IN'THIS'ISSUE: VRF'Zoning:'Perfect'HVAC' Solution'for...

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IN'THIS'ISSUE:

VRF'Zoning:'Perfect'HVAC'

Solution'for'Historic

RenovationsAdding%or%updating%an%HVAC%system%in%a%historic%building%canpresent%significant%challenges.%Historic%structures%often%lack%spacefor%ductwork,%and%their%electrical%systems%were%not%designed%toaccommodate%central%cooling%and%heating%equipment.%What'smore,%installation%of%ducts%and%heavy%equipment%can%blemishstunning%architecture.

Interview'with'an'Architect:

Kurt'Haapala,'Principal,'Mahlum'Architects

Mitsubishi%Electric%US%Cooling%&%Heating%Divisioninterviewed%Kurt%Haapala,%AIA,%LEED%AP,%principal,Mahlum%Architects%.%.%. %

VRF'Zoning'System'Protects'Colorado’s'History

Established%in%1879,%the%Colorado%Historical%Societyhas%long%served%as%the%state’s%memory%keeper.%In2008,%the%society%sought%.%.%.

Retiree’s'Renovated'Home'Reduces

Energy'Usage'by'80'Percent

When%Catherine%O’Neill%retired,%she%wanted%tocreate%a%comfortable%home%with%a%distinctenergyVefficiency%statement.

New'SPSeries'Addition'Is'Only'5Pton,

SinglePphase'System'on'the'Market

Mitsubishi%Electric%has%announced%an%addition%toits%Variable%Refrigerant%Flow%(VRF)%zoning%SVSeriescooling%and%heating%systems.

Mitsubishi'Electric'Showcases'New'5Pton'

Outdoor'Unit'at'Greenbuild

In%November,%Mitsubishi%Electric%showcased%itsnew%SVSeries%PUMYVP60%model%at%the%leading%greenbuilding%trade%show%.%.%.

LEED'Version'4'Testing'Underway

Testing%of%the%new%Leadership%in%Energy%andEnvironmental%Design%(LEED)%construction%ratingsystem%is%underway,%with%version%4%standardsexpected%to%launch%.%.%.

R2PSeries'Named'Product'Innovation

Award'Winner

The%Mitsubishi%Electric%R2VSeries%recently%washonored%by%Architectural%Products%magazine%with%aProduct%Innovation%Award%.%.%.

Featured'Video%HGTV%designer%Cortney%Novogratzdiscusses%design%considerations%forinstalling%Mitsubishi%Electric%units.

Mitsubishi% Electric% recently% developed% a% white% paper% for% Architectmagazine% that% outlines% the% many% benefits% of% Variable% RefrigerantFlow% (VRF)% zoning% technology% and% how% architects% can% garner% asubstantial%number%of%points%toward%LEED%certification%by%specifyingthe%systems.%Click%here%to%read%the%white%paper.

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Winter'2013 Home% Subscribe% Email%to%a%Friend% Print%This%Issue% Last%Issue

VRF'Zoning:'Perfect'HVAC'Solution'for'HistoricRenovationsAdding%or%updating%an%HVAC%system%in%a%historic%building%can%present%significantchallenges.%Historic%structures%often%lack%space%for%ductwork,%and%their%electricalsystems%were%not%designed%to%accommodate%central%cooling%and%heatingequipment.%What's%more,%installation%of%ducts%and%heavy%equipment%can%blemishstunning%architecture..

Mitsubishi%Electric's%CITY%MULTI%Variable%Refrigerant%Flow%(VRF)%zoning%systemsmeet%all%these%challenges.%The%solutions%are%flexible%and%modular,%and%arespecifically%designed%to%minimize%disruption%to%the%building%and%preserve%itsaesthetic%integrity.%The%systems%are%easy%to%install,%especially%in%structures%withdelicate%plaster%walls%and%stately%brick%facades.

Mitsubishi%Electric%VRF%zoning%systems%require%only%a%small%opening%in%the%wall%orrooftop%for%connection%of%piping%from%the%outdoor%unit%to%the%Branch%Circuit%(BC)Controller,%so%there%is%minimal%impact%on%the%building%envelope.%The%indoor%unitscan%be%mounted%just%about%anywhere%(on%or%behind%a%wall,%in%the%ceiling%or%on%thefloor),%and%a%variety%of%styles%are%available.%Likewise,%the%outdoor%condensing%unitsare%compact%and%lightweight,%so%they%can%easily%be%placed%on%a%roof%withoutcompromising%the%building’s%structural%integrity.%WaterSsource%condensing%unitsare%available%to%provide%heat%exchange%from%an%available%water%loop.%These%unitsmount%inside%a%mechanical%room%for%easy%access%and%zero%impact%on%the%buildingenvelope.

VRF%zoning%systems%have%a%number%of%other%benefits.%They%take%advantage%ofinnovative%INVERTERSdriven%technology,%which%provides%superior%control%of%roomcomfort%and%energy%efficiency%by%varying%the%amount%of%refrigerant%needed

ARTICLES'IN'THIS'ISSUE:

VRF'Zoning:'Perfect'HVACSolution'for'Historic'Renovations

Interview'with'an'Architect:Kurt'Haapala,'Principal,Mahlum'Architects

VRF'Zoning'SystemProtects'Colorado's'History

Retiree's'Renovated'HomeReduces'Energy'Usageby'80'Percent

New'SQSeries'AdditionIs'Only'5Qton,'SingleQphaseSystem'on'the'Market

Mitsubishi'Electric'ShowcasesNew'5Qton'Outdoor'Unitat'Greenbuild

LEED'Version'4'TestingUnderway

R2QSeries'Named'ProductInnovation'Award'Winner

We'Appreciate'Your'Feedback

Was%the%information%in%this%article%useful?

%Yes% %No

Please%explain%your%response.%Thank%you.

throughout%the%system.%The%BC%Controller%directs%refrigerant%through%piping%to%thezones%to%be%cooled%or%heated.%They%can%simultaneously%cool%some%zones%whileheating%others.%VRF%systems%are%designed%for%quiet%operation.%The%INVERTERSdriven%compressor%motor%ramps%up%and%down%smoothly%to%meet%the%needs%of%thespaces%served,%versus%conventional%compressors%that%bang%on%and%off.%Thecompressor%is%housed%in%its%own%compartment,%surrounded%by%soundSdampeninginsulation,%to%further%reduce%noise.%Likewise,%the%indoor%units%use%fan%technologythat%can%deliver%air%quieter%than%a%human%whisper.

Best%of%all,%the%total%VRF%zoning%system%installed%cost%is%less%than%or%equal%to%thetotal%installed%cost%of%most%conventional%systems.%Also,%maintenance%is%minimalthanks%to%easyStoSaccess%filters,%minimal%ductwork%and%simple%wiring.

Vic%Amoroso,%president%of%A&J%Associates,%PC,%installed%a%Mitsubishi%Electric%VRFzoning%waterSsource%system%in%the%Muscatine%County%Courthouse,%Muscatine,Iowa.%Built%in%1907,%the%building%has%24SinchSthick%limestone%walls.

"There%are%so%many%benefits%to%this%system,"%the%40Syear%HVAC%design%engineersaid.%"First%of%all,%there%is%the%historic%preservation%accommodation%of%thistechnology,%which%is%the%least%intrusive%of%other%systems.%Then%there%is%the%superSquiet%aspect%of%the%indoor%units,%ideal%for%an%office%environment.%It's%so%quiet%thatpeople%often%ask%if%it%is%operating.%There%is%also%the%unique%INVERTERSdrivencompressor%that%varies%its%speed%to%match%the%indoor%cooling%or%heating%demand.”

“Perhaps%best%of%all,%we%were%able%to%remove%that%hideous%chiller%on%thecourthouse's%roof%that%spoiled%its%classic%lines,"%added%Sherry%Seright,%budgetdirector%for%Muscatine%County.%"The%diminutive%demands%of%this%VRF%zoningsystem%have%helped%us%bring%back%the%grandeur%of%our%courthouse.”

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An'Architect’s'Perspective

To%bring%the%East%62nd%Street%Historic%Mansions%in%New%York%City%up%to%the%highestsustainability%standards,%architect%Joseph%Pell%Lombardi%sought%an%innovativeHVAC%technology%to%replace%the%brownstones’%circaS1920%equipment.%He%choseMitsubishi%Electric%VRF%zoning%systems.

“For%my%extensive%work%in%conservation%and%preservation,%this%technology%isremarkable,”%Lombardi%said.%“With%outdoor%units%on%the%roof%and%tiny%pipesconnecting%the%indoor%units,%the%architectural%integrity%of%my%legacy%buildings%ispreserved.”

“This%is%an%outstanding%system%for%landmark%buildings,”%added%Dennis%Nico,director%of%facilities,%14S62%Realty%Corp.,%which%owns%the%brownstones.%“I%haveheard%lots%of%compliments%from%our%new%tenants.%They%find%the%VRF%systemcomfortable%and%easy%to%use.”

For%more%case%study%examples,%click%here.

Interview'with'an'Architect:Kurt'Haapala,'Principal,'Mahlum'ArchitectsMitsubishi%Electric%US%Cooling%&%Heating%Divisioninterviewed%Kurt%Haapala,%AIA,%LEED%AP,%principal,Mahlum%Architects,%Portland,%Ore.,%for%insights%onhow%he%incorporates%Variable%Refrigerant%Flow%(VRF)zoning%systems%into%his%ecoNfriendly%designs.%Haapalahas%used%Mitsubishi%Electric%VRF%zoning%systems%since2004,%including%in%two%buildings%at%PacificUniversity—Burlingham%Hall%and%Gilbert%Hall—thatboth%earned%LEED%Gold%certification.

Mitsubishi'Electric'US'Cooling'&'Heating'Division(ME):%What%types%of%projects%does%your%firm%design?Kurt'Haapala'(KH):%We%work%on%a%large%range%of%sustainable%designs,%includinghigher%education%institutions,%research%facilities%and%healthcare%buildings.%I%workon%higher%education%buildings.

ME:%In%what%percentage%of%projects%do%you%use%VRF%zoning%systems?KH:%I%would%say%50%to%60%percent%of%the%higher%education%projects%I%design.

ME:%As%an%architect,%what%do%you%see%as%the%benefits%of%using%VRF%zoning%systems?KH:%The%flexibility,%the%user%comfort.%Those%are%the%big%features,%especially%in%aresidence%hall%where%you%might%have%Susan%in%one%unit%that's%facing%north%andthat’s%hot%and%needs%cooling,%and%Mark%in%a%unit%facing%south%and%who%has%adifferent%[comfort]%tolerance.%With%VRF%systems,%their%climate%preferences%do%notimpact%each%other.

ME:%VRF%zoning%systems%are%very%efficient.%How%do%they%compare%with%other%HVACsystems?%KH:%For%universities%that%don't%have%a%campuswide%infrastructure%but%areinterested%in%sustainability,%a%VRF%system%makes%the%short%list%instantly.%There%areother%systems,%such%as%groundNsource%heat%pumps,%that%are%even%more%efficient,but%they%come%with%a%higher%first%cost.%VRF%systems%hit%a%sweet%spot%of%bridgingaffordability%with%sustainability.

ME:%Do%you%see%any%challenges%working%with%VRF%zoning%systems?%KH:%The%No.%1%challenge%when%you%have%a%large%project%is%finding%a%place%for%thechillers.%It’s%an%aesthetic%challenge.%We%have%to%make%sure%we%have%the%rightmakeup%air%coming%in%and%the%right%clearances,%and%yet%find%a%place%where%they'renot%too%visually%obtrusive.

ME:%Have%you%worked%on%a%project%in%which%there%were%any%issues%that%a%VRFzoning%system%solved?KH:%Ackerman%Hall,%Western%Oregon%University,%is%a%good%example.%It's%the%firstLEED%Platinum%residence%hall%in%the%nation,%so%it%had%very%high%sustainability%goals.It%is%also%on%a%campus%that%has%a%campuswide%steam%system,%so%we%were%instructed

New'SUSeries'AdditionIs'Only'5Uton,'SingleUphaseSystem'on'the'Market

Mitsubishi'Electric'ShowcasesNew'5Uton'Outdoor'Unitat'Greenbuild

R2USeries'Named'ProductInnovation'Award'Winner

%Yes% %No

to%tie%into%the%central%plan%for%the%heating%for%the%student%rooms.%But%there%wasconcern%about%the%academic%spaces,%and%it%was%clear%those%spaces%needed%cooling.The%building%has%a%hybrid%system,%but%its%primary%goals%were%to%create%comfortableliving%environments%and%to%achieve%the%highest%levels%of%sustainability.%TheMitsubishi%Electric%VRF%system%was%able%to%fit%in%as%one%of%the%big%players%in%theoverall%project.

ME:%So,%there%are%projects%where%a%system%is%in%place%and%you%have%to%fit%in%a%VRFzoning%system?%KH:%When%we’re%designing%in%a%campus%setting,%the%first%thing%we%need%to%know%iswhat%are%the%utilities,%what%are%the%systems,%what%are%the%campuswideinfrastructures%that%we%are%tying%into—or%if%these%existing%systems%are%antiquatedand%that%they%don’t%want%us%to%tie%into.

ME:%How%does%a%VRF%zoning%system%gain%points%toward%LEED%certification?%KH:%It%touches%a%number%of%the%LEED%checklist%points,%so%that’s%a%benefit%to%adesign%team%that%is%looking%to%move%the%project%toward%LEED%certification.%But%theintrinsic%benefit%is%more%the%thermal%comfort,%the%controllability%for%the%users,which,%again,%hits%LEED%thermal%comfort%points.%For%me,%it%comes%down%to%studentcomfort%and%satisfaction.

ME:%Besides%contributing%to%LEED%certification,%what%were%the%overall%results%ofusing%the%VRF%zoning%systems%in%your%projects??%KH:%One%of%the%results%is%ease%of%maintenance.%I%know%for%a%fact%that%ChuckCarpenter,%who%is%one%of%the%primary%maintenance%staff%at%Pacific%University,%lovesthe%system.%It%has%not%failed%him—the%filters%are%easy%to%change,%and%it’s%been%avery%easy%system%for%him%to%monitor%with%the%controls%package.%He%was%veryinvolved%in%the%design%and%very%passionate%about%his%facilities.%He%used%to%tell%methat%he’d%get%up%in%the%morning%and%have%his%coffee%at%home,%pull%up%the%systemand%see%how%the%two%buildings%were%working.%And%then%when%he%got%to%work,%ifthere%needed%to%be%any%adjustments,%he%could%easily%make%them.

ME:%How%do%you%decide%on%a%type%of%HVAC%system%for%a%project?%What%makes%youultimately%decide%on%VRF%zoning?%KH:%A%lot%of%the%time,%it%boils%down%to%affordability.%We%present%a%matrix%for%ourclients%that%goes%through%first%cost,%lifecycle%cost,%longNterm%energy%efficiency,%easeof%maintenance%and%availability%of%parts.%We%put%this%matrix%in%front%of%them%withthe%different%systems%option—VRF,%groundNsource,%radiant%panel%systems—andexplain%the%benefits%and%drawbacks%of%each%one.%First%cost%is%a%huge%thing,especially%with%today’s%new%economy.%But%no%one%wants%to%just%go%with%the%lowest,cheapest%system,%because%they%know%they’re%going%to%pay%for%it%later%as%the%cost%ofenergy%continues%to%rise.%Sure,%there%are%cheaper%heating%and%cooling%systemsthan%VRF%zoning%systems,%but%they%don’t%have%the%same%kind%of%maintenanceprogram.%They’re%not%as%energy%efficient.%If%you’re%throwing%away%the%system%in%15years,%what’s%the%point?

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ME:%What%advice%would%you%give%an%architect%who’s%thinking%about%using%VRFzoning%systems%for%the%first%time?%KH:%I%would%say,%listen%to%your%mechanical%engineer.%But%do%your%homework%so%youunderstand%the%system%and%can%present%it%to%the%client%in%a%way%that%gives%themthe%pros%and%cons.%You%need%to%be%up%to%speed%on%the%technology.%That’s%not%adrawback.%I%think%all%of%the%newer%systems%are%more%complex,%like%our%cars%andcomputers.%It’s%just%part%of%the%evolution%of%our%built%environment.

VRF'Zoning'System'Protects'Colorado’s'History

Established%in%1879,%the%Colorado%Historical%Society%has%long%served%as%the%state’smemory%keeper.%In%2008,%the%society%sought%to%reinvent%itself%for%a%21stIcenturyaudience%and,%four%years%later,%the%stunning%200,000IsquareIfoot,%$110%millionHistory%Colorado%Center%opened.%Designed%by%Tryba%Architects,%Denver,%thecenter’s%architecture%is%meant%to%be%as%monumental%as%its%exhibitions,%and%is%slatedfor%LEED®%Gold%certification.

To%meet%the%design%and%highItech%exhibit%requirements,%Craig%Watts,%PE,%LEED%AP,principal%with%MKK%Consulting%Engineers%(MKK),%Denver,%sought%a%flexible,%highIperformance%HVAC%system.%History%Colorado%also%needed%consistent%temperaturecontrol%for%when%Rocky%Mountain%temperatures%dip%below%zero.

MKK%specified%a%Variable%Refrigerant%Flow%(VRF)%zoning%system%from%MitsubishiElectric%Cooling%&%Heating.%The%system%was%equipped%with%a%Low%Ambient%CoolingKit,%which%guarantees%performance%to%minus%10%degrees%Fahrenheit.

Mitsubishi%Electric%VRF%zoning%systems%are%ideal%for%applications%that%requireprecise%temperature%control.%The%INVERTERIdriven%compressor%technologyresponds%instantly%to%indoor%and%outdoor%temperature%changes,%varying%theirspeed%to%meet%load%requirements%and%maintain%a%set%temperature.

Providing%cooling%to%server%rooms%and%electrical%closets%is%a%challenge,%especiallywhen%they%are%located%throughout%a%building.%The%Mitsubishi%Electric%system%haslong%piping%line%lengths,%so%rooms%can%easily%be%connected%to%one%system.

“This%approach%helped%us%save%on%installation%costs%by%reducing%the%amount%ofequipment,%electrical%wiring%and%piping%on%the%project,”%said%Chris%Zalinger,%projectmanager,%RK%Mechanical,%Denver.

Operating%an%airIcooled%airIconditioning%system%in%cold%weather%presents%a%unique

VRF'Zoning:'Perfect'HVAC

Solution'for'Historic'Renovations

Kurt'Haapala,'Principal,

Mahlum'Architects

VRF'Zoning'System

Protects'Colorado's'History

Retiree's'Renovated'Home

Reduces'Energy'Usage

by'80'Percent

New'SRSeries'Addition

Is'Only'5Rton,'SingleRphase

System'on'the'Market

Mitsubishi'Electric'Showcases

New'5Rton'Outdoor'Unit

at'Greenbuild

LEED'Version'4'Testing

Underway

R2RSeries'Named'Product

Innovation'Award'Winner

%Yes% %No

Featured'Video%

HGTV%designer%Cortney%Novogratzdiscusses%design%considerations%forinstalling%Mitsubishi%Electric%units.

Check'Us'Out'on:

set%of%challenges,%like%maintaining%adequate%system%head%pressure%and%battlinguncontrollable%winds.%The%Mitsubishi%Electric%VRF%zoning%system%solved%thoseissues.

“I%knew%the%Low%Ambient%Cooling%Kit%was%vital%to%the%success%of%the%dataprotection%installation,”%Watts%said.%“It%also%became%clear%that%a%competitor’ssystem%did%not%have%the%technology%to%meet%this%need.%Having%the%kit%made%mychoice%simple.”

Likewise,%History%Colorado’s%Mitsubishi%Electric%system%performs%admirably%duringthe%summer%months.%“Even%though%we%had%record%heat%last%summer%in%Denver,%wehave%not%had%a%single%issue%related%to%the%units,”%said%Chief%Building%Engineer%DougCrowell.%“I%am%pleased%and%impressed%with%the%excellent%performance.”

To%view%the%full%version%of%the%case%study,%click%here.

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Retiree’s'Renovated'Home'Reduces'Energy'Usage'by'80'PercentWhen%Catherine%O’Neill%retired,%she%wanted%to%create%a%comfortable%home%with%adistinct%energyCefficiency%statement.%In%a%culCdeCsac%of%ranch%houses%near%historicdowntown%Sonoma,%Calif.,%she%purchased%a%runCdown%1962%farmhouse%that%hadnot%been%lived%in%for%years%but%that%had%“good%bones.”

To%transform%the%neglected%house%into%a%showcase%for%energy%efficiency,%O’Neillturned%to%Rick%Milburn,%founder%of%PassivWorks,%Inc.,%Vineberg,%Calif.%Togetherthey%decided%to%rebuild%the%home%to%the%Passive%House%(Passivhaus)%Standarddeveloped%in%Germany%in%1988.%Compared%to%traditional%dwellings,%a%PassiveHouse%reduces%overall%energy%usage%by%60%to%70%percent%and%heat%usage%by%90percent.

Using%energyCmodeling%data,%Milburn%decided%on%a%number%of%innovativeconstruction%techniques%and%products%to%make%the%home%extremely%airtight.Because%the%Passive%House%standard%for%air%leakage%is%extremely%low%and%thehomes%are%virtually%airtight,%the%O’Neill%house%was%wrapped%in%earthCfriendlyplywood%sheathing%and%another%barrier,%and%the%walls%were%stuffed%with%fiberglassinsulation.%Plus,%all%joints%were%tightly%sealed%with%building%tape.

The%O’Neill%farmhouse%also%was%dressed%with%a%premium%insulated%metal%roof%andtripleCpane%windows.%After%the%windows%were%installed,%an%airCtightness%test%foundthat%the%house%performed%30%percent%better%than%Passive%House%Standardrequirements.

Mitsubishi'Electric'System'a'Good'Match

Although%the%home’s%electricity%is%supplied%by%solar%panels,%for%backup%cooling%andheating%Milburn%installed%a%residential%system%without%ductwork%from%MitsubishiElectric.%“The%Mitsubishi%Electric%technology%is%the%most%wellCmatched%system%formeeting%[Passive%House]%energyCefficiency%goals,”%Milburn%said.%“Their%miniCsplitsystems%are%unique%for%meeting%small%cooling%and%heating%loads.%Plus,%the%indoor

New'SSSeries'AdditionIs'Only'5Ston,'SingleSphaseSystem'on'the'Market

Mitsubishi'Electric'ShowcasesNew'5Ston'Outdoor'Unitat'Greenbuild

R2SSeries'Named'ProductInnovation'Award'Winner

%Yes% %No

Check'Us'Out'on:

and%outdoor%units%are%so%quiet%you%can’t%tell%they%are%in%operation.”

Besides%superior%efficiency,%the%single,%indoor%wallCmounted%unit%is%connected%withtwo%small%pipes%to%the%outdoor%unit,%so%walls%were%not%torn%up%to%add%ducts.%“Theunits%are%so%compact—the%outdoor%unit’s%the%size%of%a%suitcase,”%said%the%projectarchitect,%Jarrod%M.%Denton,%AIA,%Signum%Architecture,%St.%Helena,%Calif.

The%O’Neill%house%achieved%an%80%percent%reduction%in%energy%use%when%comparedto%a%typical%California%home.%The%retiree’s%combined%gas%and%electric%bills%averageless%than%$20%a%month.%Recently,%the%house%was%selected%by%the%U.S.%Departmentof%Energy%as%a%prototype%home%for%building%professionals%to%learn%from.

The%homeowner%is%thrilled:%“My%favorite%thing%about%my%house%is%that…it%is%notonly%highly%energy%efficient,%but%it’s%also%beautiful,%inviting%and%comfortable.”

To%view%the%full%version%of%the%case%study,%click%here.

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New'S/Series'Addition'Is'Only'5/ton,

Single/phase'System'on'the'Market

Mitsubishi%Electric%has%announced%anaddition%to%its%Variable%Refrigerant%Flow(VRF)%zoning%SBSeries%cooling%and%heatingsystems.%The%updated%SBSeries%PUMYBP60model%is%the%only%5Bton,%singleBphase%VRFzoning%system%available%for%homes%and%lightcommercial%spaces.%The%following%are%keyfeatures%of%the%new%SBSeries%model:

Features%INVERTERBdriven%compressorand%intelligent%microcompressor%controls.

Operates%at%as%low%as%22%percent%of%totalsystem%capacity.

Operates%down%to%minus%4%degrees%Fahrenheit.

Has%extended%line%length%to%492%feet.

Features%improved%efficiency%at%16.7%SEER.

Can%connect%to%up%to%12%indoor%units.

Is%compatible%with%all%Mitsubishi%Electric%indoor%unit%styles.

Is%compatible%with%the%CITY%MULTI®%Controls%Network%(CMCN).%The%SBSeriesopens%up%the%benefits%of%VRF%zoning%technology%to%lowBto%midBrise%commercialbuildings%and%larger%homes.%To%learn%more%about%the%SBSeries,%visitmitsubishipro.com.

Mahlum'Architects

VRF'Zoning'System

by'80'Percent

New'S/Series'Addition

Is'Only'5/ton,'Single/phase

New'5/ton'Outdoor'Unit

at'Greenbuild

Underway

R2/Series'Named'Product

Check'Us'Out'on:

Mitsubishi'Electric'Showcases'New'5:ton'OutdoorUnit'at'GreenbuildIn%November,%Mitsubishi%Electric%showcased%its%new%CITY%MULTI%SASeries%PUMYAP60%model%at%the%leading%building%trade%show,%and%hundreds%of%attendees%visitedthe%booth%for%a%closer%lgreenook%at%the%Variable%Refrigerant%Flow%(VRF)%zoningsystem.

The%2012%Greenbuild%International%Conference%and%Expo%drew%more%than%30,000building%professionals%to%San%Francisco’s%Moscone%Convention%Center,%Nov.%14A16.The%event%featured%networking%opportunities,%inspiring%speakers,%workshops,tours%of%some%of%San%Francisco’s%greenest%buildings%and%a%chance%for%pros%to%learnabout%the%latest%in%green%building%practices,%products%and%technologies.

Sponsored%by%the%U.S.%Green%Building%Council,%Greenbuild%is%the%world's%largestconference%and%exposition%dedicated%to%green%building%design,%construction%andproducts.%San%Francisco%was%an%ideal%choice%for%the%event%because%it%has%beennamed%the%greenest%city%in%North%America%and%has%the%largest%number%USGBCLEED®%certified%buildings,%including%two%structures%in%the%Moscone%Center.

The%Mitsubishi%Electric%booth%featured%the%only%5Aton,%singleAphase%VRF%zoningsystem%designed%for%light%commercial%and%large%residential%applications.%Boothvisitors%were%impressed%that%Mitsubishi%Electric’s%VRF%zoning%systems%can%helpnew%and%renovated%buildings%earn%valuable%LEED%points%in%the%Energy%&Atmosphere%(EA)%and%Indoor%Environmental%Quality%(IEQ)%categories.

New'S:Series'AdditionIs'Only'5:ton,'Single:phaseSystem'on'the'Market

Mitsubishi'Electric'ShowcasesNew'5:ton'Outdoor'Unitat'Greenbuild

R2:Series'Named'ProductInnovation'Award'Winner

Check'Us'Out'on:

LEED'Version'4'Testing'Underway

Testing%of%the%new%Leadership%in%Energy%andEnvironmental%Design%(LEED)%construction%ratingsystem%is%underway,%with%version%4%standardsexpected%to%launch%in%2013.

With%the%exception%of%new%federal%buildings,%LEEDcertification%is%voluntary%and%provides%a%standard%forenergyKefficient%and%environmentally%friendly%projects.Levels%of%certification%are%based%on%the%total%points%abuilding%achieves%on%a%100Kpoint%scale.

The%v4%proposal%includes%allocating%nearly%20%percent%of%all%points%to%optimizingenergy%performance%over%ASHRAE%90.1K2010,%a%move%that%would%increase%theemphasis%on%energy%efficiency%from%previous%versions,%according%to%the%U.S.%GreenBuilding%Council,%which%administers%the%program.%The%current%draft%also%grants%upto%nine%points%if%a%building%is%constructed%with%higherKquality%materials.

Other%anticipated%changes%include%the%following:

Added'market'sectors:%Data%centers,%warehouses%and%distribution%centers,hospitality%facilities%(e.g.,%hotels),%existing%schools,%existing%retail%and%LEED%forHomes%MidKRise.

Increased'technical'rigor:%Revisions%to%credit%weights,%new%credit%categoriesfocusing%on%integrated%design,%life%cycle%analysis%of%materials%and%an%increasedemphasis%on%measurement%and%performance.

Streamlined'services:%Enhancements%to%the%LEED%Online%platform%to%make%itmore%intuitive%and%new%tools%to%make%the%LEED%documentation%process%moreefficient.

Mahlum'Architects

VRF'Zoning'System

by'80'Percent

New'STSeries'Addition

Is'Only'5Tton,'SingleTphase

New'5Tton'Outdoor'Unit

at'Greenbuild

Underway

R2TSeries'Named'Product

Check'Us'Out'on:

R2-Series'Named'Product'Innovation

Award'Winner

The%Mitsubishi%Electric%R2<Series%recentlywas%honored%by%Architectural+Productsmagazine%with%a%Product%Innovation%Award,which%recognizes%product%ingenuity%in%thebuilt%environment.%The%Product%InnovationAwards%span%all%product%categories%in%thecommercial%building%sector,%and%winners%areselected%by%experts%in%the%field.

Each%R2<Series%system%uses%VariableRefrigerant%Flow%(VRF)%zoning%technology%tosimultaneously%cool%and%heat%up%to%50%zoneswithin%a%building.%The%product%providesenergy<saving,%heat<recovery%operation%through%the%use%of%the%Branch%Circuit%(BC)Controller.

The%R2<Series%minimizes%wasted%energy%by%redirecting%waste%heat%that%wouldtypically%be%expelled%outdoors,%thus%resulting%in%optimum%energy%usage.%Thesystem%has%an%outdoor%temperature%range%of%minus%4%degrees%Fahrenheit%to%60degrees%Fahrenheit%when%heating,%and%23%degrees%Fahrenheit%to%115%degreesFahrenheit%when%cooling.%The%increased%temperature%range%of%this%series%offersdesign%capabilities%for%larger%systems.

Mahlum'Architects

VRF'Zoning'System

by'80'Percent

New'S-Series'Addition

Is'Only'5-ton,'Single-phase

New'5-ton'Outdoor'Unit

at'Greenbuild

Underway

R2-Series'Named'Product

Check'Us'Out'on:

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