Power supply from SMO S40
Control module
Styrmodul
7
8
9
10
RMU S40
RMU S40
1
2
3
4
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.
Heat pump
x
RMU S40
RMU 40
1
2
3
4
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.
AA2-X30
AA2-X30
1
2
3
Heat pump/
Värmepump
Indoor module
RMU 40
RMU S40
1
2
28
+12V
A
AA100-X9
AA100-X9
B
GND
AA2-X30
AA2-X30
4
A
3
B
2
+12V
1
GND
4
3
4
SMO S40
The terminal block in RMU S40 is connected to terminal
block X9:7–10 on the joint board (AA100) in SMO S40.
Control module
Styrmodul
RMU S40
RMU S40
1
2
3
4
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
TIP
Feel free to use a junction box when connect-
ing.
S1155
Heat pump/Indoor module
Värmepump
AA2-X30
AA2-X30
4
A
3
B
2
+12V
1
GND
HTS 40
1
2
3
4
5
6
7
8
HTS 40
7
+12V
8
A
AA100-X9
AA100-X9
9
B
10
GND
HTS 40
RMU S40
RMU S40
1
1
2
2
3
3
4
4
RMU S40
NIBE RMU S40 | GB