CWTFLUID CHILLERS
2 TO 35 TONS
The CWT Series is designed specifically to meet industrial and commercial process cooling requirements. Theseunitsprovidereliablecontrolofthechilledfluidtemperaturewhiledeliveringexceptionalenergysavings.
Allair-cooledmodelsareequippedwithvariable-speedfansandaresuitableforoutdoorinstallation.
TheCWTSeriesconsistsof14modelswithcoolingcapacitiesfrom2to35tons.(1)
(1) Capacityvarieswithoperatingconditions.Seetechnicaldatatableforcapacityatstandardratingpointorcontactfactoryforalternateconditions.
CWT
STANDARD FEATURES, OPTIONS, AND ACCESSORIES
FEATURE MODEL CWT: 010-020 030 038-130
IntegralCirculationPump,45PSI S S S
InsulatedCarbonSteelPressurizedTank S S S
ThreadedFluidConnections S S S
Variable-SpeedCondenserFans S S S
FluidPressureGauge S S S
RefrigerantPressureGauges S S S
LowFluidFlowProtection S S S
EnvironmentallyFriendlyR410ARefrigerant S S S
High-EfficiencyRefrigerantCompressor S S S
CompressorCrankcaseHeaters S S S
MultipleRefrigerantCompressors X S S
StainlessSteelBrazedPlateEvaporator S S S
WashableStainlessSteelCondenserFilters S S S
CondenserWindBaffles O O O
Electro-CoatedCondenser O O O
Non-FerrousFluidCircuit O O O
AlternatePressurePump O O O
DuplexPumps X X O
UnpressurizedTank(StainlessorCarbonSteel) O O O
AdjustableFluidBypass O O O
MountingFeet O O O
WheelKit O O O
RemoteControlPanel O O O
Key: S=Standard,O=Optional,X=Notavailable
CHILLER TECHNICAL DATA Model CWT 010 CWT 015 CWT 018 CWT 020 CWT 030 CWT 038 CWT 040 CWT 045 CWT 055 CWT 065 CWT 075 CWT 090 CWT 110 CWT 130
PowerSupply [V/Ph/Hz] 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60
CoolingCapacity(1) [tons] 1.7 2.7 3.6 4.3 5.3 7.4 8.9 8.4 10.6 12.6 14.3 17.5 21.6 26.1
FluidFlowRate [gal/min] 4 7 9 10 13 18 21 20 25 30 34 42 52 63
P3Pump(StandardPressure) [psig] 65 58 65 64 62 65 64 57 56 56 55 53 63 63
P5Pump(HighPressure) [psig] 99 88 100 97 94 100 97 89 87 86 84 80 --- ---
P2Pump(LowPressure) [psig] --- --- --- --- --- --- --- --- --- --- --- --- --- ---
RefrigerantType --- R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A
CompressorType --- Rotary Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll
NumberofCompressors --- 1 1 1 1 2 2 2 3 3 3 4 4 4 6
NumberofRefrigerantCircuits --- 1 1 1 1 1 1 1 1 1 1 2 2 2 2
EvaporatorType --- BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate
CondenserType --- Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel
ElectricalEnclosureRating(2) --- IP44 IP44 IP44 IP44 IP44 IP44 IP44 IP44 IP44 IP44 IP44 IP44 IP44 IP44
SoundPressureLevel(3) [dbA] 43 43 50 50 50 53 53 53 50 50 59 59 52 52
TankCapacity [gal] 25 25 25 25 25 36 36 36 36 36 54 54 54 54
FluidConnectionType --- NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F)
FluidConnectionSize [inch] 1 1 1 1 1 11/2 11/2 11/2 11/2 11/2 2 2 2 2
Width [inch] 26.1 26.1 26.1 26.1 26.1 29.6 29.6 32.8 32.8 32.8 43.7 43.7 47.6 47.6
Depth(4) [inch] 39.2 39.2 51.4 51.4 51.4 64.4 64.4 72.8 72.8 72.8 79.7 79.7 87.8 87.8
Height [inch] 52.6 52.6 56.2 56.2 56.2 60.4 60.4 66.9 66.9 66.9 74.8 74.8 88.8 88.8
Weight(withemptytank) [lb] 474 573 584 606 717 882 904 1102 1102 1135 1587 1698 2161 2205
Weight(withfulltank) [lb] 683 783 794 816 926 1179 1201 1400 1400 1433 2039 2149 2612 2656
(1) Ratingpoint:95°FAmbient,55°FFluidinlet,45°FFluidoutlet,0%Glycol.Contactfactoryforcapacityatalternateoperatingconditions.(2) IP40:Indoor,IP44:Outdoor(3) Measuredat10m(33ft)infreefield.(4) ForModelsCWT010toCWT065,add11.8-inchtoDepthifequippedwithoptionalAtmosphericTank.
REFRIGERATION CIRCUIT > Manufacturedwithhigh-qualitymaterialsfollowingrigorousbrazing
proceduresandconformingtointernationalstandards(PED97/23/EC)
> EnvironmentallyfriendlyR410Arefrigerant
> Refrigerantsightglasswithmoistureindicatorandfilter-dryer
> Externallyequalizedthermostaticexpansionvalve
> Highpressureswitchandlowpressuretransducer
> Highandlowpressuregauges
> Highandlowpressureaccessfittingsformaintenanceandtroubleshooting
> Multi-compressorunitsincludedischargecheckvalves
COMPRESSOR> Multiplecompressors(CWT030&up)forenergyefficiencyand
lowstartingcurrent
> Rotary(CWT010)andscrollcompressorschosenforreliabilityandefficiency
> Mountedonrubberisolatorsfornoisereduction
> Scrollcompressorsareespeciallyquietandcanhandleliquidreturnwithoutdamage
> Protectedagainstreverserotationbyanelectronicphasemonitor
> Crankcaseheaterpreventsliquidsluggingonstart-up
EVAPORATOR> Stainlesssteel,brazedplateevaporatorsarecompactandhighlyefficient
> Evaporatorsareprotectedagainstfreezingbythemicroprocessorcontroller
CONDENSER> Microchanneldesigniscompactandhighlyefficient
> All-aluminumconstructioneliminatestheriskofgalvaniccorrosion
> Cleanable,stainlesssteelairfilter
> Optionalepoxy-coatingforcorrosionresistance,eveninaggressiveenvironments
> Condenserfanmotorincludesinternal,self-resettingthermalprotector
> Variable-speedfanallowsoperationoverawideambienttemperaturerange
FLUID CIRCUIT> Standardcarbonsteel(pressurized)tankisthermallyinsulated
> Tankequippedwithexpansionvessel,safetyvalve,automaticventvalve,anddrainvalve
> Optionalatmospheric(unpressurized)tank
> Stainlesssteel,thermallyinsulatedpump
> Optionalautomaticbypassprotectspumpfromdamageiffluidcircuitisblocked
> Fluiddifferentialpressureswitchprotectsagainstlow-flowcondition
> InletYstrainer
> Fluidpressuregauge(pumpdischarge)
> Abilitytouseglycolmixturesupto50%
CHILLER TECHNICAL DATA Model CWT 010 CWT 015 CWT 018 CWT 020 CWT 030 CWT 038 CWT 040 CWT 045 CWT 055 CWT 065 CWT 075 CWT 090 CWT 110 CWT 130
PowerSupply [V/Ph/Hz] 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60 460/3/60
CoolingCapacity(1) [tons] 1.7 2.7 3.6 4.3 5.3 7.4 8.9 8.4 10.6 12.6 14.3 17.5 21.6 26.1
FluidFlowRate [gal/min] 4 7 9 10 13 18 21 20 25 30 34 42 52 63
P3Pump(StandardPressure) [psig] 65 58 65 64 62 65 64 57 56 56 55 53 63 63
P5Pump(HighPressure) [psig] 99 88 100 97 94 100 97 89 87 86 84 80 --- ---
P2Pump(LowPressure) [psig] --- --- --- --- --- --- --- --- --- --- --- --- --- ---
RefrigerantType --- R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A
CompressorType --- Rotary Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll
NumberofCompressors --- 1 1 1 1 2 2 2 3 3 3 4 4 4 6
NumberofRefrigerantCircuits --- 1 1 1 1 1 1 1 1 1 1 2 2 2 2
EvaporatorType --- BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate BrazedPlate
CondenserType --- Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel Microchannel
ElectricalEnclosureRating(2) --- IP44 IP44 IP44 IP44 IP44 IP44 IP44 IP44 IP44 IP44 IP44 IP44 IP44 IP44
SoundPressureLevel(3) [dbA] 43 43 50 50 50 53 53 53 50 50 59 59 52 52
TankCapacity [gal] 25 25 25 25 25 36 36 36 36 36 54 54 54 54
FluidConnectionType --- NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F) NPT(F)
FluidConnectionSize [inch] 1 1 1 1 1 11/2 11/2 11/2 11/2 11/2 2 2 2 2
Width [inch] 26.1 26.1 26.1 26.1 26.1 29.6 29.6 32.8 32.8 32.8 43.7 43.7 47.6 47.6
Depth(4) [inch] 39.2 39.2 51.4 51.4 51.4 64.4 64.4 72.8 72.8 72.8 79.7 79.7 87.8 87.8
Height [inch] 52.6 52.6 56.2 56.2 56.2 60.4 60.4 66.9 66.9 66.9 74.8 74.8 88.8 88.8
Weight(withemptytank) [lb] 474 573 584 606 717 882 904 1102 1102 1135 1587 1698 2161 2205
Weight(withfulltank) [lb] 683 783 794 816 926 1179 1201 1400 1400 1433 2039 2149 2612 2656
chasechillers.comSpecificationssubjecttochangewithoutnotice.
ELECTRICAL PANEL> Manufacturedincompliancewithinternationalstandards
(EN60204)usingUL-recognizedcomponents
> Electricalcabinetconstructedofpowder-coatedgalvanizedsteel
> Disconnectswitchwithdoorlockpreventsaccesstopanelwhenenergized
MICROPROCESSOR CONTROLLER> Optimizesunitperformanceandmaintainsfluidtemperature
> Controlsanddisplaysthefluidtemperature
> Turnsthecompressor(s)onandoffwhileprotectingagainstshortcycling
> Turnsthepump(s)onandoff;equalizespumpoperatingtimes(doublepumpmodels)
> Regulatescondenserfanspeed
> Implementsemergencycapacitycontrol(formulti-compressorunits)ifambientorfluidtemperatureexceedsoperatinglimits
> Protectedbyawatertightcover
> Displayskeyoperatingparametersandthefollowingalarmconditions
> Highandlowrefrigerantpressure
> Lowfluiddifferentialpressure
> Incorrectphasesequence
> Compressor,pump,orfanmotorprotectortripped
> Temperatureorpressureprobefailure
> Highfluidtemperature
> Evaporatoranti-freeze
> Optionalremotecontrolpanel
UNIT CONSTRUCTION AND MAINTENANCE > Cabinetframeandpanelsarepowder-coatedandsuitableforoutdoor
installation
> Panelsareeasilyremoved,providingconvenientaccessformaintenanceandrepair
> Allfastenersarestainlessorzinc-platedsteelforcorrosionresistance
> ProtectiontoIP44standardonallmodels;suitableforoutdoorinstallation
> Wheelkitsandfeetareavailableforallmodels
> Designedforeaseofoperationandmaintenance
FACTORY TESTING OF EVERY CWT UNIT> Pressurizationandheliumleakdetectionofrefrigerationcircuit
> Pressurizationandleaktestingoffluidcircuit
> Chillerperformanceandpowerconsumptionatfullload
> Properoperationofallcontrols,safetydevices,andalarms
> Electricaltestsaccordingtointernationalstandards(EN60204)
chasechillers.comCHASECOOLINGSYSTEMS370MeadowlandsBoulevardWashington,PA15301(724)746-7066(724)746-8500Fax
ADDITIONAL PRODUCTS AND SERVICES FROM CHASE COOLING SYSTEMS
QBE CWBFLUID CHILLERS
0.6 TO 7 TONSFLUID CHILLERS28 TO 150 TONS
REMOTE MONITORING
HEAT TRANSFER FLUIDS & CHEMICALS
DRY COOLERS
FILTERS & STRAINERS
PUMPS & PUMP SKIDS
HEAT EXCHANGERS
CWE/HWEFLUID CHILLERS AND HEAT PUMPS
3 TO 40 TONS