Hanbell RC2-100AF, Manual

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PROBLEMS PROBABILITY CAUSES REMEDY / CORRECTIVE ACTION
Compressor losses
oil
Lack of refrigerant
Check for leaks. Charge additional refrigerant.
Improper system piping
Check and correct the piping or install an external oil
separator
Refrigerant fills back Maintain suitable suction superheat at compressor
Low suction pressure
Lack of refrigerant Check for leaks. Charge additional refrigerant.
Evaporator dirty or iced Defrost or clean coil
Clogged liquid line filter drier Replace the cartridge
Clogged suction line or compressor suction strainer Clean or change suction strainer
Expansion valve malfunctioning Check and reset for proper superheat
Condensing temperature too low Check means for regulating condensing temperature
Note: The replacement of compressor internal parts should be perform only by a qualified / certified service
technician with full knowledge of HANBELL screw compressor or it should be a Service Engineer from
HANBELL.