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11 Decommissioning
11 Decommissioning
11.1 Decommissioning procedure
Fig.64
Cutting the mains power supply
11.2 Recommissioning procedure
42
EFU
If you need to decommission the boiler, either temporarily or permanently,
proceed as follows:
1. Switch the On/Off switch to Off.
2. Switch off the mains supply to the boiler.
3. Close the oil inlet.
4. Ensure that the boiler and system are protected against frost dam
age.
5. Have the boiler and the chimney carefully swept.
6. Close the door of the boiler to prevent air circulating inside it.
7. Remove the pipe connecting the boiler to the chimney and close the
MW-0000149-1
nozzle with a plug.
8. Drain the domestic hot water tank and the domestic water pipes (for
systems with a domestic hot water tank).
Should it prove necessary to carry out the recommissioning of the boiler,
proceed as follows:
1. Re-establish electrical power to the boiler.
2. Remove the siphon.
3. Fill the siphon with water.
The siphon must be filled up to the marker.
4. Put the siphon back in place.
5. Fill the central heating system.
6. Start up the boiler.
Warning
Only qualified professionals are authorised to work on the boiler
and the heating installation.
7642066 - v01 - 29092015
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