Viessmann Vitocal 222-G User Manual page 108

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
212.2
X1.
X2.N
212.3
X1.
X2.N
211.3
224.4
X2.N
224.2
X1.
X2.N
224.3
X1.
X2.N
225.3
X1.
X2.N
225.2
225.1
X1.
X2.N
ID: 4605356_1304_03
A Plug aCH is connected to the cable harness
B Switching module for instantaneous heating water heater
System examples
(cont.)
136 A
73
A1 13
iT
K1
A2 14
B
16A
137
20
1
175
AC-Box
80
2
230 V; 0.5 A 21
200 W
M
PUP 5
1~
130 W
M
SUP 6
1~
130 W
M
UPSB 7
1~
1
AC-Box 171D
80
2
1
AC-Box 171E
80
2
L1
230 V/50 Hz
N
M iR
UPAC
1~
100 W
M
UP A1 96
1~
50 W
M
37
ZP
1~
L1
400 V, 50 Hz
L2
3 / N / PE
L3
N
4
200 W
M
PUP 25
1~
130 W
M
SUP 10
1~
OPEN
M
M2 77
1~
CLOSE
100 W
M
UP M2 76
1~
VIESMANN
113
4