Electrical Connection - Nibe SMS 40 Installateurhandbuch

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 SMS 40.
The wiring diagram is at the end of these installation
instructions.
Connecting communication
NOTE
If there is a RMU 40 in the installation it should
be connected to terminal X1 on the SMS card
(AA9).
SMS 40
12
Ground-source heat pumps
Terminal block X1 on the SMS card (AA9) in SMS 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
AA3-X4
F1345
Terminal block X1 on the SMS card (AA9) in SMS 40 is
connected to terminal block X6:4-7 on terminal block
(X6) in the heat pump.
Use cable type LiYY, EKKX or similar.
7 8 9 10 11 12
12V A B GND
AA3-X4
7 8 9 10 11 12
F1245/F1255
SMS 40
AA9-X1
12V A B GND
4 5 6 7
F1345
Externt
12V A B GND