Operation; Connection To 12V Or 24V Dc Battery; Onboard Direct Wiring - Engel SB30F-N-U Manuel Du Propriétaire

6. Operation

Connect only to the following
power sources :
12V or 24V DC battery
DC 12/24 V input cord
+ ： Red Cord
-- ： Black Cord
NOTICE
Before starting to use your new refrigerator, its interior as well
as exterior shall be thoroughly cleaned with a wet cloth to avoid
hygienic issue.

6.1 Connection to 12V or 24V DC battery

This refrigerator can operate on both 12V and 24V DC. Make sure
the battery voltage matches with the voltage stated on the
refrigerator label. If the battery voltage is too high it will damage
the refrigerator.
First, set the temperature setting knob to "0" (OFF). Then, set it
anywhere between 1 and 5, and the LED interior light will go on.
Turn the temperature setting knob to a required setting.

6.1.1 Onboard direct wiring

1) Twisting lead wire
To further reduce the radio interference during DC operation,
twist the negative and positive cables (use separate cables)
together into a spiral form, between the battery.
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