Refrigerant — A refrigerant is a compound used in a heat cycle that undergoes a phase change from a gas to a liquid and back. The two main uses of refrigerants are refrigerators/freezers and air conditioners ( cf. coolant). The use of refrigerant has been… … Wikipedia
control, refrigerant — Device used to regulate flow of liquid refrigerant into evaporator. Can be a capillary tube, expansion valves, or high side and low side float valves … Dictionary of automotive terms
Environmental Control System — The Environmental Control System of an airliner provides air supply, thermal control and cabin pressurization for the passengers and crew. Avionics cooling, smoke detection, and fire suppression are also commonly considered part of the… … Wikipedia
high-side float — Refrigerant control mechanism which controls the level of the liquid refrigerant in the high pressure side of mechanism … Dictionary of automotive terms
low-side float valve — Refrigerant control valve operated by level of liquid refrigerant in low pressure side of system … Dictionary of automotive terms
ASHRAE Handbook — The ASHRAE Handbook is the four volume flagship publication of the nonprofit technical organization American Society of Heating, Refrigerating and Air Conditioning Engineers, Inc. (ASHRAE). This Handbook is considered the practical repository of… … Wikipedia
thermostatic expansion valve — [1] Metering device that removes pressure from liquid refrigerant, permitting it to expand and vaporize in evaporator [2] Control valve operated by temperature and pressure within evaporator. It controls flow of refrigerant. Control bulb is… … Dictionary of automotive terms
condensing unit — Part of a refrigerating mechanism which pumps vaporized refrigerant from the evaporator, compresses it, liquefies it in the condenser, and returns it to the refrigerant control … Dictionary of automotive terms
freeze-up — [1] The formation of ice in the refrigerant control device which may stop the flow of refrigerant into the evaporator. [2] Frost formation on an evaporator which may stop the airflow through the evaporator. [3] The failure of a unit to operate… … Dictionary of automotive terms
liquid line — [1] The line between the drier outlet and the expansion valve. [2] Sometimes, the line between the condenser outlet and the drier inlet [3] Tube which carries liquid refrigerant from the condenser or liquid receiver to the refrigerant control… … Dictionary of automotive terms