61
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
5000
5500
6000
6500
7000
7500
8000
8500
9000
9500
10000
10500
11000
Airflow (cfm)
Pressure
Drop
(in.
w
g
)
62M550,640
62M750,950
Fig. 56 — 62M550-950 ERV Wheel Pressure Drop* (cont)
*Data based on measurements taken using optional airflow test ports.