Bosch 11 KW Instruction Manual download pdf (Page 31)

ELECTRICAL CONNECTIONS

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14.2.6 COMPLETE WIRING DIAGRAM CONNECTIONS

Fig. 37 Complete wiring diagram connections (230V)

Solid line = factory set connection

Dotted line = connect during installation:

[RHP] High pressure switch

[F11/Q1] Motor cut-out compressor/soft starter

[F1/F21] Fuse/overheat protection electric additional heat

[K2] Contactor electric additional heat stage 1

[K3] Contactor electric additional heat stage 2

[E11.G1] Circulation pump circuit 1

[G2] Heat carrier pump

[G3] Collector circuit pump

[Q21] 3-way valve

[F51] Fuse 6.3A

[E11.P2

] General alarm

[E41.G6

] Circulation pump hot water

[E12.Q11] Extra mixing valve circuit 2

[E12.G1] Circulation pump circuit 2

[R1] Relay

6 720 802 416-12.2I

1) P2- P2 potential free connection for cirkulation pump / general alarm

E12.G1: When a low energy pump is connected, an

external control relay must be used. The pump is

connect to the power grid with a dedicated supply.

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Bosch 11 KW Instruction Manual Page 31