Viessmann Vitolig
200 Technical Manual page 51

4 Vitolig 200
Only if the oil− and gas−fired boiler and Vitolig are connected to a common chimney
Connection of the DHW circulation pump
via the thermostat in the heating water
buffer storage unit
21
A
L N
1
2 3
B
A Plug sA for Vitotronic
B Control thermostat qE in the oil− or
gas−fired boiler
C Circulation pump for DHW cylinder
heating 4
Connection of the on−site circulation pump for heating the cylinder
for Vitopend 200 and Vitodens 100/200 up to 32 kW
Adaptor
(connection
qI
extension)
X5
X2
1
2 1
3 2
4 3
1
2
159
3
L L
PE PE
N N
50 40
N PE 1
M
1~
Connection to plug aBH in
4 Vitopend or Vitodens
control unit
52
Locking out the oil− or gas−fired boiler
through the flue gas temperature monitor
and the door interlock switch on
Vitolig 200
STB N STB TR
M
1~
C
*1
Remove the wire jumper.
D Plug aBÖ in Vitotronic
E Flue gas temperature monitor
F Door interlock switch
30
On−site terminals
20 19
X13
Control unit connector strip
for gas−fired boiler
150
TR
D
ON
ON
*1
E
Connection for three−way changeover valve
30
for gas−fired boiler
Disconnect three−way changeover valve
F
Function:
The burner of the oil− or gas−fired boiler is
switched off, if the flue gas temperature
exceeds 60 ºC or if the door is opened.