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Air-Conditioners
PUMY-SP112, SP125, SP140VKMD
PUMY-SP112, SP125, SP140YKMD
For use with R410A
INSTALLATION MANUAL
For safe and correct use, read this manual and the indoor unit installation manual thoroughly before installing
the air-conditioner unit.
English (GB)
FOR INSTALLER
2
GB
Warning:
• The unit must not be installed by the user. Ask a dealer or an authorized
techniciantoinstalltheunit.Iftheunitisinstalledincorrectly,waterleakage,
electricshock,orremayresult.
• Thisapplianceisintendedtobeusedbyexpertortrainedusersinshops,in
lightindustryandonfarms,orforcommercialusebylaypersons.
• Forinstallationwork,followtheinstructionsintheInstallationManualand
usetoolsandpipecomponentsspecicallymadeforusewithR410Arefrig-
erant.TheR410ArefrigerantintheHFCsystemispressurized1.6timesthe
pressureofusualrefrigerants.IfpipecomponentsnotdesignedforR410A
refrigerantareusedandtheunitisnotinstalledcorrectly,thepipesmayburst
andcausedamageorinjuries.Inaddition,waterleakage,electricshock,or
remayresult.
• Theunitmustbeinstalledaccordingtotheinstructionsinordertominimize
theriskofdamagefromearthquakes,typhoons,orstrongwinds.Anincor-
rectlyinstalledunitmayfalldownandcausedamageorinjuries.
• Theunitmustbesecurelyinstalledonastructurethatcansustainitsweight.
Iftheunitismountedonanunstablestructure,itmayfalldownandcause
damageorinjuries.
• Iftheairconditionerisinstalledinasmallroom,measuresmustbetakento
preventtherefrigerantconcentrationintheroomfromexceedingthesafety
limitintheeventofrefrigerantleakage.Consultadealerregardingtheappro-
priatemeasurestopreventtheallowableconcentrationfrombeingexceeded.
Shouldtherefrigerantleakandcausetheconcentrationlimittobeexceeded,
hazardsduetolackofoxygenintheroommayresult.
• Ventilatetheroomifrefrigerantleaksduringoperation.Ifrefrigerantcomes
intocontactwithaame,poisonousgaseswillbereleased.
• Allelectricworkmustbeperformedbyaqualiedtechnicianaccordingto
localregulationsandtheinstructionsgiveninthismanual.Theunitsmustbe
poweredbydedicatedpowerlinesandthecorrectvoltageandcircuitbreakers
mustbeused. Power lineswithinsufcientcapacityor incorrectelectrical
workmayresultinelectricshockorre.
• UseC1220copperphosphorus,forcopperandcopperalloyseamlesspipes,
toconnecttherefrigerantpipes.Ifthepipesarenotconnectedcorrectly,the
unitwillnotbeproperlygroundedandelectricshockmayresult.
• Useonlyspeciedcablesforwiring.Thewiringconnectionsmustbemade
securelywith notension applied on the terminalconnections. Also,never
splicethecablesforwiring(unlessotherwiseindicatedinthisdocument).
 Failuretoobservetheseinstructionsmayresultinoverheatingorare.
• Theterminalblockcoverpaneloftheoutdoorunitmustbermlyattached.If
thecoverpanelismountedincorrectlyanddustandmoistureentertheunit,
electricshockorremayresult.
• Theapplianceshallbeinstalledinaccordancewithnationalwiringregulations.
• Ifthesupplycordisdamaged,itmustbereplacedbythemanufacturer,its
serviceagentorsimilarlyqualiedpersonsinordertoavoidahazard.
• Wheninstallingorrelocating,orservicingtheairconditioner,useonlythe
speciedrefrigerant(R410A)tochargetherefrigerantlines.Donotmixitwith
anyotherrefrigerantanddonotallowairtoremaininthelines.
 Ifairismixedwiththerefrigerant,thenitcanbethecauseofabnormalhigh
pressure in the refrigerant line, and may result in an explosion and other
hazards.
 Theuseofanyrefrigerantotherthanthatspeciedforthesystemwillcause
mechanical failure or system malfunction or unit breakdown. In the worst
case,thiscouldleadtoaseriousimpedimenttosecuringproductsafety.
• UseonlyaccessoriesauthorizedbyMitsubishiElectricandaskadealeroran
authorizedtechniciantoinstallthem.Ifaccessoriesareincorrectlyinstalled,
waterleakage,electricshock,orremayresult.
• Donotaltertheunit.Consultadealerforrepairs.Ifalterationsorrepairsare
notperformedcorrectly,waterleakage,electricshock,orremayresult.
• Theusershouldneverattempttorepairtheunitortransferittoanotherloca-
tion.Iftheunitisinstalledincorrectly,waterleakage,electricshock,orre
mayresult.Iftheairconditionermustberepairedormoved,askadealeror
anauthorizedtechnician.
• Afterinstallationhasbeencompleted,checkforrefrigerantleaks.Ifrefriger-
antleaksintotheroomandcomesintocontactwiththeameofaheateror
portablecookingrange,poisonousgaseswillbereleased.
1. Safetyprecautions
► Beforeinstallingtheunit,makesureyoureadallthe“Safetyprecau-
tions”.
► Pleasereporttoortakeconsentbythesupplyauthoritybeforeconnec-
tiontothesystem.
Conrmationofpartsattached
In addition to this manual, the following part is supplied with the outdoor unit.
It is used for grounding the S terminal of transmission terminal block TB7. For details
refer to “6. Electrical work”.
Caution:
• DonotventR410Aintotheatmosphere.
1. Safety precautions .....................................................................................2
2. Installation location ....................................................................................4
3. Installing the outdoor unit ..........................................................................7
4. Installing the refrigerant piping ..................................................................7
5. Drainage piping work ...............................................................................15
6. Electrical work .........................................................................................15
7. Test run ....................................................................................................24
8. Special functions .....................................................................................25
9. Installation and operation manual for demand response (DRED) ...........26
Grounding lead wire
After installation work has been completed, explain the Safety Precautions,” use, and
maintenance of the unit to the customer according to the information in the Operation
Manual and perform the test run to ensure normal operation. Both the Installation
Manual and Operation Manual must be given to the user for keeping. These manuals
must be passed on to subsequent users.
: Indicates a part which must be grounded.
Warning:
Carefullyreadthelabelsafxedtothemainunit.
Contents
Warning:
Describesprecautionsthat mustbeobserved topreventdanger ofinjury or
deathtotheuser.
Caution:
Describesprecautionsthatmustbeobservedtopreventdamagetotheunit.
3
GB
1. Safetyprecautions
1.3. Beforeelectricwork
Caution:
• Besuretoinstallcircuitbreakers.Ifnotinstalled,electricshockmayresult.
• Forthepowerlines,usestandardcablesofsufcientcapacity.Otherwise,a
shortcircuit,overheating,orremayresult.
• When installing the power lines,donot apply tension to the cables. If the
connectionsareloosened,thecablescansnaporbreakandoverheatingor
remayresult.
1.4. Beforestartingthetestrun
Caution:
• Turnonthemainpowerswitchmorethan12hoursbeforestartingoperation.
Startingoperationjustafterturningonthepowerswitchcanseverelydamage
theinternalparts.Keepthemainpowerswitchturnedonduringtheoperation
season.
• Beforestartingoperation,checkthatallpanels,guardsandotherprotective
partsarecorrectlyinstalled.Rotating,hot,orhighvoltagepartscancause
injuries.
• Donottouchanyswitchwithwethands.Electricshockmayresult.
• Besuretogroundtheunit.Donotconnectthegroundwiretogasorwater
pipes,lightningrods,ortelephonegroundinglines.Iftheunitisnotproperly
grounded,electricshockmayresult.
• Usecircuitbreakers(groundfaultinterrupter,isolatingswitch(+Bfuse),and
moldedcasecircuitbreaker)withthespeciedcapacity.Ifthecircuitbreaker
capacityislargerthanthespeciedcapacity,breakdownorremayresult.
• Do not touch the refrigerant pipes with bare hands during operation. The
refrigerantpipesarehotorcolddependingontheconditionoftheowing
refrigerant.Ifyoutouchthepipes,burnsorfrostbitemayresult.
• Afterstoppingoperation,besuretowaitatleastveminutesbeforeturning
offthemainpowerswitch.Otherwise,waterleakageorbreakdownmayresult.
1.5. UsingR410Arefrigerantairconditioners
Caution:
• UseC1220copperphosphorus,forcopperandcopperalloyseamlesspipes,
toconnecttherefrigerantpipes.Makesuretheinsidesofthepipesareclean
anddonotcontainanyharmfulcontaminantssuchassulfuriccompounds,
oxidants,debris,ordust.Usepipeswiththespeciedthickness.(Referto
4.1.)NotethefollowingifreusingexistingpipesthatcarriedR22refrigerant.
- Replacetheexistingarenutsandarethearedsectionsagain.
- Do not use thin pipes. (Refer to 4.1.)
• Storethepipestobeusedduringinstallationindoorsandkeepbothendsof
thepipessealeduntiljustbeforebrazing.(Leaveelbowjoints,etc.intheir
packaging.)Ifdust,debris,ormoistureenterstherefrigerantlines,oildete-
riorationorcompressorbreakdownmayresult.
• Useesteroil,etheroil,alkylbenzeneoil(smallamount)astherefrigeration
oilappliedtothearedsections.Ifmineraloilismixedintherefrigeration
oil,oildeteriorationmayresult.
• DonotuserefrigerantotherthanR410Arefrigerant.Ifanotherrefrigerantis
used,thechlorinewillcausetheoiltodeteriorate.
• UsethefollowingtoolsspecicallydesignedforusewithR410Arefrigerant.
The following tools are necessary to use R410A refrigerant. Contact your
nearestdealerforanyquestions.
Tools (for R410A)
Gauge manifold Flare tool
Charge hose Size adjustment gauge
Gas leak detector Vacuum pump adapter
Torque wrench Electronic refrigerant charging scale
• Besuretousethecorrecttools.Ifdust,debris,ormoistureenterstherefriger-
antlines,refrigerationoildeteriorationmayresult.
• Donotuseachargingcylinder.Ifachargingcylinderisused,thecomposition
oftherefrigerantwillchangeandtheefciencywillbelowered.
1.2. Beforeinstallation(relocation)
Caution:
• Beextremelycarefulwhentransportingtheunits. ormorepersonsareTwo
neededtohandletheunit,asitweighs20kgormore.Donotgraspthepack-
agingbands.Wearprotectiveglovestoremovetheunitfromthepackaging
andtomoveit,asyoucaninjureyourhandsonthensorotherparts.
• Besuretosafelydisposeof the packagingmaterials.Packagingmaterials,such
as nails and other metal or wooden parts may cause stabs or other injuries.
• Thebaseandattachmentsoftheoutdoorunitmustbeperiodicallychecked
forlooseness,cracksorotherdamage.Ifsuchdefectsareleftuncorrected,
theunitmayfalldownandcausedamageorinjuries.
• Donotcleantheairconditionerunitwithwater.Electricshockmayresult.
• Tightenallarenutstospecicationusingatorquewrench.Iftightenedtoo
much,thearenutcanbreakafteranextendedperiodandrefrigerantcan
leakout.
1.1. Beforeinstallation
Caution:
• Donotusetheunitinanunusualenvironment.Iftheairconditionerisinstalled
inareasexposedtosteam,volatileoil(includingmachineoil),orsulfuricgas,
areasexposedtohighsaltcontentsuchastheseaside,orareaswherethe
unitwillbecoveredbysnow,theperformancecanbesignicantlyreduced
andtheinternalpartscanbedamaged.
• Donotinstalltheunitwherecombustiblegasesmayleak,beproduced,ow,
oraccumulate.Ifcombustiblegasaccumulatesaroundtheunit,reorexplo-
sionmayresult.
• Theoutdoorunitproducescondensationduringtheheatingoperation.Make
suretoprovidedrainagearoundtheoutdoorunitifsuchcondensationislikely
tocausedamage.
• Wheninstallingtheunitinahospitalorcommunicationsofce,bepreparedfor
noiseandelectronicinterference.Inverters,homeappliances,high-frequency
medicalequipment,andradiocommunicationsequipmentcancausetheair
conditionertomalfunctionorbreakdown.Theairconditionermayalsoaffect
medicalequipment,disturbingmedicalcare,andcommunicationsequipment,
harmingthescreendisplayquality.

Produktspecifikationer

Varumärke: Mitsubishi
Kategori: Luftkonditionering
Modell: PUMY-SP125YKMD

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