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/indoor module must not be
powered when installing MODBUS 40.
The wiring diagram is at the end of these installation in-
structions.
Connecting to the heat pump/indoor module
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/VVM500
Terminal block X1 on the Modbus card (AA9) in MODBUS
40 is connected to terminal block X4:9-12on the input
card (AA3) in the heat pump/indoor module.
Use cable type LiYY, EKKX or similar.
F1145
F1245
F370/F470
SMS 40 F1145
7
8
GND
9
B
10
A
11
12V
12
13
7 8 9 10 11 12 13
F1245
SMS 40
12V
GND B A
7 8 9 10 11 12 13
F1245
SMS 40
GND B A 12V
GB
11