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Operation
6.6
Notes on using air conditioning
systems
To prevent damage to the device, it should not be
operated continuously at an incline or decline of
more than 8% (4,5°) in all directions�
Do not operate the device for long periods with the
vehicle at an angle, since the condensation that is
produced may not be able to run off and may pene-
trate the vehicle under unfavourable circumstances�
The Saphir air conditioning system is configured for
current consumption up to 20 A�
Before switching on, ensure that the vehicle is sup-
plied with 120 V AC / 60 Hz protected with an 20 A
circuit breaker�
Park the vehicle in the shade if possible�
Darkening windows, doors or windshield with shut-
ters or blinds reduces the amount of heat radiation�
The vehicle should be properly ventilated before
starting the equipment in order to remove accumu-
lated warm air from the vehicle�
When RV skirts or the like are being fitted, please
ensure that adequate openings are present for
dissipating the supply air� The opening for the warm
outgoing air should not be at the inlet side�
In order to obtain a comfortable room climate, the
difference between the inside and outside tempera-
tures should not be too great� The circulated air is
cleaned and dried during operation� A pleasant room
climate is produced by drying the moist air, even if
the temperature difference is minimal�
Keep all doors and windows closed when in cooling
mode� If doors or windows are open, condensation
could build up on the ducts and cause moisture
damage�
When in the heating mode, use the "high" fan level
only for rapid heating� Set to "medium" or "low"
during continuous operation�
In order to achieve interior heating that is as effec-
tive as possible at low temperatures, the air condi-
tioning system operates at the "low" fan level at am-
bient room temperatures of less than 54 °F (12 °C)�
6.6.1 Operation with generator or power inverter
The air conditioner can be operated with a power
inverter or generator� The following specifications are
recommended:
Power inverter type: Pure sine-wave voltage
•
Nominal voltage: 110 V - 130 V AC
•
Phase: 1
•
Frequency: 60 Hz� +/- 5 %
•
Inrush current capability: 150 ms with 115 V /
•
40 A RMS�
Loads: ohmic and inductive
•
Recommended power: min� 2000 W
•
Truma does not define the size of the generator in
recreational vehicles� When sizing the generator,
12
EN
the total power consumption of your RV must be
considered� Generators will lose power at high alti-
tudes and if they are not maintained regularly�
NOTICE
The wrong power supply can cause dam-
age to and malfunctions in the air condi-
tioner.
With regard to the power supply, use only
sources with a pure sine wave (e�g� voltage
transformer, generator) and without voltage
spikes�
6.7
Switching air conditioning system
on / off
6.7.1 Switch air conditioning system on (remote
control)
Press the ON/OFF button of the remote control� The
system's previous operating settings are overwritten
and the device shuts down�
The circulated air fan runs after switching on� The
compressor switches itself on after no more than
3 minutes�
6.7.2 Switch air conditioning system off (remote
control)
Press the ON/OFF button on the remote control� The
remote control and the device are switched off�
6.7.3 Switch air conditioning system on (push
button)
Press the ON/OFF button on the IR receiver
(Fig� 16-3) for one second, e�g� with a pen�
The green LED on the IR receiver flashes briefly�
The air conditioning system is switched on�
The air conditioning system starts with the follow-
ing settings: Cooling mode, fan: low, temperature:
72 °F (22 °C)�
6.7.4 Switch air conditioning system off (push
button)
Press the ON/OFF button on the IR receiver (Fig� 16)
for one second, e�g� with a pen�
The green LED on the IR receiver flashes briefly�
The air conditioning system is switched off�
6.8
Selecting the operating mode with
the remote control
Select the required operating mode by pressing the
"MODE" button one or more times�
Press the MODE
button one or more times�
The desired operating mode is shown on the display
with the corresponding icons�
The green LED on the IR receiver flashes briefly�
The desired operating mode is set�
Saphir
40090-00130 · 01 · 11/2023
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