Designs; Connection And Wiring Diagram - Internal Connections - Viessmann VITODENS 200-W Service Instructions Manual

Wall mounted gas condensing boiler natural gas and lpg version
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Designs

Connection and wiring diagram – internal connections
A1
Main PCB
X...
Electrical interfaces
§
Boiler water temperature sensor
aA
Ionisation electrode
aG
Flue gas temperature sensor
134
fJ
Temperature limiter
gF
Ignition unit
a-Ö
Fan motor
a-ÖA Fan motor control
a:Ö
Modulation coil

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