
COMMUNICATION
If VVM 310 is to be connected to the heat pump, it is connec-
ted to terminal blocks X4:13, X4:14 and X4:15 on the input
board (AA3).
AA3-X4
VVM 310 and F2040,
F2050 / NIBE SPLIT HBS 05, 20
AA23-X4
B
A
GND
B
A
GND
5
4
3
2
1
6
Inomhusmodul
AA3-X4
B
GND
A
14
13
12
11
10
15
F2040 / HBS 05
VVM 310
F2040, HBS 05, 20
VVM 310 and F2120, S2125
Inomhusmodul
F2120
AA3-X4
AA2-X23
AA2-X22
3
2
1
4
GND
GND
A
A
B
GND
A
B
B
3
2
1
4
14
13
12
11
10
15
VVM 310
F2120, S2125
NIBE VVM 310
Chapter 5 | Electrical connections
22