Intergas Heating Ltd
49
10.1 Disassembly
1. Switch off the appliance using the On/Off key on the operating panel.
2. Switch off the electrical supply to the appliance.
3. Close the gas tap.
4. Unscrew the two sunken screws left and right at the front underneath the
appliance and lift/remove the front panel.
5. Wait until the appliance and the burner have cooled down.
6. Remove the connectors from the gas valve and the fan.
7. Disconnect the coupling beneath the gas valve.
8. Unscrew the 10 socket screws from the front cover and remove this forwards
complete with gas valve and fan.
While removing the front cover do not hold this at the gas valve and/or the fan.
9. Be careful not to damage the burner and the fan while removing the front plate.
10. The burner does not need any maintenance.
11. Never clean the burner with a brush or compressed air. This causes damage to
the metal fibre.
12. Clean the bottom side of the heat exchanger and the condensate discharge at
the bottom of the flue discharge behind the heat exchanger.
13. Remove the cup of the inernal siphon at the bottom side of the boiler.
The amount of condensate water in the internal sifon exceeds
the content of the cup. Please make sure a bucket is held
under the cup when removing it.
14. Clean the siphon cup and the condensate discharge pipe.
15. After cleaning, fill the siphon with water by removing the hose that comes from
the PRV. After filling the siphon make sure the hose is placed back
Note
A regular inspection of the build in expansion vessel pressure is advisable. Access
to re-pressurise the expansion vessel is at the rear back of the vessel.
The boiler is equipped with a non-return valve (A),
positioned above the fan. Check that the valve is still
in good condition and ensure the valve is
repositioned correctly when replacing the fan.
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