air to water heat pump (-25 degree)

Air to water heat pump for house heating Goldsunheatpumpisaninnovativesystemthatheats,producesdomestichotwaterandcanevencoolspaces.Goldsunheatpumpoffers yourcustomermaximumcomfortthewholeyearthrough. Theseheatpumpsarealsoaninterestingalternativeforclassicgasorfueloilheatingastheyofferyourcustomersuniquebenefits: >>Theyuserenewableenergysources(suchasoutsideair) >>Theydeliverconsiderablesavingsinenergy >>TheydeliverasignificantcontributioninthefightagainstCO2emissions >>Theycanprovideheating,coolinganddomestichotwater >> Low temperature use of -25 DC Whentheambienttemperaturedropstobelowzerodegreeinwinter,thenormalairsourceheatpumpcannotrunstablyduetothesystemlow evaporationtemperature,smallgasabsorption,smallsystemgasflowandunstable,evencausetroublelikecompressorliquidhammeretc.Normal airsourceheatpumpcannotmeettheheatingequirementinthecoldareainwinter. Goldsunusesthemostadvancedlow-temperatureEnhancedVapourInjectioncompressortechnology.EVIheatpumpdelivershigherheatingcapacityatlowevaporationtemperature therebybetterrespondingtoheatingequirementthannormalairsourceheatpump,Italsoresultsinlesssupplementaryheatingtocoverthefull heatingdemandonthecoldestdays.Ithasbeenfurtheroptimizedtoenableheatpumpstoefficientlyproducewatertemperatureupto60DC duringcoldwintertime. EVIcompressorhasanadditionalporttoinjectvapourinthecompressionprocess.Thisimprovestheperformanceofthesystembyincreasingthe heatingcapacityforagiven compressordisplacement.Additionalbenefitsaretheeductionofthedischargetemperatureandtheextensionoftheoperatingenvelopeforthe productionofhightemperaturewater. Advantages: 1.EVIairtowaterheatpumpisspeciallydesignedforhouseheatingincoldarea.Theambienttemperaturerangeis-25DCto43DC.Itcanusesafelyin-20DCambient. 2.Normalheatpumpisdifficulttoheatbelow-5DC.EVItechnologyimportantlyincreaserefrigerantflowofthemainloopandoutsideevaporationenthalpydifference,brings7%to34% additionalheating. 3.Astronglow-temperatureheatingcapacity. 4.EVIheatpumpsignificantlyimprovestheproblemofinsufficientflowofrefrigerantinlow-temperatureenvironmentbythesecondarycompressorsuction,makingitwillbeusefuleveniftheoutdoortemperatureisaslowas-20DCandwithoutabviousthermaldecayproblem. 4.Lowtemperaturecost:normalheatpumphasbeenacceptedbythemarket,anditspriceiscompetitive.EVIheatpumpcostsmorethan normalheatpump,butitbringsyoumorebenefitsonthebaseoftotalcostasiteliminatestheinitialinvestmentforcentralheatingdevice andtheoperatingcostisextremelylow. technic parameter 1.Compressor RatedPowerInput/Output:9.2KW/30KW 2. Power :380V-50Hz 3. Hotwateroutputcapacity :900L/H 4.Size(W×T×L) :1460*550*1600MM 5. working condition (degree) : -25 to 40 degree The above parameter is base on the air temperature of20 degree, the water is from 15 degree up to 55 degree