Fujitsu UTY-LRHYA2 Installation guide

Brand: Fujitsu

Model: UTY-LRHYA2

Category: Split-system air conditioners

Type: Installation guide

This manual is also suitable for

1 STANDARD PARTS

The following installation parts are supplied. Use them as required.

Name and Shape Q’ty Application Name and Shape Q’ty Application

Receiver unit

For receiving the signal

from the remote controller

Remote controller

Use for air conditioner

operation

Strap

Prevent receiver kit from

falling down

Battery

For remote controller

Screw (ø3 × 12)

For installing remote

controller holder to wall

Remote

controller holder

Use as remote controller

holder

3 INSTALLING THE RECEIVER KIT

1. REMOVING THE CONTROL BOX COVER

①

Remove the screws.(2 places)

②

Slide the CONTROL BOX COVER in the direction of the arrow.

③

Remove the CONTROL BOX COVER.

Slide

CONTROL BOX COVER

Slide

CONTROL BOX COVER

2. INSTALLING THE RECEIVER UNIT

①

 Mountthecorner(guretothedrainpipe)ofthedecorationpanelthathasthe“DISPLAY”markontotheRECEIVERUNIT.

Pipe side

Drain side

CAUTION

ThiscornermustbemountedontotheRECEIVERUNIT.

2 FUNCTIONS

ECONOMY LAMP

(green)

TIMER LAMP

(orange)

OPERATION LAMP

(green)

MANUAL AUTO

SIGNAL RECEIVER

②

 InsertthewirefromtheRECEIVERUNITintothewiringholeasshowninthegurebelowandpullitintotheDecoration

panel.

Wiring hole

Wire from RECEIVER UNIT

RECEIVER UNIT

③

 HangtheSTRAPonthehookoftheDecorationpanel.

 Afterthat,mounttheRECEIVERUNITontotheDecorationpanel.

Decoration Panel

Hook

Strap

3. WIRING

①

Connect the connector to the board in the CONTROL BOX.

②

 BundletheFLAPwires(2)totheRECEIVERUNITwireasshowninthegurebelow.

Wire from RECEIVER UNIT

Wire for FLAP

4. INSTALLING THE CONTROL BOX COVER

①

 SecuretheCONTROLBOXCOVERintheprocedurethatisreversetothestepsin“1.REMOVINGTHECONTROLBOX

COVER”.

Receiver Kit

INSTALLATION INSTRUCTION SHEET

(PART No. 9378782051)

For authorized service personnel only.

WARNING

Thismarkindicatesprocedureswhich,ifimproperlyperformed,mightleadtothedeathorseriousinjuryofthe

user.

①

Fortheairconditionertooperatesatisfactorily,installitasoutlinedinthisinstallationinstructionsheet.

②

Installationworkmustbeperformedinaccordancewithnationalwiringstandardsbyauthorizedpersonnelonly.

③

Donotturnonthepoweruntilallinstallationworkiscomplete.

•Letthecustomerkeepthisinstallationinstructionsheetbecauseitisneededwhentheairconditionerorreceiverkitisservicedor

moved.

CAUTION

Thismarkindicatesprocedureswhich,ifimproperlyperformed,mightpossiblyresultinpersonalharmtothe

user,ordamagetoproperty.

①

Donotwirethereceiverkitwiretogetherwithorparalleltotheconnectioncables,transmissioncords,remotecontrollercords,bus

wireandpowersupplycordsoftheindoorandoutdoorunits.Itmaycauseerroneousoperation.

②

Donotinstallthereceiverkitwirenearasourceofelectromagneticwaves.

4 TURNING ON THE BREAKER

①

Turn on the breaker.

②

 Makesurethattheoperationlampandtimerlampareslowlyashingalternately.

• Iftheautorestartfunctionhasbeenset,theairconditionerwilloperatewiththesettingsimmediatelybeforethepowersup-

ply was turned off.

• Ifanerrorhasoccurred,thelampsonthereceiverunitwillashquicklytoindicatetheerrorcode.

5 REMOTE CONTROLLER SETTING

1. LOAD BATTERIES (R03/LR03 × 2)

①

Press and slide the battery compartment lid on the reverse side to open it.

Slide in the direction of the arrow while pressing the

mark.

②

 Insertbatteries.

Be sure to align the battery polarities (

) correctly.

③

Close the battery compartment lid.

CAUTION

①

Take care to prevent infants from accidentally swallowing batteries.

②

Whennotusingtheremotecontrollerforanextendedperiod,removethebatteriestoavoidpossibleleakageanddamageto

the unit.

③

Ifleakingbatteryuidcomesincontactwithyourskin,eyes,ormouth,immediatelywashwithcopiousamountsofwater,and

consult your physician.

④

 Deadbatteriesshouldberemovedimmediatelyanddisposedofproperly,eitherinabatterycollectionreceptacleortothe

appropriate authority.

⑤

Donotattempttorechargedrybatteries.

NOTES

• Nevermixnewandusedbatteries,orbatteriesofdifferenttypes.

• Batteries should last about one year under normal use. If the remote controller’s operating range becomes appreciably

reduced,replacethebatteriesandpresstheRESETbuttonwiththetipofaballpointpenorothersmallobject.

UTY-LRHYA2_0521.indd 1 2012/05/21 14:34:50

PARTNo.9378782051

STEP 2

Selecting the Function Number and Setting Value

①

Press the SET TEMP. (

) ( ) buttons to select the func-

tion number.

 (Press the MODE button to switch between the left and

right digits.)

②

 PresstheFANbuttontoproceedtosettingthevalue.

 (PresstheFANbuttonagaintoreturntothefunctionnum-

ber selection.)

③

Press the SET TEMP. ( ) ( ) buttons to select the set-

ting value.

 (Press the MODE button to switch between the left and

right digits.)

④

 PresstheTIMERMODEbutton,andSTART/STOPbutton,

intheorderlistedtoconrmthesettings.

⑤

Press the RESET button to cancel the function setting

mode.

⑥

 AftercompletingtheFUNCTIONSETTING,besuretoturn

off the power and turn it on again.

Function number

Setting value

CAUTION

Afterturningoffthepower,wait30secondsormorebefore

turning on it again.

The FUNCTION SETTING doesn’tbecome effective if it

doesn’tdoso.

Filter sign

The indoor unit has a sign to inform the user that it is time to

cleanthelter.Selectthetimesettingfortheltersigndisplay

interval in the table below according to the amount of dust

ordebrisintheroom.Ifyoudonotwishtheltersigntobe

displayed,selectthesettingvaluefor“Noindication”.

( ... Factory setting)

Setting description

Function

number

Setting value

Standard(2,500hours)

Longinterval(4,400hours)

Shortinterval(1,250hours)

No indication

CHECK ITEMS

(1) Is operation of each button on the remote controller

normal?

(2) Doeseachlamplightnormally?

(3) Isthedrainnormal?

(4) Isthereanyerrornoiseandvibrationduringoperation?

• Donotoperatetheairconditionerintherunningstatefora

long time.

• Testrunning

When the air conditioner is run by pressing the remote

controllerTESTRUNbutton,the OPERATION andTIMER

lampsashslowlyatthesametime.

[OPERATION METHOD]

• Fortheoperationmethod,refertotheoperatingmanual.

• The outdoor unit may not operate depending on the room

temperature. In this case, press the TEST RUN button on

the remote controller while the air conditioner is running.

(Point the transmitter section of the remote controller toward

the air conditioner and press the TEST RUN button with the

tipofaball-pointpen,etc.)

Transmitter section

TEST RUN button

•

To endtestoperation,press theremotecontrollerSTART/

STOP button.

(When the air conditioner is run by pressing the TEST RUN

button,theOPERATIONindicatorlampandTIMERindica-

torlampwillsimultaneouslyashslowly.)

[ERROR CONTENTS]

Error display Wired

remote

controller

Error code

Description

OPERATION

lamp

(green)

TIMER

lamp

(orange)

ECONOMY

lamp

(green)

●(1) ●(1) ◊

Serial communication

error

●(1) ●(2) ◊

Wired remote controller

communication error

●(1) ●(5) ◊

Checkrununnished

●(2) ●(1) ◊

R.C. address or

Refrigerant circuit address

setting error

[Simultaneous Multi]

●(2) ●(2) ◊

Indoorunitcapacityerror

●(2) ●(3) ◊

Combination error

●(2) ●(4) ◊

•ConnectionR.C.address

error (indoor secondary

unit)

[Simultaneous Multi]

•ConnectionR.C.address

error

(indoor unit or branch unit)

[Flexible Multi]

●(2) ●(7) ◊

Primaryunit,secondary

unit setup error

[Simultaneous Multi]

●(3) ●(1) ◊

Power supply interruption

error

8 TEST RUN

 The air conditioner signal code is set toA prior to ship-

ment. Contact your retailer to change the signal code.

The remote controller resets to signal codeA when the

batteriesintheremotecontrollerarereplaced.Ifyouusea

signalcodeotherthansignalcodeA,resetthesignalcode

after replacing the batteries.

Ifyoudonotknowtheairconditionersignalcodesetting,

try each of the signal codes ( ) until you nd

the code which operates the air conditioner.

When two or more air conditioners are installed in a room and

the remote controller is operating an air conditioner other than

theoneyouwishtoset,changethesignalcodeoftheremote

controller to operate only the air conditioner you wish to set (four

selections possible).

When two or more air conditioners are installed in a room,

please contact your retailer to set the individual air conditioner

signal codes.

• Conrmthesettingoftheremotecontrollersignalcodeand

the printed circuit board setting.

 If these are not conrmed,the remote controller cannot be

used to operate for the air conditioner.

Selecting the Remote Controller Signal Code

Use the following steps to select the signal code of the remote

controller. (Note that the air conditioner cannot

receive a signal code if the air conditioner has

not been set for the signal code.)

①

 Press the START/STOP button until only

the clock is displayed on the remote con-

troller display.

②

 Pressthe MODE button for at least five

seconds to display the current signal code

(initially set to

③

Press the SET TEMP. (

) ( ) but-

ton to change the signal code between

Match the code on the display to the air

conditioner signal code.

④

 PresstheMODEbuttonagaintoreturnto

the clock display. The signal code will be

changed.

7 SELECTING THE REMOTE CONTROLLER SIGNAL CODE

6 FUNCTION SETTING

• Thisprocedurechangestothefunctionsettingsusedtocontroltheindoorunitaccordingtotheinstallationconditions.Incorrect

settings can cause the indoor unit malfunction.

• After the power is turnedon, perform the “FUNCTION SETTING” according to the installation conditions using the remote

controller.

• Thesettingsmaybeselectedbetweenthefollowingtwo:FunctionNumberorSettingValue.

• Settingswillnotbechangedifinvalidnumbersorsettingvaluesareselected.

Entering the Function Setting Mode

• While pressing the FANbutton and SET TEMP. ( ) simultaneously, press the RESET button to enter the function setting

mode.

STEP 1

Setting the Remote Controller Signal Code

Use the following steps to select the signal code of the remote controller. (Note that the air con-

ditioner cannot receive a signal code if the air conditioner has not been set for the signal code.)

The signal codes that are set through this process are applicable only to the signals in the

FUNCTIONSETTING.Fordetailsonhowtosetthesignalcodesthroughthenormalprocess,

refertoSELECTINGTHEREMOTECONTROLLERSIGNALCODE.

①

Press the SET TEMP. ( ) ( ) button to change the signal code between .

Match the code on the display to the air conditioner signal code. (initially set to

)

 (Ifthesignalcode does not need to be selected, press the MODE button and proceedto

STEP 2.)

②

 PresstheTIMERMODEbuttonandcheckthattheindoorunitcanreceivesignalsatthedis-

played signal code.

③

 PresstheMODEbuttontoacceptthesignalcode,andproceedtoSTEP2.

 TheairconditionersignalcodeissettoApriortoshipment.

Contact your retailer to change the signal code.

 Theremotecontroller resetstosignalcodeAwhen thebatteriesinthe remotecontrollerarereplaced. Ifyouusea signal

codeotherthansignalcodeA,resetthesignalcodeafterreplacingthebatteries.

 Ifyoudonotknowtheairconditionersignalcodesetting,tryeachofthesignalcodes( )untilyoundthecode

which operates the air conditioner.

Heating room temperature correction

Dependingontheinstalledenvironment,theroomtemperature

sensor may require a correction.

The settings may be changed as shown in the table below.

( ... Factory setting)

Setting description

Function

number

Setting value

Standard

Lower control 01

Slightly warmer control 02

Warmer control 03

Auto restart

Enable or disable automatic system restart after a power

outage.

( ... Factory setting)

Setting description

Function

number

Setting value

Yes

No 01

*Autorestartisanemergencyfunctionsuchasforpower

failureetc.Donotstartandstoptheindoorunitbythis

function in normal operation. Be sure to operate by the

controlunit,orexternalinputdevice.

Wireless remote controller signal code

ChangetheindoorunitSignalCode,dependingonthewireless

remote controllers.

Ifnobuttonsarepressedwithin30secondsafterthesignal

codeisdisplayed,thesystemreturnstotheoriginalclock

display.Inthiscase,startagainfromstep1.

●(3) ●(2) ◊

IndoorunitPCBmodel

information error

●(3) ●(5) ◊

Manual auto switch error

●(4) ●(1) ◊

Inletairtemp.sensorerror

●(4) ●(2) ◊

IndoorunitHeatEx.

Middle temp. sensor error

●(5) ●(1) ◊

Indoorunitfanmotorerror

●(5) ●(3) ◊

Drainpumperror

●(5) ●(7) ◊

Dampererror

●(5) ●(15) ◊

Indooruniterror

●(6) ●(2) ◊

Outdoor unit main PCB

model information error or

communication error

●(6) ●(3) ◊

Invertererror

●(6) ●(4) ◊

Activeltererror,PFC

circuit error

●(6) ●(5) ◊

Trip terminal L error

●(6) ●(10) ◊

DisplayPCB

microcomputers

communication error

●(7) ●(1) ◊

Dischargetemp.sensor

error

●(7) ●(2) ◊

Compressor temp. sensor

error

●(7) ●(3) ◊

Outdoor unit Heat Ex.

liquid temp. sensor error

●(7) ●(4) ◊

Outdoor temp. sensor

error

●(7) ●(5) ◊

SuctionGastemp.sensor

error

●(7) ●(6) ◊

•2-wayvalvetemp.

sensor error

•3-wayvalvetemp.

sensor error

●(7) ●(7) ◊

Heat sink temp. sensor

error

●(8) ●(2) ◊

•Sub-coolHeatEx.gas

inlet temp. sensor error

•Sub-coolHeatEx.gas

outlet temp. sensor error

●(8) ●(3) ◊

Liquid pipe temp. sensor

error

●(8) ●(4) ◊

Current sensor error

●(8) ●(6) ◊

•Dischargepressure

sensor error

•Suctionpressuresensor

error

•Highpressureswitch

error

●(9) ●(4) ◊

Trip detection

●(9) ●(5) ◊

Compressor rotor position

detection error (permanent

stop)

●(9) ●(7) ◊

Outdoor unit fan motor 1

error

●(9) ●(8) ◊

Outdoor unit fan motor 2

error

●(9) ●(9) ◊

4-way valve error

●(9) ●(10) ◊

Coil (expansion valve )

error

●(10) ●(1) ◊

Dischargetemp.error

●(10) ●(3) ◊

Compressor temp. error

●(10) ●(4) ◊

High pressure error

●(10) ●(5) ◊

Low pressure error

●(13) ●(2) ◊

Branch boxes error

[Flexible Multi]

Displaymode●:0.5sON/0.5sOFF

◊:0.1sON/0.1sOFF

():Numberofashing

5 REMOTE CONTROLLER SETTING

2. REMOTE CONTROLLER HOLDER INSTALLATION

CAUTION

①

Checkthattheindoorunitcorrectlyreceivesthesignalfromtheremotecontroller,theninstalltheremotecontrollerholder.

②

Selecttheremotecontrollerholderselectionsitebypayingcarefulattentiontothefollowing:

Avoidplacesindirectsunlight.

Selectaplacethatwillnotbeaffectedbytheheatfromastove,etc.

• Installtheremotecontrollerwithadistanceof7mbetweentheremotecontrollerandthesignalreceiverasthecriteria.How-

ever,wheninstallingtheremotecontroller,checkthatitoperatespositively.

• Installtheremotecontrollerholdertoawall,pillar,etc.withthetappingscrew

①

Mount the Holder.

②

Set the remote controller.

③

To remove the remote controller

(when use at hand).

Screws

Insert

Press in

Slide up

Pull out

Ceiling height

Select the setting values in the table below according to the

height of the ceiling.

( ... Factory setting)

Setting description

Function

number

Setting value

Standard (3.2m)

High ceiling (4.2m)

(30model:3.6m)

Lowceiling(2.7m) 02

Theceilingheightvaluesareforthe4-wayoutlet.Donot

change this setting in the 3-way outlet mode.

Outlet directions

Select the setting values in the table below for using a 3-way

outlet.

( ... Factory setting)

Setting description

Function

number

Setting value

4-way

3-way 01

Vertical direction adjusting scope

Topreventfromdraft,werecommendusing“upwardmode”.

( ... Factory setting)

Setting description

Function

number

Setting value

Standard

Upward 01

Outlet cross section

Cooling room temperature correction

Dependingontheinstalledenvironment,theroomtempera-

ture sensor may require a correction.

The settings may be selected as shown in the table below.

( ... Factory setting)

Setting description

Function

number

Setting value

Standard

Slightly lower control 01

Lower control 02

Warmer control 03

( .. Factory setting)

Setting description

Function

number

Setting value

B 01

C 02

D 03

External input control

“Operation/Stop” mode or “Forced stop” mode can be

selected.

( .. Factory setting)

Setting description

Function

number

Setting value

Operation/Stopmode

(Setting forbidden) 01

Forced stop mode 02

Setting record

•Recordanychangestothesettingsinthefollowingtable.

Setting Setting value

(1) Filter sign

(2) Ceiling height

(3) Outlet directions

(4)Verticaldirectionadjustingscope

(5)Coolerroomtemperaturecorrection

(6)Heaterroomtemperaturecorrection

(7)Autorestart

(8)Wirelessremotecontrollersignalcode

(9)Externalinputcontrol

AftercompletingtheFUNCTIONSETTING,besuretoturnoff

the power and turn it on again.

UTY-LRHYA2_0521.indd 2 2012/05/21 14:35:07

Fujitsu UTY-LRHYA2 Installation guide

Brand: Fujitsu

Model: UTY-LRHYA2

Category: Split-system air conditioners

Type: Installation guide

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Fujitsu UTY-LRHYA2 Installation guide

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