LED display
2.
3.
4.
5.
6.
After pressing the button 6 times, the selection will have
returned to the basic setting (constant speed / characteris-
tic curve III).
NOTICE: All settings and displays are retained if the mains
supply is interrupted.
Installation and operating instructions
Control mode
Constant speed
Variable differential
pressure
Δp-v
Variable differential
pressure
Δp-v
Variable differential
pressure
Δp-v
Constant speed
English
Characteristic
curve
I
III
II
I
III
41