Baxi Potterton WH65 Boiler User Manual


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INSTRUCTIONS PERTAINING TO THE INSTALLER 926.772.1 - GB/IE
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
set for central heating.
2) Press either of the buttons to exit the function.
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18);
•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ifthesyphontrapisdirty;
•Checkthatthegasvalveiscalibratedcorrectly(seesection15);
•Checkonthecentralheatingsystempressure.
20. ACTIVATING THE CHIMNEY-SWEEP FUNCTION
21. ANNUAL SERVICE
Figure 19
020429_0200
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