Samsung AC024TXRFCC/SU Installation guide

Brand: Samsung

Model: AC024TXRFCC/SU

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

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

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forwhich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

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.

English

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

1.5 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

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

880

310

638

B Type

AC024TXRFCC

364

660

880

310

798

Minimum clearances for the outdoor unit

When installing 1 outdoor unit

(Unit: mm)

300 or more

1500 or more

300 or

600 or

300 or

2000

or more

1500

or more

600

or more

300

or more

1500

or more

300 or

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

English

Installation Procedure

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.

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

ELB

Main power

cable

Communication cable

Outdoor-to-indoor power cable

Outdoor Unit

Indoor Unit

ELCB

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.

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

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.

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complywith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capacitywhichmayacceptMCA

ꞏ

Abbreviations

MCA:Min.CircuitAmps.(A)

MFA:Max.FuseAmps.(A)

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).

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

0.9

8 15 9 28.5 8.4

+0.4

10 8 15 ±0.2 7.1

+0.3

-0.2

4.5 ±0.2 7.9 9 30 8.4

+0.4

1.15

16 8 16 ±0.2 9

+0.3

-0.2

5.8 ±0.2 9.5 13 33 8.4

+0.4

1.45

8 12

±0.3 11.5

+0.5

-0.2

7.7 ±0.2 11

8.4

+0.4

1.7

8 16.5 13 8.4

8 16

±0.3 13.3

+0.5

-0.2

9.4 ±0.2 12.5

13 38 8.4

+0.4

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

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

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 (kgfꞏcm)

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.

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

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

120

180

202020

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

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

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.(Complywith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

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

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

90°

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.

45° ±2°

90° ±2°

Pipe Flare

Flare

R 0.4 to 0.8 mm

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.

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.

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)

Outer Diameter (D) Torque (N

ꞏ

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,

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.

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

Insulator’s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

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 After12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over1sectoresetthepowersupply

oftheoutdoorunit.

Installation Procedure

English

Installation Procedure

6 Viewmode:WhentheK4switchispressed,youcanseeinformationaboutoursystemstateasbelow.

short

push

Display contents SEG1 SEG2 SEG3 SEG4 Unit

1 Orderfrequency 1 - - - Hz

2 Currentfrequency 2 - - - Hz

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

Targetdischarge

temperature

A - - - °C

11 EEV B - - - step

Thecapacitysumofindoor

units

C Tensdigit Unitdigit

Thefirstplaceof

decimals

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

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

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 AC024TXRFCC/SU Installation guide

Brand: Samsung

Model: AC024TXRFCC/SU

Category: Split-system air conditioners

Type: Installation guide

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Samsung AC024TXRFCC/SU Installation guide

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