Nibe F2120-12, Руководство по установке

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Optional connections
Communication
F2120 communicates with NIBE indoor modules/con-
trol modules by connecting a three-core, screened cable
to terminal block X22:1–4, as shown in the following
image.
For cascade connection, join terminal block X23 with
X22 to the next heat pump.
VVM
GND
B
A
GND
B
A
X23
AA3-X4
X22
F2120 Inomhusmodul
2
1
3
4
15
14
13
12
11
10
F2120 Indoor module (HWM)
AA3-X4
X23
X22
SMO 20
LEK
L N 1 1 0 2 3 4 PE
21
20
19
18
17
16
15
14
13
12
1 1
10
9
8
7
6
5
4
3
2
1
X2
5
6
7
2
1
8
9
13
12
4
3
11
10
19
20
21
14
18
16
17
15
A
B
GND
SMO
19
20
21
18
F2120
2
1
3
4
GND
B
A
A
B
GND
F2020/F2025/F2300
A
B
GND
5
6
4
2
3
1
F2026
A
B
GND
5
4
2
3
1
F2030
6
5
4
3
2
1
A
B
GND
A
B
GND
F2040
F2120
X2
X22
SMO 20
29 Chapter 5 | Electrical connections NIBE™ F2120