Viessmann Vitocal 200-A - Page 88

Electrical installation scheme, external heat source demand
L
N
0-10V
1
2
5
6
3
4
EA1
wQ
DE1
DE2
DE3
145
157
40A
40
230 V, 50 Hz
29
2
22
21
28
K2
K1
A1
A2
A1
A2
2
14
13
222.4
224.7
230 V/50 Hz
230 V/50 Hz
40
Low voltage
LON
ATS
1
KTS
3
1
2
wP
X3.7
X3.6
145
X3.2
X3.1
X3.3
KO1B/KO2B/KW6B
L
N
S
P
Ö
1
2
1
2
L
N
ID: 4605352_1304_03
Electrical connection changeover "Heating/cooling" via switching module on cooling circuit M2
AM heat/cool
qCP
R6
211.5
2
1
3
4
5
6
7
8
9
c
d
e
f
230 V/50 Hz
3
5
2
1
N
N
RF
TA
M
1~
STA
M
1~
STA
RTH
qCQ
qCW
qCW
2
R1
ID: 4605352_1304_03
Vitocal 300-G/350-G (cont.)
System examples
VIESMANN
93
5822 472 GB
4