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5.6 Heating and air-conditioning system
5 - 80 3 112 993 en Operating manual GMK 6400
12.07.2013
Setting the
heating period
After an automatic start, the auxiliary heater switches itself off as soon as
the set heating period has elapsed.
The heating period applies to all saved heating starts.
• Switch off the auxiliary heating using the (1) button.
• Press the button (2) for longer than 3 seconds.
The last set heating period, e.g. 27 minutes, now flashes for 5 seconds in the
display field.
s t
• Set the desired heating period on the flashing display. You can set a heat-
ing period of 10 to 120 minutes.
Wait for approx. 5 seconds until the current time is shown, e.g. 14:00 hrs.
A new heating period has now been set.
Switching the
automatic heating
start on and off
To switch on an automatic heating start, you must retrieve the correspond-
ing storage location.
• To retrieve a storage location, press the button (1) once.
The display field flashes for 5 seconds and a storage location is shown
(e.g. 2). The heating start at this storage location is now switched on.
To switch on a different heating start, press the
u button repeatedly until
the desired storage location is displayed. This heating start is switched on
as soon as the display stops flashing.
To deactivate the automatic heating start, press the
u button repeatedly
until no storage location is displayed any longer.
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