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Fujitsu UTY-TWRX 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
Indicatesapotentiallyor imminentlyhazardoussituationwhich,if not avoided,couldresultin 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
Indicatesapotentially hazardoussituation that may resultin minor ormoderate injuryor 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
1
Thismanual
Terminalblock
(withwire)
1
Forconnectingthe
wiredremotecontrol
unit to the indoor unit
mainPCB.
Screw(M4x25)
1
Forinstallingtheterminal
blocktotheindoorunit.
Name and shape Q'ty Description
Screw(M4x14)
1
Forinstallingthecable
to the indoor unit.
Cableclamper
1
Forinstallingthecable
to the indoor unit.
CommunicationPCB
1
Forconnectingthe
remotecontrollertothe
indoor unit.
Holder
2
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
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
b
a
(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
Disconnect
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(1) Replacethecontrolboxcover(2screws).
Screw
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)
c
Pressdownon4places.
Intake grille installation
Cut
Knockoutholes
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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