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Maintenance, 11 condensate trap and siphonic drain, 12 heat exchanger – Glow-worm Ultracom hxi User Manual

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0020107233_00 - 06/11 - Glow-worm

MAINTENANCE

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13.11 Condensate Trap and Siphonic Drain

For access, refer to section 13.1.

Refer to diagram 13.6.

Remove the igniter unit as described in section 13.3 to

improve accessibility.

Remove the securing clip from the heat exchanger adapter,

then disconnect the adapter and flexible hose.

Lift the siphon adapter and hose out of the condensate trap

and siphonic drain, do not disconnect the hose.

Disconnect the drain connection.

Slacken to disengage but do not remove the two securing

screws.

The condense trap will contain water, lift taking care not to

spill the water.

After replacement and before fitting the adapter fill the trap

with water.

Cleaning

Remove the condense trap as previously described.

Remove the float to clean it.

Remove any solids found.

Flush water through the trap to remove any remaining solids.

Check for any debris in the outlet hose of the condensate

drain and clean as necessary.

13.12 Heat exchanger

Refer to Manual Handling section.

For access, refer to section 13.1.

Refer to section 11.3 for removal of the fan, gas valve and

burner assembly.

Drain the boiler.

Remove the securing clip from the heat exchanger adapter

then disconnect the adapter and flexible hose.

Undo the two nuts of the flow and return pipes from the heat

exchanger.

Move the hoses away from the heat exchanger.

Loosen the three heat exchanger securing screws and clamps

(two at the top and one at the bottom) to remove the heat

exchanger, see diagram 13.8.

CaUTIon: There will be water in the heat exchanger.

Remove condense pipe connector from bottom of heat

exchanger.

Carefully ease heat exchanger out.

13522

Diagram 13.6

13570

13544

Diagram 13.7

Diagram 13.8