Viessmann Vitocal 300-G Installation And Service Instructions Manual page 46

Preparing for installation
System example 1, ID: 4605350_1008_01
Electrical installation scheme
For an overview of the electrical connec-
tions and more information on the PCBs,
see from page 72 and the separate
service instructions, Vitotronic 200 heat
pump control unit.
4
211.5
X1.
X2.N
211.1
X1.
X2.N
211.4
X1.
X2.N
212.3
X1.
X2.N
211.2
X1.
X2.N
211.3
224.4
X2.N
X3.18
X2.1
X1.1
X3.8
X1.
X3.9
2
145
1
A Plug aCH connected to the cable
harness
B Control module for instantaneous
heating water heater
46
For information regarding the power sup-
ply, see page 94.
33
20
B
136 A
137
15
11
3
2
145
1
3
145 2
1
(cont.)
NC
200 W
M
UP
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
<16 A
L1
N 230 V / 50 Hz
43
1
H1 HK A1
2
40
5
7
22
6
2
31