Viessmann Vitocrossal - Main PCB Wiring (from 240 kW)

100
Main PCB from 240 kW
Fig. 64
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§
A
Boiler water temperature sensor
aA
Ionisation electrode
aG
Flue gas temperature sensor
gF
Ignition unit
a¢Ö
Fan motor
a¢Ö
A
Fan motor control
a:Ö
Modulation coil
X9.8/9 Combustion chamber pressure switch and
water pressure switch
Connection and wiring diagram
Connection and wiring diagram (cont.)
5839829
Appendix