Viessmann Vitotwin 300-W Installation And Service Instructions For Contractors page 22

Preparing for installation
Preparing for installation
Electrical installation scheme
11 KO1B / KO2B
N
40
L
1
L
96
40
N
50
7
41
41
150
2
X12
X12 41
N
20
L
N
21
L
28
3
191 2
1
9
2
15
1
2
5
1
2
3
1
3
1
2
1
4
3
145
2
1
22
(cont.)
230 V/50 Hz
EA1 17
7
41
M
UPSB 15
1~
13
STS
KTS 14
74
ATS 12
EA1
17
N
11
40
96
L
N
40 A
L
P
157
Ö
S
4
0-10V
3
2
DE3
1
2
DE2
1
2
DE1
1
2
145
1
2
145
1
21
A1
K1
18
A2
22
S
71
72
73
73
2 A
X5/1
X5/2
2 A