18
In order to prevent unintended switching to
gas operation during refuelling, the electronic
system starts gas operation of the refrigerator
after the motor has been turned off for 15
minutes. During this period the appliance is
ready for operation ("stand-by"). The tempera-
ture level LEDs do not light then while all other
indicators remain active.
The use of naked flames is prohibited in
petrol station environments.
Should the refuelling stop last longer than
15 minutes, the refrigerator has to be swit-
ched off or switched over to another ener-
gy type.
WARNING!
4.7.5 Additional features (MES / AES)
To start the refrigerator, press button (1) for 2
seconds.
The refrigerator starts with the last selected
type of energy.
Automatic operation :
Press button(5) : A
Upon switching on, the electronics automati-
cally selects one of the three possible energy
types: 240V - 12V - LP Gas. The control elec-
tronics automatically ensures that the refrige-
rator is supplied with the optimum source of
energy in each respective case.
Sequence of priority: 1.) Solar (12V DC)
2.) 240V AC
3.) 12V DC
4.) LP Gas
If sufficient mains voltage is available (more
than 195 V), this power source is selected as
prime option. If a solar system capable of
powering the refrigerator is installed, the solar
12V supply takes priority.
The 12V operation is otherwise only effective
while the engine is running.
According to the sequence of priority the elec-
tronics selects GAS as energy source only, if
both of the electrical energy source are not
available.
Manual operation is possible at any time.
Fig. 13
4.7.2 Automatic operation
4.7.4 Refuelling while in AES mode
operation
1
5
4.7.3 Setting of cooling compartment
temperature
see point
4.6.3 Setting of cooling compart-
ment temperature
.
Refrigerator operation
i
i
n The brightness of the display reduces after
a few seconds if no other buttons are pres-
sed. The indicator lights again if a button is
pressed. Press the button again to activate
the required function.
n Failures are indicated by flashing of the fai-
lure indicator LED.
n Should the door be kept open for too long
(more than 2 minutes), an acoustic signal is
initiated (pulsing whistle tone).
n Should the electronic control detect any fai-
lure, an acoustic signal will sound (pulsing
whistle tone). At the same time the display
starts flashing (please refer to section
Information on failure display and trouble-
shooting
).
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