GB
Electrical connection
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 heat pump/indoor module must not be
powered when installing RMU 40.
Connecting communication
RMU 40
Ground-source heat pumps
The terminal block in RMU 40 is connected to terminal
block X4:9–12 on the input card (AA3) in the heat
pump/indoor module.
Use cable type LiYY, EKKX or similar.
F1145/F1155
AA3-X4
F1245/F1255
16
Terminal block
+12V GND
B
A
RMU 40
RMU 40
A
B
GND
+12V
+12V
GND
RMU 40
RMU 40
F1245/
F1245
F1255
7
8
9
10
AA3-X4
AA3-X4
F1345
The terminal block in RMU 40 is connected to terminal
block X6:4-7 in the heat pump.
Use cable type LiYY, EKKX or similar.
F1145
F1145/F1155
13
12
11
10
9
8
7
AA3-X4
B
A
11
12
13
X6
F1345
F1345
Externt
RMU 40
X6
4 5
6 7
A
B
GND
12V