Maintenance; General; Standard Inspection And Maintenance Operations; Performing The Annual Service - Baxi POWER HT+ Series Installation And Service Manual

10 Maintenance

1 1 0.1 General

10.2 Standard inspection and maintenance operations

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We recommend having the boiler inspected and serviced at regular inter­
vals.
Boiler maintenance and cleaning must be carried out at least once a
year by a qualified professional.
Have an inspection carried out and the flues swept a a t least once a year
or more, depending on the regulations in force in your country.
Caution
Failure to service the appliance voids the warranty.
Caution
Maintenance work must be carried out by a qualified professional.
Caution
Only genuine spare parts may be used.

10.2.1 Performing the annual service

1. Check the outward appearance and tightness of the gaskets on the
gas circuit and the combustion circuit.
2. Check for any impurities inside the combustion chamber. Use a vac­
uum cleaner for any cleaning work.
See
Cleaning the heat exchanger, page 109
3. Check the condition of the insulation in the door and at the bottom of
the combustion chamber and the condition of the gaskets on the
combustion chamber door.
4. Check the condition and position of the ignition and flame detection
electrodes, in addition to the condition of the burner and its retaining
device.
See
Checking the burner, page 109
5. Check for any impurities inside the siphon.
See
Cleaning the siphon, page 111
6. Dry up as much as possible any water that may have stagnated in
the bottom of the boiler as the result of a maintenance operation.
7. Check that there are no obstructions in the discharge and air intake
pipes.
8. Check that the fan is working correctly.
9. Check the combustion and the correct calibration of the gas valve.
See
Check the combustion, page 112
10. Check the pressure in the heating system.
11. Check the pressure in the expansion vessel.

10.2.2 Removing the burner

1. Switch off the mains supply to the boiler.
2. Close the gas inlet valve.
3. Close the valves on the heating circuits.
4. Accessing the internal boiler components
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