4
De-Icing
The de-icing cycle is associated with the heating mode. It will
set into operation automatically if one of the sensors detects
frost on any of the heat exchangers. The build up of frost
would otherwise impair the cooling or heating capacity of the
unit.
When the de-icing cycle begins the compressor and indoor
fan will stop and after approximately 10 seconds the reversing
valve will be switched on. 30 seconds later the compressor
will re-start. The indoor does not run during the de-icing cycle.
The air conditioner will run in this mode until the frost has
been removed and then will automatically resume normal
operation.
Notes for the use of the air-conditioner
The Truma Climaster is recommended for pop-top caravans
and caravans up to 4.8 m overall length, but requires that all
walls and ceilings are insulated with a minimum thickness of
25 mm.
As far as possible, park your vehicle in the shade.
Darkening the interior with window blinds and / or a roof awn-
ing will reduce the penetration of radiant heat.
Clean the roof of the vehicle regularly (dirty roofs heat up
more readily).
Before operating the device, ventilate your vehicle thoroughly,
in order to allow the hot air which builds up inside to escape.
Take care when putting up awnings or similar that there are
sufficient openings for the outdoor air to be discharged.
To create a healthy environment on the inside of the vehicle,
the difference between the inside and outside temperatures
should not be selected as too great. During operation the
indoor air will be purified and dried. Due to the drying of
the moist, humid air, a pleasant environment will be created
inside even with slight temperature differences.
Keep the doors and windows closed while the cooling system
is in operation.
The capacity of the air conditioner to adequately cool or heat
is dependant on:
– Size of the caravan
– Insulation of the caravan
– Size and type of windows
– Shading
– Ventilation from indoor to outdoor
Always observe the Operating Instructions and “Impor-
tant Operating Notes” prior to starting!
The vehicle owner
is responsible for ensuring that the unit can be operated in the
proper manner.
Control Panel
a
d
b
c
yellow light
green light
Fig. 2
Cooling Operation
1. Turn selector on the control panel to the “b” position for
cooling at low fan speed or “c” for cooling at high fan speed.
Note
The indoor fan starts immediately and the green light is dis-
played. The compressor starts approximately 30 seconds later.
2. Set thermostat to a temperature for your individual require-
ments (wide blue bar – is maximum cooling).
Note
If the room temperature is below 20 °C, the compressor
will not operate and the yellow light in the control panel will
come on.
Once the set temperature on the control has been
reached, the green light will go out and the compressor
will switch off. The indoor fan continues to run.
Heating Operation
1. Turn selector on the control panel to the “d” position.
Note
After switching on; the green light is displayed, after approxi-
mately 30 seconds the compressor starts and after further
30 seconds the indoor fan starts in low speed only.
2. Set thermostat to a temperature for your individual require-
ments (wide red bar – is maximum heating power).
Heating is not possible at an outside temperature of
less than 4 °C, as the heating power drops significantly.
Between 4 °C and 7 °C the device briefly switches to thawing
processes. Heating is possible without restrictions above 7 °C.
Switching Off
Turn selector on the control panel to the “a” position.
Operating instructions
