Product link: Unifrost CRS90G 2 Door Compact Counter Refrigerator.
Cleaning
Switch off and disconnect the power supply before cleaning. The safety section also says to switch off and disconnect the unit before cleaning. Do not use a jet or pressure washer to clean the appliance. Clean the interior as often as possible. Do not use abrasive cleaning agents because the manual says they can leave harmful residues. Do not use wire wool. The manual says wire wool will damage the stainless steel. Clean the door seal with water only. Always wipe the appliance dry after cleaning. Do not allow cleaning water to run through the drain hole into the evaporation pan.
Food storage
Do not place uncovered hot food or liquid inside. Wrap or cover food where possible. Do not obstruct the fans inside the appliance. Avoid opening the doors for prolonged periods.
Condenser and refrigerant
The manual recommends that an agent or qualified technician clean the condenser. The manual states that R290 or R600a refrigerant is used. Repairs are to be carried out only by trained service personnel.