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Minimum room temperature -5°C
Insulate the visible pipes and fittings with 10 mm thick insulating material (cooling inlet pipe, heating outlet pipe and condensate drain-
ing pipe).
The appliance comes as per standard with an antifreeze function that activates the pump and the burner when the system water temper-
ature in the appliance falls below 4°C.
In these conditions, previously listed, the appliance is protected against freezing up to an ambient temperature of -5°C.
If the appliance is installed in a place where the temperature drops below -5°C, the appliance may freeze.
When installing the appliance in locations where the temperature falls below -5°C, installation of the antifreeze kit is required,
respecting all the conditions listed above.
Minimum room temperature -15°C
Protect the domestic hot water circuit (when paired with a storage tank unit) against freezing by using an accessory that is supplied on
request (antifreeze kit) comprising an electric resistance, the relevant wiring and a control thermostat (carefully read and follow the in-
stallation instructions contained in the accessory kit pack).
The warranty does not cover damage due to interruption of the electrical power supply and failure to comply with that stated on the pre-
vious pages.
In the previously listed conditions ad with the addition of the antifreeze kit, the appliance is protected against freezing up to a
temperature of -15°C.
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