Filter
Top Products
14.0 Servicing the Boiler
40
© Baxi Heating UK Ltd 2011
14.2 Annual Servicing - Inspection
WARNING: The PCB Control and Fan
Assembly are 325 Vdc. Isolate system
controls before access
1. Ensure that the boiler is cool.
2. Remove the facia and front door panel.
3. Release the four
1
/
4
turn screws securing the air box door
panel and remove the panel (Fig. 39).
4. Disconnect the three leads from the terminals (Fig. 40).
5. Undo the four screws securing the combustion box door
and remove the door (Fig. 41).
6. Visually check for debris/damage and clean or replace if
necessary the following:
a) Burner.
b) Heat exchanger fins.
c) Fan compartment
(Check also for condensate leaks).
d) Insulation.
e) Door seals-Important: Pay particular attention to
the condition of the combustion box door seals.
f) Electrodes.
g) The condensate trap.
h) The condensate pump
i) Top of heat exchanger.
Air Box Door Panel
Lead Terminals
Combustion Box
Door Panel
Fig. 39
Fig. 41
Fig. 40
Sensing
Earth
Spark
Sleeve