Viessmann Vitocal 222-G User Manual page 79

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
211.5
X1.
X2.N
212.1
X1.
X2.N
4
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
ID: 4605351_1304_03
A Plug aCH is connected to the cable harness
B Switching module for instantaneous heating water heater
VIESMANN
84
(cont.)
136 A
54
A1 13
rZ
K1
A2 14
B
16A
137
20
1
AC-Box 175
16
2
230 V; 0.5 A
15
200 W
M
PUP 5
1~
130 W
M
SUP 6
1~
130 W
M
UPSB 7
1~
1
AC-Box 171D
16
2
1
AC-Box 171E
16
2
L1
230 V/50 Hz
N
M rT
UPAC
1~
100 W
M
UP A1 63
1~
50 W
M
ZP 22
1~
L1
400 V, 50 Hz
L2
3 / N / PE
L3
N
4
OPEN
M
M2 56
1~
CLOSE
100 W
M
UP M2 55
1~
System examples