Transcription of Standard Direct Expansion (DX) Cooling Air …
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Standard Direct Expansion (DX) Cooling Air Conditioning System Condensing Air: The ambient condensing air enters the condenser at 95 F and leaves at 115 F. Compressor: Condenser Fans: Draw ambient Moves the air across the condensing coil. refrigerant Discharge Line through the Condenser Coil: Rejects heat system. absorbed from the air along with the heat added to the system during the compression process. Condenser Tubes Expansion Device: Causes Liquid Line Expansion Cooling by creating a HIGH SIDE pressure loss between the high and low side of the system. Sight Glass / Moisture Indicator: LOW SIDE Provides a view into the system. Evaporator Tubes Indicator is green normally, yellow when high in moisture. Evaporator Coil: The evaporator coil transfers heat from the warm air Supply Air: Enters the evaporator Filter-Dryer: Removes to the cool refrigerant.
Air Cooled Packaged Refrigeration Options Hot Gas Bypass Hot gas bypass consists of a pressure-operated valve located on the discharge line and additional
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