18
If sufficient mains voltage is available (more
than 100 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.
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 unshielded 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 Refuelling while in AES mode
operation
4.7.4 Setting of cooling compartment
temperature
see point “4.6.4”
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: 120V - 12V - liquid gas. The control
electronics automatically ensures that the
refrigerator is supplied with the optimum sour-
ce of energy in each respective case.
Sequence of priority: 1.) Solar (12V-)
2.) 120V~
3.) 12V-
4.) Liquid gas
Fig. 12
4.7.3 Automatic operation
1
5
Refrigerator operation
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289 0317-13_USCD_EN_RMx8xxx-Operation_N2_Layout 1 03.02.2014 08:05 Seite 18
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