Hisense HCHS-N06X User manual

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M00122Q版本号： V01
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100g双胶纸 70g双胶纸
牛世波 2018.1.16
曹培春
赵连池
2018.1.19
陶友淘
2018.1.19
2018.1.19
CHANGE-OVER BOX 改为Switch Box
Switch-BOX 改为Switch Box
H-LINK信息去除
MULTI-KIT改为BRANCH PIPE
全册
全册
全册
全册
接管图和接线图信息优化，补充水模块功能 P12、P18
×BZ/KF-1901-171 2019.1.29 薛杰

M00122Q
Models:
HCHS-N06X
HCHS-N10X
Installation
Manual
for
Cooling / Heating
Switch Box
IMPORTANT:
READ AND UNDERSTAND
THIS MANUAL CAREFULLY
BEFORE INSTALLING THIS
SWITCH BOX.
KEEP THIS MANUAL FOR
FUTURE REFERENCE.
1097193
ORIGINAL INSTRUCTIONS

i
IMPORTANT NOTICE
● Theapplicableoutdoorunitmaybedifferentdependingontheproductseries.
Impropercombinationcausestheunittomalfunctionandanalarmwillbetriggered.Besuretoconrm
withtheproductcataloguebeforeinstallation.
●Hisense/HITACHIpursuesapolicyofcontinuousimprovementinthedesignandperformanceof
productsto meetregulatoryrequirementsandindustrystandards.Therefore,Hisense/HITACHI
reservestherighttorevise specificationswithoutnotice.
●Hisense/HITACHIcannotanticipateeverypossiblecircumstancethatmightinvolveapotentialhazard.
● Thisheatpumpairconditionerisdesignedforstandardairconditioningapplicationsonly.Donotusethis
heatpumpairconditionerforotherpurposes,suchasdryingclothes,refrigeratingfoods,orforanyother
coolingorheatingprocess.
● Donotinstalltheunitoutdoors.Donotinstalltheunitinthefollowingplaces.Itmaycauseare,
deformation,corrosionorfailure.
*Placeswheretherearehighlevelsofoilmist(includingmachineryoil).
*Placeswheretherearehighalkalinitylevels(i.e.,chlorineorbrominesuchasoverhottubs,etc.).
*Placeswhereammablegasesorliquidsmaybeusedorgenerated.
*Placeswithahighconcentrationofsalts,saltymistsorsprays(suchasoversalt-wateraquariums).
*Placeswithanatmosphereofhighnuisancedust.Placeswithorganicsolventatmospheres,suchas
paintingandcleaninglocations.
● Donotinstallaunitintheplacewherecondensatewatercanleakontotheunitorelectricaldevicefailures
mayoccur.
● Payattentiontothefollowingpointswhentheunitisinstalledinahospitalorotherfacilitywhere
electromagneticwavesgeneratefrommedicalequipment.
*Donotinstalltheunitinplaceswhereelectromagneticwavesradiatetotheelectricalbox,wiredcontroller
cableorwiredcontroller.
*Installtheunitatleast3m(10ft)awayfromelectromagneticwavesorinterferencessuchasaradio.
● Theinstallerandsystemspecialistshallsecureagainstleakageaccordingtolocalregulationsor
standards.Thissystemhasbothhighandlowpressurerefrigerantand,assuch,comprisesapressurized
system.Neverloosenthreadedjointswhilethesystemisunderpressureandneveropenpressurized
systemparts.
●NopartofthismanualmaybereproducedwithoutwrittenpermissionfromHisense/HITACHI.
● ItisassumedthatthisheatpumpairconditionerwillbeoperatedandservicedbyEnglishspeakingpeople.
Ifthisisnotthecase,thedistributorordealercanprovideoraddsafety,cautionandoperatingsignsinthe
nativelanguage.
● Ifyouhaveanyquestions,contactyourdistributor.
● Thismanualdescribesthefeaturesofthisheatpumpairconditioneraswellasforothermodels.
Thismanualshouldbeconsideredasapermanentpartoftheairconditioningequipmentandshouldremain
withtheairconditioningequipment.

ii
SAFETY SUMMARY
SignalWords
● Signalwordsareusedtoidentifylevelsofhazardseriousness.
Denitionsforidentifyinghazardlevelsareprovidedbelowwiththeirrespectivesignalwords.
: DANGERindicatesahazardoussituationwhich,ifnotavoided,
willresultindeathorseriousinjury.
: WARNINGindicatesahazardoussituationwhich,ifnotavoided,
couldresultindeathorseriousinjury.
: CAUTIONusedwiththesafetyalertsymbol,indicatesahazardoussituationwhich,
ifnotavoided,couldresultinminorormoderateinjury.
: NOTICEisusedtoaddresspracticesnotrelatedtopersonalinjury.
: NOTEisusefulinformationforoperationormaintenance.
DANGER
WARNING
CAUTION
NOTICE
NOTE
CHECKING PRODUCT RECEIVED
● Uponreceivingthisproduct,inspectitforanyshippingdamage.
Inspectallelectricalconnections.Connectionsmustbecleanandtightattheterminals.
Claimsfordamageeitherapparentorconcealed,shouldbeledimmediatelywiththeshippingcompany.
NOTE:Roughhandlingmaydislocateinternalcomponents.
● Checkthemodelnumber,electricalcharacteristics(powersupply,voltageandfrequency)andaccessories
todetermineiftheyarecorrectwiththeorderingandshippinginformation,toensurethecorrectunithas
beenshipped.
Tominimizethepossibilityofdamageafterinspection,theunitsshouldbeinstalledandreassembledas
soonaspossible.
Thestandardinstallationandgeneraluseofthisunitisexplainedinthismanual.
Althoughcommonprocessesandproceduresforinstallingunitsarepresentedinthismanual,itsusefor
installationofunitsotherwiseindicatedinthismanualisnotrecommended.Pleasecontactyourlocalagent,
astheoccasionarises.
Ourliabilityshallnotcoverdefectsarisingfromthealterationperformedbyacustomerwithoutourconsentin
awrittenform.

iii
● Donotperforminstallationwork,refrigerantpipingwork,condensatepump,orcondensatepipingand
electricalwiringconnectionwithoutreferringtotheinstallationmanual.Iftheinstructionsarenotfollowed,
itmayresultinawaterleakage,electricshockorare.
●Usethespeciednon-ammablerefrigerant(R410A)fortheoutdoorunitintherefrigerantcycle.
ChargeonlyR410Aintotheunit.Donotchargeothermaterialsintotheunitsuchashydrocarbon
refrigerants(propane),oxygen,ammablegases(acetylene)orpoisonousgaseswheninstalling,
maintainingandmovingtheunit.Theseflammablesareextremelydangerousandmaycausean
explosion,afire,orinjury.Asoriginallymanufactured,thisunitcontainsrefrigerantinstalledbyHisense/
HITACHI. Hisense/HITACHIusesonlyrefrigerantsthathavebeenapprovedforuseintheunit’sintended
countryormarket. Hisense/HITACHI’distributorssimilarlyareonlyauthorizedtoproviderefrigerantsthat
havebeenapprovedforuse inthecountriesormarketstheyserve.Therefrigerantusedinthisunitis
identifiedontheunit’sfaceplate and/orintheassociatedmanuals.Anyadditionsofrefrigerantintothis
unitmustcomplywiththecountry’s requirementswithregardtorefrigerantuseandshouldbeobtained
fromHisense/HITACHIdistributors.Useof unapprovedrefrigerantsubstituteswillvoidthewarrantiesand
cancauseinjuryordeath.
● Donotpourwaterintotheindoororoutdoorunit.Theseunitsareequippedwithelectricalparts.
Exposuretowatermaycauseaseriouselectricalshock.
● DonotopentheservicecoveroraccesspanelfortheindoororoutdoorunitswithoutturningOFFthemain
powersupply.
● Donottouchoradjustsafetydevicesinsidetheindoorunitoroutdoorunits.Ifthesedevicesaretouched
orreadjusted,itmaycauseaseriousaccident.
● Carefullycheckforescapingrefrigerantgas.Ifthereissignicantleakage,itcancausedifcultyin
breathing.TurnOFFthemainswitch,andcontactyourservicecontractorifrefrigerantleakageoccurs.
● Makesurethattherefrigerantleakagetestisperformed.
Refrigerant(uorocarbon)forthisunitisincombustible,non-toxicandodorless.
Howeveriftherefrigerantisleakedandcomesincontactwithre,toxicgaswillgenerate.
Becauseuorocarbonisheavierthanair,theoorsurfacewillbelledwithit,whichcouldcause
suffocation.
● Theinstallerandsystemspecialistshallsecureagainstrefrigerantleakageaccordingtolocalregulations
orstandards.
● UseaEarthLeakageBreaker(ELB).
Intheeventoffault,thereisdangerofanelectricshockorareifitisnotused.
DANGER
SAFETY SUMMARY

iv
SAFETY SUMMARY
WARNING
● Donotuseanysprayssuchasinsecticide,lacquer,hairsprayorotherammablegaseswithin
approximately1.3m(4ft)fromthesystem.
● Ifthecircuitbreakerorfuseisoftenactivated,stopthesystemandcontactyourservicecontractor.
● Checkthatthegroundwiringissecurelyconnected.Iftheunitisnotcorrectlygrounded,itmaycause
electricshock.Donotconnectthegroundwiringtogaspiping,condensatepiping,lightingconductoror
groundwiringfortelephones.
● Beforeperforminganybrazingwork,checktoensurethatthereisnoammablematerialaround.
Whenusingrefrigerant,besuretowearleatherglovestopreventinjuryfromcold.
● Insulateelectricalwiring,condensatepiping,andelectricalcomponentsfromthreatsposedbyburrowing
animalsandtemperatureextremes.Failuretodosocan,overtime,deterioratesystemperformance.
● Securethecables.Externalforcesontheterminalscouldleadtoare.
● Tightenthearenutwithatorquewrenchinthespeciedmanner.Donotapplyexcessiveforcetothe
arenutwhentightening.Ifyoudo,thearenutcancrackandrefrigerantleakagemayoccur.
● Whenmaintaining,relocatingordisposingoftheunit,dismantletherefrigerantpipingafterthecompressor
stops.
● Highlydangerouselectricalvoltagesareusedinthissystem.Carefullyrefertothewiringdiagramand
theseinstructionswhenwiring.Improperconnectionsandinadequategroundingcancauseseriousinjury
ordeath.
● Performallelectricalworkinstrictaccordancewiththisinstallationandmaintenancemanualandall
relevantregulatorystandards.
● Usespeciedcablesbetweenunits.
● Besuretoinstallcircuitbreakers(groundfaultinterrupter,isolatingswitch,moldedcasecircuitbreaker
andsoon),withthespeciedcapacity.Ensurethatthewiringterminalsaretightenedsecurelyto
recommendedtorquespecications.Ifacircuitbreakerorfuseisfrequentlyactivated,shutdownthe
systemandcontactyourservicecontractor.
● Clampelectricalwiressecurelywithacableclampafterallwiringisconnectedtotheterminalblock.
Inaddition,runwiressecurelythroughthewiringaccesschannel.
● Wheninstallingthepowerlines,donotapplytensiontothecables.Securethesuspendedcablesat
regularintervals,butnottootightly.
● Afterstoppingoperation,besuretowaitatleastveminutesbeforeturningoffthemainpowerswitch.
Otherwise,waterleakageorelectricalbreakdownmayresult.Disconnectthepowersupplycompletely
beforeattemptinganymaintenanceforelectricalparts.Checktoensurethatnoresidualvoltageispresent
afterdisconnectingthepowersupply.
● Insulatetherefrigerantpipeconnectiontopreventcondensation.
● Besuretoattachthecoversothatittssecurelyontheelectricalboxwithoutanygaps.Securethecover
withscrews.

v
NOTICE
● Becarefulthatmoisture,dust,orvariantrefrigerantcompoundsnotentertherefrigerantsystemduring
installationwork.Foreignmattercoulddamageinternalcomponentsorcauseblockages.
● Donotinstalltheindoorunit,outdoorunit,wiredcontrollerandcablewithinapproximately3m(10ft)of
strongelectromagneticwaveradiatorssuchasmedicalequipment.
● Afteralongshutdown,applypowertotheoutdoorunit(s)atleast12hourspriortooperationofthesystem
forpreheatingofthecompressoroil.
NOTE
● Itisrecommendedthattheroomisventilatedeverythreetofourhours.
● Theheatingcapacityoftheheatpumpunitisdecreasedaccordingtotheoutdoorairtemperature.
Therefore,itisrecommendedthatauxiliaryheatingequipmentbeusedinthefiel whentheunitis
installedinalowtemperatureregion.
● Donotstepontheunit.
● Donotputanyforeignmaterialontheunitorinsidetheunit.
● Provideastrongandcorrectfoundationsothat:
● Theoutdoorunitisnotonanincline.
● Abnormalsounddoesnotoccur.
● Theoutdoorunitwillnotfalldownduetoastrongwindorearthquake.
CAUTION
IMPORTANT NOTICE
Correct Disposal of this product
This marking indicates that this product should not be disposed with other
household wastes. To prevent possible harm to the environment or human
health from uncontrolled waste disposal, recycle it responsibly to promote the
sustainable reuse of material resources. To return your used device, please use
the return and collection systems or contact the retailer where the product was
purchased. They can take this product for environmental safe recycling.

vi

vii
TABLE OF CONTENTS
1. SafetySummary.............................................................................................................................................1
2. Structure.........................................................................................................................................................1
2.1 Dimensions.............................................................................................................................................1
2.2 RefrigerationCycle.................................................................................................................................2
2.3 NecessaryToolsandInstrumentListforInstallation..............................................................................3
3. TransportationandHandling...........................................................................................................................3
3.1 Transportation........................................................................................................................................3
3.2 HandlingofSwitch Box...........................................................................................................................3
3.3 CombinationofSwitch BoxandIndoorUnit...........................................................................................3
4. Switch BoxInstallation....................................................................................................................................4
4.1 Factory-SuppliedAccessories................................................................................................................4
4.2 InitialCheck............................................................................................................................................5
4.3 SuspensionBolts....................................................................................................................................6
4.4 Installation..............................................................................................................................................7
4.4.1 ChangingtheLocationoftheElectricalBox.................................................................................7
4.4.2 MarkingofthePositionsoftheSuspensionBoltsandWiringConnections.................................8
4.4.3 MountingandHangingtheSwitch Box.........................................................................................8
5. RefrigerantPipingWork..................................................................................................................................9
5.1 RefrigerantPiping...................................................................................................................................9
5.2 RefrigerantPipingWork....................................................................................................................... 11
6. ElectricalWiring............................................................................................................................................15
6.1 GeneralCheck.....................................................................................................................................15
6.2 ElectricalWiringConnection................................................................................................................16
6.3 ElectricalWiring....................................................................................................................................17
6.4 SettingofDIPSwitches........................................................................................................................18
7. TestRun........................................................................................................................................................19
8. SafetyandControlDeviceSetting................................................................................................................20

viii

40 (1-9/16)
Electrical Box
(Available
for both sides)
23(7/8)
Ground Terminal (M5)
(in Electrical Box)
330(13)
(For Suspension Bolt)
38(1-1/2) 301(11-7/8) 38(1-1/2)
376(14-13/16)
82(3-1/4) 301(11-7/8) 89(3-1/2)
180(7-1/16)
38(1-1/2)
40(1-9/16)
89(3-1/2)
Control Wiring
Connection
(⁄20(13/16))
221(8-11/16)
20(13/16)
40
(1-9/16)
54
(2-1/8)
151
(5-15/16)
63(2-1/2)
(⁄15.88(5/8) Flare Nut)
Outdoor Unit Connecting Side
214(8-7/16)
39
(1-9/16)
Refrigerant Gas
(Low Pressure)
Pipe Connection
(⁄19.05(3/4) Flare Nut)
Refrigerant Gas
(high/Low Pressure)
Pipe Connection
Indoor Unit Connecting Side
191(7-1/2)
111(4-3/8)
25(1)
Refrigerant Gas
Pipe Connection
(⁄15.88(5/8 )
Flare Nut)
Suspension Bracket
2×(11(7/16)×34(1-5/16))
Slotted Hole
Power Supply
Wiring Connection
(⁄20(13/16))
1. Safety Summary
●Do not perform installation work, refrigerant
piping work or electrical wiring connection
without referring to our installation manual.
●Check that the ground wire is securely
connected.
●Connect a fuse of specied capacity.
Do not install the Switch Box and
cable within approximately 3m (10 ft)
from strong electromagnetic wave
radiators such as medical equipment.
Figure2.1DimensionsofSwitch Box(1)
2. Structure
2.1 Dimensions
HCHS-N06X
Specification
Model HCHS-N06X
PowerSupply 220-240V~ 50Hz
220V~ 60Hz
PowerConsumption 5W
Refrigerant R410A
NetWeight 6kg(13lbs)
NumberofConnectable
IndoorUnit
1to7
NumberofIndoorUnit
TotalCapacity
6.0HPorless
(Max.16kW)
Unit:mm(inch)
1

S
S S
Indoor Unit Side Outdoor Unit Side
High/Low Pressure
Gas Pipe Connection
Strainer
Strainer
Strainer
: Refrigerant Pipe [Field Installation]
: Flare Nut Connection
:
Brazing Connection
: Switch Box
Electronic Expansion
Valve [MVD1]
Electronic Expansion
Valve [MVS1]Low Pressure
Gas Pipe Connection
Gas Pipe Connection
40 (1-9/16)
Electrical Box
23(7/8)
Ground Terminal (M5)
(in Electrical Box)
330(13)
(For Suspension Bolt)
38(1-1/2) 301(11-7/8) 38(1-1/2)
376(14-13/16)
82(3-1/4) 301(11-7/8) 96(3-3/4)
180(7-1/16)
89(3-1/2)
20(13/16)
40
(1-9/16)
151
(5-15/16)
63(2-1/2)
(€15.88(5/8) Flare Nut)
Outdoor Unit Connecting Side
8-7/16(214)
39
(1-9/16)
(€19.05(3/4) Flare Nut)
Indoor Unit Connecting Side
191(7-1/2)
111(4-3/8)
25(1)
(€19.05(3/4)
Flare Nut)
Suspension Bracket
2×(11(7/16)×34(1-5/16))
Slotted Hole
(Available
for both sides)
Refrigerant Gas
(Low Pressure)
Pipe Connection
Refrigerant Gas
(high/Low Pressure)
Pipe Connection
Refrigerant Gas
Pipe Connection
54
(2-1/8)
38(1-1/2)
40(1-9/16)
Control Wiring
Connection
(€20(13/16))
221(8-11/16) Power Supply
Wiring Connection
(€20(13/16))
2.2 RefrigerationCycle
Figure2.3RefrigerationCycleDiagram
Specification
Model HCHS-N10X
PowerSupply 220-240V~ 50Hz
220V~ 60Hz
PowerConsumption 5W
Refrigerant R410A
NetWeight 6kg(13lbs)
NumberofConnectable
IndoorUnit
1to8
NumberofIndoorUnit
TotalCapacity
6.1to10.0HP
(Max.28kW)
HCHS-N10X
Figure2.2DimensionsofSwitch Box(2)
Unit:mm(inch)
2

2.3 NecessaryToolsandInstrumentListforInstallation
3. Transportation and Handling
3.1 Transportation
Transporttheproductasclosetotheinstallation
locationaspracticablebeforeunpacking.
3.3 CombinationofSwitch BoxandIndoorUnit Combinationisasfollows.
Table3.1CombinationofIndoorUnit
3.2 HandlingofSwitch Box
Do not put any foreign material into the indoor
unit and check to ensure that none exists in the
Switch Box before the installation and test run.
Otherwise, a re or failure, or something similar
may occur.
Do not put any material on the product.
No. Tool No. Tool
1 Handsaw 11 Wrench
2PhillipsScrewdriver 12 ChargingCylinder
3 VacuumPump 13 ManifoldGauge
4 RefrigerantGasHose 14 WireCutter
5 Megohmmeter 15 GasLeakDetector
6 CopperPipeBender 16 Level
7ManualWaterPump 17 CrimperforSolderlessTerminals
8 PipeCutter 18 Hoist(forIndoorUnit)
9 BrazingKit 19 Ammeter
10 HexWrench 20 VoltageMeter
Be careful not to damage insulation materials
of unit’s surface when lifting.
NOTES:
1. Exceedingthetotalcapacitymaycauseinsufficien performanceandabnormalsound.Besuretoconnect
theSwitch Boxwithintheallowabletotalcapacity.
2. Iftheindoorunittotalcapacityis28kWforHCHS-N10X,theperformancemaydecreaseapproximately.
NOTE:
Usetoolsandmeasuringinstruments(vacuumpump,refrigeranthose,chargingcylinder,andmanifold
gauge)exclusivelyfortherefrigerantR410A.
(*1) WhenmultipleindoorunitsareconnectedtothesameSwitch Box ,theyarecontrolledwiththesame
operationmode.
Model HCHS-N06X HCHS-N10X
NumberofBranch(forIndoorUnit) 1 1
SingleUnitperBranch MaximumTotalCapacityofAllConnected
IndoorUnits
6.0HP
(Max.16.0kW)
10.0HPorless
(Max.28.0kW)
MultipleUnitsperBranch
(*1)
MaximumNumberofConnectedIndoor
UnitsperBranch 7 8
MaximumTotalCapacityofAllConnected
IndoorUnits
6.0HP
(Max.16.0kW)
10.0HPorless
(Max.28.0kW)
3

4. Switch Box Installation
●Do not install the Switch Box in a
flammable environment to avoid fire or an
explosion.
4.1 Factory-SuppliedAccessories
Checktoensurethatthefollowing
accessoriesarepackedwiththeSwitch Box.
Table4.1Factory-SuppliedAccessories
NOTE
● Check to ensure that the ceiling slab is strong
enough.
●Do not install the Switch Box outdoors.
If installed outdoors, an electric hazard or
electric leakage may occur.
● Installation WARNING: Ensure that all safety
features, disconnects and interlocks are
in place and functioning properly prior to
putting the equipment into operation. Never
by-pass or jump-out any safety device or
switch.
Ifanyoftheseaccessoriesarenotpackedwiththe
unit,pleasecontactyourdistributor.
Unit:mm(inch)
No. Accessory HCHS-N06X Q’ty HCHS-N10X Q’ty
(1) Reducer ID15.88
(ID5/8)
ID19.05
(ID3/4)
1--
(2)
AccessoryPipe
(forFlareNut)
OD12.7
(OD1/2)
OD15.88
(OD5/8)
2ID22.4
(ID7/8)
OD19.05
(OD3/4)
2
(3) ID19.3
(ID3/4)
OD19.05
(OD3/4)
1ID19.3
(ID3/4)
OD19.05
(OD3/4)
2
(4) --ID19.3
(ID3/4)
OD15.88
(OD5/8)
1
(5)
Insulation
Material
ID16
(ID5/8) 2 1
(6) ID20
(ID13/16) 1--
(7) ID22
(ID7/8) -- 2
(8) ID38
(ID1-1/2) 2 1
(9) ID43
(ID1-11/16) 1 2
(10) Clamp 6 6
4

( 450 (17-11/16))
Min.
AM
in. A
Min. 2-3/4(70)
Min. 70 (2-3/4)
Electrical Box
Service Access Door
2-Suspension Bolt
(Field-Supplied)
Upper Side
Bottom Side
M10 or W3/8
Unit: mm (inch)
100 (3-15/16)
4.2 InitialCheck
●InstalltheSwitch Boxwithaproperclearance
arounditformaintenanceworkingspace,as
showninFigure4.1below.
Size
Model A
HCHS-N06X 300(11-13/16)
HCHS-N10X 400(15-3/4)
Figure4.1ServiceSpace
●Checktoensurethattheceilingissufficiently
strongtosustaintheSwitch Box.Iftheceilingis
weak,abnormalsoundandvibrationmayoccur.
● Whentheelectronicexpansionvalveinthe
Switch Box isactivated,achangeinthe typical
refrigerantflowsoundsmaybeheardor
perceivedfromtheSwitch Box.Takethe
following actiontominimizethesound.
(A) InstalltheSwitch Boxinsidetheceiling.Asfor
theceilingmaterial,selectamateriallikea
plasterboardatleast9mm(1inch),which
minimizesoperationsound.
(B) DonotinstalltheSwitch Box inaplacenear
bedroomsorhospitalrooms.
● Whentheoperationischangedtocooling/
heatingmode,achangeinthetypicalrefrigerant
flowsoundsmaybeheardorperceivedfromthe
Switch Box .
Therefore,installtheSwitch Box intheceilingof
thecorridorsothattherefrigerantflowingsound
maynotbeheardintheroom.
●DonotinstalltheSwitch Boxinahotorhumid
place,suchasakitchen,toprevent
condensationontheoutersurfaceofthe
Switch Box .
WheninstallingtheSwitch Box insuch
places,applyadditionalinsulation.
●Payattentiontothefollowingpointswhenthe
Switch Boxis installed in a hospital or other
facility where there are electronic waves from
medicalequipment.
(A) DonotinstalltheSwitch Box wherethe
electromagneticwaveisdirectlyradiatedto
theelectricalboxorcommunicationcable.
(B) InstalltheSwitch Box andcomponentsasfar
aspracticableoratleast3m(10ft)fromthe
electromagneticwaveradiator.
(C) Installanoisefilte whenthepowersupply
emitsharmfulnoises.
● Ensuretheinstallationplaceisconvenient
fortherefrigerantpipingorelectricalwiring
connection.
● Donotdrill,ordrivescrewsintothecabinet.
Useonlymountingpointsprovided.
5

40(1-9/16)
23(7/8)
11
(2-7/16) x 34(1-5/16)
Slotted Hole
330(13)
Electrical Box
(For Suspension Bolt)
Suspension Bracket
Unit: mm(inch)
C-shaped
Clamp
Antiskid Clamp
(Bend it)
Suspension Bolt
Support Angle
Nut
Suspension
Bolt
Suspension Bolt
(M10 or W3/8)
Suspension Bolt
(M10 or W3/8)
Suspension Bolt
(M10 or W3/8)
Suspension Bolt
(M10 or W3/8)
I Beam
 For Steel Beam

For Concrete Slab
(1) Hole-In Anchor
Wooden Bar
(60 to 90mm
(2-3/8 to 3-9/16 inch) Square)
Wooden
Beam
Square
Washer
Square
Washer
Nut
Nut

For Wooden Beam
Insert
100 to 150 kg
(220 to 331 lbs.)
Concrete
Steal
 For Reinforcing Steel
Inserting
Inserting
(with impulse rotation)
Resin Capsule
Stiffening
Agent
Glass
Stone
Epoxy Resin
(2) Resin Capsule
150 to 160mm
(5-7/8 to 6-5/16 inch)
Part APart B
Unit Body Use a hole saw
to make a hole.
Use a hole saw
to make a hole.
Fixing BoltFixing
Use a suspension bolt with 30 to 45o sloping edge.
Use the resin capsule within the warranty period.
Resin capsules deteriorate over time and should be used within
six mounths of the manufacturing date.
20oC
15oC
10oC
5oC
0oC
(68oF)
(59oF)
(50oF)
(41oF)
(32oF)
Min. 30min.
Min. 1hr.
Min. 2hr.
Min. 4hr.
Min. 8hr.
Ambient Temp.Time
After inserting, do not rotate or put any force until resin is hardened.
Required time is as shown in the table at right.
 Use a suspension bolt (W3/8, Metric screw thread: M10).

Prepare washer and nut.
NOTE:
Break a head portion
of anchor by using
a hammer.
4.3 SuspensionBolts
Step 1
(1) Selectafinallocationandinstallation
directionoftheSwitch Box.
Paycarefulattentiontothespaceforthe
piping,wiringandmaintenance.
(2) Mountsuspensionbolts.
(3) Mountthesuspensionboltsintheslotted
holeontheelectricalboxsideasshownin
Figure4.2.
(4) Contactaqualified contractororcarpenter
fortheceilingtreatment.
Step 2
Mountsuspensionbolts,asshowninFigure4.3.
Figure4.3MountingofSuspensionBolts
Figure4.2PositionofSuspensionBolts
6

Service Cover for
Electronic Expansion Valve
Electrical Box
Service Cover for
Electrical Box
(1)
(1)
(2)
(3)
(3)
(4)
(5)
(5)
(6)
A
(2) (6)
(6)
(7)
(7)
Edge Saddle Wire Clip
Edge Saddle
Electrical Box
Edge Saddle
Wire Clip *
Edge Saddle
Electrical Box
MVD1
MVS1
MVD1
MVS1
(Before Change)
(After Change)
4.4 Installation
4.4.1 ChangingtheLocationoftheElectricalBox
Dependingontheinstallationspace,changingthelocationoftheelectricalboxisavailable.
Whenchangingthelocationoftheelectricalbox,followtheproceduresbelow:
(1) Removetheservicecoverfortheelectricalbox.
(2) Removetheservicecoverfortheelectronicexpansionvalve.
(3) Removetheelectricalbox.
(4) Removethewiringfromthewireclipandedgesaddle,andmovetheelectricalbox.
Aftermovingtheelectricalbox,putthewiringintotheedgesaddleandboundwiththewireclip.
(Referto“EnlargedViewofA”below.)
(5) Mounttheelectricalbox.
(6) Rotatetheservicecoverfortheelectronicexpansionvalve180degreesandmountit.
(7) Mounttheservicecoverfortheelectricalbox.
* Makesurethatthewiringisboundwiththewireclips
inordertopreventtheelectricalboxfromentering
water.
EnlargedViewofA
7

8
30 to 50mm
(1-3/16 to
1-15/16 inch)
Suspension Bolt (M10 or W3/8)
(Field-Supplied)
Nut (Field-Supplied)
Double-Nut (Field-Supplied)
Washer (Field-Supplied)
Suspension Bracket
(Equipped with Switch
Box)
Washer (Field-Supplied)
Switch Box
Suspension Bolt
Suspension Bracket
Upper Side
Figure4.4Suspension
Bottom Side
Figure4.5HangingMethod
4.4.3 MountingandHangingtheSwitch Box
(1) Putnutsoneachofthetwosuspensionbolts
beforehangingtheSwitch Box,as
showninFigure4.4.
T Mountingwashersarerequiredinorder
toafxthesuspensionbrackettothe
suspensionbolt.
Field-SuppliedParts
* SuspensionBolt: 2-M10orW3/8
* Nut:
* Washer:
6-M10orW3/8
4-M10orW3/8
(2) HangingtheSwitch Box
(a)HangtheSwitch Boxbyputtinghandsonthe
bottomofthecabinet.
(b) Insertthesuspensionboltintothegroove
partofthesuspensionbracketasshown
inFigure4.5.Ensurethatthewashers
arecorrectlyafxedtothesuspension
bracket.
(c) Afterthehangingwork,thepipingand
wiringconnectionworkisrequiredinside
theceilinginthegapbetweentheroofand
ceilingsoitisnotvisible.Therefore,
determinethedrawingdirectionofthepipe
afterselectingtheinstallationlocationofthe
Switch Box.Beforedoingthehanging
work,carryoutthepipingandwiringwork
uptotheconnectingpositions.
(d) KeeptheSwitch Boxleveltotheceiling
surface.IftheSwitch Boxisnotlevel,a
malfunctionmayoccur.
(e) Tightenthenutsofthesuspension
boltwiththesuspensionbracketafter
adjustmentiscompleted.
Adhesivemustbeappliedtothenutsin
ordertopreventthemfromloosening.
4.4.2 MarkingofthePositionsoftheSuspension
BoltsandWiringConnections
(1) Markthepositionsofthesuspensionbolts,
refrigerantpipingconnectionsandwiring
connection.
(2) Installationdimensionsareshownin
Figure2.1.