Refrigerant
The working fluid used to absorb and reject heat in a refrigeration system.
Condensing unit
An assembly commonly containing a compressor and condenser.
Evaporator
The heat exchanger where refrigerant absorbs heat from the cooled space or product.
Remote system
A refrigeration system where major condensing equipment is located away from the refrigerated case or room.
Self-contained equipment
Equipment containing the main refrigeration components within one packaged unit.
Defrost
A method of removing frost or ice from an evaporator.
Pull-down
The process of reducing product or room temperature to the desired level.
Refrigerant recovery
Removing refrigerant into suitable equipment or a container during service or disposal.
Global warming potential
A relative measure used to compare the climate effect of greenhouse gases.
Authority having jurisdiction
The regulator, environmental authority, building official or other body responsible for applicable requirements.