摘要：Chiller is a cooling system which is used for absorbing the heat of a substance orproduct so that its temperature is below ambient temperature. substance used asa working fluid in heat absorption process called refrigran. Coolant chiller withMC-type-2ST022 Quay MCSI45 use components: compressor typesemi-hermetic piston, condenser with cooling water and air (blower), expansionvalve and evaporator. to regulate air will enter the room using the system, AHU(Air Heandling Unit). Chiller cooling MC-Quay-2ST022 MCSI45 type with acapacity of 505 kW cooling, calculated coefficient of 6.067 his achievementwhich shows the comparison of useful work with the net working of the systemand overall heat transfer coefficient at the evaporator chiller 1 U0 = 3.947 W /º C.m2, on evaporator chiller 2 U0 = 3.980 W / º C.m2 and the evaporatorchiller 3 U0 = 3.886 W / º C.m2 .
