Energy Efficient HVAC SolutionExceed Your Green Building Needs
Table of Contents
ATAL Provides More Than Your Expectation
Our Solutions:
• DessiccantDehumidification
• FiltrationSystem
• Chiller-AirCooledWaterChiller-CentrifugalChiller-OilFreeChiller-Multi-functionalChiller-HeatPumpandHeatRecoveryChiller
• VRFMulti-splitAirConditioningSystem
• CoolingTower
• RadiantCoolingSystem
• VAVTerminalBox
Our Proven Track Records
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Our Solutions:
• Desiccant Dehumidification• Filtration System• Chiller• VRF Multi-split Air Conditioning System• Cooling Tower • Radiant Cooling System• VAV Terminal Box
ATAL Provides More Than Your Expectation
ATAL isamulti-disciplinaryengineeringgroupwithover35yearsofexperience indeliveringhigh-techsystemintegrationtothedatacentre,buildingservicesandenvironmentalengineeringindustries.Backedbyinnovativetechnologiesandastrongteamofprofessionalspecialists,wedesign,integrateandinstallefficientHVACSystems thatmeetdiverseneeds.We takecareofeveryaspect from feasibility study,equipmentselection,systemdesign,andinstallationtoround-the-clockmaintenanceservices.
Over the years, our experts have successfully providedahost of EfficientHVAC Solutions todifferentsectors,includingcommercial,industrial,residential,hospitalityandgovernment.Wehaveexperiencedmany new innovations and changes in technology alongwith changes of customers’ demand.Weadapttothesechangesandalwaysendeavortoprovidethebestsolutiontomeetthemarketdemands.
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One-stopSystemIntegration
Weofferone-stopsolution includingawiderange of systems such as iBMS, Lighting,Renewable Energy, and AudioVisual& Communication but not limit to AirConditioningto integrateallHVACSystems.Our strong professionalism and experiencein all engineering aspects enable perfectcompatibilityamongallsolutions.
CommitmenttoQuality
Weprovideworld-class systemsconformingto international standards in quality andperformance. ATAL complies with ISO-9001protocols, a set of globally recognizedstandardsthatdefinesaqualifiedassurancesystem.
RegularTechnicalTraining
Tolookafteryoureveryneed,allourqualifiedservicesupervisorsandtechniciansregularlyreceivetrainingtokeepabreastofthelatestskills and technologies. We aim to provideprompt technical support to ensure topsystemsperformance.
StrongPartnershipwithWorld-leadingBrands
Wehavebuiltstrongpartnershipswithworld-leading brands, such as Evapco, Hitachi,Munters,TROX,PEPandRC.
CustomizedDesignforAllApplications
Our professional design helps upgradeyourpropertyandoptimize youroperation.You will experience the flexibility andconvenience after our assistance. OurEfficientHVACSolutioncanfitforanywhere,anyapplicationsandanyscenarios.
Highly-experiencedManagersandEngineeringSpecialists
We possess in-house highly-experiencedmanagers and engineering specialists toprovide youwith hassle-freeHVAC Solutionwhich is the most efficient, user-friendly,reliableandscalable.Ourextensiveindustryknowledge drives us towards developinganswers to the challenges of today andtomorrow.
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Our Solutions
Over the years, our experts have successfully provided a host of Efficient HVAC Solutions to different sectors, including commercial, industrial, residential, hospitality and government.
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Desiccant Dehumidification-Efficienthumiditycontrolsolution
Advantages:
• HCUsavesupto40%coolingenergycostcomparedtoDXTechnology
• ExcellentdehumidificationperformanceforhumidweatherinHongKong
• Noreheatrequired,complywithASHRAEStandard90.1
• Lowdewpoint,eliminatewetfloors,saturatedduct,moldandmildew
• Providecoolanddrymake-upairwithoutovercooling
• Excellentperformanceofhumiditycontrolinindoorswimmingpool,luxuryhouse,wardrobeanddatacentre
• Humidityrequirementat60%orbelowallyeararound
In the 1950’s Munters invented modern industrial dehumidification when it introduced the self-regenerating desiccant rotor, the heart of the dehumidifier.Today, Munters offers rotors with five desiccant formulations and is the acknowledged expert in the integration of rotors into dehumidification systems and air handlers.
HumidityControlUnit(HCU)
ItcombinesthebenefitsofDesiccantDehumidifierswiththecoolingofDXair-conditionerstopre-treatmake-upairbeforeitisbroughtintoabuilding.Usingcompressorwasteheatfordesiccantwheelregeneration,itcancombinewithchilledorhotwatercoil.
The Humidity Expert
Desiccant Rotors
ReactivationFanOutlet
DesiccantWheel
ReactivationCoil
ReactivationInlet
PostHeat
CondenserFans
CondenserCoil
CompressorsSupply
Fan
BypassDamper
ReturnAirInlet
MakeupInlet
EvaporatorCoil
DX EnergyCost
Hum
idity
ratio
- P
oun
d o
f Mo
istu
re p
er P
oun
d o
f Dry
Air
(g/g
)
Dry Bulb Temperature˚C
Air flow rate = 10195CMH
Reheat
HCUEnergyCost
25.5˚C, 45%RH
33˚C, 65%RH
114k
w143k
w
In the 1950’s Munters invented modern industrial dehumidification when it introduced the self-regenerating desiccant rotor, the heart of the dehumidifier.Today, Munters offers rotors with five desiccant formulations and is the acknowledged expert in the integration of rotors into dehumidification systems and air handlers.
ATALoffershumiditycontrolsolutionsforcommercial,industrialandresidentialdevelopments.Ourdesiccantdehumidifiersapplyuniquerotortechnology,whichishighly-effectiveinattractingandholdingwatervapor.
Our Solutions
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Filtration System-Protectyourcoolingwatertoachievehighefficiency
ATALprovidesafullrangeofproductsincludingcentrifugal,discandmediafiltrationsystemsfromPEPtoprotectyourcoolingwateragainstcontamination,suspendedsolids,andevenlegionnaire’sdisease.PEPhasleadedtheindustryforover30yearsindesigningandmanufacturingthemostreliableandefficientfilters.
SMF2 Granular Media Filter
Disc Filter
Advantages:Granular Media Filter-Innovativemoduleuniversalfacepiping
• ThenewSMF2seriesrepresentsthenextgenerationofself-cleaningmediafilters
• Featuredwithrevolutionaryuniversalfacepipingwithhighefficiencymediapacks
• Enabletoachievemaximumversatilitywhileminimizinginstallationcost
Multi-media Filter-Effectivelyremovelargevol.ofsuspendedsolids
• Utilizedepthmediatoobtainahighly-efficientmechanismofremovingparticlesandreducingturbidity
• Enhancefunctionalitybydifferentmediaforremovingdissolvedcontaminants,organicsandodors
Disc Filter -Effectivelyremovesuspendedparticlesfromsystems
• Reducechemicalusageandmaintainsystemefficiency
• Backwashwaterconsumptionissignificantlyless(upto75%)ascomparedwithanyequivalentsandfilter
• Depthfiltrationaccomplishedwithpolypropylenediscsthatneverneedreplacement
• Smallfootprintandlightweightsystemsreduceinstallationcosts
Centrifugal Separators-Rugged,reliableandefficientautomaticequipment
• Availableinmanysizesasstandaloneunitsorskidmountedsystems
• Effectiveinremovingsuspendedparticlesof40micronsorlargerfromaflowstream 6
DisplayUnitsConditionsDisplayCompressor’sCycleData
(1) Air Cooled Water Chiller-GroundbreakingTechnology:TheHitachiModularChiller
ATALprovidesfullrangeofHitachigreenairconditioningsystemsincludingscrew,centrifugal,absorption,aircooledchillers,watercooledheatpumps,heatpumpchillers,heatrecoverysystems,heatpumpsandheatrecoverychillers.TheHitachiModularAirCooledWaterChillerisreallyagroundbreakingtechnologyforflexibilityandefficiency.
Installationunitscandependonthecustomerneedsforenergysavingorminimuminstallationspacepurposes
Adoption of New Graphical Controller
HistoryLogScreen
AdoptingNewR134aCompressor-lowerGlobalWarningPotential(GWP)
Advantages:
High Performance• LeadingCOPperformanceupto3.7
• Improvedoverhaultimeupto40,000hrs
Minimum Installation Space• Improvetheair-sideheatexchangerandadopt
highfunctionalitystructure
• Minimizetheinstallationandservicespaceformultipleunitinstallation
Convenient Modular Type• Flexibilityofinstallingupto8moduleunitsof
differentcapacitieswiththeembeddedmultipleunitcontrol(109kWto1328kWpersystem)
• Additionalcontrollerisnotrequiredforcombiningupto8units
Green Product Design • UselowerGlobalWarningPotential(GWP)
refrigerantR134a
• SignificantlyreduceCO2emissionandtheannualpowerconsumption
User-friendly Touchscreen Display• Visualizetheunitoperation,monitororadjustthe
settingsefficiently
Chiller
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(2) Centrifugal Chiller-TopClassHighly-efficientandReliableChiller
Highly-efficientNewseriesCentrifugalChillersthatuseHFC134aareexcellentproductsdevelopedbyHitachi,fullyutilizingitsadvancedtechnologiesandrichexperience.Theyareactivethroughouttheworldduetotheirhighreputationandexcellentperformance.
Advantages:Excellent Energy Saving Effect• First-classefficiencygreatlysavesenergyforusers
Compact Design• Significantlycompactandlightweightdesign
enablesspacesavingandeasyreplacement
High Reliability• Hitachi’suniquetechnologiesenhancehigh
reliabilityandlong-termstableoperation
Highly-efficient Refrigerant Cycle• 2stagescompressioncycleenhancesrefrigerating
cycleefficiency
Highly-efficient Compressor• 3dimensionalbladeimpeller(2stages)enhances
compressor
• Lowspecificspeedcompressorenablestheuseoflow-lossbearingstructureefficiency
High Performance Heat Exchanger• Enhancedefficiencyisresultedfromimproved
performanceofheatexchanger
2-stageCentrifugalChillerCycle
ControlpanelLCDscreen
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UNICO Turbo FL
FRIGO Turbo FL
(3) Oil Free Chiller-Liquidchillerequippedwithmagneticlevitationtwo-stagecentrigalcompressors
ATALoffershighly-efficientRCOilFreeCentrifugalAirCooledChillersfrom280kWto1500kWandWaterCooledChillersfrom280kWto1840kW.RCisanItaly-basedmanufacturerwhohasbeentheHVACexpertsince1963.Ithasmanufacturedoilfreechillersince2003.Nowover120RCchillersareoperatingaroundtheworld.
OilFreeCompressor
Advantages:Small Footprint With Light Weight• Minimizeplantroom&maintenancespace
• 120to130kgpercompressorforeasyhandlingandreplacement
Easy Operation• Multi-compressortoeliminateoperatingdowntime
• Plugandplayoperation
• Commonpartsforeasymaintenance
Wide Range Of Air/Water Cooled Chiller Available• ‘Silenced’and‘SuperSilenced’modelavailable
foraircooledmodel
• Freshwaterandairwatercondenseravailableforwatercooledmodel
coolingcapacitycompressorsrefrigerantfantypemicroprocessor
260,0÷1524,0kWcentrifugalR134aaxial(UNICOseries)MP.COM
Lossofefficiencyvs%ofoilcontentinconventionalcompressor
Outstanding part load efficiency after oil free compressor adopted
•30-50%energysaving
•Shrinkcarbonfootprint9
(4) Multi-functional Chiller-Multifunctionaircooledpackagedunitssuitablefor4pipeplants
TheMULTIPLOSCREWliquidchillersmanufacturedbyRCaredesignedforairconditioningapplicationsinanyclimaticzones.Theyaresuitableforhotels,healthcentres,hospitalsandforallthoseinstallationswheresimultaneousproductionofcoldandhotwaterisrequired.
coolingcapacityheatingcapacitycompressorsrefrigerantfantypemicroprocessor
190,0÷1153,0kW256,0÷149,0kWscrewcompressorsR134aaxial(withsteplessspeedcontrol)MP.COM
Advantages:
• Suitableforindependentorsimultaneousproductionofchilledwaterforcoolingandhotwaterforheating(4pipesplant),throughouttheyear
• Greatstabilityinheating/coolingoperationwithdualcondenserandevaporatorconfiguration
• Availabilityofpartialheatrecoverysystem
• Availabilityofkitforthereductionofnoise
• AvailabilityofECfansforhigherefficiency
• Shellandtubeevaporatorwithonerefrigerantcircuitforeachcompressor
• Pump-downstopsystem MULTIPLOSCREW
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(5) Heat Pump and Heat Recovery Chiller-Featurehighefficiencyandenergyconservation
ATALofferstheHitachiASYZseriesAirCooledHeatPumpandRHUGSeriesWaterCooledHeatPump.Theyfeaturehighefficiencyandenergyconservation,whicharespeciallydevelopedforvariousairconditioningsystemsandindustrialrefrigerationsystems.
Advantages:
ASZ Series Air Cooled Heat Pump• Operationalconditionfrom-10to21oC
• Capacityfrom144kWto398kW
• UsingthelatestHitachisemi-hermeticscrewcompressorwithcentrifugaloilseparator
RHUG Series Water Cooled Heat Pump• Operationalconditionfrom5-20oC&from22-55oC
• Capacityfrom143kWto1725kW
•UsingthelatestHitachisemi-hermeticscrewcompressorwithcentrifugaloilseparator
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ATALoffersthenewdevelopedHitachiSET-FREEFSXN1andFSXNHairconditioningsystems.Thisenablesuserseasiertohavesimple,effectivecontroloftheirairconditioningunitstoavoidunnecessaryenergywastage,includingoverheating,overcoolingandunattendedoperation.Inaddition,oursolutionalsohelpscustomerstosavetime,moneyandspace,andtoenjoytheflexibilityinextendingormodifyingtheirairconditioningset-uptosuitchangingneeds.
VRF Multi-split Air Conditioning System-Offergreaterfunctionality,controlandcostsavings
HITACHISET-FREEFSXN1/SET-FREEFSXNH
Advantages:
Compatible With Other Systems• CompatiblewithHitachi’ssystemfreeindoorunits
andheatrecoveryventilationunits
Wide Product Range • FSXXN1(standardtype):8to54HP
• FSXNH(highefficiencytype):5to36HP
Energy Saving• HeatrecoveryandDCInverterDrivenCompressor
Flexible Installation• Compact,lightdesignandflexiblerefrigerant
piping
Comfort And Reliability • Impressivelylownoiselevelswithnoisereduction
preferencemode
Simple Control• ControlledbyNetworkSystem
• Offcoiltemperaturecontrol
TouchScreen
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LSTE/LPT -Thenew&improvedLSTEandLPTforceddraftcentrifugalcoolingtowersfeatureIBCComplianceinadditiontoCTICertification
Easy Field Assembly
•Ensureseasyassemblyandfewerfasteners
•Incorporatesself-guidingchannelstoguidethecasingsectionintoposition,improvingthequalityofthefieldseam
Stainless Steel Strainer
•Resistscorrosionbetterthanothermaterials
Clean Pan Design•Slopeddesignallowswater
todraincompletelyfromcoldwaterbasin
•Easierremovalofdirtanddebris
Exclusive EVAPAK® fill
•Providesthemostefficientthermalperformanceperplanarea
•Suitableforusingasaworkingplatform
LSTE
LPT
High Efficiency Drift Eliminators
•Advanceddesignlimitsmaximumdriftrateto0.001%oftherecirculatedwaterrate
•Corrosion-resistantPVCforlonglife CTICertified
G-235 Heavy Mill Galvanized Steel Construction
•Stainlesssteelavailableasanaffordableoption
Easy To Service Motor & Drive System
•Belttensioningandbearinglubricationcanbeperformedoutsidetheunit
•Lockingmechanismcanalsobeusedasawrenchtoadjustthebelttension(LPTonly)
•Motorisfullyaccessiblebyremovingoneinletscreen
IBC Compliant Construction
•LSTEandLPTaredesignedtowithstand1.0gseismicloadand145psfwindload
•Upgradedunitconstructionbuilttowithstand5.12gseismicloadand145psfwindload
ATAL is the soledistributorof Evapco (aUS-basedandworld-widemarket leader inevaporativecoolingequipmentwithmanufacturingfacilitiesinbothShanghaiandBeijing),providinghundredsofcoolingtowermodels for outdoor and indoor applications including open type cooling tower and closed circuit typecoolingtower(inducedorforceddrafttype).
Cooling Tower
EVAPCO Power-band Drive System
• Standardheavy-dutypillowblockbearingswithaminimumL10lifeof75,000hours
• Extendedlubelines• Externalmotor/beltadjustment• AluminumAlloySheaves,Solid-backMulti-
groovePower-bandBeltsandTotallyEnclosedmotorsarestandard
• Five(5)-YearMotorandDriveWarranty
Totally Enclosed Fan Motors• Motorspositionedfor
externalaccess• Motorlocationallows
easyaccessibilityandserviceability
• VFD-friendly
EVAPCOunequivocallyguaranteesthethermalperformanceoftheATcoolingtowerproductline.
AT / UT / USS-Theadvancedtechnologydesignprovidingeasiersolutionsandbetterchoices
CTI Certified-standard 201• IndependentCertification•Eliminatesnecessityforcostlyfield
performancetests
Clean Pan Sloped Basin Design• Designedtocompletely
drainthecoldwaterbasin
• Helpspreventbuildupofsedimentandbiologicalfilm
Optional Motor Davit and Working Platform
MotorDavit• Motordavitandbracketoptionforeasymotor
removalPlatform• Platformandladderarrangementavailableas
anoption•Providesadditionalworkingsurfaceforthe
servicemechanic
Water Distribution System• Non-corrosivePVCconstructionwithnew
EvapJet™nozzles• Largeorificenozzlespreventcloggingand
arethreadedforeasyremovalandpositivepositioning
EVAPCOAT Corrosion Protection System
•G-235GalvanizedSteelConstruction•AnotherEVAPCOstandard–thestainless
steelsuctionstrainereliminatesexcessivewearandcorrosion
•Non-corrosivePVCWaterDistributionSystem,DriftEliminatorsandInletLouvers
NEW! EvapJetTMNozzle
Availablein60crosssectionsandacapacityrangeof140to22,128kW!TheAThasmodelforeveryapplication.
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Radiant Cooling System-ThenextgenerationofCoolingSystem
ATALintroducesthelatestgreenairconditioningtechnology-ChilledBeam/CeilingSystemthatisprevalentinEuropeasameansofmanaginglargesensiblecoolingloadswithexcellentenergyperformance,lowacousticsignaturesaswellasimprovingtheroomcomfortlevel.
TROXistheleadingdesignerandmanufacturerofHVACsolutionsanditsChilledBeam/Ceilingproductshavethousandsofinstallationsworldwide.Theproductscombinestate-of-the-arttechnologywiththebestarchitecturalstandards.
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Advantages:
Excellent Energy Performance• Usingwaterastheheattransfermediumallows
areductionintheenergyrequiredtoremoveanequivalentamountofenergyasanall-airsystem
• Savingabout30%infanenergybyreducingthesupplyairflowrate
• Improvingtheoverallefficiencyofchillerbyusinghigherchilledwatertemperatures
• Savingabout25-40%intotalenergyannually
Lower Maintenance Costs• Nomovingparts-mucheasiertomaintainthan
otherhydronicsystems,suchasfancoils
• Nofiltersorcondensatetraystoreplace
• Simplecleaningprocedure
Improving Area Comfort Level• Significantlyreduceairvelocities,minimumair
movement<0.2m/s
• Lownoiselevelsystem
ConventionalHVACsystemVSRadiantCooling&ChilledBeam
ASHREAJournal,September2008
Fan and Motors
100% Peak Power
Conventional HVAC System
Percentages Relative to Overall Peak Power for the Conventional System
Radiant Cooling and Chilled Beams
37.5%
18.8%
Chiller62.5%
9.3%
34.4%
57.5% Pumps1.5%7.5%9.4%1.9%
34.4%
Load From Lights
Air Transport Load
Other Loads
AirFlowPattern-ColdAirFullyFlushinRoom
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Advantages:• Easytoinstallwithlightweight
• Reducedvolumefortransportation
• Variableversionsforchoosing:shortcaseversion,extendedcaseversion,multipleoutletversionandelectricreheaterversion
• Superioracousticperformance
VAV Terminal Box-Forvariablevolumesystems
BycombiningourDDCcontroltechnologyandTROXairterminalunits,ATALprovidesyouone-stopsolutiontomeetyourCAV&VAVrequirement.Oursolutionhasbeenwidelyusedinalmostanycontrol,regulationandshut-offtasksforroomairconditioningsystems.
ThistypeofVAVterminalunitconsistsofacircularinletspigotconnectiontosuitimperialductsizesininches.Themultipointflowsensorgridandvolumecontroldamperwithrubbertipsealarefittedtothecircularinletspigot.
TheVAVunithasarectangularoutletconnection.Toreducetheairdischargenoise,theterminalboxisinternallylinedwithacousticandthermalinsulation.
Control damper
Differential pressure grid
Pw
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Our Proven Track Records
We have numerous proven track records in the commercial, industrial, residential and government sectors.
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Elements Ice Rink (2010)- Dessiccant Dehumidification System
Cathay Pacific Cargo Terminal (2011)- Filtration System
Our Proven Track Records
CLP Black Point Power Station (2013)- Dessiccant Dehumidification System & Air Cooled Chiller
28 Hennessy Road (2011)- Filtration System & VAV Box
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Hong Kong University Centennial Campus (2011)- Filtration System & Cooling Tower
Ko Shan Theatre (2013 & 2014)- Fitration System & Cooling Tower
Discovery Park Shopping Centre (2011)- Cooling Tower
Our Proven Track Records
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Office of An International Bank in Shek Mun (2014)- Chilled Beam & Chilled Ceiling
Science Park Phase III (2008-2014)- Chilled Beam, VRF System & VAV Box
Chek Lap Kok Civil Aviation Department (2010)- VRF System
Lavotto (2010)- VRF System
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Shatin Peak One (2010)-VRF System
23Miramar Tower (2014)- Oil Free Chiller
Our Proven Track Records
Plaza Hollywood (2014)-Oil Free Chiller
Mongkok Hang Seng Bank (2012)- Air Cooled & Water Cooled Chiller
International Commerce Centre (2011)- VAV Box
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The Forum, Exchange Square (2014)- VAV Box and Air Cooled Chiller
One Island East (2009)- VAV Box
ATALBuildingServicesEngineeringLtd.providestotalsolutionfromdesign, installation,testing,commissioning tomaintenanceandoperationof full spectrumofbuildingservicesworks,includingMVAC,Electrical,Fire,Plumbing&Drainage,ELV,EnergyManagement,ControlandBuildingManagementSystemsforbuildingandinfrastructuredevelopmentprojects.Weofferawiderangeofintelligentandgreenbuildingsolutionsinclude:
▌AudioVisual&Communication▌BuildingManagement&Control▌EfficientHVACSolution▌ElectricalSystems▌ELV&Security▌EnergyManagement▌LightingSolution▌RenewableEnergy▌ThermalStorage
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ATAL BUILDING SERVICES ENGINEERING LTD13/F,IslandPlaceTower,No.510King’sRoad,NorthPoint,HongKongTel: 2565 3399 • Fax: 2562 6401 • Email: [email protected]