Nibe MODBUS 40 Installateurhandbuch Seite 11

Installation
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 heat pump must not be powered when in-
stalling MODBUS 40.
Connecting to the heat pump
Terminal block X1 on the Modbus-card (AA9) in MODBUS
40 is connected to terminal block X4:9-12 on the input
card (AA3) in the heat pump.
Use cable type LiYY, EKKX or similar.
NOTE
If there is a RMU 40 in the unit, it must be con-
nected to terminal block X1 on the Modbus card
(AA9).
F1145
F1245/F370/F470/F750
SMS 40 F1145
7
8
GND
9
B
10
A
11
12V
12
13
7 8 9 10 11 12 13
F1245
SMS 40
GND B A 12V
GB
11