Frost Protection (In Conjunction With Optional Diverter Valve); Frost Protection; (Without Optional Diverter Valve) - Worcester GREENSTAR CDi CLASSIC SYSTEM User Instructions

3.5

FROST PROTECTION

(IN CONJUNCTION WITH OPTIONAL DIVERTER VALVE)
Activating frost protection will turn off the boiler and prevent
heating of the central heating and domestic hot water cylinder.
If the temperature within the boiler drops to 5°C the boiler will
fire to avoid the possibility of freezing.
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Fig. 5
To activate frost protection:
▶ Leave ON/OFF button [1] on.
▶ Turn the central heating temperature control to
3.6 FROST PROTECTION

(WITHOUT OPTIONAL DIVERTER VALVE)

Frost protection is only guaranteed from the external room
temperature thermostat.
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.
GREENSTAR CDi CLASSIC SYSTEM – 6 720 812 178 (2014/07)
.
Operating the boiler
6 720 812 178-04.1O
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