Commissioning; Switching Off The Boiler; Precautions Required In The Case Of Long Boiler Stops; Precautions Required If The Heating Is Stopped When There Is A Risk Of Freezing - Potterton NXR3i Installation And Service Manual

5 Commissioning

See:
- Control panel instructions.
- Burner instructions.
- Domestic hot water calorifier instructions.

6 Switching off the boiler

Set the On/Off switch to O.
See: Control panel instructions.
Cut the gas supply to the boiler (if present).

6.1 Precautions required in the case of long boiler stops

- The boiler and the chimney must be swept carefully.
- Close all the doors of the boiler to prevent air from circulating inside
the boiler.
- We advise removing the pipe which connects the boiler to the
chimney and to close off the nozzle with a cover.

6.2 Precautions required if the heating is stopped when there is a risk of freezing

We recommend the use of a correctly dosed antifreeze agent to
prevent to the heating circuit from freezing.
If this cannot be done, drain the system completely.
28/08/2012 - 300029292-001-02 NXR3i
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