Trane IntelliPak Installation, Operation And Maintenance Manual page 112

Unit Start Up
Figure 72. Supply fan performance with or without variable frequency drive - 60, 70 and 75 ton air-cooled, 73, 80 and
89 ton evaporative condensing - forward curved
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
Figure 73. Supply fan performance with variable frequency drive - 60 ton air-cooled, 73 ton evaporative condensing -
direct drive plenum, 80% width
8.0
7.5
2000 RPM
7.0
1900 RPM
6.5
6.0
1800 RPM
5.5
1700 RPM
5.0
1600 RPM
4.5
1500 RPM
4.0
1400 RPM
3.5
1300 RPM
3.0
1200 RPM
2.5
1100 RPM
2.0
1000 RPM
1.5
1.0
0.5
0.0
0 2500 5000
112
9000 12000 15000
Airflow, CFM
2100 RPM 2200 RPM
7500 10000 12500 15000
Airflow, CFM
18000 21000 24000
17500 20000 22500 25000
S_HL*60, *70, *75 Ton
*73, *80, *89 Ton
Dual 22 X 22 Fans
Entrance Losses
- without Evap Coil
- without Filters
- without Return Air Dampers
- without Exhaust Fan
Fan Curve Limits
- Minimum Motor HP = 10
- Maximum Motor HP = 50
- Maximum Fan RPM = 1130
- Maximum CFM = 27,000
- Maximum Static Pressure
Leaving the unit = 4.0" w.c.
70%
80%
90%
27000 30000
S_HL*60/73 Ton
Dual 25" 80% Width DDP Fan
Entrance Losses
- without Evap Coil
- without Filters
- without Return Air Dampers
- without Exhaust Fan
Fan Curve Limits
- Minimum Total Motor HP = 10 (2x5HP)
- Maximum Total Motor HP = 40 (2x20HP)
- Maximum Fan RPM = 2200
- Maximum CFM = 27,000
- Maximum Static Pressure Leaving the
unit = 4.0" w.c.
27500 30000
RT-SVX36K-EN