Webasto Thermo 90 ST Operating Instructions Manual - page 3
Standard timer
General information
The standard timer allows the heater start time to be selected for a period of up to seven days.
It is possible to program 3 different starting times, only one of which can be activated.
The standard digital timer features a wake-up alarm function.
When the ignition is switched on the timer shows the current time and the day. When the
heater is switched on, the display and the buttons are illuminated.
After the power supply has been connected, all symbols on the display will flash. The current
time and weekday must be set.
Operation
The timer can be operated in that all flashing symbols can be adjusted by means of the
and
buttons. If no button is pressed for five seconds the displayed time is saved. If the
and
buttons are pressed for longer than two seconds, they will switch to high speed ad-
justment.
If the ignition is switched off whilst the heater is in immediate heating mode, a remaining
operating time of 15 minutes will appear on the display and the heater will continue to op-
erate.
Switching on
Manually: by pressing the
button (immediate heat)
Automatically: By programming the start time.
Switching off
Manually: by pressing the
button (immediate heat)
Automatically: by programming the switch-on duration
With running heater: by setting the remaining operating time.
Setting time/day of the week
Press the
button for more than two seconds - the time flashes - set the time using the
and
buttons - the day flashes - set the day.
Instant
heating
Reverse
Operating indicator
Day of the week
Time display
Memory location
Program selection
Time
Standard timer
with alarm
Forward
Alarm indicator