Viessmann Vitocal 222-G User Manual page 98

Vitocal 300-G/350-G
Electrical installation scheme
2
X3.9
X1.
X3.8
211.1
X1.
X2.N
211.2
X1.
X2.N
211.4
X1.
X2.N
212.2
X1.
X2.N
212.3
X1.
X2.N
211.3
224.4
X2.N
225.3
X1.
X2.N
225.2
225.1
X1.
X2.N
2
F0
F4
F6
F12
F13
2
145
1
LON
98
ID: 4605354_1304_03
A Plug aCH is connected to the cable harness
B Switching module for instantaneous heating water heater
System examples
(cont.)
136
A
74
Ni500
ATS 3
PT500
PTS 61
PT500
STS 32
Ni500
VTS M2 73
PT500
VTS 62
121 / 122 / 123 / 124 / 125
B
16A
137
20
8 KM BUS distributor
3
145 2
1
3
145
2
1
3
145 2
1
230 V; 0.5 A 21
200 W
M
PUP 5
1~
130 W
M
6
SUP
1~
130 W
M
7
UPSB
1~
100 W
M
UP A1 96
1~
50 W
M
ZP 37
1~
L1
400 V, 50 Hz
L2
3 / N / PE
L3
N
4
OPEN
M
M2 77
1~
CLOSE
100 W
M
UP M2 76
1~
2
71 /
HC A1/M2 91
1
99 / 120
VIESMANN
4
103