Viessmann Vitolig
200 Technical Manual page 23

Wiring diagram for application example 1
Connection of circulation pumps, mixer motors and low water indicator
XS/1
2
3
4
5
6
External
7
warning device
8
1 X2
2
N
3
4 X4
5 X6
6
N
7
8 X9
1 X2
2
N
3
4 X4
5 X6
6
N
7
8 X9
OP − open
CL − closed
Connection temperature sensors and remote control units
1 Y2
2
Gnd
3
4 Y3
5 Y4
6
Gnd
7
8 Y5
9 Y7
10
Gnd
11
Connection for auto.
12 L+
pellet feeder
13 L−
1 Y2
2
Gnd
3
4 Y3
5 Y4
6
Gnd
7
8 Y5
9 Y7
10
Gnd
11
Connection of solar heating components
Emergency stop switch
Low water
indicator qP or
escape switch
L
Heating circuit pump 4
N
N
Circulation pump for
DHW heating 9
L
Mixer motor 2
OP
M
N
CL
L
Heating circuit pump 4
N
OP
Mixer motor 2
M
N
CL
Flow temperature sensor
DHW cylinder temperature sensor 8
Outside temperature sensor
6
Remote control
5
Flow temperature sensor
6
Remote control
5
see Technical Guide for Solar Heating Systems, application example 1.
heating system
3 Vitolig 300
23