Main Pcb Up To 80 Kw - Viessmann Vitocrossal 100 Series Service Instructions For Contractors

Connection and wiring diagram
Connection and wiring diagram

Main PCB up to 80 kW

Fig. 69
/ A Boiler water temperature sensor
§ §
Ionisation electrode
aA
Flue gas temperature sensor
aG
Ignition unit
gF
122
(cont.)
a¢Ö
A
a¢Ö
A Modulation coil
a:Ö / a:Ö
X9.8/9
Fan motor
Fan motor control
Combustion chamber pressure limiter