Daikin EWAD495TZ-SSB2 [100/104] Technical specifications

Daikin EWAD495TZ-SSB2 [100/104] Technical specifications
GeneralThechillerwillbedesignedandmanufacturedinaccordancewiththefollowingEuropeandirectives:
•Constructionofpressurevessel2014/68/EU
•MachineryDirective2006/42/EC
•LowVoltage2014/35/EU
•ElectromagneticCompatibility2014/30/EU
•Electrical&SafetycodesEN60204–1/EN60335-2-40
•ManufacturingQualityStandardsUNI–UNIENISO1400
Toavoidanylosses,theunitwillbetestedatfullloadinthefactory(atthenominalworkingconditionsand
watertemperatures).Thechillerwillbedeliveredtothejobsitecompletelyassembledandchargedwith
refrigerantandoil.
Theinstallationofthechillermustcomplywiththemanufacturer’sinstructionsforriggingandhandling
equipment.
Theunitwillbeabletostartupandoperate(asstandard)atfullloadwith:
-outsideairtemperaturefrom...............°Cto...............°C
-evaporatorleavingfluidtemperaturebetween...............°Cand...............°C

RefrigerantHFC134a
PerformanceChillershallsupplythefollowingperformances:
•Numberofchiller(s):...............unit(s)
•Coolingcapacityforsinglechiller:...............kW
•Powerinputforsinglechillerincoolingmode:...............kW
•Heatexchangerenteringwatertemperatureincoolingmode:...............°C
•Heatexchangerleavingwatertemperatureincoolingmode:...............°C
•Heatexchangerwaterflow:...............l/s
•Nominaloutsideworkingambienttemperatureincoolingmode:...............°C
•Minimumfullloadefficiency(EER):……………..(kW/kW)
•Minimumpartloadefficiency(ESEER):……………..(kW/kW)
Operatingvoltagerangeshouldbe400V±10%,3ph,50Hz(or380V±10%,3ph,60Hz),voltageunbalance
maximum3%,withoutneutralconductorandshallonlyhaveonepowerconnectionpoint.
Unit descriptionChillershallincludeoneortwoindependentrefrigerantcircuits,semi-hermetictyperotary
singlescrewcompressors,refrigerantcooledinverterdriveforeachcompressor,electronicexpansiondevice
(EEXV),directexpansion‘shell&tube’orPHEevaporator,air-cooledcondensersectionmadewithaluminum
Microchanneltechnology,R-134arefrigerant,lubricationsystem,motorstartingcomponents,dischargeline
shut-offvalve,suctionlineshut-offvalve,controlsystemandallcomponentsnecessaryforasafeandstable
unitoperation.
Thechillerwillbefactoryassembledonarobustbaseframemadeofgalvanizedsteel,protectedbyanepoxy
paint.
Sound level and vibrationsSoundpowerlevelshallnotexceed………dB(A).Thesoundpowerlevelsmustbe
ratedinaccordancetoISO9614(othertypesofratingcannotbeused).Vibrationonthebaseframeshould
notexceed2mm/s.
DimensionsUnitdimensionsshallnotexceedfollowingindications:
-Unitlength...............mm
-Unitwidth...............mm
-Unitheight...............mm
Compressors
•Semi-hermetic,single-screwtypewithonemainhelicalrotormeshingwiththegaterotor.Thegaterotorwill
beconstructedofacarbonimpregnatedengineeredcompositematerial.Thegaterotorsupportswillbe
constructedofcastiron.
•Eachcompressorshallbefittedwithinverterdriveforvariablecapacitycontrol.Invertershallbeintegrated
withinthecompressorcasinganditshallbecooledbyliquidrefrigerant.
•Eachcompressor shall beprovided withVariableVolume Ratio(VVR)technology. Thesystemshell modify
thevolumetriccompressionratioaccordingtotheoperatingconditionsinordertoenhancetheefficiency.
•EachcompressorshallbeprovidedwithDCmotors(forGOLDandPLATINUMefficiencyseries)
•TheoilinjectionshallbeusedinordertogethighEER(EnergyEfficiencyRatio)alsoathighcondensing
pressureandlowsoundpressurelevelsineachloadcondition.
•Refrigerantsystemdifferentialpressureshallprovideoilflowthroughservicereplaceable,0.5micron,full
flow,cartridgetypeoilfilterinternaltocompressor.
•Refrigerantsystemdifferentialpressureshallprovideoilinjectiononallmovingcompressorpartstocorrectly
lubricatethem.Electricaloilpumplubricatingsystemisnotacceptable.
•Thecompressor’soilcoolingmustberealized,whennecessary,byrefrigerantliquidinjection.External
100/104
TECHNICAL SPECIFICATIONS

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