Trane INTELLIPAK Installation Operation & Maintenance page 74

Figure 4-4 (Continued)
40, 50 & 55 Ton Supply Fan Performance with Inlet Guide Vanes
8.0
7.5
7.0
1200 RPM
6.5
6.0
1100 RPM
5.5
5.0
1000 RPM
4.5
4.0
900 RPM
3.5
3.0
800 RPM
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 with Inlet Guide Vanes
8.0
1200 RPM
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
30 HP
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
25 HP
20 HP
15 HP
10 HP
7.5 HP
9000 12000 15000 18000
CFM
40 HP
50%
50 HP
40 HP
30 HP
21000 24000 27000
74
S_HF*40, *50, *55
Dual 20 X 20 Fans
Entrance Losses
- with Inlet Guide Vanes
- without Evap Coil
- without Filters
- without Return Air Dampers
- without Exhaust
60%
Fan Curve Limits
70%
- Minimum Motor HP = 7.5
- Maximum Motor HP
*40, *50 & *55 = 30 HP
- Maximum RPM
20 - 30 HP = 1170
80%
- Maximum CFM
*40 = 18,000
*50 = 22,500
*55 = 24,000
- Maximum Static Pressure
Leaving the Unit = 4.0" w.c.
90%
S_HF*60, *70, *75
Dual 22 X 22 Fans
Entrance Losses
- with 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
60%
- Maximum RPM = 1130
- Maximum CFM
- Maximum Static Pressure
70%
Leaving the Unit = 4.0" w.c.
80%
90% wocfm
30000 33000 36000
7.5 - 15 HP = 1141
*60 = 27,000
*70 & *75 = 30,000