Connection And Wiring Diagram; Internal Connections - Viessmann Vitodens 200-W Series Installation And Service Instructions Manual

Connection and wiring diagram

Fig. 70
A1 Main PCB
X... Electrical interfaces
A Boiler water temperature sensor
§
B Boiler water temperature sensor
§
Ionisation electrode
aA
Flue gas temperature sensor
aG

Internal connections

–
dD Flow switch
Ignition unit
gF
Fan motor
a-Ö
A Fan motor control
a-Ö
Modulation coil
a:Ö
Designs
103