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Connecting several accessories
Heat generator control unit
A
Mixer extension kit for heating circuit with
B
mixer M2 (electronics module)
Mixer extension kit for heating circuit with
C
mixer M3 (electronics module)
Further accessories
D
■
In the following circumstances, use the contact (out-
put) of the accessories only to switch an on-site
relay:
An actuator with a higher power demand than the
fuse rating required for the accessories, e.g. a circu-
lation pump, is connected to the contact (output) of
the accessories.
In the following circumstances, connect one or more
■
accessories directly to the mains supply via an
ON/OFF switch:
The max. permissible total current of the heat gener-
ator control unit is exceeded.
Note
In this event, the accessories concerned cannot be
isolated with the ON/OFF switch on the control unit.
Connection and wiring diagram
Fig. 14
A1 PCB, EM-P1 extension (ADIO electronics module)
A2 PCB
10
(cont.)
E
(A) Power supply
fÖ
jF
/
lH
aBH
F1 Fuse
S1 Rotary switch
ON/OFF switch
PlusBus
Power supply to accessories in the heat gen-
erator control unit
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