Samson 5476 manual Electrical connection, Connecting the sensors

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.

￿Set slide switch to (+). Valves must open. ￿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

Refer to the instructions of the pump manufacturer for further installation conditions.

EB 5476 EN 77