Servicing The Boiler - Chappee EDENA CLASSIC E 35 Installation And Servicing Instructions

9.0 SERVICING THE BOILER

9.1 Annual Servicing
1. For reasons of safety and economy, it is recommended
that the boiler is serviced annually. Servicing must be
performed by a competent person.
2. Ensure that the boiler is cool.
3. Ensure that both the gas and electrical supplies
to the boiler are isolated.
4. Undo the two securing screws from the rear of the top
panel. Remove the panel.
5. Disengage the front panel from the retaining magnets
and hinge forwards. Unhook the panel from the lower
hinge pins and place to the right hand side, taking
care not to stretch the earth wire.
6. Undo the wing nuts securing the combustion box top
panel. Remove the panel.
7. Undo the disconnecting union on the gas inlet. Remove
the screw securing the burner ignition control to the
gas valve. Draw the control off the valve.
8. Undo the two nuts securing the valve, injector mani
fold and burner assembly to the boiler.
9. Hold the manifold and carefully draw the assembly
away from the boiler. Retain the washer from the gas
inlet connection.
10. Brush any dirt or debris from the burner skins. Exa-
mine the burners for blocked ports. Any blockage can
be removed using a fine wire brush.
11. Inspect the pilot assembly, electrodes and injectors.
Replace if necessary.
12. Ensure that the spark and sensing leads are clipped
into the separation brackets and do not cross over
each other.
13. Slide a suitable sheet of paper or cloth undert he
boiler heat exchanger.
14. Unclip the brush from the top edge of the left hand
side panel clean between the boiler fins. Check for
any blockage.
15. Carefully withdraw the sheet and dispose of in a
proper manner. Check under the boiler and remove
any fallen dirt or debris.
16. Reassemble in reverse order of dismantling and
recommission.
Réf. : CH - 1254 - I - 0 - EN
Top Panel
Magnets
Front Panel
Wing Nuts
Combustion Box
Top Panel
Gas Cock
Sealing Washer
Disconnecting
Securing
Union
Screw
Burner
Gas Valve
I g n i t i o n
Control
Securiting
Nuts (x2)
12
Securing
Screws
Heat Exchangeur
Fins
Cleaning Brush
Sheet of
Paper
Manifold
Pilot assembly
Burner
Skin