100
Main PCB from 240 kW
Fig. 64
§
/
§
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