
F370, F470, F730, F750
Terminal block X1 on the SMS board (AA9) in NIBE
SMS 40 is connected to terminal block X4:9-12 on the
input board (AA3) in the heat pump.
12
11
10
9
8
7
12V A
B GND
Heat pump
AA3-X4
AA9-X1
NIBE SMS 40
AA3-X4
VVM 225, VVM 310, VVM 320, VVM 325,
VVM 500
Terminal block X1 on the SMS board (AA9) in NIBE
SMS 40 is connected to terminal block X4:9-12 on the
input board (AA3) in the indoor module.
12
11
10
9
8
7
12V A
B GND
Indoor module
AA3-X4
AA9-X1
NIBE SMS 40
AA3-X4
SMO 40
Terminal block X1 on the SMS board (AA9) in NIBE
SMS 40 is connected to terminal block X4:9-12 on the
input board (AA3) in the control module.
12
11
10
9
8
7
12V A
B GND
Control module
AA3-X4
AA9-X1
NIBE SMS 40
LEK
AA3-X4
NIBE SMS 40 TOGETHER WITH MODBUS 40
OR RMU 40
If NIBE SMS 40 is to be connected with MODBUS 40,,
MODBUS 40 must be the first unit connected to the
climate unit's terminal block.
If NIBE SMS 40 is to be connected with RMU 40, NIBE
SMS 40 must be the first unit connected to the climate
unit's terminal block.
Connecting to and disconnecting from NIBE SMS 40
occurs in terminal AA9:X1.
No more than two units can be connected to the climate
unit.
Input board
main product
MODBUS 40/
SMS 40/
RMU 40
RMU 40/
SMS 40
Tillbehör_singular = translation hint, 2 =
value
SMS 40
SMS 40
B
A
+12V
GND
B
A
+12V
GND
RMU 40/
SMS 40
MODBUS 40/SMS 40/RMU 40
Input circuit board
Tillbehör_singular = translation hint, 1&2 =
value
NIBE SMS 40 | GB
14