Contents
1. Safety precautions
►
Before installing the unit, make sure you read all the “Safety precautions”.
►Pleasereporttoortakeconsentbythesupplyauthoritybeforeconnec-
tion to the system.
►EquipmentcomplyingwithIEC/EN61000-3-12
(PUHZ-RP100/125/140VKA)
►PUHZ-RP200/250Y
“ThisequipmentcomplieswithIEC61000-3-12providedthattheshort-
circuitpowerSsc isgreaterthanorequaltoSsc(*1)attheinterfacepoint
betweentheuser’ssupplyandthepublicsystem.Itistheresponsibility
oftheinstalleroruseroftheequipmenttoensure,byconsulationwith
thedistributionnetworkoperatorifnecessary,thattheequipmentis
connectedonlytoasupplywithashort-circuitpowerSsc greater than or
equaltoSsc(*1)”
Ssc(*1)
Model Ssc (MVA)
PUHZ-RP200Y 1.35
PUHZ-RP250Y 1.49
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:
Carefullyreadthelabelsafxedtothemainunit.
Warning:
• Theunitmustnotbeinstalledbytheuser.Askadealeroranauthorized
techniciantoinstalltheunit.Iftheunitisinstalledincorrectly,waterleak-
age,electricshock,orremayresult.
• Forinstallationwork,followtheinstructionsintheInstallationManualand
usetoolsandpipecomponentsspecicallymadeforusewithR410Are-
frigerant.TheR410ArefrigerantintheHFCsystemispressurized1.6times
thepressureofusualrefrigerants.Ifpipecomponentsnotdesignedfor
R410Arefrigerantareusedandtheunitisnotinstalledcorrectly,thepipes
mayburstandcausedamageorinjuries.Inaddition,waterleakage,elec-
tricshock,orremayresult.
• Theunitmustbeinstalledaccordingtotheinstructionsinordertomini-
mizetheriskofdamagefromearthquakes,typhoons,orstrongwinds.An
incorrectlyinstalledunitmayfalldownandcausedamageorinjuries.
• Theunit mustbesecurelyinstalled onastructurethatcansustainits
weight.Iftheunitismountedonanunstablestructure,itmayfalldown
andcausedamageorinjuries.
• Iftheheatpumpunitisinstalledinasmallroom,measuresmustbetaken
topreventtherefrigerantconcentrationintheroomfromexceedingthe
safetylimitintheeventofrefrigerantleakage.Consultadealerregarding
theappropriatemeasurestopreventtheallowableconcentrationfrombe-
ingexceeded.Shouldtherefrigerantleakandcausetheconcentrationlimit
tobeexceeded,hazardsduetolackofoxygenintheroommayresult.
• Ventilatetheroomifrefrigerantleaksduringoperation.Ifrefrigerantcomes
intocontactwithaame,poisonousgaseswillbereleased.
• Allelectricworkmustbeperformedbyaqualiedtechnicianaccordingto
localregulationsandtheinstructionsgiveninthismanual.Theunitsmust
bepoweredbydedicatedpowerlinesandthecorrectvoltageandcircuit
breakersmustbeused.Powerlineswithinsufcientcapacityorincorrect
electricalworkmayresultinelectricshockorre.
• UseC1220copper phosphorus,forcopperand copperalloyseamless
pipes,toconnecttherefrigerantpipes.Ifthepipesarenotconnectedcor-
rectly,theunitwillnotbeproperlygroundedandelectricshockmayresult.
• Useonlyspeciedcablesforwiring.Thewiringconnectionsmustbemade
securelywithnotensionappliedontheterminalconnections.Also,never
splicethecablesforwiring(unlessotherwiseindicatedinthisdocument).
Failuretoobservetheseinstructionsmayresultinoverheatingorare.
• Theterminalblockcoverpaneloftheoutdoorunitmustbermlyattached.
Ifthecoverpanelismountedincorrectlyanddustandmoistureenterthe
unit,electricshockorremayresult.
• Wheninstallingorrelocating,orservicingtheheatpumpunit,useonlythe
speciedrefrigerant(R410A)tochargetherefrigerantlines.Donotmixit
withanyotherrefrigerantanddonotallowairtoremaininthelines.
Ifairismixedwiththerefrigerant,thenitcanbethecauseofabnormalhighpres-
sureintherefrigerantline,andmayresultinanexplosionandotherhazards.
Theuseofanyrefrigerantotherthanthatspeciedforthesystemwillcause
mechanicalfailureorsystemmalfunctionorunitbreakdown.Intheworst
case, this could lead to a serious impediment to securing product safety.
• UseonlyaccessoriesauthorizedbyMitsubishiElectricandaskadealer
oranauthorizedtechniciantoinstallthem.Ifaccessoriesareincorrectly
installed,waterleakage,electricshock,orremayresult.
• Donotaltertheunit.Consultadealerforrepairs.Ifalterationsorrepairsare
notperformedcorrectly,waterleakage,electricshock,orremayresult.
• Theusershouldneverattempttorepairtheunitortransferittoanother
location.Iftheunitisinstalledincorrectly,waterleakage,electricshock,
orremayresult.Iftheheatpumpunitmustberepairedormoved,aska
dealeroranauthorizedtechnician.
• Afterinstallationhasbeencompleted,checkforrefrigerantleaks.Ifrefrig-
erantleaksintotheroomandcomesintocontactwiththeameofaheater
orportablecookingrange,poisonousgaseswillbereleased.
1.1. Before installation
Caution:
• Donotusetheunitinanunusualenvironment.Iftheheatpumpunitis
installedinareasexposedtosteam,volatileoil(includingmachineoil),or
sulfuricgas,areasexposedtohighsaltcontentsuchastheseaside,or
areaswheretheunitwillbecoveredbysnow,theperformancecanbesig-
nicantlyreducedandtheinternalpartscanbedamaged.
• Donotinstalltheunitwherecombustiblegasesmayleak,beproduced,
ow,oraccumulate.Ifcombustiblegasaccumulatesaroundtheunit,re
orexplosionmayresult.
Warning:
Describesprecautionsthatmustbeobservedtopreventdangerofinjuryor
death to the user.
Caution:
Describesprecautionsthatmustbeobservedtopreventdamagetotheunit.
• The outdoor unit produces condensation during the heating operation.
Makesuretoprovidedrainagearoundtheoutdoorunitifsuchcondensa-
tion is likely to cause damage.
• Wheninstallingtheunitinahospitalorcommunicationsoffice,bepre-
paredfornoiseandelectronicinterference.Inverters,homeappliances,
high-frequencymedicalequipment,andradiocommunicationsequipment
cancausetheheatpumpunittomalfunctionorbreakdown.Theheatpump
unitmayalsoaffectmedicalequipment,disturbingmedicalcare,andcom-
municationsequipment,harmingthescreendisplayquality.
Note:ThissymbolmarkisforEUcountriesonly.
Thissymbolmarkisaccordingtothedirective2002/96/ECArticle10InformationforusersandAnnexIV.
Your MITSUBISHI ELECTRIC product is designed and manufactured with high quality materials and components which can be recycled and reused.
This symbol means that electrical and electronic equipment, at their end-of-life, should be disposed of separately from your household waste.
Please, dispose of this equipment at your local community waste collection/recycling centre.
In the European Union there are separate collection systems for used electrical and electronic product.
Please, help us to conserve the environment we live in!
Caution:
•DonotventR410AintotheAtmosphere:
•R410AisaFluorinatedGreenhousegas,coveredbytheKyotoProtocol,withaGlobalWarmingPotential(GWP)=1975.
1.Safetyprecautions.................................................. 2
2.Installationlocation................................................. 3
3.Installingtheoutdoorunit............................................ 5
4. Installing the refrigerant piping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
5.Drainagepipingwork................................................ 9
6.Electricalwork.................................................. 10
7.Testrun....................................................... 12
8. Initial settings for refrigerant leakage detection function . . . . . . . . . . . . . . . . . . 12
9.SpecialFunctions ............................................... 13
10.Systemcontrol(Fig.10-1)........................................ 13
BH79D132L01_EN.indd 2 2012/10/19 (金) 午前 9:49:55
