Viessmann Vitocal 200-A - Page 221

Control panel
L3
N
L2
L1
400 V, 50 Hz
16 A
16 A
16 A
L3
N
L2
L1
ID: 4605058_1304_05
On-site wiring for external heat source demand plus DHW heating using the Vitotronic boiler control unit as an example. Match the
hook-up according to the installed boiler control unit.
230 V/50 Hz
2
X2.N
X1.
222.4
222.3
X3.1
STB
55
5
1
2
N
L1
M
1~
STS
21
3
1
1
2
ATS
3
32
51
TR
ON
150
N
STB
STB
TR/ON
UPSB
52
230 V/50 Hz
Low voltage
N
L1
M
1~
28
ZP
37
57
56
K2
K1
A1
A2
A1
A2
14
13
14
13
58
ID: 4605058_1304_05
Insert jumper from 1X3.1 to 222.3
Vitocal 300-A/350-A
(cont.)
226
VIESMANN
System examples
7
5822 472 GB