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Operating the boiler
GREENSTAR CDi CLASSIC COMBI – 6 720 812 179 (2014/07)
3.5 FROST PROTECTION (FOR THE BOILER)
Activating frost protection will turn off the central heating
system.
Heating of domestic hot water will stay activated.
If the temperature within the boiler drops to 5°C the boiler will
fire to avoid the possibility of freezing.
Fig. 5
To activate frost protection:
▶ Leave ON/OFF button [1] on.
▶ Turn the central heating temperature control to .
3.6 FROST PROTECTION (FOR THE HEATING SYSTEM)
If remote pipework is likely to be subject to freezing conditions:
▶ Ensure the installer has fitted a frost thermostat in the area
to protect the pipework from freezing.
▶ Ensure the installer has added a suitable anti-freeze fluid to
the water in the central heating system.
6 720 812 178-04.1O
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