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036-21335-002-A-1102
Unitary Products Group 21
FIGURE 17: BLOWER CURVE LB480
Available external static pres-
sure for unit accessories and
the duct system.
Internal unit resistance based
on a dry coil plus 2"
throwaway filters.
0
10
20
30
40
50
60 70
80
90
100
110
120
130 140 150 160
170
180
190
200
3.2
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
LB480
1000 RPM
900 RPM
800 RPM
700 RPM
600 RPM
500 RPM
15 BHP
12-1/2 BHP
10 BHP
8 BHP
6 BHP
5 BHP
CFM (X 100)
TOTAL STATIC PRESSURE, IWG