Operation Manual

VEHICLE HEATERS – TECHNICAL DOCUMENTATION | 17
3 OPERATION AND SETTING/ADJUSTMENT
Display for air heaters in continuous heating mode
(factory setting).
∞
PLEASE NOTE!
After switching on, “On” is displayed for 2 sec and
then the remaining operating time or
for air
heaters.
During heating mode it is possible to switch to
another menu item. Under the VENTILATION menu
item, check the operating time and if necessary
adjust.
If the symbol is not displayed the ADD-ON UNIT
function is not activated or is not available for the
heater.
The add-on unit, e.g. a 2nd heater, can be operated
simultaneously with the 1st heater yet with a differ-
ent operating mode and with different values for the
temperature setpoint and the operating time.
The changed operating time is offered again the next
time the system is started.
ADD-ON UNIT ON – E.G. ACTIVATE THE
VENTILATION FUNCTION FOR A 2ND HEATER
Display ON, the Start display appears.
Use the
or button to select the symbol
in the Menu bar.
Off 21 °C
Confirm the ADD-ON UNIT menu item by pressing the
button.
Use the
or button to select the symbol.
Confirm the VENTILATION function by pressing the
button.
PLEASE NOTE!
The following setting or confirmation is absolutely
necessary.