An accordion-like device that expands and contracts when internal pressure changes.
A thin flexibale material (metal, rubber, or plastic) that seperates two pressure differences.
The term used to describe the pressure drop in a expansion device when some of the liquid passing through the valve changes quickly to a gas and cools the remaining liquid to the corresponding temperature.
The movement of fluid by mechanical means
A condition of frost on the suction line and even the compressor body usually due to liquid refrigerant in the suction line
The heat released when a substance is changing from a liquid to a solid
Heat of Fusion
A unit equal to 33,000 ft-lb of work per minute.
A service valve at the liquid receiver
A container located in the liquid line and is used to store the liquid refrigerant after it leaves the condenser.
A device for determining moisture in a refrigerant.
Sound absorber at the compressor.
The natural movement of a gas or fluid caused by differences in temperature
A gas that does not change into a liquid under normal operating conditions
A switch operated by a change in pressure
To remove or release fluid from a system
A component in a refrigeration system for storing and drying refrigerant.
A thin steel plate used as a valve in a compressor.
Often called a split system where the condenser is located away from the evaporator and/or other parts of the system
The ability to direct the hot-gas flow into the indoor or the outdoor coil in a heat pump to control the system for heating or cooling purposes.
A valve similar to the valve on an auto tire that allows refrigerant to be charged or discharged from the system.
A compressor that uses a rotary motion to pump fluids. It is a positive displacement pump.
A compressor utilizing to scroll type componentsto compress vapor.
A motor compressor that can be opened or disassembled by removing bolts and flanges; also known as a servicable hermetic
A vessel with a coil of tubing inside that is used as a heat exchanger