Viessmann Vitocal 300-G Installation And Service Instructions Manual page 52

Preparing for installation
System example 2, ID: 4605351_1008_01
4
212.1
X1.
X2.N
211.5
X1.
X2.N
X3.9
X1.
X3.8
211.1
X1.
X2.N
212.2
X1.
X2.N
211.4
X1.
X2.N
212.3
X1.
X2.N
211.2
X1.
X2.N
211.3
224.4
X2.N
225.3
X1.
X2.N
225.2
225.1
X1.
X2.N
X3.18
X2.1
X1.1
A Plug aCH connected to the cable
harness
B Control module for instantaneous
heating water heater
52
16
1
171E
2
40
1
171D
2
1
175
2
B
136 A
137
54
20
(cont.)
L1
230 V, 50 Hz
N
M
UP AC
1~
L
N
230 V, 50 Hz
DW
200 W
M
UP
1~
100 W
M
UP A1
1~
130 W
M
UPSB
1~
50 W
M
ZP
1~
130 W
M
UP
1~
16 A
L1
400 V, 50 Hz
L2
3 / N / PE
L3
N
OPEN
M
M2
1~
CLOSE
100 W
M
UP M2
1~
<16 A
L1
N 230 V, 50 Hz
45
15
5
63
7
22
6
2
56
55