Fujitsu ASYG12LMCE-R

En-1
1. SAFETY PRECAUTIONS
• BesuretoreadthisManualthoroughlybeforeinstallation.
• ThewarningsandprecautionsindicatedinthisManualcontainimportantinformation
pertainingtoyoursafety.Besuretoobservethem.
• HandthisManual,togetherwiththeOperatingManual,tothecustomer.Requestthe
customertokeepthemonhandforfutureuse,suchasforrelocatingorrepairingtheunit. 
WARNING
Indicatesapotentiallyorimminentlyhazardoussituation
which,ifnotavoided,couldresultindeathorseriousinjury.
•Installationofthisproductmustbedonebyexperiencedservicetechniciansorprofes-
sionalinstallersonlyinaccordancewiththismanual.Installationbynon-professionalor
improperinstallationoftheproductmightcauseseriousaccidentssuchasinjury,water
leakage,electricshock,orre.Iftheproductisinstalledindisregardoftheinstructions
inthismanual,itwillvoidthemanufacturer’swarranty.
•Donotturnonthepoweruntilallworkhasbeencompleted.Turningonthepowerbe-
foretheworkiscompletedcancauseseriousaccidentssuchaselectricshockorre.
•Ifrefrigerantleakswhenyouareworking,ventilatethearea.Iftheleakingrefrigerantis
exposedtoadirectame,itmayproduceatoxicgas.
•Installationmustbeperformedinaccordancewithregulations,codes,orstandardsfor
electricalwiringandequipmentineachcountry,region,ortheinstallationplace.
CAUTION
Indicatesapotentiallyhazardoussituationthatmayresultin
minorormoderateinjuryordamagetoproperty.
•Readcarefullyallsafetyinformationwritteninthismanualbeforeyouinstallorusethe
airconditioner.
•Installtheproductbyfollowinglocalcodesandregulationsinforceattheplaceof
installation,andtheinstructionsprovidedbythemanufacturer.
•Thisunitmustbeinstalledbyqualiedpersonnelwithacapacitycerticateforhandling
refrigerantuids.Refertoregulationandlawsinuseoninstallationplace.
•Thisproductispartofasetconstitutinganairconditioner.Theproductmustnotbe
installedaloneorbeinstalledwithadevicenotauthorizedbythemanufacturer.
•Alwaysuseaseparatepowersupplylineprotectedbyacircuitbreakeroperatingonall
wireswithadistancebetweencontactof3mmforthisproduct.
•Toprotectthepersons,earth(ground)theproductcorrectly,andusethepowercable
combinedwithanEarthLeakageCircuitBreaker(ELCB).
•Thisproductisnotexplosionproof,andthereforeshouldnotbeinstalledinanexplo-
siveatmosphere.
•Toavoidgettinganelectricshock,nevertouchtheelectricalcomponentssoonafterthe
powersupplyhasbeenturnedoff.Afterturningoffthepower,alwayswait5minutesor
morebeforeyoutouchtheelectricalcomponents.
•Thisproductcontainsnouser-serviceableparts.Alwaysconsultexperiencedservice
techniciansforrepairing.
•Whenmovingorrelocatingtheairconditioner,consultexperiencedservicetechnicians
fordisconnectionandreinstallationoftheproduct.
•Donottouchthealuminumnsofheatexchangerbuilt-intheindoororoutdoorunitto
avoidpersonalinjurywhenyouinstallormaintaintheunit.
•Donotplaceanyotherelectricalproductsorhouseholdbelongingsundertheproduct.
Condensationdrippingfromtheproductmightgetthemwet,andmaycausedamage
ormalfunctiontotheproperty.
2. ABOUT THE PRODUCT
2.1. Precautions for using R410A refrigerant
Thebasicinstallationworkproceduresarethesameasconventionalrefrigerant(R22)
models.
However,paycarefulattentiontothefollowingpoints:
Sincetheworkingpressureis1.6timeshigherthanthatofconventionalrefrigerant
(R22)models,someofthepipingandinstallationandservicetoolsarespecial.(See
thetablebelow.)
Especially,whenreplacingaconventionalrefrigerant(R22)modelwithanewrefrigerant
R410Amodel,alwaysreplacetheconventionalpipingandflarenutswiththeR410Apiping
andarenuts.
ModelsthatuserefrigerantR410Ahaveadifferentchargingportthreaddiametertopre-
venterroneouschargingwithconventionalrefrigerant(R22)andforsafety.Therefore,
checkbeforehand.[ThechargingportthreaddiameterforR410Ais1/2-20UNF.]
Bemorecarefulthatforeignmatter(oil,water,etc.)doesnotenterthepipingthanwith
refrigerant(R22)models.Also,whenstoringthepiping,securelysealtheopeningby
pinching,taping,etc.
Whenchargingtherefrigerant,takeintoaccounttheslightchangeinthecompositionof
thegasandliquidphases.Andalwayschargefromtheliquidphasewhererefrigerant
compositionisstable.
2.2. Special tools for R410A
Tool name Contents of change
Gauge manifold
Pressureishighandcannotbemeasuredwith a conven-
tional(R22)gauge.Topreventerroneousmixing of other
refrigerants,thediameterofeachporthasbeenchanged.
Itisrecommended thegaugewith seals -0.1to5.3 MPa
(-1to53bar)forhighpressure.
-0.1to3.8MPa(-1to38bar)forlowpressure.
Charge hose
Toincreasepressureresistance,thehosematerialandbase
sizewerechanged.
Vacuum pump
A conventionalvacuumpumpcanbeusedbyinstallinga
vacuumpumpadapter.
Gas leakage detector SpecialgasleakagedetectorforHFCrefrigerantR410A.
Copper pipes
Itisnecessarytouseseamlesscopperpipesanditisdesirablethattheamountofresidual
oilisless than 40mg/10m.Do notusecopperpipeshaving a collapsed,deformedor
discoloredportion(especially on the interior surface). Otherwise, the expansion valueor
capillarytubemaybecomeblockedwithcontaminants.
AsanairconditionerusingR410AincurspressurehigherthanwhenusingR22,itisneces-
sarytochooseadequatematerials.
WARNING
Do not use the existing (for R22) piping and are nuts.
Iftheexistingmaterialsareused,thepressureinsidetherefrigerantcyclewillriseand
causefailure,injury,etc.(UsethespecialR410Amaterials.)
When installing and relocating the air conditioner, do not mix gases other than
the specied refrigerant (R410A) to enter the refrigerant cycle.
Ifairorothergasenterstherefrigerantcycle,thepressureinsidethecyclewillriseto
anabnormallyhighvalueandcausefailure,injury,etc.
AIRCONDITIONER
WallMountedType
INSTALLATION MANUAL
Contents
1. SAFETYPRECAUTIONS.................................................................. 1
2. ABOUTTHEPRODUCT.................................................................... 1
3. GENERALSPECIFICATION............................................................. 2
4. ELECTRICALREQUIREMENT......................................................... 2
5. SELECTINGTHEMOUNTINGPOSITION....................................... 2
6. INSTALLATIONWORK..................................................................... 3
7. ELECTRICALWIRING...................................................................... 5
8. FINISHING......................................................................................... 5
9. FRONTPANELREMOVALANDINSTALLATION............................. 6
10. REMOTECONTROLLERINSTALLATION........................................ 6
11. OPTIONALKITINSTALLATION........................................................ 6
12. FUNCTIONSETTING........................................................................ 9
13. TESTRUN....................................................................................... 10
14. CUSTOMERGUIDANCE................................................................ 10
15. ERRORCODES...............................................................................11
PARTNo.9333005225
EnglishРусский
[Originalinstructions] Forauthorizedservicepersonnelonly.
9333005225_IM_2L.indb 1 10/12/2017 08:48:28

Fujitsu ASYG12LMCE-R Specifications

General

Type	Split System
Technology	Inverter
Cooling Capacity	3.4 kW
Heating Capacity	4.0 kW
Energy Efficiency Ratio (EER)	3.21
Seasonal Coefficient of Performance (SCOP)	4.0
Energy Class Cooling	A++
Energy Class Heating	A+
Power Supply	220-240 V, 50 Hz
Outdoor Unit Noise Level	50 dB(A)
Refrigerant	R32
Indoor Unit Weight	9.5 kg

Summary

Safety Precautions

About the Product

Precautions for using R410 A refrigerant

Details precautions for R410A refrigerant, including pressure, piping, and handling foreign matter.

Special tools for R410 A

Lists special tools required for R410A, such as gauge manifold, charge hose, and detector.

General Specification

Electrical Requirement

Selecting the Mounting Position

Indoor unit

Guidelines for selecting the indoor unit mounting position, considering vibration, airflow, and access.

Installation Work

Installation dimensions

Specifies the required installation dimensions for the indoor unit in millimeters.

Indoor unit piping direction

Illustrates the six possible directions for connecting the indoor unit piping.

Cutting the hole in the wall for the connecting piping

Details how to cut a 65mm diameter hole in the wall for piping, ensuring proper slope.

Installing the wall hook bracket

Instructions for horizontally and vertically aligning and securely fastening the wall hook bracket.

Forming the drain hose and pipe

Guidance on binding drain hose and pipes, ensuring proper slope and insulation.

Flare connection (Pipe connection)

Covers flaring pipes, bending, and connecting pipes using flare nuts with specified torques.

Electrical Wiring

Wiring system diagram

Presents the wiring diagram for connecting indoor and outdoor units, including grounding.

Indoor unit wiring

Step-by-step instructions for wiring the indoor unit, including removing covers and connecting terminals.

How to connect wiring to the terminals

Guidance on stripping wires, using ring terminals, and tightening terminal screws correctly.

Finishing

Front Panel Removal and Installation

Front panel removal

Steps for removing the intake grille, wire cover, and front panel screws.

Front panel installation

Instructions for fitting the lower front panel, securing hooks, screws, wire cover, and intake grille.

Remote Controller Installation

Remote controller holder installation

Guidance on selecting a suitable site and securely installing the remote controller holder.

Remote controller custom setting

Steps to select and confirm the custom code for the remote controller and indoor unit.

Optional Kit Installation

Remote controller cable modification

Instructions for modifying the remote controller cable by cutting, stripping, and soldering.

Installing wired remote controller terminal external connect kit terminal (sold separately)

Steps for connecting wired remote controller or external connect kit terminals to the indoor unit board.

Installing communication box

Detailed procedures for removing covers, connectors, and installing communication and control boxes.

Function Setting

Filter sign setting

Select appropriate intervals for displaying the filter sign based on air dust levels.

Room temperature sensor control for cooling

Adjust room temperature sensor correction for cooling based on the installed environment.

Room temperature sensor control for heating

Adjust room temperature sensor correction for heating based on the installed environment.

Auto restart setting

Enable or disable automatic unit restart after a power interruption.

Room temperature sensor switching

Select whether to use indoor unit sensor, wired remote controller sensor, or both.

Remote controller custom code

Change the indoor unit custom code for wireless remote controller communication.

External input control

Select operation mode: 'Operation/Stop' or 'Forced stop'.

Room temperature sensor switching (Aux.)

Use wired remote controller temperature sensor when function 42 is set to 'Both'.

Indoor unit fan control for energy saving for cooling

Enable or disable fan power-saving during cooling when the outdoor unit is stopped.

Test Run

Customer Guidance

Error Codes