Nibe SMO 20 - Page 21

COMMUNICATION WITH HEAT PUMP
Connect the heat pump (EB101) with a screened three
core cable to terminal block X2:19 (A), X2:20 (B) and
X2:21 (GND) as illustrated.
Connecting to the heat pump
LEK
L N 1 1 0 2 3 4PE
21 20 19 18 17 16 15 14 13 12 11 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
S
MO
19
20
21
18
F2120
2
1
3
4
GND
B
A
6
5
4
3
2
1
A
B
GND
A
B
GND
F2040
A
B
GND
F2030
542 3
1
A
B
GND
F2016/F2026
5 64
2 3
1
A
B
GND
F2015/F2020/F2025/F2300
X2
SMO20
AA21-J2
X5
X5
AA23-X4
X22
F2040
F2030
F2016/F2026
F2015/F2020/F2025/F2300
F2120
21Chapter 5 | Electrical connectionsNIBE SMO 20