49
RT-PRC010-EN
Performance
Data
Note:
1. Important: Maximum static pressure leaving the rooftop is 4.0” H
2
O positive. The static pressure drops from the supply fan to the space cannot exceed 4.0” H
2
O.
Figure PD-3— Supply Fan Performance With VARIABLE FREQUENCY DRIVE or WITHOUT INLET VANES — 30 Ton
(30 Ton)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
0
2000
4000
6000
8000
10000
12000
14000
16000
18000
20000
CFM
ST
A
T
IC
PR
ESSU
R
E
, I
n
ch
es w
.c
.
1400 RPM
800 RPM
900 RPM
1000 RPM
1100 RPM
1200 RPM
1300 RPM
600 RPM
700 RPM
500 RPM
S_HFC30
Dual 18 X 18 Fans
Entranc e Losses
- w ithout Inlet Guide V anes
- w ithout Ev ap Coil
- w ithout Filters
- w ithout Return A ir Dampers
- w ithout Ex haust
Fan Curv e Limits
- Minimum Motor HP = 5
- Maximum Motor HP = 20
- Maximum RPM = 1379
- Maximum CFM = 13,500
- Maximum Static Press ure
Leaving the Unit = 4.0" w .c.
5 HP
7.5 HP
10 HP
25 HP
15 HP
20 HP
3 HP
40%
w
o
c
fm
50%
60%
80%
90% w ocf m
70%