Electrical Connection; Program Settings - Nibe Rmu 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.
F1145/F1245/F750 must not be powered when
installing RMU 40.
Connecting communication and power supp-
ly
The terminal block in RMU 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.
RMU 40
+12V GND B A
F1145
F1245
RMU 40 F1145
7
8
+12V
9
GND
10
B
11
A
12
13
7 8 9 10 11 12 13
F1245
RMU 40
+12V GND B A
F750
LEK
Several RMU 40/SMS 40
If an additional RMU 40 or a SMS 40 is to be connected
to the F1145/F1245/F750 this should be connected from
the terminal block in the first unit. No more than two
units can be connected.

Program settings

1. Hold the back button in RMU 40 for 7 seconds to
access the menu "service settings".
2. Enter the menu and select which climate system RMU
40 should be connected to.
3. Start the heat pump, enter menu "system settings"
(5.2) and activate RMU 40 for the climate system that
you want to control with the room unit.
4. If you wish the heat pump to use the room temper-
ature sensor to control the temperature, set it in
menu "room sensor settings" (1.9.4). If an external
room temperature sensor (BT50) is installed it will be
used. Otherwise the room temperature sensor in
RMU 40 is used.
NOTE
The software in F1145/F1245/F750 must be
version xxx or higher to work with RMU 40.
7 8 9 10 11 12 13
F1245
RMU 40
+12V GND B A
GB
13