Hisense HCHM-N04X User manual

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M00124Q版本号： V01
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是否彩色印刷 否
100g双胶纸 70g双胶纸
刘峻杉
曹培春
陶友淘
赵连池
2017.12.25
2017.12.26
2017.12.26
2018.01.16
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 P14、P23
BZ/KF-1901-171 2019.1.29 薛杰

Models:
HCHM-N04X
HCHM-N08X
HCHM-N12X
HCHM-N16X
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.
1097069
ORIGINAL INSTRUCTIONS
M00124Q

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confirm
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fire
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flammable 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.
i

SAFETY SUMMARY
SignalWords
●Signalwordsareusedtoidentifylevelsofhazardseriousness.
Definitions 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filed 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.
ii

● 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fire
●Usethespecifiednon-flammable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,flammable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’s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significantleakage,itcancausedifficulty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(fluorocarbonforthisunitisincombustible,non-toxicandodorless.
Howeveriftherefrigerantisleakedandcomesincontactwithfiretoxicgaswillgenerate.
Becausefluorocarbon isheavierthanair,thefloosurfacewillbefilled 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fire ifitisnotused.
DANGER
SAFETY SUMMARY
iii

SAFETY SUMMARY
WARNING
●Donotuseanysprayssuchasinsecticide,lacquer,hairsprayorotherflammable 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flammable 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fire.
●Tightentheflare nutwithatorquewrenchinthespecifi dmanner.Donotapplyexcessiveforcetothe
flare nutwhentightening.Ifyoudo,theflare 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specifiedcablesbetweenunits.
●Besuretoinstallcircuitbreakers(groundfaultinterrupter,isolatingswitch,moldedcasecircuitbreaker
andsoon),withthespecified capacity.Ensurethatthewiringterminalsaretightenedsecurelyto
recommendedtorquespecifications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five 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fits securelyontheelectricalboxwithoutanygaps.Securethe
cover withscrews.
iv

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field 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
v
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.

TABLE OF CONTENTS
1. SafetySummary.............................................................................................................................................1
2. Structure.........................................................................................................................................................1
2.1 Dimensions.............................................................................................................................................1
2.2 RefrigerationCycle.................................................................................................................................4
2.3 NecessaryToolsandInstrumentListforInstallation..............................................................................5
3. TransportationandHandling...........................................................................................................................6
3.1 Transportation........................................................................................................................................6
3.2 HandlingofSwitch Box...........................................................................................................................6
3.3 CombinationofSwitch BoxandIndoorUnit...........................................................................................6
4. Switch BoxInstallation....................................................................................................................................7
4.1 Factory-SuppliedAccessories................................................................................................................7
4.2 InitialCheck............................................................................................................................................8
4.3 SuspensionBolts....................................................................................................................................9
4.4 Installation............................................................................................................................................10
4.4.1 MarkingofthePositionsoftheSuspensionBoltsandWiringConnections...............................10
4.4.2 MountingandHangingtheSwitch Box.......................................................................................10
5. RefrigerantPipingWork................................................................................................................................ 11
5.1 RefrigerantPiping................................................................................................................................. 11
5.2 RefrigerantPipingWork.......................................................................................................................13
6. ElectricalWiring............................................................................................................................................21
6.1 GeneralCheck.....................................................................................................................................21
6.2 ElectricalWiringConnection................................................................................................................22
6.3 ElectricalWiring....................................................................................................................................24
6.4 SettingofDIPSwitches........................................................................................................................25
7. TestRun........................................................................................................................................................26
8. SafetyandControlDeviceSetting................................................................................................................27
vi

BADC
Outdoor Unit Connecting Side
Indoor Unit Connecting Side
(For Suspension Bolt)
34020
25630
60
155
67
67
352
551
260
Electrical Box
110
198
199
86
34
17635
Control Wiring Connection
(˜26)
Refrigerant Liquid Pipe
Connections
(4 x ˜9.52 Flare Nuts)
Refrigerant Gas Pipe
Connection
(4 x ˜15.88 Flare Nuts)
Power Supply Wiring
Connection (˜26)
Ground Terminal (M5)
(in Electrical Box)
60 x 3 = 180
38 30338
Refrigerant Gas
(High/Low Pressure)
Pipe Connection
(I.D. ˜22.36)
540
Suspension Bracket
4 - (12 x 32) Slotted Hole
42
60
156
50
180
244
60
(For Suspension Bolt)
Refrigerant Gas
(Low Pressure)
Pipe Connection
(I.D. ˜25.6)
Refrigerant Liquid
Pipe Connection
(I.D. ˜12.9)
P
View from P
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.
Figure2.1DimensionsofSwitch Box
2. Structure
2.1 Dimensions
HCHM-N04X Unit:mm
Specification
Model HCHM-N04X
PowerSupply
220-240V～50Hz
220V～ 60Hz
Input(W) 11.2
Refrigerant R410A
NetWeight(kg) 14
ConnectableIndoorUnit
TotalCapacity
16.0HPorless
ConnectableIndoorUnit
TotalCapacityperBranch
6.0HPorless
(Max.16.0kW)
NumberofConnectable
IndoorUnitperBranch
1to6
Do not install the Switch Box and
cable within approximately 3m (10 ft)
from strong electromagnetic wave
radiators such as medical equipment.
1

HCHM-N08X
HCHM-N12X
Figure2.2DimensionsofSwitch Box
Unit:mm
EFGHCDBA
60
156
67
60 580
25630
20
110
198
67
352
551
260
199
86 38 543
780
24017635
34
50
244
180
60
156
42
38
Outdoor Unit Connecting Side
Indoor Unit Connecting Side
(For Suspension Bolt)
Electrical Box
Control Wiring Connection
(2 x ˜26)
Refrigerant Liquid Pipe
Connections
(8 x ˜9.52 Flare Nuts)
Refrigerant Gas
Pipe Connection
(8 x ˜15.88
Flare Nuts)
Power Supply Wiring
Connection (˜26)
Ground Terminal (M5)
(in Electrical Box)
60 x 7 = 420
Refrigerant Gas
(High/Low Pressure)
Pipe Connection
(I.D. ˜22.36)
Suspension Bracket
4 - (12 x 32) Slotted Hole
(For Suspension Bolt)
Refrigerant Gas
(Low Pressure)
Pipe Connection
(I.D. ˜28.75)
Refrigerant Liquid
Pipe Connection
(I.D. ˜12.9)
P
View from P
DCBAEFGHIJKL
60
156
60
67
82020
25630
110
198
38 78338
1020
50
180
244
42
60
156
34
35 176240 240
67
352
551
260
199
86
Outdoor Unit Connecting Side
Indoor Unit Connecting Side
(For Suspension Bolt)
Electrical Box
Control Wiring Connection
(3 x ˜26)
Refrigerant Liquid Pipe Connections
(12 x ˜9.52 Flare Nuts)
Refrigerant Gas Pipe Connection
(12 x ˜15.88 Flare Nuts)
Power Supply Wiring
Connection (˜26)
Ground Terminal (M5)
(in Electrical Box)
60 x 11 = 660
Refrigerant Gas
(High/Low Pressure)
Pipe Connection
(I.D. ˜25.6)
Suspension Bracket
4 - (12 x 32) Slotted Hole
(For Suspension Bolt)
Refrigerant Gas
(Low Pressure)
Pipe Connection
(I.D. ˜28.75)
Refrigerant Liquid
Pipe Connection
(I.D. ˜16.1)
P
View from P
Specification
Model HCHM-N12X
PowerSupply
220-240V～50Hz
220V～ 60Hz
Input(W) 33.6
Refrigerant R410A
NetWeight(kg) 36
ConnectableIndoorUnit
TotalCapacity
30.0HPorless
ConnectableIndoorUnit
TotalCapacityperBranch
6.0HPorless
(Max.16.0kW)
NumberofConnectable
IndoorUnitperBranch
1to6
Specification
Model HCHM-N08X
PowerSupply
220-240V～50Hz
220V～ 60Hz
Input(W) 22.4
Refrigerant R410A
NetWeight(kg) 25
ConnectableIndoorUnit
TotalCapacity
30.0HPorless
ConnectableIndoorUnit
TotalCapacityperBranch
6.0HPorless
(Max.16.0kW)
NumberofConnectable
IndoorUnitperBranch
1to6
2

HCHM-N16X
Unit:mm
Figure2.3DimensionsofSwitch Box
DCBAEFGHIJKLMNOP
50
180
244
42
60
156
256 30
106020
198
110
38 1023 38
1260
35 176 240 240 240
34
67
352
551
260
199
86
156
60
67 900
60
Outdoor Unit Connecting Side
Indoor Unit Connecting Side
(For Suspension Bolt)
Electrical Box
Control Wiring Connection
(4 x ˜26)
Refrigerant Liquid Pipe Connections
(16 x ˜9.52 Flare Nuts)
Refrigerant Gas Pipe Connection
(16 x ˜15.88 Flare Nuts)
Power Supply Wiring
Connection (˜26)
Ground Terminal (M5)
(in Electrical Box)
Refrigerant Gas
(High/Low Pressure)
Pipe Connection
(I.D. ˜28.75)
Suspension Bracket
4 - (12 x 32) Slotted Hole
(For Suspension Bolt)
Refrigerant Gas
(Low Pressure)
Pipe Connection
(I.D. ˜32)
Refrigerant Liquid
Pipe Connection
(I.D. ˜19.3)
P
View from P
Specification
Model HCHM-N16X
PowerSupply
220-240V～50Hz
220V～ 60Hz
Input(W) 44.8
Refrigerant R410A
NetWeight(kg) 47
ConnectableIndoorUnit
TotalCapacity
30.0HPorless
ConnectableIndoorUnit
TotalCapacityperBranch
6.0HPorless
(Max.16.0kW)
NumberofConnectable
IndoorUnitperBranch
1to6
3

Unit D
L
GG
L
G
L
G
L
Unit C Unit B Unit A
SSSS
SS
<MVD4> <MVS4> <MVD3> <MVS3> <MVD2> <MVS2> <MVD1> <MVS1>
L
G (High/Low Pressure)
G (Low Pressure)
Unit H
SSSSSSSS
SS
G (High/Low Pressure)
G (Low Pressure)
L
<MVS1> <MVD1> <MVS2> <MVD2> <MVS3> <MVD3> <MVS4> <MVD4> <MVS1> <MVD1> <MVS2> <MVD2> <MVS3> <MVD3> <MVS4> <MVD4>
L
G
Unit G
L
G
Unit F
L
G
Unit E
L
G
Unit D
L
G
Unit C
L
G
Unit B
L
G
Unit A
L
G
To Indoor Unit Side
To Indoor Unit Side To Indoor Unit Side
To Outdoor Unit Side
To Outdoor Unit Side
HCHM-N04X
HCHM-N12X
HCHM-N08X
To Outdoor Unit Side
S
S
S
Unit L Unit K Unit J Unit I Unit H Unit G Unit F Unit E Unit D Unit C Unit B Unit A
SSSSSSSSSSS
G (High/Low Pressure)
G (Low Pressure)
L
L
G
<MVS1> <MVD1> <MVS2> <MVD2> <MVS3> <MVD3> <MVS4> <MVD4> <MVS1> <MVD1> <MVS2> <MVD2> <MVS3> <MVD3> <MVS4> <MVD4> <MVS1> <MVD1> <MVS2> <MVD2> <MVS3> <MVD3> <MVS4> <MVD4>
L
G
L
G
L
G
L
G
L
G
L
G
L
G
L
G
L
G
L
G
L
G
2
1
2
1
12
1
2
2
1
2
: Refrigerant Gas Pipe Connection
: Refrigerant Liquid Pipe Connection
: Field Refrigerant Piping
: Flare Connection
: Brazing Connection
: Switch Box
G
L
Mark PartName
1ElectronicExpansionValve
2Strainer
2.2 RefrigerationCycle
Figure2.4RefrigerationCycleDiagram
4

G (Low Pressure)
G (High/Low Pressure)
LOutdoor Unit Side
Unit P Unit K Unit J Unit I Unit H Unit G Unit F Unit E Unit D Unit C Unit B Unit AUnit LUnit MUnit NUnit O
<MVD2> <MVS3> <MVD3> <MVS4> <MVD4> <MVS1> <MVD1> <MVS2> <MVD2> <MVS3> <MVD3> <MVS4> <MVD4> <MVD2> <MVS3> <MVD3> <MVS4> <MVD4> <MVS1> <MVD1> <MVS3> <MVD3> <MVS4> <MVD4> <MVS1> <MVD1> <MVS2> <MVD1> <MVS2> <MVD2> <MVS1>
2
2
SSSSSSSSSSSSSSSS
SS
1
<MVS2>
LLLL LLLLLLLLLL
LL
GGGGGGGGGGGGGG
GG
Indoor Unit Side
HCHM-N16X
: Refrigerant Gas Pipe Connection
: Refrigerant Liquid Pipe Connection
: Field Refrigerant Piping
: Flare Connection
: Brazing Connection
: Switch Box
G
L
2.3 NecessaryToolsandInstrumentListforInstallation
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
NOTE:
Usetoolsandmeasuringinstruments(vacuumpump,refrigeranthose,chargingcylinder,andmanifold
gauge)exclusivelyfortherefrigerantR410A.
Mark PartName
1ElectronicExpansionValve
2Strainer
Figure2.5RefrigerationCycleDiagram
5

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 fire or failure, or something similar
may occur.
Do not put any material on the product.
Be careful not to damage insulation materials
of unit’s surface when lifting.
NOTES:
1. Exceedingthetotalcapacitymaycauseinsufficientperformanceandabnormalsound.Besureto
connecttheSwitch Boxwithintheallowabletotalcapacity.
2. Incaseof8HPor10HPtypeindoorunitconnection:
Onlysingleunitperbranchisallowedtobeconnected.
Uptotwo8HPor10HPtypeindoorunitscanbeconnectedtotheSwitch Boxwithinthe
“MaximumTotal CapacityofAllConnectedIndoorUnits”showninabovetable.
Makesuretoincreasethepipeconnectionsizebyusingtheappropriateaccessorypipe.
Model HCHM-N04X HCHM-N08X HCHM-N12X HCHM-N16X
NumberofBranches(forIndoorUnit) 4 8 12 16
SingleUnit
PerBranch
MaximumTotalCapacityof
AllConnectedIndoorUnits
16.0HPorless
(Max.44.8kW)
30.0HPorless
(Max.85.0kW)
30.0HPorless
(Max.85.0kW)
30.0HPorless
(Max.85.0kW)
MaximumTotalCapacityof
ConnectedIndoorUnitsPer
Branch
6.0HPorless
(Max.16.0kW)
6.0HPorless
(Max.16.0kW)
6.0HPorless
(Max.16.0kW)
6.0HPorless
(Max.16.0kW)
MultipleUnits
PerBranch
MaximumNumberof
ConnectedIndoorUnitsPer
Branch
6666
MaximumTotalCapacityof
AllConnectedIndoorUnits
16.0HPorless
(Max.44.8kW)
30.0HPorless
(Max.85.0kW)
30.0HPorless
(Max.85.0kW)
30.0HPorless
(Max.85.0kW)
MaximumTotalCapacityof
ConnectedIndoorUnitsPer
Branch
6.0HPorless
(Max.16.0kW)
6.0HPorless
(Max.16.0kW)
6.0HPorless
(Max.16.0kW)
6.0HPorless
(Max.16.0kW)
6

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 HCHM-N04X Q’ty HCHM-N08X Q’ty HCHM-N12X Q’ty HCHM-N16X Q’ty
(1)
Accessory
Pipe
f15.88(5/8)
IDf12.9(1/2)
Flaring
4
Flaring
8
Flaring
12
Flaring
16
(2) f9.52(3/8)
IDf6.5(1/4)
Flaring
4
Flaring
8
Flaring
12
Flaring
16
(3) f15.88(5/8)
IDf19.3(3/4)2222
(4) f15.88(5/8)
IDf22.2(7/8)1222
(5)
Insulation
Material
ID26
(ID1) 4 8 12 16
(6) ID35
(ID1-3/8) 4 8 12 16
(7) Clamp 17 34 51 68
7

Unit: mm
Service Space
Service Access Door 1 (*)
Electrical Box
( 450)
Service Access Door 3
Min. 300
Upper Side
Bottom Side
Min. A Min. 100
Min. 500
Min. 100
4-Suspension Bolt
M10 or W3/8
(Field-Supplied)
Service Access Door 2
( 450)
( 450)
100
50
* Service access door 1 is required for models
HCHM-N04X, HCHM-N08X, HCHM-N12Xand HCHM-N16X.
100
100
50
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
HCHM-N04X Min.100
HCHM-N08X
Min.400
HCHM-N12X
HCHM-N16X
PurposeofEachServiceAccessDoor
Name Purpose
ServiceAccess
Door1
Useduringinspectionofindoorunit
connectingside.
ServiceAccess
Door2
Useduringinspectionofindoorunit
connectingside.
ServiceAccess
Door3
Useduringinspectionofelectrical
componentsinsideelectricalbox.
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)
(B)
(C)
DonotinstalltheSwitch Boxwherethe
electromagneticwaveisdirectlyradiatedto
theelectricalboxorcommunicationcable.
●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.
●IncasetheSwitch Boxisrequiredtomovefrom
the ceiling,prepareanotherserviceaccessdoor.
InstalltheSwitch Boxandcomponentsas
far aspracticableoratleast3m(10ft)
fromthe electromagneticwaveradiator.
Installanoisefilterwhenthepowersupply
emitsharmfulnoises.
8

Unit: mm (inch)
View from above
(For Suspension Bolt)
A
(13/16)
20
(1-3/16)
30
256 (10-1/16)
For Suspension Bolt
198
(7-13/16)
(4-5/16)
110
Suspension Bracket
12 (4-1/2) x 32 (1-1/4)
Slotted Hole
4 x
Size
Model A
HCHM-N04X 340 (13-3/8)
HCHM-N08X 580 (22-13/16)
HCHM-N12X 820 (32-5/16)
HCHM-N16X 1060 (41-3/4)
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) 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
9

Suspension Bolt
(Field-Supplied)
Nut (Field-Supplied)
Washer with Insulation
(Field-Supplied)
Suspension Bracket
(Attached Indoor Unit)
Wa
sher (Field-Supplied)
Double-Nut
(Field-Supplied)
(1-3/16 to
1-15/16 inch)
30 to 50mm
Suspension Bolt
Suspension Bracket
(Four Places)
4.4 Installation
Figure4.4Suspension
Figure4.5HangingMethod
4.4.2 MountingandHangingtheSwitch Box
(1) Placenutsandwashersontothesuspension
boltsbeforeinstallingtheSwitch Box.
NOTE:
Makesuretousewashersforinstallingthe
suspensionboltstothesuspensionbrackets.
Installthewasherwiththeinsulationside
facingdownforsuspendedinstallation
applications.Thisway,thewashers
themselvesremaininpositiononthe
suspensionboltsduringtheinstallation
phase.
Field-SuppliedParts
* SuspensionBolt: 4-M10orW3/8
* Nut: 12-M10orW3/8
* Washer: 4-M10orW3/8
* WasherwithInsulation: 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)
(c)
Insertthesuspensionboltintothegroove
partofthesuspensionbracketasshown
inFigure4.5.Ensurethatthewashers
arecorrectlyaffixedtothesuspension
bracket.
(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.
4.4.1 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and2.2.
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.
10

When installing pipe through
the wall, secure a cap at the
end of the pipe.
Correct CorrectIncorrect Incorrect
Correct Incorrect
HoleHole
Attach a cap
or vinyl tape.
Attach a cap
or vinyl tape.
Attach a cap
or vinyl bag with
rubber band.
Do not place the pipe
directly on the ground.
Rain water can
enter.
1/64 ~ 1/32R
fA
fd
90o + 2o
45
o
+ 2
o
Use the specied non-ammable refrigerant
(R410A) for the outdoor unit in the refrigerant
cycle. Do not charge material other than
R410A into the unit such as hydrocarbon
refrigerants (propane or something similar),
oxygen, ammable gases (acetylene or etc.) or
poisonous gases when installing, maintaining
and moving. These ammables are extremely
dangerous and may cause an explosion, a re,
and injury.
●FlaringDimension
Performtheflaring workasshownbelow.
●JointSelection
Whenusing1/2Hmaterialandtheflaring work
isnotavailable.Inthisinstance,useajoint
selectedfromthechartbelow.
(T) Itisimpossibletoperformtheflaring
workwith1/2Hmaterial.Inthiscase,
useanaccessorypipe(withaflare)
5.1 RefrigerantPiping
●Cautions for Refrigerant Pipe Work (Example)
(1) Preparelocally-suppliedcopperpipes.
(2) Selectcleancoppertubesmakingsurethere
isnodustormoistureinsidethetubes.
Beforeconnectingpipes,blowtheinsideof
thetubeswithnitrogenordryair,toremove
anydustorforeignmaterials.
(3) Selectthepipingsizeasshowninthetables
below.Furthermore,checkfortheflar nut
andflaring dimensionaccordingtothe
followingfigure andtable.
5. Refrigerant Piping Work
NOTE:
Donotuseajointotherthanthosespecified
inthetableabove.
B
Flare Nut
MinimumThicknessofJoint mm(inch)
Diameter R410A
6.35 (1/4) 0.5 (0.020)
9.52 (3/8) 0.6 (0.024)
12.7 (1/2) 0.7 (0.028)
15.88 (5/8) 0.8 (0.031)
19.05 (3/4) 0.8 (0.031)
22.2 (7/8) 0.9 (0.035)
25.4 (1) 0.95 (0.037)
28.58 (1-1/8) 1.0 (0.039)
31.75 (1-1/4) 1.1 (0.043)
38.1 (1-1/2) 1.35 (0.053)
41.28 (1-5/8) 1.45 (0.057)
FlareNutDimensionBmm(inch)
Diameter R410A
6.35 (1/4) 17 (11/16)
9.52 (3/8) 22 (7/8)
12.7 (1/2) 26 (1)
15.88 (5/8) 29 (1-1/8)
19.05 (3/4) 36 (1-7/16)
mm(inch)
Diameter
(ɸd)
A+0
-0.4(-0.02)
R410A
6.35 (1/4) 9.1 (0.36)
9.52 (3/8) 13.2 (0.52)
12.7 (1/2) 16.6 (0.65)
15.88 (5/8) 19.7 (0.78)
19.05 (3/4) (T)
11