Connecting the sensors
Cables with a minimum cross-section of 2 x 0.5 mm² can be connected to the terminals at
the back panel of the housing.
Connecting the actuators
4
0 to 10 V outputs:
Use cables with a minimum cross-section of 2 x 0.5 mm².
4
Three-step or on/off outputs:
Connect cables with at least 1.5 mm² suitable for damp locations to the terminals of the
controller output. The direction of travel needs to be checked at start-up.
Connecting the pumps
Connect all cables with at least 1.5 mm² to the terminals of the controller as illustrated in the
connection diagram.
Legend for connection diagram (page 106):
AF
Outdoor sensor
RüF
Return flow sensor
BA
Binary output
SF
Storage sensor
BE
Binary input
SLP
Storage tank charging pump
FG
Potentiometer
UP
Circulation pump
RF
Room sensor
VF
Flow sensor
RK
Control loop
WMZ
Heat/water meter
EB 5576 EN
105
Electrical connection