Viessmann Vitocal 222-G User Manual page 127

Vitocal 200-S/222-S/242-S
Electrical installation scheme
2
X3.3
X3.4
X1.
X3.1
X2.N
X3.8
X1.
X3.9
212.3
X1.
X2.N
211.2
X1.
X2.N
211.4
X1.
X2.N
211.5
X1.
X2.N
211.3
224.4
X2.N
2
5
3
F0
2
1
F6
F14
2
145
1
LON
98
ID: 4605229_1304_08
Note
Instantaneous heating water heater 4, 3-way diverter valve 5 and
secondary pump 6 are already prefitted and wired.
VIESMANN
132
(cont.)
93
136
67
NTC 10 kΩ
ATS
NTC 10 kΩ
STS 31
NTC 10 kΩ
87
VTS
121 / 122 / 123
18
20
137
8 KM BUS distributor
3
145 2
1
3
145 2
3
1
3
145
2
1
15
83
FAS
50W
M
ZP 37
1~
130W
M
UP 6
1~
130W
M
UV 5
1~
AM 130
L1
400 V, 50 Hz
L2
3 / N / PE
L3
N
4
2
91 /
HC A1 95
1
99 / 120
System examples