Trane IntelliPak Installation, Operation And Maintenance Manual page 110

Unit Start Up
Figure 68. Supply fan performance with variable frequency drive - 40 ton air-cooled, 48 ton evaporative condensing -
direct drive plenum, 120% width
8.0
7.5
7.0
6.5
1700 RPM
6.0
1600 RPM
5.5
5.0
1500 RPM
4.5
1400 RPM
4.0
1300 RPM
3.5
1200 RPM
3.0
1100 RPM
2.5
1000 RPM
2.0
1.5
1.0
0.5
0.0
0 2000 4000
\
Figure 69. Supply fan performance with variable frequency drive - 50, 55 ton air-cooled, 59 ton evaporative condensing -
direct drive plenum, 80% width
8.0
1700 RPM
7.5
1600 RPM
7.0
6.5
1500 RPM
6.0
5.5
1400 RPM
5.0
1300 RPM
4.5
4.0
1200 RPM
3.5
1100 RPM
3.0
1000 RPM
2.5
2.0
1.5
1.0
0.5
0.0
0 2500 5000
110
1900 RPM
1800 RPM
6000 8000 10000
Airflow, CFM
1800 RPM
7500 10000 12500
Airflow, CFM
12000 14000 16000
15000 17500 20000 22500
S_HL*40/48 Ton
Single 27" 120% Width
DDP Fan
Entrance Losses
- without Evap Coil
- without Filters
- without Return Air Dampers
- without Exhaust Fan
Fan Curve Limits
- Minimum Motor HP = 3
- Maximum Motor HP = 25
- Maximum Fan RPM = 1900
- Maximum CFM = 18,000
- Maximum Static Pressure
Leaving the unit = 4.0" w.c.
18000 20000
S_HL*50/59 & 55 Ton
Single 30" 80% Width
DDP Fan
Entrance Losses
- without Evap Coil
- without Filters
- without Return Air Dampers
- without Exhaust Fan
Fan Curve Limits
- Minimum Motor HP = 30
- Maximum Motor HP = 30
- Maximum Fan RPM = 1800
- Maximum CFM = 22,500
- Maximum Static Pressure
Leaving the unit = 4.0" w.c.
25000 27500
RT-SVX36K-EN