A1 Main PCB
X... Electrical interf aces
§ Boiler water temperat ure sen-
sor
$ Draw-off temperature sensor
% Cylinder temperature sensor
aA Ionisation electrode
aG Flue gas temperature senso r
dÖ Stepper motor for diverter
valve
Connection and wiring diagram – internal connections
106
Designs
5692 619 GB
