| Air conditioning Terms |
Página 7 de 12 Motor service factor: A factor above en electric motor''s normal operating design parameters, indicated on the name plate, under which it can operate. Motor starter: Electromagnetic contactors that contains motor protection and are used for switching electric motors on and off . Nitrogen: An inert gas often used to "sweep" a refrigeration system to help insure that all refrigerant and contaminants. Noncondensable gas: A gas that does not change into a liquid under normal operating conditions. Off cycle: A period when a system is not operating . Operating pressure: The actual pressure under operating conditions. Orifice: A small opening through which refrigerant fluid flows. Overload protection: A system or device that will shut down a system if an overcurrent exists. Ozone: A form of oxygen "03". A layer of ozone in the stratosphere that protects the earth from certain of the sun''s ultraviolet wave lengths. Package unit: An Air conditioning system were all major components are located in one cabinet. Phase: One distinct part of a cycle. Piston: The part that moves up and down in a compressor cylinder . |
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