Air Source Screw Type Hot Water Unit/ Heat Pump

?H STARS宏星

H.Stars (Guangzhou) Refrigerating Equipment Group Ltd.

HotWaterUnit

Hot water unit is a device that transfers low-grade heat energy tohigh grade heat energy. It replaces theboilerand become amore energy-savingand environment-friendlyhotwater supplydevice,anditisalsoanewenergytechnologythat attractsmuch attentionall over theworld.Low-grade heat energyisobtained fromairor geothermal hotwater,and with the electricity supply to transfer into high grade heat energy which canbe supplied toend userswith above 5 0 ^ { \circ } { C } ofhot water.Itissuitable forindoorswimmingpools,hotels,villas, Sauna,factories and farms and all other places that need hot water.In the processof heating,H.Starspatented technology ofcold recoveryunitisavailable to supplycold water for cooling required places.

Heat Pump Unit

H.Stars heat pump includes both coolingand heating function, coolinginsummerand heatinginwinterorhotwaterin transition seasons,one unit hasmuti-functions.With more than20 years experiences of manufacturing heat pump and hotwaterunits,H.StarsGroup hasfocused onR&D and successfully supplied various types of heat pump and hot water units to the society.

ModelNomenclature

Cooling Capacity/Heating Capacity Range OperatingAmbientTemperatureRange

120kW-1000kW

Ambient Temperature Range(Cooling): 2 0 ^ { \circ } { C } ~ 4 3 ^ { \circ } { C } （204号 Ambient Temperature Range(Heating): - 1 0 ^ { \circ } { C } ~ 4 3 ^ { \circ } { C } （20

IntelligentControl

Automatic microcomputer control, no need for manual monitoring.Thechiller can be control/centralized monitor tosave management costs.Available to connect to the user's central control system to monitor operation of the chiller at any time.

Outlet Water Temperature Adjustment Range

Hot water temperature adjustment range: 4 5 ^ { \circ } { C } ~ 5 5 ^ { \circ } { C } （20 Chilled water temperature adjustment range: 5 ^ { \circ } { C } { ~ } 2 0 ^ { \circ } { C } Air conditioning hot water temperature adjustment range: 4 5 ^ { \circ } { C } ~ 5 0 ^ { \circ } { C }

ReliableOperation

The chiller has been strictly tested and is suitable to be used in subtropical climate environment.It's equipped with multipleprotectionsystems,suchashighandlowvoltage protection,overload protection,etc.,to ensure the chiller operationsafety.

GreentoEnvironment

The operating principle of the chiller isa mechanical device thatapplies human technology toconvert low-grade energy into high-grade energy to achieve cooling/heating effect. There is no harm to the environment,eco-friendly heat pump.

Low-sound Level Design (For special use)

The chiller adopting low-sound fan and the compressor is equipped with a special protective cover. The whole unit ismade intoabox structure,whichcan furtherreduce the sound from thechiller and satisfyclient'slow sound level requirement.

IntelligentDefrost

Thechilleradopts four-way reversing valve to defrost.The microcomputer controllers automatically enable defrost function according to the setting conditions.Manual defrost alsoavailable for setting according to the actual situation.

ColdRecovery Unit

Optional coldrecoveryunitcan bedesigned into the system according to project requirement.Inthe process ofprovidinghotwater,cold recoveryunitwill recover the cold waterand supply to theuserswith zero cost.

Compressor

Adopting the world famous screw type compressor with high efficiency,stable performance,multistage energy regulation,accuratematchingwithchiller load change,low sound level,low vibration.Adopting specialized motorfor hot water unit and heat pump systems.

Oil Separator

Thesecondary external oil separator isdesigned for screw compressor,adopting sealed steel structure oil return system,the internal is equipped with mechanical float valve.With reliableneedlevalveclosing systemto make the oil return system efficientand simple,which can easily control the refrigerant oil to return to the compressor in time and ensure the compressor oil level maintain at normal range.

Fin Type Heat Exchanger

Adoptingfintypeevaporatoratair-sideandthe finismade ofhydrophilic corrugated aluminum material to strengthen the function of defrosting and drainage.V-shaped fin structure improves the heat transfer efficiency and reduces fan noise.

Fan

Adopting external rotor axial fan with compact structure, easyinstallation,reliableoperation,lowsoundlevel,eergy savingand high efficiency.The faniswith IP54 protection standard，fullymeetallkindsof extremeoutdoor conditions.

Shell and Tube Type Condenser

Shell and tube condenser is designed with simple structure,convenient maintenance and high heat exchange performancewith single circuit,double circuits or even multi-circuits.

The subcooler is located at the bottom of the condenser, effectively supercoolingthe liquid refrigerant and improving system efficiency.The exhaust gas is reflected by'the tube sheet to prevent the gas from directly impacting the tube bundle ata high speed,and the flow rate of the refrigerant gascan be reasonably distributed to maximize the heat exchange efficiency.

HMI (Human Machine Interface) Control Center

H.StarsAir Source ScrewType Hot Water Unit / Heat Pump

Characteristicsand Functions

Adoptshigh-integration single-chipmicrocomputer greatly improves the anti-interference ability ofthe system.

TheHMI directly displays the fault content to cooperate with the simple operation interfaceto timely feedback various maintenance information.

The control system can be connected to the user's central control system (BMS) to monitor the chiller running situation freely.

Protection control on the external power supply system with over-voltage,under-voltage,three-phase unbalance,and lackphase protection.

And the chillerhasbuilt inmore than 30 protection functions to provide comprehensive protection for the safe operation of the unit.

The chiller has advanced multi-anti-surge function,which combines prevention, control and alarm to guarantee the unit meetthe customer's cooling capUserconnection interfaceis reservedtoprovidecloud services.

Control Center

With plastic shell and installed standard mounting

Integrated electronic expansion valve with module drive into one control system.

Three-phase voltage and current are displayed timelyand highly integrated with thecontroller.

Mainboard can be networked, group control and single control free switching.

The chiller can be connected to each other to form module control,group control or single control freely switch to each control mode.

Network of multiple units (module systems)

Standard MODBUS interface,compatiblewith various engineering building control systems.

Innovative LAN interface enablesmultiple unit to be connected into a network to optimize unit operation and extend the life of the chiller.

R_LANIPaddressknob isadopted,differentmodule IP addresses are easier to change through the knob at the site.

The wire controller can achieve switching without stopping thechillerwhichismoreflexible.

English/Spanish/French orother language display available ,and it displays the content of unit operation,fault conditions,built-in operating instructions,etc.to facilitate the use of the unit.

Optional hydraulic module control for engineers,easy to operate and use friendly.

HMI (Human Machine Interface) Control Center(Continued)

H.Stars Air Source Screw Type Hot Water Unit / Heat Pump

HMI (Human Machine Interface)

Adpots10 inch/8 inch touch screen,the display withalarge screenand true color quality ismoredelicateand clearfor operators to use.The operation screen is showinga lot of useful information and easy to operate.Designed with USB interface to upgrade the system.

Function Display

Fault display

StandardUnitParameterList/50Hz

Screwtypeairsourcehotwaterunittechnicalparameters

Refrigerant:R22 Powersupply:380V-3N-50Hz

Note:

Screwtypeairsource heatpumptechnical parameters

Note:

ScrewTypeAirSourceHotWaterUnit

Screw Type Air HeatPump

Note:

StandardUnitParameterList/60Hz

Screwtypeairsourcehotwaterunittechnicalparameters

Refrigerant:R22 Powersupply:460V-3N-60Hz

Screwtypeairsource heat pumptechnical parameters

Note:

ScrewTypeAirSourceHotWaterUnit

Screw Type Air HeatPump

Note:

VariableWorkingConditionCurve

Cooling Capacity Curve

CoolingCapacityVariableCurve

PowerVariableCurve

Heating Capacity Curve

Heating Capacity Variable Curve

PowerVariable Curve

VFD Heat Pump

VFDHeatPumpadoptsavariablefrequencydriver motor to achieve variable frequency operation of the compressor.Significantly improves the energy efficiency of thechillerat partial load.

Energy Efficient

Adopt international brandvariablefrequency drive technology,integrated partloadvalue(IPLV)upto10.

Smallstartingcurrent

VFDwater chillers include soft starting to reduce starting current;

TheVFD has its own DC reactorto minimize harmonic interference;

Optional low-harmonic.filter.VFD inputpowermeets theIEEE-519 specification for harmonic distortionwith harmonic filter over-temperature protection and capacitance switching.

Precisetemperaturecontrol

Thewater temperature control within ± 0 . 3 ^ { \circ } { C } to maintain a high-precision temperature control standard.

Theunit can reach a higher value at both full load coefficientof performance (COP) and integrated part load value (IPLV).

StableandReliable

TheVFD heat pumpunit adopts the motor speed controller tocontrol the outputload toachieve true stepless control to improve compressor reliability.Independent coolingVFD fantunnel, itrunsatlowtemperature,andoperates stable.

Comparisonstartingcurrentcurve between VFDand Star Delta

H.StarsAir Source ScrewType Hot Water Unit/ Heat Pump

Heat Recovery Technology

Features

While the chiller is operating,it will continuously release heatthrough thecondenser(water source orair source)to generatewasteheatpollution,meanwhile,ifthechiller designed with aH.Stars heat recoveryunit to recycle this part of waste heat to produce free hot water.

Energy saving and greento environmental,the unit uses waste heat from thecompressor to produce hotwater which not consume energy at all.

Energy and cost saving,the hot water temperature up to 7 0 ^ { \circ } { C } ,besides,italso increasestheoperating efficiencyof the unit by 5 % and save the operating cost.

H.Stars Groupisthefirstmanufacturertodevelopthe heat recovery technologywith PatentNo.:ZL03223588.7,and has obtainedChina machinery industry science and technologyaward Second Prize.

China Machinery Industry Science andTechnologyAward

China machinery industry science and technologyaward

HeatRecovery Chart

H.StarsAir Source ScrewType Hot Water Unit/ HeatPump

Cloud service (remote monitoring)

Features

1.Centralized real-time remote monitoring unit. 2.Convenientformanufacturerto remoteanalyze the operationand faultconditionsof theunit.

3.Unitnotified timelywithwarning and alarm information.
4.Convenient to check history data.
5.Unattended machine room.

Thesystemmainlyadoptsthecloudserviceand cloud analysis method to remote monitor the unit.The centralserviceplatformcollectsthe fault informationof theunit in time,so that the engineer cananalyze the fault immediately and accurately. Collect unit operating status toanalysisand predictionof possible failures.

Optional Parts

Protective grid

Tobetter protect the fins,a protective grid can be added.

Protective panels

Mainlytoincreasetheprotectionoftheunitpartssuch ascompressorto prevent other items from entering.

Snowblocker

Mainlyused in the countrywith snow,effectively preventing theeffect of snowto protect various components of theunit.

Pump unit

Waterpumpcan be installed on theunit to become acustomized design all-in-one unit,which include the electric control part of the pump.The original unit electric cabinet is transfered toanengineering electric cabinet.

Aircircuitbreaker

Provide addition protection,failure protection, auto-reclosing,charge protection,dead zone protection,inconsistent three-phase protection,and instantaneous follow-up jump.

Electric heater

When the fault or extreme working condition is encountered,thewatertemperaturecannotreachthe settingtemperature,theelectricheaterautomatically activated to keep the unit running normally,and it wil turnoffwhen theunitwillbacktonormal.

Optional Parts(Continued) /Pipinginstallation

H.StarsAir Source ScrewType Hot Water Unit/ HeatPump

Split type unit

Design features and functions

Generally, it isdetermined by the special environment if the components needs to be separated to an indoor unitandanoutdoorunit,whichareinstalledindoors and outdoors,and both units are connected with pipes

Indoor Unit

Description:Main components including compressor, condenser,four-way valveand electric cabinet are generally installed in the machine room,which is more convenientforoperationandmaintenance.

Importantnotes

andcableswhich do notaffect each otherand are flexibleto install.

1.Pipesupportspacingshouldbe less than1.5meters; 2.Smooth incision and no burrs;
3.The pipe shall be polished and blown cleanwith nitrogen gas beforewelding;
4.Nitrogen gas should be filled in the pipeline during welding;
5.Whenthe steel pipe iswelded,argonarcwelding shall be used before electric welding;
6.When the copper pipe iswelded, it should bewelded fromthebottomorside,andtrynottoweldfromthe top;

Designscheme for returnoil trap of refrigerant pipeline

Standardconfiguration

Whenmain unit higher than outdoor unit (evaporator), ithasariserbetweenevaporatorandmain compressorsuction inlet,since compressor oil will not evaporateinevaporatoranditwillbeaccumulatedat thebottom.When Oil trap is installedat the bottomof theevaporator,oilaccumulationatthebottomofthe evaporatorwillbesignificantreduce.As longastheoil trapisblocked,thepressuredifferenceofbothsides isbuilt,once the pressure is bigenough,pressure different "pump"compressor oil up,until it reach the horizontal suction pipe, the compressor oil is easy to go back to compressor.

Ifyouareconcernedthattheriseristoo longtoreach the top of the pump,you should consider setting a Sshapeoil trapfortherisersuctionpipeatevery certainheightdifference (say8meters) toallowthe compressoroil return to themainunit.

Outdoor Unit

Description:Fin type heat exchangers,fansand other components as outdoorunits.Theexterior is more compactthan the integratedone.The installation is moreflexible,and itisgenerallyinstalledintheroof, outdoorand other places.

7.Nowater,dirt or.dust should enter the pipe during thewhole construction process;

8.The total length of refrigerant pipeline shall not exceed300meters;

9.When the outdoorunitisabove theindoorunit themaximumheightdifferenceisnotmorethan80 meters;

10.When the outdoorunit isunder the indoor unit, themaximumheightdifferenceisnomorethan50 meters.

Optional (Continued) /Wiring diagram

Cooling and Heating Unit (three functions at same time)

Designfeatures,functions

Onemachine,three functions.

Microcomputer control,automatic switching between heatingand cooling conditions.

Increasemodulardesignandreduceinitial investment andequipmentmaintenance costs.

Compact structureand easy installation.

Energy-saving，high-efficiency,cooling condition COP upto 5.0.

Free hot water supplied while cooling.

Applicationrangeand value

The unit has three working conditions:cooling,heating and freehotwatersupplying.The hotwatercanbe obtained at the same time while cooling or heating, oritcanbe cooling or heating independently.When the cooling and heating are not needed in spring and autumn,theunit canseparately provide hotwater.The threeoperatingconditionsare fullyautomatic switched accordingtotheambienttemperatureandhotwater demand.The unit is energy-saving,environmentally friendly and efficient,and has no pollution.It is suitable forhotels,villas,hospitals,commercial and residential communities,large and medium-sized offices and otherplaces.

Wiring Diagram

H.Stars Group

H.Stars(Guangzhou) RefrigeratingEquipmentGroupLtd., establishedin1992,inEconomic&TechnologicalDevelopment ZoneofGuangzhou,China,composedof8subsidiariesto provideone-stopsolutionto HVAC customers,specializing inR&D,oioigtaioAs grows,H.Starsgroup expandsitsbusinessglobally and has soldto53differentcountries.H.StarsGroupisawardedwith "NewandHighTechnologyEnterpriseinGuangzhou"andhas becomethe trainingbaseof manyuniversities bothinChinaand abroadviatechnologycooperation.

H.StarsGroupsuppliesan extensivelineofCommercial andIndustrial Energy SavingHVAC productsincluding: AirCooledChiller,WaterCooledChiller,IndustrialChiller, CentrifugalChiller,Magneticoilfreecentrifugalchiller,MultifunctionChiller,HotWaterUnit,HeatRecoveryUnit,Heat PumpUnit,CondensingUnit,GlycolChiller,hellandTube HeatExchanger,AirHandlingUnit,FanCoilUnit,Cooling Tower,etc.alltypeofHVAC products.

H.Stars Group hasbeendedicated in qualityand innovationand istechnically strongincommercial and industrialapplicationasaHVACmanufacturer.Apartfrom obtainingplentyofenergy-savingproductpatents,H.Stars Grouphasachieved CEcertificationsforPressure Vesseland standardchillers,BR1,ASME,IO9001:2000,IO14001:2004 and other certifications.

A good reputationof H.Stars Group has been built and deliversa full HVAC servicetocustomersworldwide.Our productsarewidelyapplied inindustriesforcoolingofLaser generators,Weldingelectrodes,Cuttingmachines,Ectric sparkmachines,Extrusion process,Hydraulic System, Electroplating,UltrasonicCleaning,IonPlatingfilm,Electronic facility,Electrical appliance components,CompressedGas Dehumidification,Dairyand BeverageCoolingprocessing, Pharmaceuticaland Biological products,Medical equipment, GlassCoating,TemperedGlassandCultivationSeaFood.

H.StarsGroupwillcontinuetodevelopenergysavingand environmental friendly equipment to create "The Eficiency Planet"as our obligation.By focusing on customers'needsand wantsinordertocontributemoreourpotentials,fromnowon, H.StarsGroupwill hand in hand with youto bea shining star in theforeseeable future.

H.Stars (Guangzhou) Refrigerating Equipment Group Ltd

Address:No.1Guoyuan4thRoad,Guangzhou Economic&Technological Development Zone,HuangPuDistrict,Guangzhou,ChinaZipCode510530