Nibe F2040-12, Installer Manual, Page: 37 / 84

SMO 40
The cable between the units must be connected between
terminal block for communication (AA23-X4:1, 2, 3) in
F2040 and terminal block for communication (AA5:X4-
1(A), -2 (B), -3 (GND)) in SMO 40.
Stripped length of conductor is 6 mm.
L N 1 1 0 2 3 4 PE
1 2 3 4
LEK
ON
1 2 3 4 5 6 7 8
-X9
-X2
24
20
21
22
23
15
16
17
18
19
10
11
12
13
14
5
6
7
8
9
1
1 N L PE PE
1 2 3 4 5 6 7 8
2
1 2
3 4 5 6 7 8 9
2
3
4
-X8
-X4
-X10
-X1
AA5-X4
SMO 40 and more F2040
F2040 (one or more) can communicate with the control
module (SMO 40), by connecting to the terminal block
in SMO 40, AA5:X4-1(A), -2 (B), -3 (GND), according to
the following image:
1 2 3
A B GND
4 5
SMO 40
6
5
4
3
2
1
A
B
GND
A
B
GND
6
5
4
3
2
1
A
B
GND
A
B
GND
F2040 F2040
F2040
AA5-X4
F2040
Control module
AA23-X4 AA23-X4
37 Chapter 5 | Electrical connections F2040