Component Replacement And Cleaning; Draining The Boiler; Draining The Heating Circuit - Baxi LUNA DUO-TEC 60 GA Notice D'installation

11.3 Component Replacement And Cleaning

1.
Remove any deposits from heat exchanger using suitable soft brush. Do not use brush with metallic bristles.
2.
Check condition of the combustion chamber insulation panels. Any damaged panels must be replaced.
3.
Check condition of burner injector on the manifold, carefully clean it with a soft brush if necessary. Do not use a brush with
metallic bristles this might damage the injector.
4.
Remove any fallen deposits from bottom of inner case.
5.
Clean burner with soft brush and check flame ports are clear. Blockages may be removed with stiffer brush.
6.
Check condition of electrodes.
7.
Check spark gap, positioning and height of electrodes.
8.
Check fan impeller is clean and free to rotate.
Before servicing, turn off electrical power to boiler at service switch. Close manual gas valve to turn gas supply
OFF to boiler. Failure to follow these instructions Will result in death or serious injury.

11.4 Draining the Boiler

1.
Turn boiler off
2.
Isolate electrical supply
3.
Close boiler gas service cock
4.
Allow boiler to cool
5.
Drain boiler through onboard drain if available or external drain valve.

11.5 Draining the Heating Circuit

• Follow all steps in 11.4.
• Close central heating flow and return valves.
• Connect suitable pipe to drain point.
• Route it to suitable container.
• Open drain tap.
Figure 11-1 ELECTRODES
240012485 REV A [12/30/2018]
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DANGER
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