11 elec tri cal con nec tion 77, Ac tua tor 77, Pump 77 – Samson 5476 User Manual
Page 77: Sen sor 77, Electrical connection

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
Connect cables with at least 1.5 mm² suitable for damp locations to the terminals of the control-
ler output. The direction of travel needs to be checked at start-up.
4
Set slide switch to (+). Valves must open.
4
Set slide switch to (–). Valves must close.
Connecting the pumps
Connect all cables with at least 1.5 mm² to the terminals of the controller as illustrated in the corre-
sponding wiring diagram (–> page 78 to 80).
Legend for wiring plans:
AF
Outdoor temperature sensor
SLP
Storage tank charging pump
RF
Room temperature sensor
TLP
Heat exchanger charging pump
VF
Flow temperature sensor
UP
Heating circulation pump
SF
Storage tank sensor
ZP
DHW circulation pump
RüF
Return flow temperature sensor
RK
Control circuit
TWF
DHW sensor
BE
Binary input
GND
Grounding of input signals
WMZ Heat meter connection
L + N Mains supply
ZB
Meter bus interface
CF
Solar circuit collector sensor
CP
Solar circuit pump
Connections on the back of the controller
, showing pump management as an example
EB 5476 EN
77
Electrical connection
Refer to the instructions of the
pump manufacturer for further
installation conditions.