Electrical Connection - Nibe SMS 40 Installateurhandbuch

Electrical connection

NOTE
All electrical connections must be carried out
by an authorised electrician.
Electrical installation and wiring must be carried
out in accordance with the stipulations in force.
The climate unit must not be powered when
installing SMS 40.
F1345 has different electrical connection versions de-
pending on when the heat pump was manufactured. To
check which electrical connection applies to your F1345,
check the designation "2.0" visible above the right hand
side of the terminal block as illustrated.
The electrical circuit diagram is at the end of this Installer
handbook.
Connecting communication
SMS 40
For following connections, use cable type LiYY, EKKX or
similar.
SMS 40 | GB
AA9-X1
F1145/F1155
Terminal block X1 on the SMS board (AA9) in SMS 40 is
connected to terminal block X4:9-12 on the input board
(AA3) in the heat pump.
AA3-X4
F1245/F1255
Terminal block X1 on the SMS board (AA9) in SMS 40 is
connected to terminal block X4:9-12 on the input board
(AA3) in the heat pump.
AA3-X4
F1345 without 2.0
Terminal block X1 on the SMS card (AA9) in SMS 40 is
connected to terminal block X6:4-7 in the heat pump.
AA3-X6
AA3-X4
7 8 9 10 11 12
Heat pump
SMS 40
AA9-X1
12V A B GND
AA3-X4
7 8 9 10 11 12
Heat pump
SMS 40
AA9-X1
12V A B GND
X6
4 5 6 7
Heat pump
SMS 40
12V A B GND
AA9-X1
13