Viessmann Vitocal 222-G User Manual page 202

Vitocal 300-A/350-A
Electrical installation scheme
2
X3.3
X3.4
X1.
X3.1
X2.N
X3.8
X1.
X3.9
X3.18
X2.1
X1.1
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
F0
F6
F8
F14
2
145
1
LON
98
ID: 4605092_1304_05
A Switching module for instantaneous heating water heater
System examples
(cont.)
94
20
136
Ni500
ATS 3
PT500
STS 31
PT500
VTS 7
Ni500
VTS 93
121 / 122 / 123 / 124 / 125
18
<16A
A
16A
16A
16A
137
8 KM BUS distributor
3
145 2
1
3
145 2
1
3
145
2
1
15
83
FAS
L1
N 230 V/50 Hz
50 W
M
ZP 37
1~
130 W
M
UP 6
1~
130 W
M
5
UPSB
1~
AM 130
L1
400 V, 50 Hz
L2
3 / N / PE
L3
N
4
2
HC A1 91
1
99 / 120
VIESMANN
7
207