air source heat pump (-20 degree)

Air source heat pump for cooling and heating Whentheambienttemperaturedropstobelowzerodegreeinwinter,thenormalairsourceheatpumpcannot runstablyduetothesystemlowevaporationtemperature,smallgasabsorption,smallsystemgasflowand unstable,evencausetroublelikecompressorliquidhammeretc.Normalairsourceheatpumpcannotmeetthe heatingequirementinthecoldareainwinter. Goldsunusesthemostadvancedlow-temperatureEnhancedVapourInjectioncompressortechnology.EVIheatpumpdelivershigherheatingcapacity atlowevaporationtemperaturetherebybetterrespondingtoheatingequirementthannormalairsourceheat pump,Italsoresultsinlesssupplementaryheatingtocoverthefullheatingdemandonthecoldestdays.Ithas beenfurtheroptimizedtoenableheatpumpstoefficientlyproducewatertemperatureupto60DCduringcoldwintertime. EVIcompressorhasanadditionalporttoinjectvapourinthecompressionprocess.Thisimprovestheperformance ofthesystembyincreasingtheheatingcapacityforagivencompressordisplacement.Additionalbenefitsarethe eductionofthedischargetemperatureandtheextensionoftheoperatingenvelopefortheproductionofhightemperaturewater. Advantages: 1.EVIairtowaterheatpumpisspeciallydesignedforhouseheatingincoldarea.Theambienttemperaturerangeis-25DCto43DC.Itcanusesafelyin-20DCambient. 2.Normalheatpumpisdifficulttoheatbelow-5DC.EVItechnologyimportantlyincreaserefrigerantflowofthemainloopandoutsideevaporationenthalpydifference,brings7%to34%additionalheating. 3.Astronglow-temperatureheatingcapacity. 4.EVIheatpumpsignificantlyimprovestheproblemofinsufficientflowofrefrigerantinlow-temperatureenvironmentbythesecondarycompressorsuction,makingitwillbeusefuleveniftheoutdoortemperatureisaslowas-20DCandwithoutabviousthermaldecayproblem. technic parameter 1. Rated Power Input /Output : 9.2KW/36KW 2. Power :380V/50HZ 3. Hot water output capacity : 850L 4.Size (W×T×L) :1460*550*1600MM 5. Cooling and heating designed. 6. -20DC low temp. use