Installation and operating instructions Wilo-Para SCA
33
en
Operating button
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
Constant
speed (I, II, III)
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:
Venting
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.
I
III
II
H
/m
Q
/m³/ h
I
III
II
I
III
II
Speed Control Range
Setting/Curve
low
I, II, III
medium
I, II, III
high
I, II, III
NOTICE
Factory setting:
speed control range: medium, setting/curve II