vanes
- without Evap Coil
- without Filters
- without Return Air Dampers
50%
- without Exhaust
Fan Curve Limits
- Minimum Motor HP = 7.5
60%
- Maximum Motor HP
*40, *50 & *55 = 30 HP
- Maximum RPM
7.5 - 15 HP = 1141
20 - 30 HP = 1170
70%
- Maximum CFM
*40 = 18,000
*50 = 22,500
*55 = 24,000
80%
- Maximum Static Pressure
Leaving the Unit = 4.0" w.c.
90%
S_HF*60, *70, *75
Dual 22 X 22 Fans
Entrance Losses
- without Inlet Guide Vanes
- without Evap Coil
- without Filters
- without Return Air Dampers
50%
- without Exhaust
Fan Curve Limits
- Minimum Motor HP = 10
- Maximum Motor HP = 40
- Maximum RPM = 1130
- Maximum CFM
60%
*60 = 27,000
*70 & *75 = 30,000
- Maximum Static Pressure
Leaving the Unit = 4.0" w.c.
70%
80%
90% wocfm
33000 36000