NIBE-BIAWAR HK 200M, Installation Manual

Page: 20 / 36

20 HK 200M Chapter 5 | Electrical connections
Temperature sensor, on
supply pipeline
Temperature sensor on cooling supply (BT25) must
be connected for SMO 20 to clamps X2:8 and
X2:10, while for SMO 40 to clamps X6:5, X6:6. Use
a two-wire cable with the cross-section of at least 0.5
mm².
9
10
11
6
8
7
HK 200M
SMO 20
X2
X1
LEK
L N 1 1 0 2 3 4 PE
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
BT25
HK 200M
X1
HK 200M
SMO 40
X1
BT25
4
5
6
7
8
9
10
11
AA3-X6
SMO 40
L N 1 1 0 2 3 4 PE
1 2 3 4
LEK
AA3-X6
HK 200M
X1
SMO 20
SMO 40
Temperature sensor on the supply pipeline at
the heating module upstream the isolation valve
(QN10)
Temperature sensor on the pipeline downstream the
heating module (BT63) must be connected in SMO
20 to clamps X2:9 and X2:10, while in SMO 40 to
AUX clamps, e.g.: X6:13 and X6:14, and then turn on
sensor power supply - see SMO40 installation man-
ual. Use a two-wire cable with the cross-section of at
least 0.5 mm².
9
10
11
6
8
7
HK 200M
SMO 20
SMO 20
X2
X1
BT63
LEK
L N 1 1 0 2 3 4 PE
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
SMO 20
HK 200M
X1
HK 200M
SMO 40
X1
BT63
L N 1 1 0 2 3 4 PE
1 2 3 4
LEK
AA3-X6
SMO 40
7
8
9
10
11
12
13
14
AUX3
AUX2
AUX1
AA3-X6
HK 200M
X1
SMO 20
SMO 40