Viessmann Vitotwin 300-W - Page 12

12
Electrical installation scheme
2
L
N
4
Vitotwin
230 V/50 Hz
L 1
N
PE
PE
L
N
N
PE
L
L 2
X100
3
2
F
X200
X301
k
2
x
2
3
4
X300
h
2
3
H5
2
n
2
3
b
2
b
2
1
3
2
1
3
2
X207
DM
3 A
VC 100
71
S
2
3
3 B
FBE
70
S
BSB
B3
B4
B41
WIRELESS
1
2
1
2
1
2
1
2
1
2
B42
B10
ATS
1
2
X1
ATS
4
6
PTSO B4
PTSU B41
7
STS B3
5
PTSU B10/42
8
Control unit
2
18
6
2 B
Junction box
Low voltage
X301
X207
X300
6
6
6
QX1
PE
L 1
N
QX2
4
3
2
Z
L 2
QX4
4
3
2
M
4
3
2
J
EX2
EX1
B4
ATS
B41
B3
B42
B10
BSB
WIRELESS
X1
Junction box
Low voltage
2 B
X301
X207
X300
18
6
6
6
L 1
N
PE
L 2
QX3
61
41
51
Preparing for installation
Preparing for installation
(cont.)
5618 294 GB