product manual cat wscwdc 3 eu engineered for flexibility and performance centrifugal compressor water chillers the distinction series ga5 model wsc single cooling wdc dual x counterflow hsc heat recovery hdc tsc templifier heater r 134a global refrigerant of choice 2 catalog table contents introduction customer benefits summary 5 models 12 control features 15 building automation systems 21 unit design 23 options accessories 33 motor controllers 35 units 41 monitors 43 selection 45 application considerations 47 chiller identification 59 physical data weights 60 dimensions 62 supplemental publications 75 specifications 76 cover pictures upper 087 500 ton with factory mounted starter lower 126 2000 manufactured in an iso certified facility initial issue october 1999 mcquay international is registered trademark illustrations products at time publication we reserve right to make changes construction anytime without notice cutaway