Viessmann Vitotwin 300-W Installation And Service Instructions For Contractors page 23

Preparing for installation
41 HK M1
N
40
L
L
20
N
on
off
1 2
2
2
1
2
17
1
2
BSB
1
51 HK M2
N
40
L
L
20
N
on
off
1 2
2
2
1
2
17
1
2
BSB
1
61 HK M3
N
40
L
L
20
N
on
off
1 2
2
2
1
2
17
1
2
BSB
1
(cont.)
230 V/50 Hz
M
M1 43
1~
VTS M1 42
2 B
BSB
230 V/50 Hz
M
M2 53
1~
52
VTS M2
230 V/50 Hz
M
63
M3
1~
M
63
M3
1~
62
VTS M3
Preparing for installation
23