Connection and wiring diagram
A1
Main PCB
X...
Electrical interfaces
§
Boiler water temperature sen-
sor
aA
Ionisation electrode
fJ
Temperature limiter
internal connections
gF
Ignition unit
a-Ö
Fan motor
a-ÖA Fan motor control
aND
Water pressure sensor
a:Ö
Modulation coil
Designs
107