Annual Servicing - Baxi Bermuda 45/4 M Installation And Servicing Instructions

ANNUAL SERVICING - Page 25
To perform annual servicing of the back boiler it is necessary
to remove the firefront.
After servicing, complete the relevant section of the
"Benchmark" Installation, Commissioning and Service
Record Log Book. This should be in the possession of the
user.
Removal of Firefront
Isolate the electrical supply to the appliance and ensure the
permanent live (where fitted) has also been isolated.
Turn the gas service tap to the OFF position.
Refer to the separate firefront instructions for the removal of
the firefront.
Removal of Controls
ELECTRONIC CONTROLS MODELS
Remove the thermostat sensor and retaining strip from the
heat exchanger and carefully remove the sensor wire from
its routing clips.
Remove the controls heat shield from its retaining clips.
Remove the four screws retaining the combustion box door
and remove the door.
Lift and remove the injector insulation pad.
Pull the input socket from the plug on the PCB.
Disconnect the union nut from the gas service tap.
Slacken the two screws securing the controls to the base
tray and remove the screws securing the controls to the
combustion box.
Withdraw the controls assembly from the boiler.