Denso RT1 Manuel utilisateur

RT1 AIR CONDITIONING UNIT
OWNERS MANUAL
DENSO AUTOMOTIVE SYSTEMS AUSTRALIA PTY LTD
AL00Z00004E
Published: October 2012
REV #1: May 2013
DENSO AUTOMOTIVE SYSTEMS AUSTRALIA PTY. LTD.
2-46 Merrindale Drive
Croydon Victoria 3136
tel: 03 8761 1449
email: [email protected]
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Operation 1
1. Foreword 2
2. Inventory 2
3. GeneralInformation 3
4. Controls 5
5. Operation 8
6. Maintenance 10
7. TechnicalData 11
8. TroubleShooting 13
TABLEOFCONTENTS
© DENSO AUTOMOTIVE SYSTEMS AUSTRALIA PTY. LTD.
May 2013
All rights reserved.
This book may not be reproduced or copied, in whole or in
part, without the written permission of the publisher.
DENSO reserves the rights to make changes without
prior notice.

Operation 2
Indicatesapossibilitythat“improperhandlingbytheusermay
resultindeathorseriousinjury”.
Indicatesapossibilitythat“improperhandlingbytheuser,may
resultininjuryand/ormaterialloss”.
1.FOREWORD
DENSO’sRT1air-conditioningunitisdesignedforinstallationontherooftopoffixedroof
caravansandmotorhomes.Beforeusingtheunit,pleasetaketimetoreadthismanualin
detail,andfollowtheinstructionsonhowtooperatethisproduct.Keepthismanualinyour
caravan,andshouldyoueverdecidetosellyourcaravan,pleasemakesuretopassthis
manualontothenextowner.
1.1DEFINITIONOFTERMS
SYMBOLS MEANINGS
!WARNING
CAUTION
!
2.INVENTORY
Yourair-conditionerunitcomprisesthefollowingitems.
1.ExternalRoofTopunit
2.AirDistributionUnit
RemoteControlUnit
includingawallbracket
andbatteries
3.
NOTE:Imagesnottoscale

Operation 3
The ability of the air-conditioner to maintain a desired temperature depends
upon theheatenteringorleavingyourvehicle.Thefollowingsimpleguidelines
shouldbefollowedtoachievethebestcomfort,lowestenergyuseandquietest
operatingnoise.
a. Parkyourvehicleinashadedarea.
b. Keepallwindows,doors,curtainandblindsclosedwhileoperating.
c. Selecthigherfanspeedsforhighercoolingperformance.
d. Switchyourair-conditionertocoolingearlyintheday,beforetheinterior
ofthevehiclehasbecometoohot.
e. Iftheinteriorofthevehicleisalreadyhotterthantheoutsideair,briefly
opendoorsandwindowstoexhaustthehotairbeforestartingthe
air-conditionercooling.
f. Avoidusingstovesandovensthataddheattothevehicle’sinterior
whiletheair-conditioneriscooling.
3.GENERAL INFORMATION
3.1
Inhumidconditions,theoperationofanair-conditionercancausetheformationof
condensateoncoldsurfacesinsideyourvehicle.Caremustbetakentoprevent
thiscondensatefromdamagingpersonalitems,orcausingabuildupofmould.
Itemsthat may be damaged by thecondensate must be kept clear ofthe air
distributionunit.Inrarecircumstances,condensatecanformonthisunitduring
use.Shouldtherebeformationofcondensate,allowittodrythoroughlyafteruse.
3.2
NOTE: Condensation can be reduced by keeping all doors and windows closed during
air-conditioner operation, preventing humid air from entering the vehicle. The likelihood of
condensation on the air distribution unit can be reduced by ensuring that the caravan is properly
sealed, preventing entry of moisture laden air.
WARNING
All electrical work and permanent wiring must be carried out by an appropriately
qualifiedpersoninaccordancewithnationalwiringregulationsandallotherapplicable
localcodesandregulatoryauthorityrequirements.
Repair to electrical components by non-certified technicians may result in death,
personalinjuryand/ordamagetotheunit.Allelectricalcomponentsreplacedmustbe
genuinereplacementparts,purchasedfromanauthorisedreseller.
!

Operation 4
WARNING
Thisapplianceisnotintendedforusebypersons(includingchildren)withreduced
physical,sensoryormentalcapabilities,orlackofexperienceorknowledge,unless
theyaresupervisedandgiveninstructionsconcerningtheuseoftheappliancebya
personresponsiblefortheirsafety.
Children must be supervised at all times to ensure that they do not play with this
appliance.
Priorto operation,familiariseyourselfwith thelocationof thesafetycircuitbreaker
andisolation switch fortheair-conditioner onyourcaravan.Intheevent of afault
ordamage,switchoffthepowersupply,andcontactanapprovedserviceagentfor
assistance.
a. Onlyalicencedelectricianmayreplacetheunitfuse.Thefuseis
locatedintheelectricalcontrolhousinginsidetherooftopunit.Fuse
ratingis250V/500VAC,10A,T-Delay,5x20mmsuppliedbyDENSO.
b. Thesafetycircuitbreakermustbeswitchedto‘off’positionto
disconnectitfromthepowersupplybeforeanydisassemblyorrepairs.
c. Theair-conditionerusestherefrigerantR410aunderhighpressure.It
isbothdangerousandillegaltotamperwiththesealedrefrigerant
systemwithoutappropriatelicensing.Intentionalreleaseofrefrigerant
isillegalinAustraliaandNewZealand.
Theairintake,exhaustandcondensatedrainonthesidesoftheexternalunit
must be kept clear of any material that may block airflow or water drainage.
Failuretokeeptheseareasclearcouldcausepoorperformance,waterleakage
intoyourvehicleandpermanentdamagetotheair-conditioner.
Theair-conditionermustneverbeoperatedwhilethevehicleismoving.Before
operatingtheair-conditioner,ensurethatthevehicleisparkedwiththeunittilted
nomorethan5˚fromthehorizontal.
Thisunitisdesignedtobeoperatedon230-240V50Hzpowerfromtheelectricity
gridorasinewaveinverterequippedgenerator.Therecommendedgenerator
capacityforthisunitis2.4kVAContinousPower.Whenchoosingagenerator,
pleasebearinmindthatotherdevicesandappliancesmayaddtothedemandon
thegenerator.Inthiscase,thegeneratorcapacityshouldbeselectedaccordingly.
3.3
3.4
!

Operation 5
4.CONTROLS
4.1REMOTECONTROL
A/ Power
On/Offswitch
B/ Temperature Decrease
Lowerstothedesiredroomtemperature(16-30˚C)
C/ Temperature increase
Raisestothedesiredroomtemperature(16-30˚C)
D/ Fan Speed
Cyclestheinteriorfanthrough3speedsettings.

Operation 6
E/ Timer
(i) On Timer
Pressingthisbuttonwhiletheunitisoffwillsettheontimer.Each
buttonpressadds1hourtothewaittimeuntiltheunitstarts
(1-12hours).Aftercyclingthrough12hours,thenextbuttonpresswill
cancelthe‘on’timer.
(ii)Off Timer
Pressingthisbuttonwhiletheunitisonwillsettheofftimer.Each
buttonpressadds1hourtothewaittimeuntiltheunitstops
(1-12hours).Aftercyclingthrough12hours,thenextbuttonpresswill
cancelthe‘off’timer.
F/ Mode
Cyclesthroughthe3modesofairconditioneroperation.
(i) Fan Mode
Usedforventilationonly.Fanspeedcanbechangedbetweenlow,
mediumandhighbypressingD-FanSpeed.
(ii) Cooling Mode
Thecompressorandexternalfanwilloperateautomaticallytocool
thecabintoachievethedesiredtemperature.Fanspeedcanbe
adjustedbetweenlow,mediumandhighbypressingD-FanSpeed.
(iii)Heating Mode
Thecompressorandexternalfanwillautomaticallyoperate
toheatthecabintoachievethedesiredtemperature.Theinteriorfan
speedcanbeadjustedbetweenlow,mediumandhighbypressing
pressingD-FanSpeedtoachieveanoptimumheatingperformance.
G/ Quick Cool
Theair-conditionerwillchangetomaximumcoolingmodeand
maximumfanspeedforaperiodof15minutesduringwhichtheQuick
CoolIndicatorKwillilluminate.After15minutes(orifthequickcool
buttonGispressedagain)theair-conditionerwillresumeoperation
withtheprevioussettings.

Operation 7
H/ Directional Airow Controls
Verticalairflowdirectionalcontrol.
I/ Power Indicator (Blue)
Illuminateswhentheair-conditionerisswitchedon.
J/ Infrared Remote Control Receiver
Electronicreceiverforremotecontrolsignal.
K/ Quick Cool Mode Indicator (White)
Illuminateswhiletheair-conditionerisoperatinginquickcoolmode.
4.2UNIT
HIJKH

Operation 8
5. OPERATION
CAUTION
Alwaysensurethatthecaravan’spowersupplycordisfullyuncoiledbeforeoperating
theunittopreventoverheating.
Switchtheair-conditioneronbypressingthePowerButton(A)ontheremote
controlwhileaimingthecontrolinthedirectionoftheInfraredRemoteControl
Receiver(J)ontheceilingmountedairdistributionunit.Theair-conditionerwill
beepandthePowerIndicator(I)willilluminatetoacknowledgethesignal.
Setthedesiredoperatingmode(Fan,CoolingorHeating),FanSpeed(low,Medium
orHigh)andthedesiredtemperature(16-30˚C).Theinteriorfan,exteriorfanand
compressorwilloperateautomaticallydependinguponthesettingschosen.Fan
speedshouldbeselectedmanuallytothelowestlevelthatachievesthedesired
roomtemperature.
5.1
5.2
5.3
ThePowerindicator(I)willilluminatebrieflywhenthepowersupplyisconnectedand
switchedon.
Once the desired room temperature is reached, the air-conditioner will cycle the
compressorandexteriorfantomaintainthetemperaturelevel.
Iftheair-conditionercannotreachacomfortabletemperatureincoolingmode,increase
thefanspeedtoincreaseperformance.
Thedesiredtemperaturecanbeadjustedifyouaretoohotorcold.
SwitchtheunitoffbypressingthePowerbutton(A)ontheremotecontrol.The
PowerIndicator(I)willextinguish.
Alternatively,theunitcanbesettoswitchoffautomaticallyusingtheOffTimer.While
theunitisswitchedon,presstheTimerbutton(E)ontheremotecontrolrepeatedlyuntil
thedisplayshowsthedesirednumberofhoursuntiltheairconditionerwillswitchoff.
NOTE: Whenever the remote control is used, it must be aimed in the direction of the Infrared
Remote Receiver (J) on the Air Distribution Unit from a distance of less than 8m. The air
distribution unit will beep once and the Power Indicator (I) will ash once to acknowledge the
command.
Ensurethatthecaravanisconnectedtoaclean230-240Vpowersupply.Ifconnected
toagenerator,itmustbeofthesine-wavetype,andadequatelyrated.
!

Operation 9
Thecompressorandexteriorfanspeedaremicroprocessorcontrolledtoautomatically
ensurealonglifeforyourair-conditionerwhilemaintainingthebestpossiblecomfort.
Dependingupontheconditionsandair-conditionersettings,youmaynoticesomeof
thefollowing:
a. Automatic Compressor Start Protection: Thecompressorstartmaybe
delayedforupto3minutesafterselectingcoolingorheatingmode.
b. Exterior Fan Speed:Theexteriorfanmayswitchbetweenhighandlow
speedstominimizetheoperatingnoiseoftheairconditionerforyouandyour
neighbours.
c. Cooling Operating Range: Thecompressormaynotoperateincooling
modeiftheoutsidetemperatureisgreaterthan45°Cinordertoprotectthe
refrigerantsystem.
d. Heating Operating Range: Theairconditionerisdesignedtooperatein
heatingmodewhentheoutsidetemperatureisbetween0-25°C.Ifthe
temperatureisoutsidethisrangethecompressormaynotoperateinorderto
protecttherefrigerantsystem.
e. Preheat: Theinteriorfanwillnotswitchoninheatingmodeuntiltheair-
conditionerhaswarmedupsufficientlytodelivercomfortablywarmair.At
verylowtemperaturesthiscouldtakeupto10minutesfromthestartofthe
compressorandexteriorfan.
f. De-icing:Theair-conditioneroperatesasaheatpumpwheninheatingmode.
Heatisdrawnfromtheoutsideairtowarmthevehicle.Astheoutsideair
temperaturedrops,lessheatisavailabletotheair-conditioneranda
decreaseintheheatingperformancemaybenoticed.Whentheoutside
temperatureisverylow(below8°C)icemayformonthecondenserinthe
air-conditioner.Themicroprocessorcontrolhasafullyautomaticprotection
functionthatwillremovetheicewhenrequired.Dependinguponthe
conditions,youmaynoticethecompressor,interiorandexteriorfansswitching
offasoftenasevery15minutestoprotectyourair-conditionerandprovide
maximumcomfort.
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