Trane IntelliPak Installation, Operation And Maintenance Manual page 107

Figure 62. Supply fan performance with variable frequency drive - 20 and 25 ton air-cooled, 24 and 29 ton evaporative
condensing - direct drive plenum, 120% width
8.0
7.5
7.0
6.5
6.0
5.5
1900 RPM
5.0
1800 RPM
4.5
1700 RPM
4.0
1600 RPM
3.5
1500 RPM
3.0
1400 RPM
2.5
1300 RPM
1200 RPM
2.0
1100 RPM
1.5
1000 RPM
1.0
0.5
0.0
0 1000 2000
Figure 63. Supply fan performance with or without variable frequency drive — 30 ton air-cooled, 36 ton evaporative
condensing - forward curved
8.0
7.5
1400 RPM
7.0
6.5
1300 RPM
6.0
5.5
1200 RPM
5.0
1100 RPM
4.5
4.0
1000 RPM
3.5
3.0
900 RPM
2.5
800 RPM
2.0
700 RPM
1.5
600 RPM
1.0
500 RPM
0.5
0.0
0 2000
RT-SVX36K-EN
2300 RPM
2200 RPM
2100 RPM
2000 RPM
3000 4000 5000 6000
Airflow, CFM
4000 6000 8000
Airflow, CFM
2400 RPM
7000 8000 9000 10000
10000 12000 14000
Unit Start Up
S_HL*20 & 25, 24 & 29
Single 22.25" 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 = 20
- Maximum Fan RPM = 2400
- Maximum CFM:
20/24 = 9,000
25/29 = 11,000
Maximum Static Pressure
Leaving the unit = 4.0" w.c.
11000 12000
S_HL* 30/36 Ton
Dual 18 X 18 Fans
Entrance Losses
- without Evap Coil
- without Filters
- without Return Air Dampers
- without Exhaust
Fan Curve Limits
- Minimum Motor HP = 5
- Maximum Motor HP = 20
- Maximum Fan RPM = 1450
- Maximum CFM = 13,500
- Maximum Static Pressure
Leaving the Unit = 4.0" w.c.
70%
80%
90%
107