Nibe RMU S40 - Power Supply from SMO S40; Wired Connection; Connection to S1155; Multiple RMU S40 with HTS 40

Power supply from SMO S40
AA100-X9
RMU S40
Styrmodul
GND
B A
+12V
1 2 3 4
7
9
10 GND
B
+12V
8 A
AA100-X9
Control module
RMU S40
WIRED CONNECTION
Use cable type LiYY, EKKX or equivalent for the follow-
ing connections.
Select menu 7.2 - "Accessory settings" in your main
product. "Add/remove accessories" in menu 7.2.1.
In menu 1.3.3 - "Room units", you select which zone
your RMU S40 is to belong to, or create a new zone.
S1155
The terminal block in RMU S40 is connected to terminal
block X30:1-4 on the PCB (AA2) in the heat pump.
x
RMU 40
AA2-X30
+12V
GND
B
A
4
3
2
1
4321
GND
B
A
+12V
AA2-X30
Heat pump
RMU S40
S1255 / VVM S320, VVM S325
The terminal block in RMU S40 is connected to terminal
block X30:1-4 on the PCB (AA2) in the heat pump/indoor
module.
RMU 40
Värmepump
AA2-X30
B
A
GND +12V
+12V
GND
B
A
1 2 3 4
1 432
AA2-X30
RMU S40
Indoor module
Heat pump/
SMO S40
The terminal block in RMU S40 is connected to terminal
block X9:7–10 on the joint board (AA100) in SMO S40.
AA100-X9
RMU S40
Styrmodul
GND
B A
+12V
1 2 3 4
7
9
10 GND
B
+12V
8 A
AA100-X9
Control module
RMU S40
Several RMU S40 together with HTS 40
If RMU S40 is to be connected to an external humidity
sensor HTS 40, then HTS 40 should be the first unit
connected to the main product’s PCB/joint board.
Connecting to and disconnecting from HTS 40 is done
on terminal block AA28:X1.
You should not connect more than two units to the main
product.
PCB or joint board in
heat pump / indoor module
or control module
HTS 40 RMU S40
TIP
Feel free to use a junction box when connect-
ing.
S1155
4321
GND
B A
+12V
RMU S40
43214321 8765
GND
B A
+12V
GND
B A
+12V
HTS 40
AA2-X30
Värmepump
3
4
2
1
+12V
GND
B
A
AA2-X30
Heat pump/Indoor module
RMU S40HTS 40
NIBE RMU S40 | GB28