18
Operating the Appliance
6 720 610 604 GB (03.06)
ECO button
Pressing and holding the ECO button , until it lights up
switches from Comfort mode to ECO-mode.
Comfort mode, ECO button is not lit (factory setting)
In Comfort mode the hot water tank has priority. The hot water cyl-
inder is first heated up to the set temperature. The appliance then
switches to central heating mode.
ECO mode, button is lit
In ECO mode the appliance switches between central heating
mode and cylinder charging mode every 12 minutes.
3.7 Summer Mode, Hot Water Only
(Combi Appliances)
With room temperature controller
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.
Control Setting Water Temperature
Anti-clockwise limit approx. 10°C
(frost protection)
l approx. 60°C
Clockwise limit approx. 70°C
Table 3