Hisense RL415N4ACE Manuel D'instructions page 6

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 It is advisable to wait at least four hours before connecting the appliance
to allow the oil to flow back in the compressor.
 Adequate air circulation should be around the appliance, lacking this leads
to overheating. To achieve sufficient ventilation, follow the instructions
relevant to installation.
 Wherever possible the back of the product should not be too close to a
wall to avoid touching or catching warm parts (compressor) to prevent the
risk of a fire, follow the instructions relevant to installation.
 The appliance must not be locate close to radiators or cookers.
 Make sure that the mains plug is accessible after the installation of the
appliance.
Service
 Any electrical work required to do the servicing of the appliance should be
carried out by qualified electrician or competent person.
 This product must be serviced by an authorized Service
Center, and only genuine spare parts must be used.
1) If the appliance is Frost Free.
2) If the appliance contains freezer compartment.