15
Operating the Appliance
6 720 610 577 GB (03.02)
ECO mode with demand detection, button is lit
The demand detection function enables maximum gas and water
economy.
Briefly turning a hot water tap on and then off again signals
demand to the appliance which then heats up the water to the set
temperature.
Hot water is thus available in about 1 minute.
ECO mode, button is lit
Water is not heated up until hot water is drawn. This means that
there is a longer waiting period before hot water is available.
3.6 Summer Mode, Hot Water Only
(Combi Appliances)
With room thermostat
B Turn temperature control on the appliance anti-clockwise
as far as the stop.
The central heating is now turned off. The hot water function
and the mains power supply for the heating programmer and
timer remain switched on.
3.7 Frost protection (Combi Appliances)
B Leave master switch switched on.
If the appliance is to be left for long periods switch the central
heating off:
B Add an anti-freeze liquid that is compatible with aluminium to
the water in the central heating system.
Suitable products are available from Betz-Dearborn Tel.: 0151
4209563 and Fernox Tel.: 01799 550811.
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