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Fürnibe f1145, f1155, f1245, f1255, f1345, f370, f470, f730, f750, smo 40, vvm 310, vvm 320, vvm 325, vvm 500
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GB
Installation
NOTE
All electrical connections must be carried out
by an authorised electrician.
Electrical installation and wiring must be car-
ried out in accordance with the stipulations in
force.
The climate unit must not be powered when
installing MODBUS 40.
AA9
The electrical circuit diagram is at the end of this In-
staller handbook.
Connecting to climate unit
Use cable type LiYY, EKKX or similar for the following
connections.
F1145/F1155
Terminal block X1 on the Modbus-board (AA9) in
MODBUS 40 is connected to terminal block X4:9-12 on
the input board (AA3) in the heat pump.
AA3-X4
12
AA9-X1
AA9-X2
AA3-X4
7
8
9
10
Heat pump
MODBUS 40
AA9-X1
12V A
B GND
F1245/F1255
Terminal block X1 on the Modbus-board (AA9) in
MODBUS 40 is connected to terminal block X4:9-12 on
the input board (AA3) in the heat pump.
11
12
AA3-X4
7
Heat pump
MODBUS 40
AA9-X1
12V A
B GND
AA3-X4
8
9
10
11
12

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