Viessmann Vitocal 222-G User Manual page 187

Vitocal 200-A
(cont.)
Electrical installation scheme
2
X3.3
X3.4
X1.
X3.1
X2.N
X3.8
X1.
X3.9
212.3
X1.
X2.N
211.5
X1.
X2.N
211.4
X1.
X2.N
211.2
X1.
X2.N
211.3
224.4
X2.N
2
3
F0
2
1
F6
F8
6
F14
2
145
1
LON
98
ID: 4605547_1304_02
A Switching module for instantaneous heating water heater
aCH In switching module cable harness
VIESMANN
192
18
FSW
94
TW
20
136
67
NTC 10 kΩ
ATS
NTC 10 kΩ
STS 31
PT 500
VTS 7
NTC 10 kΩ
VTS 89
121 / 122 / 123
A
16A
16A
16A
137
8 KM BUS distributor
3
145
2
1
3
3
145 2
1
3
145
2
1
3
145 2
1
15
83
FAS
50 W
M
37
ZP
1~
AM 130
M
USV 5
1~
130 W
M
SUP 6
1~
L1
400 V, 50 Hz
L2
3 / N / PE
L3
N
4
2
HC A1 91 / 92
1
99 / 120
System examples