Nibe RMU 40 Manuel Installateur page 17

F370/F470/F730/F750
The terminal block in RMU 40 is connected to terminal
block X4:9–12 on the input card (AA3) in the heat
pump.
AA3-X4
VVM 310/VVM 320/VVM 325/VVM 500
The terminal block in RMU 40 is connected to terminal
block X4:9–12 on the input card (AA3) in the indoor
module.
AA3-X4
AA3
SMO 40
The terminal block in RMU 40 is connected to terminal
block X4:9–12 on the input board (AA3) on SMO 40.
AA3-X4
LEK
+12V GND B A
RMU 40
RMU 40
Heat pump
F1245
7 8 9 10 11 12 13
AA3-X4
+12V GND B A
RMU 40
F1245
7 8 9 10 11 12 13
+12V GND B A
RMU 40
RMU 40
Indoor module
F1245
7 8 9 10 11 12 13
AA3-X4
+12V GND B A
RMU 40
F1245
7 8 9 10 11 12 13
+12V
GND B A
RMU 40
RMU 40
Control module
F1245
7 8 9 10 11 12 13
AA3-X4
+12V GND B A
RMU 40
F1245
12
7 8 9 10 11 13
RMU 40 together with MODBUS 40 and SMS 40
If RMU 40 is to be connected with SMS 40 or MOD-
BUS 40, one of these must be the first unit connected
Tillbehör_singular = translation hint, 1 =
to the climate unit's terminal block.
value
Connection to and from SMS 40/MODBUS 40 occurs
in terminal block AA9:X1.
No more than two units can be connected to the cli-
mate unit.
Tillbehör_singular = translation hint, 1&2 =
value
MODBUS 40/
RMU 40
SMS 40
Unit 1
SMS 40
GND
B
A
+12V
Unit 2
SMS 40
GND
B
A
+12V
input board
Climate unit
Climate unit
GB
17