Pressure Measuring Nipple, Rotary Feeder, Blower Wheel, Blower Box And Exhaust Pipe; Pressure Measuring Nipple For Combustion Chamber Pressure Switch; Rotary Feeder - Baxi Bioflo 12 kW Granite User Operating Instructions Manual

Care, cleaning and maintenance
3.9 Pressure measuring nipple, rotary feeder, blower wheel,
blower box and exhaust pipe
These parts are automatically checked and cleaned as part of the annual maintenance by WINDHAGER Custo-
mer Service or the customer service PARTNER.
It is essential to let the boiler cool down before cleaning.
– Unhook the right side panel cladding and disconnect the mains power plug over the control panel – Fig. 149
– Remove the screw under the mains power plug on the control panel (Fig. 149) and swivel open the control panel.
Mains
power plug
Fig. 149

3.9.1 Pressure measuring nipple for combustion chamber pressure switch

The pressure measuring nipple must always be free from fly ash so that the combustion chamber pressure can
be monitored.
Cleaning:
– Pull the pressure hose off the pressure measuring nipple (Fig. 150) and clean the induction opening in the pres-
sure measuring nipple, e.g. using a small screwdriver, drill bit or the like – Fig. 151.
– Push the pressure hose back onto the measuring nipple.
Pressure hose
Fig. 150

3.9.2 Rotary feeder

Cleaning:
– Unscrew the screw plug (WAF 22) from the rotary feeder (Fig. 152) and vacuum pellet dust out of the rotary fee-
der using a vacuum cleaner.
– Screw the screw plug back in.
Removing the power plug and screw
Pulling off the pressure hose
Pressure measu-
ring nipple
Fig. 151
49
Cleaning the induction opening with
a small screwdriver or the like