Operation Manual

18 | VEHICLE HEATERS – TECHNICAL DOCUMENTATION
3 OPERATION AND SETTING/ADJUSTMENT
SETTING THE OPERATING TIME
Use the
or button to set the operating time.
Operating time setting range:
Min 10 – max 120 min in 1 min. increments, continu-
ous VENTILATION mode possible for air heaters.
60 min
Press the button to confirm the operating time.
The operating time is changed permanently.
Heater ON.
60 min
Display for air heaters in continuous VENTILATION
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 ventilation mode it is possible to switch to
another menu item. Under the HEATING 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.