Designs Connection And Wiring Diagram - Internal Connections - Viessmann Vitoladens 300-W Installation And Service Instructions Manual

Connection and wiring diagram
Fig. 68
X ... Electrical interfaces
Boiler water temperature sensor
§
Flue gas temperature sensor
aG
Stepper motor for diverter valve
dÖ
Temperature limiter
fJ
internal connections
–
Ignition unit
gF
Fan
a-Ö
A Fan control
a-Ö
Air pressure switch
aCA
Designs
91