Wilo -PARA SCA Series User Manual page 33

Operating button
Constant
speed (I, II, III)
H/m
III
II
I
III
II
I
III
II
I
Venting
Installation and operating instructions Wilo-Para SCA
Press
• Select speed control range: low, medium, high
• Select pump curve (I, II, III) within the speed control
range
Press and hold
• Activate the pump venting function
(press for 3 seconds)
• Activate manual restart (press for 6 seconds)
• EEI mode (press for 9 seconds)
3.1 Control modes and functions
Recommended for systems with fixed system resistance
requiring a constant volume flow.
The pump runs in three prescribed fixed speed
stages within the 3 speeds control range:
Speed Control Range
Q/m³/ h
NOTICE
Factory setting:
speed control range: medium, setting/curve II
The pump venting function is activated by pressing and
holding the operating button (for 3 seconds) and auto -
matically vents the pump.
However, this function does not vent the heating sys -
tem.
Setting/Curve
low
medium
high
I, II, III
I, II, III
I, II, III
33