Main Pcb 120 To 160 Kw - Viessmann Vitocrossal 100 Series Service Instructions For Contractors

Connection and wiring diagram

Main PCB 120 to 160 kW

Fig. 70
/ A Boiler water temperature sensor
§ §
Ionisation electrode
aA
Flue gas temperature sensor
aG
Ignition unit
gF
(cont.)
Fan motor
a¢Ö
A Fan motor control
a¢Ö
Modulation coil
a:Ö
X9.8/9 Combustion chamber pressure limiter
Connection and wiring diagram
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