Zero Zone Display Case RVCC30

Remove center or left of center coil cover to inspect evaporator coil

Inspect the coil through the small inspection window at the rear of the case

Remove remaining coil covers and raise evaporator cover for full inspection

Remove right end coil cover to access expansion valve

Adjust superheat setting between 6°F and 10°F

Measure suction line temperature at expansion valve sensing bulb

Turn valve stem ¼ turn at a time and wait 20-30 minutes before further adjustments

Wipe out the inside of the case with mild detergent and warm water

Wash down all glass doors with glass cleaner

Clean interior glass to reduce fogging and increase visibility

Remove access panels to clean internal components

Clear the case drain of debris and price tags