Preheating System Timers (Auxiliary) - PREVOST Motorcoach XL Series Operator's Manual

PREHEATING SYSTEM
TIMERS (AUXILIARY)
The timer, located on R.H. lateral console (see
page 2-22 items 5 & 5A), is used to program the
starting and stopping time of the preheating
system. One of two optional Timers (Espar or
Webasto) may be installed in your vehicle. The
system indicator light, located on dashboard (see
item #28 on page 2-7) illuminates when system is
functional. The
descriptions for both timers.
CAUTION:
The preheating system should not
operate for more than one hour before starting
engine as this could discharge batteries.
WARNING:
Preheating system must not
operate when vehicle is parked inside or during
fuel fill stops.
NOTE:
Preheating system uses the same fuel
as the engine.
In case of failure:
1. Shut off and turn on again.
2. Check main circuit breaker and overheating
switch (Espar) or overheat fuse (Webasto).
3. Have system repaired in a specialized shop.
ESPAR (41 000 BTU)
FIGURE 64
Setting the time and weekday for the first time.
(Optional)
following offers system
18045
Press key briefly.
12:00 flashes on the display.
Set the clock time with  or .
The time is stored as soon as it stops flashing.
Then the weekday flashes. Set the current
weekday with  or . It is stored as soon as it
stops flashing. When the ignition is switched on,
the clock time and weekday are displayed
continuously. When the ignition is switched off,
the display goes out after 15 seconds.
Setting the clock time and weekday.
Press key and hold it down until the clock time
flashes. Proceed as described above. If you only
want to change the clock time, press the
after setting the clock time to skip weekday
adjustment.
After changing the weekday, flashing duration of
the weekday can be reduced by pressing the
key.
Heating without preselection when ignition is
''Off''.
Heating symbol
Switching on heater. To switch on heater,
press key briefly. Operating display
appears.
Changing the heating duration once only.
After power-on: To reduce heating duration:
Press  key. To increase heating duration (to
max. 120 minutes): Press  key.
Changing
permanently. Do not switch on
 key and hold it down (approx. 3 seconds)
until the display appears and flashes. Release
key briefly. Then set the heating duration using
the  or  key. The new heating duration is set
when the display disappears.
2 - 46
CONTROLS/INSTRUMENTS
= Observe operating display
the heating duration
. Press the
key