De Dietrich DRL880ES Guide D'utilisation page 46

Levelling the appliance
Choose a place to install the refrigerator on a flat surface.
Electrical connections
Warning! It must be possible to unplug the appliance from the mains power, so
the plug must remain easy to access after installation.
 The electric connections must meet the applicable standards and be capable of withstanding
the maximum power shown on the ID plate.
 The power plug must be easily accessible and out of the reach of children.
 For your safety this appliance must be earthed. If the power plug is not earthed, consult a
qualified electrician to connect your appliance in line with applicable regulations.
 Do not use extensions, adapters or multiple plugs.
 Do not place multiple plugs or portable power supply units behind the appliance.
The manufacturer declines all liability if the above-mentioned safety precautions are not complied
with. If in doubt, refer to your reseller.
If the appliance is not level, the doors will not be correctly aligned and
compartment sealing will not be ensured.