Decommissioning - Potterton SIRIUS THREE FS 50 Installation Manual

12 Decommissioning

12.1 Decommissioning procedure
12.2 Recommissioning procedure
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Caution
Only qualified professionals are authorised to carry out
maintenance work on the boiler and the heating system.
To switch off the boiler temporarily or permanently, proceed as follows:
1. Switch the boiler off.
2. Cut the electrical power to the boiler.
3. Close the gas valve on the boiler.
4. Drain the central heating system or ensure frost protection.
5. Close the door of the boiler to prevent air circulating inside it.
6. Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug.
Caution
Only qualified professionals are authorised to carry out
maintenance work on the boiler and the heating system.
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 completely full.
4. Put the siphon back in place.
5. Fill the central heating system.
6. Start up the boiler.
For more information, see
Check-list before commissioning, page 56
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