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27RT-PRC007-EN
Performance
Data
Exhaust External Static Pressure — Inches of Water
Airflow High Speed Med Speed Low Speed
(Cfm) ESP ESP ESP
3500 0.900 — —
4000 0.860 — —
4500 0.820 — —
5000 0.780 — 0.400
5500 0.745 — 0.380
6000 0.700 — 0.360
6500 0.660 — 0.330
7000 0.610 0.400 0.300
7500 0.560 0.365 0.260
8000 0.505 0.330 0.215
8500 0.445 0.300 0.170
9000 0.385 0.255 0.120
9500 0.320 0.210 0.070
10000 0.255 0.165 0.020
10500 0.190 0.125 —
11000 0.125 0.060 —
11500 0.065 0.000 —
12000 0.005 — —
Notes:
1. Performance in table is with both motors operating.
2. High speed = both motors on high speed. Medium speed is one motor on high speed and one on low speed.
Low speed is both motors on low speed.
3. Power Exhaust option is not to be applied on systems that have more return air static pressure drop than the
maximum shown in the table for each motor speed tap.
Table PD-16— Power Exhaust Fan Performance