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

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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.

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