Fujitsu UTY-TWRX Installation guide

Brand: Fujitsu

Model: UTY-TWRX

Type: Installation guide

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AIR CONDITIONER

OPTIONAL PARTS

Terminal block kit for 2-wire remote controller

INSTALLATION MANUAL

For authorized service personnel only.

PART No. 9380828068-02

1. SAFETY PRECAUTIONS

• Handthismanualtothecustomertokeepforfutureuse,suchasforrelocatingorrepairingtheproduct.

WARNING

Indicatesapotentiallyor imminentlyhazardoussituationwhich,if not avoided,couldresultin death or

serious injury.

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

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

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

Dischargestaticelectricitybeforetheinstallation.

CAUTION

Indicatesapotentially hazardoussituation that may resultin minor ormoderate injuryor damage to

property.

Donotwiretheterminalblockkitwiretogetherwithorparalleltotheconnectioncables,transmissioncables,remotecontroller

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

Donottouchthealuminumnintheindoorunit.

Wheninstalling,donotcutorpinchthewireswiththefrontpanelorcontrolboxcover.Anelectricshockmayoccurifwiresaredamaged.

2. ABOUT THE UNIT

Thisoptionistoinstallawiredremotecontrollertothewall-mountedtypeairconditioner.Beforeinstalling,pleasehavethe

installationmanualoftheindoorunitonhandfordetailedinformation.

2.1. Parts and accessories

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

Name and shape Q'ty Description

Installation

manual

Thismanual

Terminalblock

(withwire)

Forconnectingthe

wiredremotecontrol

unit to the indoor unit

mainPCB.

Screw(M4x25)

Forinstallingtheterminal

blocktotheindoorunit.

Name and shape Q'ty Description

Screw(M4x14)

Forinstallingthecable

to the indoor unit.

Cableclamper

Forinstallingthecable

to the indoor unit.

CommunicationPCB

Forconnectingthe

remotecontrollertothe

indoor unit.

Holder

Forattachingthe

communicationPCBto

themainPCB.

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(5) Pullthefrontpanelforwardraisingtheuppersurface,to

removethefrontpanel.

Front

panel

(6) Remove2screws,thenremovethecontrolboxcover.

Controlbox

cover

Screw

3. INSTALLATION WORK

NOTES:

Thefollowinginstallationproceduresareexamples.Forotherapplicableproducts,pleaserefertotheinstallationmanualofthe

indoor unit.

3.1. Front panel, control box cover removal

(1) Opentheintakegrille.Whilegentlypressingtheleftand

rightmountingshaftsoftheintakegrilleoutward“a”,

removetheintakegrilleindirectionofthearrow“b”.

Intake grille removal

(2) Remove4caps.

(3) Removewirecoverscrew,thenremovethewirecover.

(4) Remove10screws.

Wirecoverscrew

Screws

(10places)

Caps(4places)

Wire cover

3.2. Installing the terminal block

(1) Attachtheterminalblocktotheindoorunitfirmlywith1screw(M4x25,accessory).

(2) Placethewiringasperthefigure.

Placethewiresfromtheterminal

blockundertheotherwires.

(Frontview)

Terminalblock(withwire)

(Rightsideview)

Placewireunderthetab.

IndoorunitmainPCB

Screw(M4x25)

(accessory)

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(3) ConnectthewiresfromtheterminalblocktotheindoorunitmainPCBbyinsertingtoconnector(CN12).

(4) SettheDIPswitchto“2WIRE”,thendisconnectthejumper(JM9)asindicated.

(IndoorunitmainPCB)

Terminalblock

wires

Connector(CN12)

CAUTION

Becarefulnottodamagethepartsontheboard.Otherwise,itwillcausemalfunction.

Ensurethattheconnectorisproperlyinserted.Otherwise,itmayresultinerroneousoperation.

3.3. Connecting the remote controller cable

(1) Attachtheremotecontrollercabletotheterminalblock.Positionthewiressothatthecolorsmatch.

 Fordetails,refertotheinstallationmanualoftheremotecontroller.

(2) Installthecableasshowninthefollowingphotographs.Besuretoplacethewiringunderthetabs.

(3) Fixthecablewiththecableclamperandscrew(M4x14,accessory).

Tab

Cableclamperandscrew

(M4x14,accessory)

Remotecontroller

cable

Red

White

(Frontview)

(Rightview)

CAUTION

Donotconnectthewiredremotecontrollertotheterminalforpowersupply.

Whenconnectingthewiredremotecontrollerwiththeindoorunit,pleaseusetheconnectingcablesuppliedwiththewired

remotecontroller.

Recommendedcablelengthofwiredremotecontrolleris10m.Makesuretoinsulatetheconnectingpartswhenextendingthecable.

2WIRE/3WIRE

JM9

Disconnect

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(1) Replacethecontrolboxcover(2screws).

Screw

(2)Openaholeinthefrontpanelfortheremote

controllercabletopassthrough.

 *Choosefrom4knockoutholesmarkedonthe

insideofthefrontpanel.

(3) Replacethefrontcover.

 First,insertthehookonthelowerpartofthefront

panel(5places),thenfitthehooksonthetop

(3places).

(4) Replacethe10screws.

(5) Replacethewirecover(1screw).

(6) Replacethe4caps.

(7) Replacetheintakegrille.Latcheachshaftoftheintake

grilleproperly,byinsertingtheshaft(asin“c”)untilit

clicks.

Front panel

Tophooks

(3places)

Topholes(3places)

Indoor unit

Middlehooks

(5places)

Middlehooks

(5places)

Pressdownon4places.

Intake grille installation

Cut

Knockoutholes

Front panel

3.5. Front panel, control box cover replacement

Reinstallbyreversingtheprocedurein“3.1.Frontpanel,controlboxcoverremoval”.

3.4. Installing the communication PCB to the indoor unit main PCB

(1) Attachtheholders(accessories)totheindoorunitmainPCB.

Holetoinsertholder.

Holders(accessories)

(2) InsertthecommunicationPCBbetweentheholders.Besuretoinsertitfirmly.

Insertconnectorrmly.

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Fujitsu UTY-TWRX Installation guide

Fujitsu UTY-TWRX Installation guide

Fujitsu UTY-TWRX Installation guide

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