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ELECTRICAL CONNECTIONS
14.1 CONNECTING THE HEAT PUMP
CAUTION: Never touch a circuit board without wearing
a ground-connected bracelet ( Chapter 7.11).
14.2 ELECTRICAL CONNECTION WIRING DIAGRAM
14.2.1 OVERVIEW OF CIRCUIT BOARDS
a)
Fig. 32 Overview PCB
[F1]
Miniature circuit breaker electric additional heat
[F2]
Miniature circuit-breaker heat pump
[F11]
Motor cut-out compressor
[K2]
Contactor electric additional heat stage 1 (3kW)
[K3]
Contactor electric additional heat stage 2 (6kW)
[X1]
Terminal block
[BAS] Circuit board
[PGB] Circuit board
[PIL]
Circuit board
28
▶ Remove the front panel ( page 25).
▶ Remove the electric box cover.
▶ Route the connection cables to the electric box through the cable
gland in the roof plate of the heat pump.
▶ Connect the cables according to the wiring diagram.
▶ Reinstall the electric box cover and the front panel of the heat pump.
b)
[PEL]
Circuit board
[PSU] Circuit board
[F31]
PCB protective anode (only stainless water heater)
[a)]
6-11 kW Combi-model
[b)]
6-11 kW System-model
6 720 802 416-07.1I
6 720 806 768 (2013/02)
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