HVAC Control in the New Millennium.pdf - HVAC.Amickracing

HVAC Control in the New MillenniumFigure 1-2(A). Central year-round air-conditioning system.Figure 1-2(B). Central year-round air-conditioning system.compression device (compressor) to move the low-pressure refrigeranton the low-pressure side of the unit and deliver it to the high-pressureside.An absorption air-conditioning system uses a refrigerant gas in theevaporator which is taken up by an absorber and released in a generatorupon the application of heat. A steam-jet air-conditioning system is avacuum-refrigeration system where high-pressure steam is suppliedthrough a nozzle and acts to eject water from the evaporator maintain-©2001 by The Fairmont Press, Inc. All rights reserved.