Baxi Potterton Boiler Wartungshandbuch PDF herunterladen (Seite 36)

912.823.1 - GB

INSTRUCTIONS PERTAINING TO THE INSTALLER

To facilitate measurement of the combustion efciency and improve the cleanliness of the production products,

the chimney sweep function can be activated by proceeding as described below:

1) Press the (2-3) together until the pointer “ ” appears on the display alongside the symbol (about 3

seconds but no more than 6 seconds). In these conditions, the boiler operates at the maximum heat output

in central heating mode.

2) Press either of the buttons to exit the function

020429_0200

Figure 18

To ensure the boiler operates at peak efciency, the following checks must be performed every year:

• Check on the appearance and tightness of the gas and combustion circuit gaskets;

• Check on the condition and position of the ignition and ame sensing electrodes (see section 16);

• Check on the condition of the burner and its xing to the aluminium ange;

• Check for any dirt in the combustion chamber. Use a vacuum-cleaner for this cleaning operation;

• Check that the gas valve is calibrated correctly (see section 13);

• Check that there is no dirt in the siphon;

• Check on the central heating system pressure;

• Check on the central heating expansion vessel pressure.

18. ACTIVATING THE CHIMNEY SWEEP FUNCTION

19. ANNUAL SERVICE

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Baxi Potterton Boiler Wartungshandbuch Seite 36