Connection And Wiring Dia-Internal Connections - Viessmann VITODENS 200-W Installation And Service Instructions Manual

Internal connections
Fig.78
A1 Main PCB
X... Electrical interfaces
A Boiler water temperature sensor
§
B Boiler water temperature sensor
§
Ionisation electrode
aA
Flue gas temperature sensor
aG
Connection and wiring diagram
dD Flow switch
Ignition unit
gF
Fan motor
a-Ö
A Fan motor control
a-Ö
Modulation coil
a:Ö
121