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•
Switch the programmable fuel fired
heater on for approximately 10
minutes at least once a month, all year
round. This prevents the water pump
and heater motor from seizing.
•
To avoid corrosion, make sure the
coolant in your vehicle contains at
least 10 % antifreeze all year round.
•
Make sure the coolant level is
between the MAX and MIN marks
on the reservoir to prevent air locks.
See Engine coolant check (page
98).
•
Programmable blower operation
begins when the coolant reaches a
certain temperature. In this mode,
ambient temperature has no effect.
•
In continuous heater operation, the
unit senses the ambient temperature.
If this is above 5°C (41°F) the
programmable fuel fired heater heater
will not activate.
The programmable fuel fired heater
operates independently of the vehicle
heater by heating the engine's coolant
circuit. It is fed from the vehicle fuel tank.
It may also be used while the vehicle is in
motion to help the vehicle heater warm
up the interior more quickly.
It is possible that when the programmable
fuel fired heater is activated, exhaust
fumes may come from under the sides
of the vehicle. This is normal.
Principle of operation
Before operation
CAUTION
Turning the blower switch to a
position other than position one will
reduce battery life or even flatten the
battery.
Climate control
Before activating or programming the
heater, prepare the following settings:
•
•
•
•
Setting the clock time
E71347
Press and hold button A for more than
three seconds, until the time flashes in the
display. Within five seconds, press buttons
B and D to set the time. To adjust the
time rapidly, press and hold the respective
button.
55
Set the vehicle heater temperature
control to maximum.
Turn the blower switch to position one.
Switch on the recirculated air before
turning the ignition off. Wait at least
five seconds for the ventilation system
to close the outside air vents.
Open all the cabin air vents.
A
D
B
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