AD722MHERA, AD962MHERA:
1. The number in the circle stands for the step on the fan speed controller.
2. The red line shows the air flow and the static pressure varies due to the different
steps in high speed. The blue dashed line shows the air flow and the static pressure
varies due to the different steps in low speed.
High speed
Low speed
200
150
100
50
0
Upper limit
4
3
55
60
65
70
3
air flow (m
/min)
83
8
7
6
5
4
3
8
7
6
5
75
80
8586
lower limit