NEC RIH-6867 User manual
- Category
- Split-system air conditioners
- Type
- User manual
InverterSplitTypeRoomAirConditioner
UseandCareManual
Identificationofparts
Indoorunit
Outdoorunit
Operatinganddisplay
Remotecontroller
Operationinstructions
Operationmodes
Airflowdirectioncontrol
Smartmode
Timermode
Sleepmode
SafetyPrecautions
Preparationbeforeuse
Maintenance
Protection
Troubleshooting
Installationinstructions
Installationdiagramofairconditioner
Selecttheinstallationlocations
Indoorunitinstallation
Outdoorunitinstallation
Airpurging
Notes
2
1
3
3
7
8
9
10
11
12
5
4
13
14
16
17
20
15
21
22
Supermode
11
ThankyouverymuchforpurchasingaAirConditioner.
PleasereadthisUserandCareManualcarefullybeforeinstalling
andusingthisapplianceandkeepthismanualforfurturereference.
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Preparationbeforeuse
Note:
IftheairconditioneryoupurchasedisaCoolingOnlyone,butyoupresettheremotecontrollerasHeatPump,itwillnot
operate.ButiftheairconditioneryoupurchasedisaHeatPumpone,andyoupresettheremotecontrollerasCoolingOnly,
thenyouCANNOTpresettheHeatingoperationwiththeremotecontroller.
RemoteControllerpresetting
Beforeusingtheairconditioner,besuretocheckandpresetthefollowing.
AutoRestartPresetting
Theremotecontrollerispresettingcorrectlyforcoolingandreversecycle.NOT
Usercanpresettheremotecontrollertypedependingontheairconditionertypeyouhavepurchased
asfollows:
Eachtimeafterreplacingthebatteriesintheremotecontroller,theCoolingindicatorand
HeatingindicatorwillflashesalternatelyonLCDoftheremotecontroller.
Pressanybuttonwhenflashes,HeatPumpisset.
Pressanybuttonwhenflashes,CoolingOnlyisset.
Ifyoudon'tpressanybuttonwithin12seconds,theremotecontrollerispresettoHeatPumpautomatically.
Ifyouwantautorestartfunction,holddowntheEmergencybutton(ON/OFF)ontheindoorunitforover5
seconds,autorestartfunctionissetwithabuzzsound,airconditionerisonstandby.
Ifautorestarthasbeenset,holddowntheEmergencybutton(ON/OFF)ontheindoorunitforover5
seconds,autorestartfunctioniscanceledwithbuzzsound,airconditionerisonstandby.
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Safetyprecautions
SymbolsinthisUserManualareinterpretedasshownbelow.
Besurenottodo.
Payattentiontosuchasituation.
Groundingisessential.
Warning:Incorrecthandlingcould
causeaserioushazard,suchasdeath,
seriousinjury,etc.
2
Donotusethepowersupplycircuit
breakerorpullofftheplugtoturnitoff
duringoperation.Thismaycauseafire
duetospark,etc.
Usecorrectpowersupplyin
accordancewiththeratingplate
requirement.Otherwise,serious
faultsorhazardmayoccurora
firemaybebreakout.
Neverinsertastickorsimilarobstacle
totheunit.Sincethefanrotatesathigh
speed,thismaycauseaninjury.
Donotrepairtheappliancebyyourself.
Ifthisisdoneincorrectly,itmaycausean
electricshock,etc.
Turnofftheappliancebyremotecontrol
firstlybeforecuttingoffpowersupplyif
malfunctionoccurs.
Donotputanyobjectsontheoutdoor
unit.
OFF
ON
Preventtheairflowfromreachingthegas
burnersandstove.
Donottouchtheoperationbuttons
whenyourhandsarewet.
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Thefiguresinthismanualarebasedontheexternalviewofastandardmodel.
Consequently,theshapemaydifferfromthatoftheairconditioneryouhaveselected.
AirIntake
AirIntake
AirOutlet
AirOutlet
Louver
VerticalAdjustment
Louver
HorizontalAdjustment
AirFilter
RemoteController
ConnectionCord
PipesandPower
DrainHose
FrontPanel
EmergencyPanel
DisplayPanel
Note:Condensatewaterdrains
atCOOLINGorDRYoperation.
Identificationofparts
3
Indoorunit
Outdoorunit
Note:Thepipesandpowerconnectioncordwillbeprovidedorpurchasedbycustomer.
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Theshapeandpositionoftheswitchesandindicatorsmayvaryfromdifferentmodels,buttheirfunctionaresimilar.
Identificationofparts
4
UHseriesoperatingandDisplay
Itlightsupduringthe
settime.
.
Itlightsupwhen
compressorisrunning.
Itisonduringoperation.
Itflashesduring
defrosting.
TimerIndicator
Compressorindicator
RunIndicator
SleepIndicator
Itlightsupwhen
unitisinsleepmode.
Timer
Comp.
Run
Sleep
Temperaturedisplay
Displayactualroom
temperarure.
Displaysettemperature.
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Theremotecontrollertransmitssignalstothesystem.
Remotecontroller
SMART
SUPER
9
1
2
4
3
9
5
6
7
8
5
3
8
4
2
7
6
1
SUPERBUTTON
SWINGBUTTON
FANBUTTON
ROOMTEMPERATURE
SETTINGBUTTONS
SLEEPBUTTON
ON/OFFBUTTON
SMARTBUTTON
MODEBUTTON
TIMERSET/CANCELBUTTON
Remotecontroller
IndicationsymbolsonLCD:
Note:Eachmodeandrelevantfunctionwillbefurtherspecifiedinfollowingpages.
Seepage9"SmartMode"
fordetails)
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HowtoInserttheBatteries
HowtoUse
Removethebatterycoveraccordingtothearrowdirection.
Insertnewbatteriesmakingsurethatthe(+)and(-)of
batteryarematchedcorrectly.
Reattachthecoverbyslidingitbackintoposition.
Note:
Use2LR03AAA(1.5volt)batteries.Donotuserechargeablebatteries.
Replacebatterieswithnewonesofthesametypewhenthedisplay
becomesdim.oreffectiveresponce
StorageandTipsforUsingtheRemoteController
Theremotecontrollermaybestoredmountedonawallwithaholder.
Note:Theremotecontrollerholderisanoptionalpart.
6
Tooperatetheroomairconditioner,aim
theremotecontrollertothesignalreceptor.
Theremotecontrollerwilloperatetheair
conditioneratadistanceofupto7mwhen
pointingatsignalreceptorofindoorunit.
ChooseCoolingOnlyRemotecontrollerorHeatPump
Pleaserefertopage1"Preparationbeforeuse"fordetails.
Back-lightFunction(optional)
Remotecontrollerholder
Signalreceptor
Remotecontroller
Pleaserefertopage1"Preparationbeforeuse"fordetails.
Remotecontroller
Ifthereplacementisdonewithin1minute,theremotecontroller
willkeeporiginalpresetting.However,ifyouwanttochangethe
presettingfromHeatPumptoCoolOnlyorCoolOnlytoHeatPump,
youshouldreloadbatteries3minutesafterremovingtheoldones.
(Pleaserefertopage1fordetails.)
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SMART
SLEEP
SUPER
Eachtimebuttonispressed,theoperationmode
ischangedinsequence:
MODE
Eachtimethe"FAN"buttonispressed,thefanspeedis
changedinsequence:
18 ~32
HeatingmodeisNOTavailableforcoolingonlyairconditioner.
HEATINGCOOLING DRY FANONLY
Selectingmode
FANmode
2
+
-
Auto
High Medium
Low
At"FANONLY"mode,only"High","Medium"and"Low"areavailable.
At"DRY"mode,airflowissetat"Low"automatically,"FAN"button
isineffectiveinthiscase.
Settingtemperature
Pressoncetotemperaturesettingby1lower ℃
Pressoncetotemperaturesettingby1raise ℃
Rangeofavailablesettemperature
*HEATING,COOLING
DRY
FAN
unabletoset
roomtemperature
Turningon
SWING,SMART,TIMER,SLEEPandSUPERoperationmodeswillbespecifiedinthefollowingpages.
Pressbutton,whentheappliancereceivesthe
signal,theRUNindicatoroftheindoorunitlightsup.
Changingmodesduringoperation,sometimestheunitdoesnotresponseatonce.Wait3minutes.
Wait3minutesbeforerestartingtheappliance.
Duringheatingoperation,airflowisnotdischargedatthebeginning.After25minutes,theairflowwillbedischarged
untiltemperatureofindoorheatexchangerrises.
－
1
3
4
2
ONLY
Operationinstructions
7
Operationmodes
*Note:HeatingmodeisNOTavailableforcoolingonlymodels.
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5
Airflowdirectioncontrol
Verticalairflowisautomaticallyadjustedtoacertainangle
inaccordancewiththeoperationmodeafterturningontheunit.
Thedirectionofairflowcanbe
alsoadjustedtoyourown
requirementbypressingthe
"SWING"buttonofthe
remotecontroller.
OperationmodeDirectionofairflow
COOLING,DRY
*HEATING,
FANONLY
horizontal
downward
Verticalairflowcontrol(withtheremotecontroller)
Usingremotecontrollertosetvariousanglesoffloworspecificangle
asyoulike.
Swingingairflow
Pressing"SWING"buttononce,theverticaladjustment
louverwillswingupanddownautomatically.
Desireddirectionairflow
Pressingthe"SWING"buttonagainwhenthelouversswing
toasuitableangleasdesired.
Horizontalairflowcontrol(withhands)
Turningthecontrolrodsofthe
horizontaladjustmentlouversto
changehorizontalairflowasshown.
controlrodsofhorizontal
adjustmentlouvers
Note:Theshapeoftheunitmaylookdifferent
fromthatoftheairconditioneryouhaveselected.
Donotturntheverticaladjustmentlouversmanually,otherwisemalfunctionmayoccur.Ifthathappens,turnofftheunit
firstandcutoffthepowersupply,thenrestorepowersupplyagain.
ItisbetternottolettheverticaladjustmentlouvertiltdownwardforalongtimeatCOOLINGorDRYmodetoprevent
condensedwaterfromdripping.
Operationinstructions
8
*Heatingmodeisonlyavailableforheatpumpmodels.
Airflowdirectioncontrol
SMART
SLEEP
SUPER
5
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Indoortemperature
Indoortemperature
SMARTbuttonisineffectiveinSUPERmode.
Targettemperature
Targettemperature
21℃ orbelow
26℃ orbelow
22℃22℃
26℃
26℃
Over26℃
Over26℃
21℃℃-26
High
High
High
High
Low
Low
Low
Low
Yourfeeling
Adecreaseorincreaseupto2canbesetinSMARTmode℃
button
adjustmentprocedure
Operationmode
Operationmode
HEATING
DRY
DRY
Roomtemperature
decrease1.5℃ after
operatefor3minutes
Roomtemperature
decrease1.5℃ after
operatefor3minutes
COOLING
COOLING
Pressthebutton,theunitenterssmartmode(fuzzylogicoperation)directlyregardlessof
theunitisonoroff.Inthismode,temperatureandfanspeedareautomaticallysetbasedonthe
actualroomtemperature.
SMART
Ariseupto
2canbeset℃
Adecreaseup
to2canbeset℃
Uncomfortable
becauseof
unsuitableair
flowvolume.
Uncomfortable
becauseof
unsuitableflow
direction.
Pressoncetolowerthe
settempby1
Presstwicetolowerthe
settempby2
Indoorfanspeedalternatesamong
High,MediumandLoweachtimethis
buttonispressed.
Pressitonce,theverticaladjustment
louverswingstochangeverticalairflow
direction.Pressitagain,swingsstops.
Forhorizontalairflowdirection,please
refertothepreviouspagefordetails.
Pressoncetoraisethe
settempby1
Presstwicetoraisethe
settempby2.℃
Slightlywarmer
Slightlycooler
Operationmodeandtemperaturearedeterminedbyindoortemperature
Note:Temperature,airflowanddirectionarecontrolledautomaticallyinSMARTmode.
However,adecreaseorriseofupto2canbesetwiththeremotecontrollerifyoustill
feeluncomfortable.
℃
℃
℃
℃
Operationinstructions
9
SMART
SLEEP
SUPER
SMARTmode
Heatpumpmodels
Coolingonlymodels
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Timer-setting
Example:setanoperationafter9.5hours
Timermode
Itisconvenienttosetthetimeronwithbuttonwhenyougooutinthemorning
toachieveacomfortableroomtemperatureatthetimeyougethome.Youcanalsoset
timeroffatnighttoenjoyagoodsleep.
TIMER
Settingaswitch-on
timerwhenthe
applianceisoff.
Settingaswitch-offtimer
duringoperation.
Pressthebutton,"h"flashesontheLCD,thenyoucansetthetime.
Eachtimetheorbuttonispressed,
Ifthedesiredtimeiswithin10hours,thesettimeincreasesordecreasesby0.5hour;
Ifdesiredtimeisbeyond10hours,increasesordecreasesby1hour.
Therangecanbesetis0.5hourto24hours.
TIMER
Setdesiredoperatingmode,temperaturesettingandindoorfanspeedfirstly,
thenpressthebuttonand"h"flashesonLCD.TIMER
Pointtheremotecontrolatthesignalreceptoroftheindoorunit,
presstheorbuttonwhen"h"flashes.Choosethetimeryouwant,
thenpressthebutton.TIMER
A"beep"canbeheard.
Timerindicatorontheindoorunitlightsup.
"h"stopsflashing.
Tocancelthesettimer:pressthebuttonagain,a"beep"canbeheard
andthetimerindicatorontheindoorunit
TIMER
off.swithes
1
3
2
10
Operationinstructions
SMART
SLEEP
SUPER
1
2
2
Astimegoesby,LCDonremotecontrolleronlydisplaystheremainedtimeinsteadof
settemperature.
Theprevioussettimeisstoredandthenextsettimebeginswiththeprevioussetting.
On-timerandoff-timercannotbesetatthesametime.
Theroommaynotreachyourdesiredtemperaturewithinthepresettimebecauseof
differentsizeofroom.
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11
Operationinstructions
SMART
SLEEP
SUPER
SMART
SLEEP
SUPER
11
SLEEPmode
SUPERmode
SLEEPCOOLINGHEATINGmodecanbesetinoroperationmode.
Thisfunctiongivesyouamorecomfortableenvironmentforsleeping.
Theappliancewillstopoperationautomaticallyafteroperatingfor8hours.
Inmode,SLEEP
Fanspeedisautomaticallysetatlowspeed.
*Settemperaturewillriseby1iftheapplianceoperatesincooling℃ atmost
modefor2hoursconstantly,thenkeepssteady.
Settemperaturewilldecreaseby3℃atmostiftheapplianceoperatesin
heatingmodefor3hoursconstantly,thenkeepssteady.
*Note:Incoolingmode,ifroomtemperatureis26orabove,settemperature
willnotchange.
℃
Note:HeatingisNOTavailableforcoolingonlyairconditioner.
SUPERmodeisusedtostartorstopfastcooling.
SUPERmodecanbesetwhentheapplianceisinoperationorenergized.
Fastcoolingoperatesathighfanspeed,changingthesettemperature
automaticallyto18.
℃
InSUPERmode,youcansetairflowdirectionortimer.Ifyouwantto
escapefromSUPERmode,pressany-SUPER,MODE,FAN,ON/OFF
orTEMPERATURESETTINGbutton,thedisplaywillreturntotheoriginal
mode.
Note:
TheAppliancewillcontinueworkinginSUPERmodewithsettemperatureof18℃,if
youdon'tescapefromitbypressinganyofthebuttonsmentionedabove.
.
SLEEPandSMARTbuttonsarenotavailableinSUPERmode.
SUPERbuttonisineffectiveinHEATINGmode.
SLEEPmode
SUPERmode
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Turnofftheappliance
firstbeforedisconnecting
frompowersupply.
Itisnecessarytocleantheairfilter
afterusingitforabout100hours.
Cleanitasfollows:
Frontpanelmaintenance Airfiltermaintenance
Cutoffthepowersupply
Neverusevolatilesubstance
tocleantheappliance.
suchasgasolineorpolishing
powder
Cleanandreinstalltheairfilter.
Closethefrontpanelagain.
Wipewithasoft
anddrycloth.
Uselukewarmwater
(below40)toclean
iftheappliance
isverydirty.
℃
Neversprinklewaterontothe
indoorunit
Reinstallandshutthefrontpanel.
Reinstallandshutthefrontpanelby
pressingposition"b"downward.
Ifthedirtisconspicuous,
washitwithasolutionof
detergentinlukewarmwater.
Aftercleaning,drywellin
shade.
Cleantheairfiltereverytwoweeks
iftheairconditioneroperatesinan
extremelydustyenvironment.
Stoptheapplianceandremove
theairfilter.
1
2
3
1.Openthefrontpanel.
2.Pressthehandleofthefiltergently
fromthefront.
3.Graspthehandleandslideoutthefilter.
softclothto
cleanit.
Useadryand
Graspposition"a"and
pulloutwardtoremovethe
frontpanel.
a
a
b
b
12
Maintenance
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Noisepollution
Operatingcondition
Theprotectivedevicemaybetripandstop
theapplianceinthecaseslistedbelow.
HEATING
Outdoorairtemperatureisover24c
o
COOLING
DRY
Outdoorairtemperatureisbelow-7c
o
Roomtemperatureisover27c
o
Outdoorairtemperatureisover*50c
o
*ForTropical(T3)Climateconditionmodels,the
temperaturepointis52℃℃insteadof43.
Roomtemperatureisbelow21c
o
Roomtemperatureisbelow18c
o
Ifalloperationhasstopped,pressbuttonagaintorestart,Timershouldbesetagain
ifithasbeencanceled.
ON/OFF
Installtheairconditionerataplacethat
canbearitsweightinordertooperate
morequietly.
Installtheoutdoorunitataplacewhere
theairdischargedandtheoperationnoise
wouldnotannoyyourneighbors.
Donotplaceanyobstaclesinfrontofthe
airoutletoftheoutdoorunitlestitincreases
thenoiselevel.
FeaturesofHEATINGmode
Preheat
Defrost
Atthebeginningofoperation,theairflowfromindoorunitisdischarged2-5
minuteslater.
HEATING
Inoperationtheappliancewilldefrost(de-ice)automaticallytoraiseefficiency.
Thisprocedureusuallylasts2-10minutes.Duringdefrosting,fansstopoperation.
Afterdefrostingcompletes,itreturnstomodeautomatically.
HEATING
HEATING
13
Protection
Featuresofprotector
Theprotectivedevicewillworkatfollowingcases.
Restartingtheunitatonceafteroperationstopsorchangingmodeduringoperation,youneedto
wait3minutes.
Connecttopowersupplyandturnontheunitatonce,itmaystart20secondslater.
IftheairconditionerrunsinCOOLINGorDRYmodewith
doororwindowopenedforalongtimewhenrelative
humidityisabove80%,dewmaydripdownfromtheoutlet.
Note:HeatingisNOTavailableforcoolingonlyairconditionermodels.
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Trouble Analysis
Doesnotrun
Nocoolingor
heatingair
Ineffectivecontrol
Doesnotoperate
immediately
Peculiarodour
Asoundof
flowingwater
Crackingsoundis
heard
Spraymistfrom
theoutlet
Thecompressorindicator(red)lightsonconstantly,
andindoorfanstops.
Theunitisshiftingfromheatingmodetodefrost.
Theindicatorwilllightsoffwithintenminutesand
returnstoheatingmode.
Istheairfilterdirty?
Aretheintakesandoutletsoftheair
conditionerblocked？
Isthetemperaturesetproperly？
Itisnot
working
Iftheprotectortriporfuseisblown.
Iftheplugisnotproperlyplugged.
Ifbatteriesintheremotecontrollerexhausted.
Pleasewaitfor3minutesandstartagain,
protectordevicemaybepreventingunittowork.
.
Thefollowingcasesmaynotalwaysbeamalfunction,pleasecheckitbeforeaskingforservice.
Ifstronginterference(fromexcessivestatic
electricitydischarge,powersupplyvoltage
abnormality)presents,operationwillbe
abnormal.Atthistime,disconnectfromthe
powersupplyandconnectback2-3secondslater.
Changingmodeduringoperation,3minutes
willdelay.
Thisodourmaycomefromanothersource
suchasfurniture,cigaretteetc,whichis
suckedintheunitandblowsoutwiththeair.
Causedbytheflowofrefrigerantinthe
airconditioner,notatrouble.
Defrostingsoundinheatingmode.
Thesoundmaybegeneratedbytheexpansion
orcontractionofthefrontpanelduetochange
oftemperature.
Mistappearswhentheroomairbecomes
verycoldbecauseofcoolairdischarged
fromindoorunitduringor
operationmode.
COOLINGDRY
14
Troubleshooting
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Distancefromceiling
Distancefromwall
shouldbeover50mm
Distancefromthewall
Distancefromfloor
Airintakedistancefrom
thewallshouldbe
over250mm
Airintakedistancefromthewall
over250mm
shouldbeover50mm
shouldbeover50mm
shouldbeover2000mm
shouldbeover250mm
Installationmustbeperformedinaccordancewith
thenationalwiringstandardsbyauthorizedpersonnelonly.
Abovefigureisonlyasimplepresentation
oftheunit,itmaynotmatchtheexternal
appearanceoftheunityoupurchased.
15
Installationinstructions
Installationdiagram
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Outdoorunit
Outdoorunit
Indoorunit
Indoorunit
Pipelengthis
15metersMax.
Pipelengthis
15metersMax.
16
Installationinstructions
LocationforInstallingOutdoorUnit
Whereitisconvenienttoinstallandwellventilated.
Avoidinstallingitwhereflammablegascouldleak.
Keeptherequireddistanceapartfromthewall.
ThedistancebetweenIndoorandoutdoorunitshould
be5metersandcangouptomaximum15meters
withadditionalrefrigerantcharge.
Keeptheoutdoorunitawayfromaplaceofgreasydirt,
vulcanizationgasexit.
Avoidinstallingitattheroadsidewherethereisariskof
muddywater.
Afixedbasewhereisnotsubjecttoincreasingoperation
noise.
Wherethereisnotanyblockageforairoutlet.
LocationforInstallingIndoorUnit
Wherethereisnoobstacleneartheairoutletandaircanbe
easilyblowntoeverycorner.
Wherepipingandwallholecanbeeasilyarranged.
Keeptherequiredspacefromtheunittotheceilingandwall
accordingtotheinstallationdiagramonpreviouspage.
Wheretheairfiltercanbeeasilyremoved.
Keeptheunitandremotecontroller1mormoreapartfrom
television,radioetc.
Topreventtheeffectsofafluorescentlamps,keepasfaras
possible.
Donotputanythingneartheairinlettoobstructitfromair
absorption.
Wherethereisstrongenoughtobeartheweight
andisnottendtoincreaseoperationnoiseandvibration.
Model
24K
5 15 5 20
Max.AllowableTubing
LengthatShipment(m)
LimitofTubing
Length(m)
LimitofElevation
DifferenceH(m)
Requiredamountof
additionalrefrigerant(g/m)
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Pipingdirection
1
2
3
4
trough
Note:Wheninstallingthepipeatthedirections
1,2or4,sawthecorrespondingunloadingpiece
offtheindoorunitbase.
Unloading
piece
Sawtheunloadingpiece
offalongthetrough
Putthepiping(liquidandgaspipe)andcablesthroughthewallholefromoutsideorputthemthrough
frominsideafterindoorpipingandcablesconnectioncompletesoastoconnecttooutdoorunit.
Decidewhethersawtheunloadingpieceoffinaccordancewiththepipingdirection.(asshownbelow)
3.IndoorUnitPipingInstallation
17
Installationinstructions
Note:Theshapeofyourmountingplatemaybedifferentfromtheoneabove,butinstallationmethodissimilar.
Wallholesleeve
(hardpolythenetube
preparedbyuser)
5mm
(tiltdownward)
Installasleevethroughthewallholetokeepthewall
tidyandclean.
Drillaholeonthewall.Theholeshouldtiltalittle
downwardtowardoutside.
Decidethepositionofholeforpipingaccordingtothe
locationofmountingplate.
2.DrillaHoleforPiping
.Keepthemountingplatehorizontallywithahorizontalrulerordroppingline.
Drillholesof32mmindepthonthewallforfixingtheplate.
Inserttheplasticplugstothehole,fixthemountingplatewithtappingscrews.
Inspectifthemountingplateiswellfixed.Thendrillaholeforpiping.
1.InstallingtheMountingPlate
Decideaninstallinglocationforthemountingplateaccordingtotheindoorunitlocationandpipingdirection.
Droppingline
holesforfixing
Mountingplate
Hookthelinehere
Linedropsfromhere
Indoorunitinstallation
Afterconnectingpipingasrequired,installthedrainhose.Thenconnectthepowercords.Afterconnecting,
wrapthepiping,cordsanddrainhosetogetherwiththermalinsulationmaterials.
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Installationinstructions
PipingJointsThermalInsulation:
Wrapthepipingjointswiththermal
insulationmaterialsandthenwrap
withavinyltape.
PipingThermalInsulation:
a.Placethedrainhoseunderthepiping.
b.Insulationmaterialusespolythenefoamover6mminthickness.
Note:Drainhoseispreparedbyuser.
Drainpipeshouldpointdownwardforeasydrainflow.
Donotarrangethedrainpipetwisted,stickingoutorwave
around,donotimmersetheendofitinwater.
Ifanextensiondrainhoseisconnectedtothedrainpipe,make
suretothermalinsulatedwhenpassingalongtheindoorunit.
Whenthepipingisdirectedtotheright,piping,power
Cordanddrainpipeshouldbethermalinsulatedand
fixedontothebackoftheunitwithapipingfixer.
Thermalinsulation
wrappedwithvinyltype
Small
pipe
Largepipe
Thermalinsulation
tube
Powerconnectingcord
Drainhose
(preparedbyuser)
A.Insertthepipefixertotheslot.
B.Presstohookthepipefixerontothebase.
Base
Base
Base
Pipingfixer
Pipingfixer
Hookhere
Inserthere
drain
hose
drain
hose
large
pipe
large
pipe
small
pipe
small
pipe
b.Pre-tightenthemwithfingersatfirst,thenusethewrenches.
a.Connectindoorunitpipeswithtwowrenches.Payspecialattention
totheallowedtorqueasshownbelowtopreventthepipes,connectors
andflarenutsfrombeingdeformedanddamaged.
PipingConnection:
PipesizeModel
24K
24K
0.6mm
0.6mm
22mm
27mm
3.5kg.m
7.5kg.m
LiquidSide(3/8inch)
GasSide(5/8inch)
Torque Nutwidth
Min.thickness
18
Note:Theconnectionpipewillbeprovidedorpurchasedbycustomer.
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NEC RIH-6867 User manual
- Category
- Split-system air conditioners
- Type
- User manual
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