Samsung AC018TXRFCC/SU Installation guide

Category
Split-system air conditioners
Type
Installation guide

This manual is also suitable for

Air conditioner
Installation manual
AC∗∗∗TXRFCC
ꞏ
ThankyouforpurchasingthisSamsungairconditioner.
ꞏ
Beforeoperatingthisunit,pleasereadthismanualcarefullyandretainitforfuturereference.
DB68-08732A-00
2
English
Contents
Safety Information 3
Generalinformation 3
Installingtheunit 4
Powersupplyline,fuseorcircuitbreaker 4
Installation Procedure 5
Step1Choosingtheinstallationlocation 5
Step2Fixingtheoutdoorunitinplace 7
Step3Connectingthepowercables,communicationcable,andcontrollers 8
Step4Optional:Extendingthepowercable 13
Step5Connectingtherefrigerantpipe 14
Step6Optional:Cuttingandflaringthepipes 15
Step7Connectingupandremovingairinthecircuit 16
Step8Addingrefrigerant(R-410A) 17
Step9Performingthegasleaktest 17
Step10Insulatingtherefrigerantpipes 18
Step11Checkingtheearthing 18
Step12SettingUpOptionSwitches 19
Extra procedures 22
Pumpingdownrefrigerant 22
Relocatingtheindoorandoutdoorunits 22
Usingthestopvalve 23
Appendix 24
Troubleshooting 24
Packingandunpackingguide 25
Productspecification 27
3
English
Safety Information
WARNING
ꞏ
Hazardsorunsafepracticesthatmayresultinsevere
personalinjuryordeath.
CAUTION
ꞏ
Hazardsorunsafepracticesthatmayresultinminor
personalinjuryorpropertydamage.
Carefullyfollowtheprecautionslistedbelowbecausethey
areessentialtoguaranteethesafetyoftheequipment.
WARNING
ꞏ
Alwaysdisconnecttheairconditionerfromthepower
supplybeforeservicingitoraccessingitsinternal
components.
ꞏ
Verifythatinstallationandtestingoperationsare
performedbyqualifiedpersonnel.
ꞏ
Verifythattheairconditionerisnotinstalledinaneasily
accessiblearea.
General information
WARNING
ꞏ
Carefullyreadthecontentofthismanualbefore
installingtheairconditionerandstorethemanualina
safeplaceinordertobeabletouseitasreferenceafter
installation.
ꞏ
Formaximumsafety,installersshouldalwayscarefully
readthefollowingwarnings.
ꞏ
Storetheoperationandinstallationmanualinasafe
locationandremembertohanditovertothenewowner
iftheairconditionerissoldortransferred.
ꞏ
Thismanualexplainshowtoinstallanindoorunit
withasplitsystemwithtwoSAMSUNGunits.Theuse
ofothertypesofunitswithdifferentcontrolsystems
maydamagetheunitsandinvalidatethewarranty.The
manufacturershallnotberesponsiblefordamages
arisingfromtheuseofnoncompliantunits.
ꞏ
Themanufacturershallnotberesponsiblefordamage
originatingfromunauthorizedchangesortheimproper
connectionofelectricandrequirementssetforthinthe
“Operatinglimits”table,includedinthemanual,shall
immediatelyinvalidatethewarranty.
ꞏ
Theairconditionershouldbeusedonlyforthe
applicationsforwhichithasbeendesigned:theindoor
unitisnotsuitabletobeinstalledinareasusedfor
laundry.
ꞏ
Donotusetheunitsifdamaged.Ifproblemsoccur,
switchtheunitoffanddisconnectitfromthepower
supply.
ꞏ
Inordertopreventelectricshocks,firesorinjuries,
alwaysstoptheunit,disabletheprotectionswitch
andcontactSAMSUNG’stechnicalsupportiftheunit
producessmoke,ifthepowercableishotordamagedor
iftheunitisverynoisy.
ꞏ
Alwaysremembertoinspecttheunit,electric
connections,refrigeranttubesandprotectionsregularly.
Theseoperationsshouldbeperformedbyqualified
personnelonly.
ꞏ
Theunitcontainsmovingparts,whichshouldalwaysbe
keptoutofthereachofchildren.
ꞏ
Donotattempttorepair,move,alterorreinstallthe
unit.Ifperformedbyunauthorizedpersonnel,these
operationsmaycauseelectricshocksorfires.
ꞏ
Donotplacecontainerswithliquidsorotherobjectson
theunit.
ꞏ
Allthematerialsusedforthemanufactureand
packagingoftheairconditionerarerecyclable.
ꞏ
Thepackingmaterialandexhaustbatteriesofthe
remotecontroller(optional)mustbedisposedofin
accordancewithcurrentlaws.
ꞏ
Theairconditionercontainsarefrigerantthathastobe
disposedofasspecialwaste.Attheendofitslifecycle,
theairconditionermustbedisposedofinauthorized
centresorreturnedtotheretailersothatitcanbe
disposedofcorrectlyandsafely.
ꞏ
Thisapplianceisnotintendedforusebypersons
(includingchildren)withreducedphysical,sensoryor
mentalcapabilities,orlackofexperienceandknowledge,
unlesstheyhavebeengivensupervisionorinstruction
concerninguseoftheappliancebyapersonresponsible
fortheirsafety.Childrenshouldbesupervisedtoensure
thattheydonotplaywiththeappliance.
Safety Information
Safety Information
4
Safety Information
English
Safety Information
Installing the unit
WARNING
IMPORTANT: When installing the unit, always remember to
connect first the refrigerant tubes, then the electrical lines.
ꞏ
Uponreceipt,inspecttheproducttoverifythatithasnot
beendamagedduringtransport.Iftheproductappears
damaged,DONOTINSTALLitandimmediatelyreportthe
damagetothecarrierorretailer(iftheinstallerorthe
authorizedtechnicianhascollectedthematerialfrom
theretailer.)
ꞏ
Aftercompletingtheinstallation,alwayscarryouta
functionaltestandprovidetheinstructionsonhowto
operatetheairconditionertotheuser.
ꞏ
Donotusetheairconditionerinenvironmentswith
hazardoussubstancesorclosetoequipmentthatrelease
freeflamestoavoidtheoccurrenceoffires,explosions
orinjuries.
ꞏ
Ourunitsshouldbeinstalledincompliancewiththe
spacesshownintheinstallationmanual,toensure
accessibilityfrombothsidesandallowrepairsor
maintenanceoperationstobecarriedout.The
unit’scomponentsshouldbeaccessibleandeasyto
disassemblewithoutendangeringpeopleandobjects.
ꞏ
Forthisreason,whenprovisionsoftheinstallation
manualarenotcompliedwith,thecostrequiredto
accessandrepairtheunits(inSAFETYCONDITIONS,as
setoutinprevailingregulations)withharnesses,ladders,
scaffoldingoranyotherelevationsystemwillNOTbe
consideredpartofthewarrantyandwillbechargedto
theendcustomer.
Power supply line, fuse or circuit breaker
WARNING
ꞏ
Alwaysmakesurethatthepowersupplyiscompliant
withcurrentsafetystandards.Alwaysinstalltheair
conditionerincompliancewithcurrentlocalsafety
standards.
ꞏ
Alwaysverifythatasuitableearthingconnectionis
available.
ꞏ
Verifythatthevoltageandfrequencyofthepowersupply
complywiththespecificationsandthattheinstalled
powerissufficienttoensuretheoperationofanyother
domesticapplianceconnectedtothesameelectriclines.
ꞏ
Alwaysverifythatthecut-offandprotectionswitchesare
suitablydimensioned.
ꞏ
Verifythattheairconditionerisconnectedtothepower
supplyinaccordancewiththeinstructionsprovidedin
thewiringdiagramincludedinthemanual.
ꞏ
Alwaysverifythatelectricconnections(cableentry,
sectionofleads,protections…)arecompliantwiththe
electricspecificationsandwiththeinstructionsprovided
inthewiringscheme.Alwaysverifythatallconnections
complywiththestandardsapplicabletotheinstallation
ofairconditioners.
ꞏ
Devicesdisconnectedfromthepowersupplyshouldbe
completelydisconnectedintheconditionofovervoltage
category.
ꞏ
Besurenottoperformpowercablemodification,
extensionwiring,andmultiplewireconnection.
Itmaycauseelectricshockorfiredueto
poorconnection,poorinsulation,orcurrentlimit
override.
Whenextensionwiringisrequiredduetopowerline
damage,referto"Step4Optional:Extendingthe
powercable"intheinstallationmanual.
5
English
Installation Procedure
Installation Procedure
Installation Procedure
Step 1 Choosing the installation location
Installation location requirements
ꞏ
Donotplacetheoutdoorunitonitssideorupsidedown.
Failingtodosomaycausethecompressorlubrication
oiltorunintothecoolingcircuitandleadtoaserious
damagetotheunit.
ꞏ
Installtheunitinawell-ventilatedlocationawayfrom
directsunlightorstrongwinds.
ꞏ
Installtheunitinalocationthatwouldnotobstructany
passagewaysorthoroughfares.
ꞏ
Installtheunitinalocationthatwouldnotinconvenience
ordisturbyourneighbors,astheycouldbeaffectedby
thenoiseortheairflowcomingfromtheunit.
ꞏ
Installtheunitinalocationwherethepipesandthe
cablescanbeeasilyconnectedtotheindoorunit.
ꞏ
Installtheunitonaflat,stablesurfacethatcan
withstandtheweightoftheunit.Otherwise,theunitcan
generatenoiseandvibrationduringoperation.
ꞏ
Installtheunitsothattheairflowisdirectedtowardsthe
openarea.
ꞏ
Maintainsufficientclearancearoundtheoutdoorunit,
especiallyfromaradio,computer,stereosystem,etc.
Fuse
Remote control sensor
1 m or more
1 m or more
1.5 m or more
1.5 m or more
Stereo
Computer etc
Outdoor Unit
200 mm
Air Guide Duct (This product is not provided by Samsung)
Indoor Unit
300 mm
ꞏ
Installtheunitataheightwhereitsbasecanbefirmly
fixedinplace.
ꞏ
Makesurethatthewaterdrippingfromthedrainhose
runsawaycorrectlyandsafely.
CAUTION
ꞏ
Youhavejustpurchasedasystemairconditionerand
ithasbeeninstalledbyyourinstallationspecialist.
ꞏ
Thisdevicemustbeinstalledaccordingtothe
nationalelectricalrules.
ꞏ
Ifyouroutdoorunitexceedsanetweightof60kg,do
notinstallitonasuspendedwall,butstanditona
floor.
ꞏ
Wheninstallingtheoutdoorunitattheseaside,make
surethatitisnotdirectlyexposedtoseabreeze.Ifyou
cannotfindanadequateplacefreefromdirectsea
breeze,constructaprotectionwalloraprotectivefence.
Installtheoutdoorunitinaplace(suchasnear
buildingsetc.)whereitcanbepreventedfromsea
breeze.Failuretodosomaycauseadamagetothe
outdoorunit.
Sea breeze Sea breeze
Sea Sea
Outdoor Unit Outdoor Unit
ꞏ
Ifyoucannotavoidinstallingtheoutdoorunitatthe
seaside,constructaprotectionwallaroundtoblockthe
seabreeze.
ꞏ
Constructaprotectionwallwithasolidmaterialsuch
asconcretetoblocktheseabreeze.Makesurethatthe
heightandthewidthofthewallare1.5timeslarger
thanthesizeoftheoutdoorunit.Also,secureaspace
largerthan700mmbetweentheprotectionwallandthe
outdoorunitforexhaustedairtoventilate.
Protection wall
Outdoor Unit
Sea breeze
Sea
6
Installation Procedure
English
Installation Procedure
CAUTION
ꞏ
Dependingontheconditionofpowersupply,unstable
powerorvoltagemaycausemalfunctionofthepartsor
controlsystem.(Attheshiporplacesusingpowersupply
fromelectricgenerator...etc)
ꞏ
Installtheunitinaplacewherewatercandrain
smoothly.
ꞏ
Ifyouhaveanydifficultyfindinginstallationlocationas
prescribedabove,contactyourmanufacturerfordetails.
ꞏ
Besuretocleantheseawaterandthedustontheheat
exchangeroftheoutdoorunitandapplyacorrosion
inhibitoronit.(Atleastonceinayear.)
Outdoor unit dimensions
A Type
AC018TXRFCC
364
660
12
23
880
54
310
638
B Type
AC024TXRFCC
364
660
12
18
880
53
310
798
Minimum clearances for the outdoor unit
When installing 1 outdoor unit
(Unit: mm)
300 or more
1500 or more
300 or
more
600 or
more
300 or
more
2000
or more
1500
or more
600
or more
300
or more
1500
or more
300 or
more
When installing more than 1 outdoor unit
(Unit: mm)
1500
or more
600
or more
3000
or more
3000
or more
300
or more
600
or more
600
or more
1500
or more
300
or more
1500
or more
600
or more
600
or more
300
or more
600
or more
600
or more
600
or more
300
or more
7
English
Installation Procedure
300 or more
300 or more
500 or more 500 or more
CAUTION
ꞏ
Theoutdoorunitmustbeinstalledaccordingtothe
specifieddistancesinordertopermitaccessibilityfrom
eachside,toguaranteecorrectoperation,maintenance,
andrepairoftheunit.Thecomponentsoftheoutdoor
unitmustbereachableandremovableundersafe
conditionsforpeopleandtheunit.
WARNING
ꞏ
Shouldadoptbartypelouver.Don’tuseatypeofrain
resistancelouver.
[Bar type louver] [Rain resistance louver]
ꞏ
Louverspecifications.
Anglecriteria:lessthan20°
Openingratiocriteria:greaterthan80%
Moving the outdoor unit with wire rope
1 Beforecarryingtheoutdoorunit,fastentwowireropesof
8morlonger,asshowninthefigure.
2 Topreventdamagesorscratcheseffectively,inserta
pieceofclothbetweentheoutdoorunitandtheropes.
3 Movetheoutdoorunit.
Wire rope
Plate protection
cloth
Step 2 Fixing the outdoor unit in place
Installtheoutdoorunitonarigidandstablebasetoprevent
disturbancefromanynoisecausedbyvibration.When
installingtheunitataheightorinalocationexposedto
strongwinds,fixtheunitsecurelytoasupport(i.e.,awallor
aground).
Fixtheoutdoorunitwithanchorbolts.Makesurethatthe
anchorboltsare20mmorhigherfromthebasesurface.
(Unit : mm)
Anchor bolt hole
660
880
310
340
364
CAUTION
ꞏ
Installadrainoutletatthelowestendaroundthebase
foroutdoorunitdrainage
ꞏ
Wheninstallingtheoutdoorunitontheroof,waterproof
theunitandchecktheceilingstrength.
ꞏ
Makesurethatthewallcansupporttheweightsofthe
rackandtheoutdoorunit.
ꞏ
Installtherackclosetothecolumnasmuchaspossible.
8
Installation Procedure
English
Installation Procedure
Optional: Fixing the outdoor unit to a wall with a rack
Soft rubber designed to cut off vibration from
rack to wall. (not supplied with product)
Designed to cut off residual vibration from
outdoor unit to rack. (not supplied with product)
Anchor bolt
Base surface
20 mm
ꞏ
Installapropergrommetinordertoreducenoise
andresidualvibrationtransferredbytheoutdoorunit
towardsthewall.
CAUTION
ꞏ
Wheninstallinganairguideduct,besuretocheckthe
following:
Thescrewsdonotdamagethecopperpipe.
Theairguideductisfixedfirmlyontheguardfan.
Step 3 Connecting the power cables,
communication cable, and controllers
Youmustconnectthefollowingthreeelectricalcablesto
theoutdoorunit:
ꞏ
Themainpowercablebetweentheauxiliarycircuit
breakerandtheoutdoorunit.
ꞏ
Theoutdoor-to-indoorpowercablebetweentheoutdoor
unitandtheindoorunit.
ꞏ
Thecommunicationcablebetweentheoutdoorunitand
theindoorunit.
CAUTION
ꞏ
Duringinstallation,makefirsttherefrigerant
connectionsandthentheelectricalconnections.Ifthe
unitisuninstalled,firstdisconnecttheelectricalcables
andthentherefrigerantconnections.
ꞏ
Connecttheairconditionertotheearthingsystembefore
makingtheelectricalconnections.
NOTE
ꞏ
Especially,ifyouroutdoorunitistheonedesignedfor
RussianandEuropeanmarkets,consultthesupply
authority,ifnecessary,toestimateandreducethesupply
systemimpedancebeforeinstallation.
Air conditioning system examples
Whenusingearthleakagecircuitbreaker(ELCB)forasingle
phase
MCCB
1
ELB
Main power
cable
Communication cable
Outdoor-to-indoor power cable
Outdoor Unit
OR
Indoor Unit
ELCB
1
Earthing
CAUTION
ꞏ
Iftheoutdoorunitisinstalledinalocationvulnerableto
anelectricleakorsubmergence,makesuretoinstallan
ELCB.
9
English
Installation Procedure
Connecting the main power cable
When using ELB for 1 phase
MCCB
ELB
Power supply
Electrical
component box
The appearance of the unit may be
different from the picture depending
on the model.
Indoor Unit
1-phase
ELCB
Or
1(L) 2(N) L N F1 F2
Main power
cable
Cable clamp
Outdoor to indoor
power cable
Communication
cable
CAUTION
ꞏ
Youshouldconnectthepowercableintothepowercableterminalandfastenitwithaclamp.
ꞏ
Theunbalancedpowermustbemaintainedwithin2%ofsupplyrating.
Ifthepowerisunbalancedgreatly,itmayshortenthelifeofthecondenser.Iftheunbalancedpowerisexceededover4%
ofsupplyrating,theindoorunitisprotected,stoppedandtheerrormodeindicates.
ꞏ
Toprotecttheproductfromwaterandpossibleshock,youshouldkeepthepowercableandtheconnectioncordofthe
indoorandoutdoorunitswithinducts.(withappropriateIPratingandmaterialselectionforyourapplication)
ꞏ
Ensurethatmainsupplyconnectionismadethroughaswitchthatdisconnectsallpoles,withcontactgapofaleast3mm.
ꞏ
Devicesdisconnectedfromthepowersupplyshouldbecompletelydisconnectedintheconditionofovervoltagecategory.
ꞏ
Keepdistancesof50mmormorebetweenpowercableandcommunicationcable.
10
Installation Procedure
English
Installation Procedure
Main power terminal block specifications
ꞏ
1-phaseterminalblockspecifications
AC018/024TXRFCC
1(L) 2(N)
F1 F2
L N
16.3 12 11.4
10.1
Main power cable specifications
Thepowercableisnotsuppliedwithairconditioner.
ꞏ
Selectthepowersupplycableinaccordancewithrelevantlocalandnationalregulations.
ꞏ
Wiresizemustcomplywiththeapplicablelocalandnationalcode.
ꞏ
Specificationsforlocalwiringpowercordandbranchwiringareincompliancewithlocalcord.
Single phase
Model
Outdoor Unit Input current (Amperes) Power supply
Rated Voltage range Outdoor Unit
Indoor unit Total MCA MFA
Indoor unit Outdoor unit Hz Volts Min. Max. Cooling
AC018TN4FCC AC018TXRFCC 60 230 207 253 14.5 1.5 16 16 18.1
AC024TN4FCC AC024TXRFCC
60 230 207 253 15.5 1.5 17 17 19.4
NOTE
1 Voltagerange
ꞏ
Unitsaresuitableforuseonelectricalsystemswherevoltagesuppliedtounitterminalisnotbeloworabovelisted
rangelimits
2 Maximumallowablevoltagevariationbetweenphasesis2%.
3 Wiresize&typemustcomplywiththeapplicablelocalandnationalcode.
ꞏ
Wiresize:BasedonthevalueofMCA.
ꞏ
Wiretype:60245IEC57(IEC)orH05RN-F(CENELEC)gradeormore.
4 MFAisusedtoselectthecircuitbreakerandthegroundfaultcircuitinterrupter(earthleakagecircuitbreaker).
5 MCArepresentsmaximuminputcurrent.
ꞏ
MFArepresentscapacitywhichmayacceptMCA
ꞏ
Abbreviations
MCA:Min.CircuitAmps.(A)
MFA:Max.FuseAmps.(A)
11
English
Installation Procedure
Connecting the outdoor-to-indoor power cable and the communication cable
Cable clamp
1F 2F
L N
For connecting the power and
communication cables
Indoor Unit
1(L) 2(N) L N F1 F2
Main power
cable
Outdoor to indoor
power cable
Communication
cable
Outdoor Unit
NOTE
ꞏ
Laytheelectricalwiringsothatthefrontcoverdoesnotriseupwhendoingwiringworkandattachthefrontcover
securely.
ꞏ
Groundwirefortheindoorunitandoutdoorunitconnectioncablemustbeclampedtoasoftcoppertin-platedeyelet
terminalwithM4screwhole(NOTSUPPLIEDWITHUNITACCESSORIES).
12
Installation Procedure
English
Installation Procedure
Outdoor-to-indoor power terminal specifications
ꞏ
Connectthecablestotheterminalboardusingthecompressedringterminal.
ꞏ
Coverasolderlessringterminalandaconnectorpartofthepowercableandthenconnectit.
Silver solder
Nominal
dimensions
for cable
(mm²)
Nominal
dimensions
for screw
(mm)
B D d1 E F L d2 t
Standard
dimension
(mm)
Allowance
(mm)
Standard
dimension
(mm)
Allowance
(mm)
Standard
dimension
(mm)
Allowance
(mm)
Min.
(mm)
Min.
(mm)
Max.
(mm)
Standard
dimension
(mm)
Allowance
(mm)
Min.
(mm)
4/6
4 9.5
±0.2 5.6
+0.3
-0.2
3.4 ±0.2 6
5 20 4.3
+0.2
0
0.9
8 15 9 28.5 8.4
+0.4
0
10 8 15 ±0.2 7.1
+0.3
-0.2
4.5 ±0.2 7.9 9 30 8.4
+0.4
0
1.15
16 8 16 ±0.2 9
+0.3
-0.2
5.8 ±0.2 9.5 13 33 8.4
+0.4
0
1.45
25
8 12
±0.3 11.5
+0.5
-0.2
7.7 ±0.2 11
15
34
8.4
+0.4
0
1.7
8 16.5 13 8.4
35
8 16
±0.3 13.3
+0.5
-0.2
9.4 ±0.2 12.5
13 38 8.4
+0.4
0
1.8
8 22 13 43 8.4
50 8 22 ±0.3 13.5
+0.5
-0.2
11.4 ±0.3 1 7. 5 14 50 8.4
+0.4
0
1.8
70 8 24 ±0.4 1 7. 5
+0.5
-0.4
13.3 ±0.4 18.5 20 51 8.4
+0.4
0
2.0
ꞏ
Connecttheratedcablesonly.
ꞏ
Connectusingadriverwhichisabletoapplytheratedtorquetothescrews.
ꞏ
Iftheterminalisloose,firemayoccurcausedbyarc.Iftheterminalisconnectedtoofirmly,theterminalmaybedamaged.
Tightening torque (kgfcm)
M4 12.0to18.0
M5 20.0to30.0
ꞏ
1Nꞏm=10kgfꞏcm
CAUTION
ꞏ
Whenconnectingcables,youcanconnectthecablestotheelectricalpartorconnectthemthroughtheholesbelow
dependingonthespot.
ꞏ
Connectthecommunicationcablebetweentheindoorandoutdoorunitsthroughaconduittoprotectagainstexternal
forces,andfeedtheconduitthroughthewalltogetherwithrefrigerantpiping.
ꞏ
Removeallburrsattheedgeoftheknock-outholeandsecurethecabletotheoutdoorknock-outusingliningand
bushingwithanelectricalinsulationsuchasrubberandsoon.
ꞏ
Mustkeepthecableinaprotectiontube.
ꞏ
Keepdistancesof50mmormorebetweenpowercableandcommunicationcable.
ꞏ
Whenthecablesareconnectedthroughthehole,removethePlatebottom.
13
English
Installation Procedure
Outdoor-to-indoor power and communication cables
specifications
Indoor power supply
Power supply Max/Min (V) Indoor power cable
1ø,230V,60Hz ±10% 0.75mm²
,3wires
Communication cable
0.75mm²
,2wires
ꞏ
Powersupplycordsofpartsofappliancesforoutdoor
useshallnotbelighterthanpolychloroprenesheathed
flexiblecord.(CodedesignationIEC:60245IEC57/
CENELEC:H05RN-ForIEC:60245IEC66/CENELEC:
H07RN-F)
ꞏ
Wheninstallingtheindoorunitinacomputerroomor
networkroom,usethedoubleshielded(tapealuminium
/polyesterbraid+copper)cableofFROHH2Rtype.
Step 4 Optional: Extending the power cable
1 Preparethefollowingtools.
Tools Spec Shape
Crimpingpliers MH-14
Connectionsleeve(mm)
20xØ6.5
(HxOD)
Insulationtape
Width19
mm
Contractiontube(mm)
70xØ8.0
(LxOD)
2 Asshowninthefigure,peelofftheshieldsfromthe
rubberandwireofthepowercable.
ꞏ
Peeloff20mmofcableshieldsfromthepre-installed
tube.
CAUTION
ꞏ
Forinformationaboutthepowercablespecifications
forindoorandoutdoorunits,refertotheinstallation
manual.
ꞏ
Afterpeelingoffcablewiresfromthepre-installed
tube,insertacontractiontube.
ꞏ
Ifcablewiresareconnectedwithoutusingconnecting
sleeves,theircontactareabecomesreduced,or
corrosiondevelopsontheoutersurfacesofthewires
(copperwires)overalongtime.Thismaycausean
increaseofresistance(reductionofpassingcurrent)
andconsequentlymayresultinafire.
Power cable
(Unit: mm)
20 20 20
60
120
180
202020
60
120
180
Pre-installed
tube for the
power cable
3 Insertbothsidesofcorewireofthepowercableintothe
connectionsleeve.
ꞏ
Method 1:Pushthecorewireintothesleevefrom
bothsides.
ꞏ
Method 2:Twistthewirecorestogetherandpushit
intothesleeve.
Connection sleeve
Method 1
Connection sleeve
Method 2
4 Usingacrimpingtool,compressthetwopointsandflip
itoverandcompressanothertwopointsinthesame
location.
ꞏ
Thecompressiondimensionshouldbe8.0.
Compression
dimension
14
Installation Procedure
English
Installation Procedure
ꞏ
Aftercompressingit,pullbothsidesofthewireto
makesureitisfirmlypressed.
Compress it 4 times.
5 mm
Method 1
Compress it 4 times.
5 mm
Method 2
5 Wrapitwiththeinsulationtapetwiceormoreand
positionyourcontractiontubeinthemiddleofthe
insulationtape.
Threeormorelayersofinsulationarerequired.
Method 1 Method 2
35 mm40 mm
Insulation tapeInsulation tape
6 Applyheattothecontractiontubetocontractit.
Contraction tube
Contraction tube
Method 1 Method 2
7 Aftertubecontractionworkiscompleted,wrapitwith
theinsulationtapetofinish.
IInsulation tape
Insulation tape
Method 1 Method 2
CAUTION
ꞏ
Makesurethattheconnectionpartsarenotexposedto
outside.
ꞏ
Besuretouseinsulationtapeandacontractiontube
madeofapprovedreinforcedinsulatingmaterialsthat
havethesamelevelofwithstandvoltagewiththepower
cable.(Complywiththelocalregulationsonextensions.)
WARNING
ꞏ
Incaseofextendingtheelectricwire,pleaseDONOTuse
around-shapedPressingsocket.
Incompletewireconnectionscancauseelectricshock
orafire.
Step 5 Connecting the refrigerant pipe
Items Maximum allowable length
Outdoor unit AC018TXRFCC AC024TXRFCC
Main pipe (L) 30 30
Max. height
difference
between
outdoor and
indoor units
(h)
15 15
indoor
outdoor
L
h
ꞏ
Tempergradeandminimumthicknessoftherefrigerant
pipe
Outer diameter
[mm]
Minimum thickness
[mm]
Temper grade
ø6.35 0.7
C1220T-O
ø9.52 0.7
ø12.70 0.8
ø15.88 1.0
ø15.88 0.8
C1220T-1/2H
OR
C1220T-H
ø19.05 0.9
ø22.23 0.9
15
English
Installation Procedure
CAUTION
ꞏ
BesuretouseC1220T-1/2H(Semi-hard)pipeformore
thanØ19.05mm.IfyouuseC1220T-O(Soft)pipefor
Ø19.05mm,thepipemaybebroken,whichcanresultin
aninjury.
ꞏ
Theappearanceoftheunitmaybedifferentfromthe
diagramdependingonthemodel.
CAUTION
ꞏ
Afterconnectingthepipeswithknock-outtreatment,
plugthespacearoundthepipes.
ꞏ
Afterconnectingthepipes,proceedexactlyasdirectedin
theguidetopreventinterferencewiththeinternalparts.
Step 6 Optional: Cutting and fl aring the
pipes
1 Makesurethatyouhavetherequiredtoolsavailable.
(pipecutter,reamer,flaringtool,andpipeholder)
2 Ifyouwishtoshortenthepipes,cutitwithapipecutter,
takingcaretoensurethatthecutedgeremainsata90°
anglewiththesideofthepipe.Refertotheillustrations
belowforexamplesofedgescutcorrectlyandincorrectly.
Pipe cutter
Pipe
90°
Oblique
Rough
Burr
3 Topreventanygasfromleakingout,removeallburrsat
thecutedgeofthepipe,usingareamer.
4 Slideaflarenutontothepipeandmodifytheflare.
D
A
D
45° ±
90° ±2°
Pipe Flare
Flare
R 0.4 to 0.8 mm
L
Outer diameter (D) Depth (A) Flare dimension (L)
ø6.35mm 14to18 8.7to9.1mm
ø9.52mm 34to42 12.8to13.2mm
ø12.70mm 49to61 16.2to16.6mm
ø15.88mm 68to82 19.3to19.7mm
ø19.05mm 100to120 23.6to24.0mm
ꞏ
1Nꞏm=10kgfꞏcm
5 Checkthattheflaringiscorrect,referringtothe
illustrationsbelowforexamplesofincorrectflaring.
3
2
1
Correct
Inclined
Damaged
Surface
Cracked
Uneven
Thickness
CAUTION
ꞏ
IfthepipesrequirebrazingensurethatOFN(OxygenFree
Nitrogen)isflowingthroughthesystem.
ꞏ
Nitrogenblowingpressurerangeis0.02to0.05MPa.
16
Installation Procedure
English
Installation Procedure
Step 7 Connecting up and removing air in
the circuit
CAUTION
ꞏ
Wheninstalling,makesurethereisnoleakage.When
recoveringtherefrigerant,groundthecompressorfirst
beforeremovingtheconnectionpipe.Iftherefrigerant
pipeisnotproperlyconnectedandthecompressorworks
withtheservicevalveopen,thepipeinhalestheairand
itmakesthepressureinsideoftherefrigerantcycle
abnormallyhigh.Itmaycauseexplosionandinjury.
Theairintheindoorunitandinthepipemustbeevacuated.
Ifairremainsintherefrigerantpipes,itwillaffectthe
compressoreitherreducecooling/heatingcapacityorlead
toamalfunction.Refrigerantforairpurgingisnotcharged
intheoutdoorunit.UseVacuumPumpasshownattheright
figure.
1 Connecteachassemblypipetotheappropriatevalveon
theoutdoorunitandtightentheflarenut.
2 Referringtotheillustrationbelow,tightentheflare
nutonsectionDfirstmanuallyandthenwithatorque
wrench,applyingthefollowingtorque.
Outdoor Unit
A (Gas)
B (Liquid)
D
C
Outer Diameter (D) Torque (N
m)
ø6.35 14to18
ø9.52 34to42
ø12.70 49to61
ø15.88 68to82
ø19.05 100to120
3 Connectthecharginghoseoflowpressuresideof
manifoldgaugetothepackedvalvehavingaserviceport
asshownatthefigure.
CAUTION
ꞏ
Thedesignsandshapearesubjecttochangeaccording
tothemodel.
4 Openthevalveofthelowpressureside(A)ofmanifold
gaugeanticlockwise.
Vacuum
pump
A(Gas)
B(liquid)
5 Purgetheairfromthesystemusingvacuumpumpfor
about10minutes.
ꞏ
Closethevalveofthelowpressuresideofmanifold
gaugeclockwise.
ꞏ
Makesurethatpressuregaugeshows-0.1MPa(-76
cmHg)afterabout10minutes.Thisprocedureisvery
importanttoavoidagasleak.
ꞏ
Turnoffthevacuumpump.
ꞏ
Removethehoseofthelowpressuresideofmanifoldgauge.
6 Openthestopvalveofbothliquidandgassides.
7 Mountthevalvestemnutsandtheserviceportcapto
thevalve,andtightenthematthetorqueof183kgfꞏcm
withatorquewrench.
8 Checkforgasleakage.
ꞏ
Atthistime,especiallycheckforgasleakagefromthe3-way
valve’sstemnuts(Aport),andfromtheserviceportcap.
CAUTION
ꞏ
Connecttheindoorandoutdoorunitsusingpipeswith
flaredconnections(notsupplied).Forthelines,use
insulated,unwelded,degreasedanddeoxidizedcopper
pipe,(CuDHPtypetoISO1337orUNIEN12735-1),
suitableforoperatingpressuresofatleast4200kPaand
foraburstpressureofatleast20700kPa.Copperpipefor
hydro-sanitaryapplicationsiscompletelyunsuitable.
ꞏ
Forsizingandlimits(heightdifference,linelength,
17
English
Installation Procedure
max.bends,refrigerantcharge,etc.)see“Connecting
refrigerantpipesection”.
Step 8 Adding refrigerant (R-410A)
ꞏ
Theoutdoorunitisloadedwithsufficientrefrigerantfor
thestandardpiping.Thus,refrigerantmustbeadded
ifthepipingislengthened.Thisoperationcanonly
beperformedbyaqualifiedrefrigerationspecialist.
Todeterminethequantityofrefrigerantcharge,see
Calculating the quantity of refrigerant to addonpage17.
1 Checkifthestopvalveisclosedcompletely.
2 Chargetherefrigerantthroughtheserviceportofthe
gasstopvalve.
3 Ifyouhaveanydifficultychargingtherefrigerantas
describedinthestepsabove,takethefollowingsteps:
a Opentheliquidstopvalveandgasstopvalve.
b OperatetheairconditionerbypressingtheK2keyon
theoutdoorunitPCB.
c Afterabout30minutes,chargetherefrigerant
throughtheserviceportofthegasstopvalve.
Gas side stop valve
(service port))
Liquid side stop valve
Ref
Balance
Vacuum
pump
A(Gas)
B(liquid)
Indoor Unit
(non-service port)
Calculating the quantity of refrigerant to add
Thequantityofadditionalrefrigerantisvariableaccording
totheinstallationsituation.Thus,makesuretheoutdoor
unitsituationbeforeaddingrefrigerant.Thisoperationcan
onlybeperformedbyaqualifiedrefrigerationspecialist.
Inter-
connection
pipe length
(m)
Model
AC018TXRFCC AC018TXRFCC
0~5 0 0
5~30 +10g/mover5m +15g/mover5m
Step 9 Performing the gas leak test
LEAK TEST WITH NITROGEN (before opening valves)
Inordertodetectbasicrefrigerantleaks,beforerecreating
thevacuumandrecirculatingtheR-410A,itisthe
responsibilityoftheinstallertopressurizethewholesystem
withnitrogen(usingacylinderwithpressurereducer)ata
pressureabove0.2MPa,lessthan4MPa(gauge).
LEAK TEST WITH R-410A (after opening valves)
Beforeopeningvalves,dischargeallthenitrogenintothe
systemandcreatevacuum.Afteropeningvalvescheckleaks
usingaleakdetectorforrefrigerantR-410A.
Onceyouhavecompletedalltheconnections,checkfor
possibleleaksusingleakdetectorspecificallydesignedfor
HFCrefrigerants.
A(Gas)
B(liquid)
ꞏ
Thedesignsandshapearesubjecttochangeaccording
tothemodel.
18
Installation Procedure
English
Installation Procedure
Step 10 Insulating the refrigerant pipes
Onceyouhavecheckedthattherearenoleaksinthe
system,youcaninsulatethepipingandhose.
1 Toavoidcondensationproblems,placeaninsulator
aroundeachrefrigerantpipe.
No gap
NBR
NOTE
ꞏ
Wheninsulatethepipe,besuretooverlaptheinsulation.
ꞏ
Theinsulationhastobeproducedinfullcompliance
ofEuropeanregulationreg.EEC/EU2037/2000that
requirestheuseofsheathsinsulationformwithoutusing
CFCandHCFCgasesforhealthandtheenvironment.
CAUTION
ꞏ
Wheninsulatingthepipe,usenon-slitinsulator.
2 Selecttheinsulationoftherefrigerantpipe.
ꞏ
Insulatethegassideandliquidsidepipereferringto
thethicknessaccordingtothepipesize.
ꞏ
LessthanIndoortemperatureof30°Candhumidity
of85%isthestandardcondition.Ifinstallinginahigh
humiditycondition,useonegradethickerinsulator
byreferringtothetablebelow.Ifinstallinginan
unfavourableconditions,usethickerone.
ꞏ
Insulatorsheat-resistancetemperatureshouldbe
morethan120°C.
Pipe Pipe size
Insulation Type
(Heating/Cooling)
Remarks
Standard
[Less than
30°C, 85%]
High
humidity
[over 30°C,
85%]
EPDM, NBR
Liquidpipe
Ø6.35~Ø9.52 9t 9t
Internal
temperature
ishigherthan
120°C
Ø12.7~Ø19.05 13t 13t
Gaspipe
Ø6.35 13t 19t
Ø9.52~Ø19.05 19t 25t
ꞏ
Wheninstallinginsulationinplacesandconditions
below,usethesameinsulationthatisusedforhigh
humidityconditions.
<Geologicalcondition>
Highhumidityplacessuchasshoreline,hot
spring,nearlakeorriver,andridge(whenthe
partofthebuildingiscoveredbyearthand
sand.)
<Operationpurposecondition>
Restaurantceiling,sauna,swimmingpooletc.
<Buildingconstructioncondition>
Theceilingfrequentlyexposedtomoistureand
coolingisnotcovered.
e.g.Thepipeinstalledatacorridorofa
dormitoryandstudioornearanexitthatopens
andclosesfrequently.
Theplacewherethepipeisinstalledishighly
humidduetothelackofventilationsystem.
Step 11 Checking the earthing
Ifthepowerdistributioncircuitdoesnothaveaearthing
ortheearthingdoesnotcomplywithspecifications,an
earthingelectrodemustbeinstalled.Thecorresponding
accessoriesarenotsuppliedwiththeairconditioner.
1 Selectanearthingelectrodethatcomplieswiththe
specificationsgivenintheillustration.
2 Connecttheflexiblehosetotheflexiblehoseport.
ꞏ
Indamphardsoilratherthanloosesandyorgravel
soilthathasahigherearthingresistance.
ꞏ
Awayfromundergroundstructuresorfacilities,
suchasgaspipes,waterpipes,telephonelinesand
undergroundcables.
ꞏ
Atleasttwometresawayfromalighteningconductor
earthingelectrodeanditscable.
NOTE
ꞏ
Theearthingwireforthetelephonelinecannotbeused
togroundtheairconditioner.
50 cm
30 cm
Carbon plastic
To grounding screw
Steel core
Terminal M4
PVC-insulated
green/yellow
wire
3 Finishwrappinginsulatingtapearoundtherestofthe
19
English
Installation Procedure
pipesleadingtotheoutdoorunit.
4 Installagreen/yellowcolouredearthingwire:
ꞏ
Iftheearthingwireistooshort,connectanextension
leadinamechanicalwayandwrapitwithinsulating
tape(donotburytheconnection).
ꞏ
Securetheearthingwireinpositionwithstaples.
NOTE
ꞏ
Iftheearthingelectrodeisinstalledinanareawith
heavytraffic,itswiremustbeconnectedsecurely.
5 Carefullychecktheinstallationbymeasuringthe
earthingresistancewithaearthresistancetester.Ifthe
resistanceisabovetherequiredlevel,drivetheelectrode
deeperintothegroundorincreasethenumberof
earthingelectrodes.
6 Connecttheearthingwiretotheelectricalcomponent
boxinsideoftheoutdoorunit.
Step 12 Performing nal check and trial
operation
1 Checkthepowersupplybetweentheoutdoorunitand
theauxiliarycircuitbreaker.
ꞏ
1phasepowersupply:L,N
2 Checktheindoorunit.
a Checkthatyouhaveconnectedthepowerand
communicationcablescorrectly.(Ifthepower
cableandcommunicationcablesonemixedupor
connectedincorrectly,thePCBwillbedamaged.)
b Checkthatthethermistorsensor,drainpump/hose,
anddisplayareconnectedcorrectly.
3 PressK1orK2ontheoutdoorunitPCBtorunthetest
modeandstop.
Key Pushtype Mode
Display
SEG1 SEG2 SEG3 SEG4
K2 Short
1st Coolingtest
2nd Stop
K3 Short 1st Reset
PCB
K1 K3K2 K4
KEY
Display
SEG1 SEG2 SEG3 SEG4
Display
KEY
4 After12minutesoperationcheckdischargedair
temperatureofindoorunit
ꞏ
Coolingmode(indoorunitcheck)Inletairtemp.-
Outletairtemp.:From10°Cto12°C
5 Howtoresetthepowersupplyoftheoutdoorunit:
ꞏ
PressK3buttonover1sectoresetthepowersupply
oftheoutdoorunit.
20
Installation Procedure
English
Installation Procedure
6 Viewmode:WhentheK4switchispressed,youcanseeinformationaboutoursystemstateasbelow.
K4
short
push
Display contents SEG1 SEG2 SEG3 SEG4 Unit
1 Orderfrequency 1 - - - Hz
2 Currentfrequency 2 - - - Hz
3
Thenumberofpresetindoor
units
3 Hundredsdigit Tensdigit Unitsdigit EA
4 Ambienttemperaturesensor 4 +/- Tensdigit Unitsdigit °C
5 Compressordischargesensor 5 Hundredsdigit Tensdigit Unitsdigit °C
6 Eva-Sensor 6 +/- Tensdigit Unitsdigit °C
7 Condensorsensor 7 +/- Tensdigit Unitsdigit °C
8 Current 8 - - - A
9 OutdoorfanRPM 9 - -
0:Stop
1:Low
2:High
-
10
Targetdischarge
temperature
A - - - °C
11 EEV B - - - step
12
Thecapacitysumofindoor
units
C Tensdigit Unitdigit
Thefirstplaceof
decimals
kW
13 Protectivecontrol D
0:Cooling
1:Heating
Protectivecontrol
0:NoProtective
control
1:Freezing
2:Non-stop
defrosting
3:Over-load
4:Discharge
Compressor
operation
0:Off
1:On
-
14 IPMtemperature E - - - °C
15
Thenumberofconnected
indoorunits
F Hundredsdigit Tensdigit Unitsdigit EA
16 Viewmodeend Blank Blank Blank Blank -
Display contents SEG1 SEG2 SEG3 SEG4
K4 long
push
- Mainmicomversion Year(Dec) Month(Hex) Date(Tensdigit) Date(Unitsdigit)
After short push 1 - - - - -
After short push 1 - - - - -
After short push 1
Page1-AUTO
Page2-(SEG1,2-Indoor:"A","0")(SEG3,4-Address:ex)00)
After short push 1
Page1-MANU
Page2-(SEG1,2-Indoor:"A","0")(SEG3,4-Address:ex)00)
ꞏ
LongpushK4(Mainmicomver.)→shortpush1more(nofunction)→shortpush1more(nofunction)→shortpush1more
(Automaticaddress)→shortpush1more(Manualaddress)→shortpush1more(Mainmicomver.)→.......→Longpush
K4(viewmodeend).
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Samsung AC018TXRFCC/SU Installation guide

Category
Split-system air conditioners
Type
Installation guide
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