Webasto Thermo 90 ST Operating Instructions Manual - page 4
Viewing time
With ignition switched off: press the
button.
Programming heater starting time
Press the
button - program number flashes - set the start time using the
and
but-
tons - the day flashes - set the day.
If you press the
button several times, you can set the program numbers 2 and 3 or go to
the time mode.
Viewing/deleting selected times
Press
button repeatedly until the desired program number is displayed. To delete the se-
lected time, press the
button repeatedly until the time is displayed, with no program
number.
Programming duration of operating time
The heater must be switched off. Press the
button for three seconds - the operating du-
ration flashes - set the required operating duration using the
and
buttons (10 to
120 minutes).
Setting remaining operating time
Set the desired remaining operating time (1 to 120 minutes) using the
and
buttons.
The remaining operating time refers to the time the heater still continues to remain in oper-
ation. It can only be changed whilst the heater is operating and the ignition is off.
Setting wake-up time
A wake-up time can only be programmed with the standard timer.
The wake-up time is not bound to a specific day of the week. Press the
button repeatedly
until the bell symbol
appears in the display. Set the desired wake-up time using the
and
buttons.
The timer switches off after 5 minutes or when one of the buttons is pressed.
Viewing/deleting wake-up time
Press the
button repeatedly until the bell symbol
appears in the display and read off
the wake-up time.
Delete the wake-up time by pressing the
button repeatedly until the bell symbol
is no
longer visible in the display.
Remote control
Possible using an external optional immediate heat button.
Vehicles with ADR equipment
It is not possible to set a time on ADR vehicles. The remaining time is shown on the display
while the heater is in operation. The time can be adjusted. The alarm clock function can be
programmed on the standard digital timer.