Stopping The Boiler - DeDietrich GT 224 Installation And Service Manual

5. Stopping the boiler

5 Stopping the boiler
Precautions to take if there is a danger of frost
Heating circuit:
Use a correctly dosed antifreeze to prevent the heating water
freezing. If this cannot be done, drain the system completely. In all
cases, consult the fitter.
Domestic hot water circuit:
Drain the domestic water tank and pipes.
Precautions to take in the event of prolonged
shutdown (one year or more)
- The boiler and the chimney must be swept carefully.
- Close the door of the boiler to prevent the internal circulation of air.
- Remove the pipe connecting the boiler to the chimney and plug the
nozzle.
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GT 220 - GT 2200 22/01/09 - 300008281-001-E