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1. Safety precautions
►Before installing the unit, make sure you read all the “Safety precau-
tions”.
►Pleasereporttoortakeconsentbythesupplyauthoritybeforeconnec-
tiontothesystem.
►EquipmentcomplyingwithIEC/EN61000-3-12
(PUZ-HWM140VHA)
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,orfiremayresult.
• Forinstallationwork,followtheinstructionsintheInstallationManualand
usetoolsandpipecomponentsspecificallymadeforusewithR32refriger-
ant.TheR32refrigerantintheHFCsystemispressurized1.6timesthepres-
sureofusualrefrigerants.IfpipecomponentsnotdesignedforR32refriger-
antareusedandtheunitisnotinstalledcorrectly,thepipesmayburstand
causedamageorinjuries.Inaddition,waterleakage,electricshock,orfire
mayresult.
• Wheninstallingtheunit,useappropriateprotectiveequipmentandtoolsfor
safety.
Failuretodosocouldcauseinjuries.
• Theunitmustbeinstalledaccordingtotheinstructionsinordertomini-
mizetheriskofdamagefromearthquakes,typhoons,orstrongwinds.An
incorrectlyinstalledunitmayfalldownandcausedamageorinjuries.
• Theunitmustbesecurelyinstalledonastructurethatcansustainits
weight.Iftheunitismountedonanunstablestructure,itmayfalldown
andcausedamageorinjuries.
• Iftheoutdoorunitisinstalledinasmallroom,measuresmustbetakento
preventtherefrigerantconcentrationintheroomfromexceedingthesafe-
tylimitintheeventofrefrigerantleakage.Consultadealerregardingthe
appropriatemeasurestopreventtheallowableconcentrationfrombeing
exceeded.Shouldtherefrigerantleakandcausetheconcentrationlimitto
beexceeded,hazardsduetolackofoxygenintheroommayresult.
• Ventilatetheroomifrefrigerantleaksduringoperation.Ifrefrigerant
comesintocontactwithaflame,poisonousgaseswillbereleased.
• Allelectricworkmustbeperformedbyaqualifiedtechnicianaccordingto
localregulationsandtheinstructionsgiveninthismanual.Theunitsmust
bepoweredbydedicatedpowerlinesandthecorrectvoltageandcircuit
breakersmustbeused.Powerlineswithinsufficientcapacityorincorrect
electricalworkmayresultinelectricshockorfire.
• Thisapplianceisintendedtobeusedbyexpertortrainedusersinshops,
inlightindustryandonfarms,orforcommercialusebylaypersons.
• Useonlyspecifiedcablesforwiring.Thewiringconnectionsmustbe
madesecurelywithnotensionappliedontheterminalconnections.Also,
neversplicethecablesforwiring(unlessotherwiseindicatedinthisdocu-
ment).
Failuretoobservetheseinstructionsmayresultinoverheatingorafire.
• Ifthesupplycordisdamaged,itmustbereplacedbythemanufacturer,its
serviceagentorsimilarlyqualifiedpersonsinordertoavoidhazard.
• Theapplianceshallbeinstalledinaccordancewithnationalwiringregula-
tions.
• Theterminalblockcoverpaneloftheoutdoorunitmustbefirmlyattached.
Ifthecoverpanelismountedincorrectlyanddustandmoistureenterthe
unit,electricshockorfiremayresult.
• Wheninstallingorrelocating,orservicingtheoutdoorunit,useonlythe
specifiedrefrigerant(R32)tochargetherefrigerantlines.Donotmixit
withanyotherrefrigerantanddonotallowairtoremaininthelines.
Ifairismixedwiththerefrigerant,thenitcanbethecauseofabnormal
highpressureintherefrigerantline,andmayresultinanexplosionand
otherhazards.
Theuseofanyrefrigerantotherthanthatspecifiedforthesystemwillcause
mechanicalfailureorsystemmalfunctionorunitbreakdown.Intheworst
case,thiscouldleadtoaseriousimpedimenttosecuringproductsafety.
• Useonlyauthorizedaccessoriesandaskadealeroranauthorizedtechni-
ciantoinstallthem.Ifaccessoriesareincorrectlyinstalled,waterleakage,
electricshock,orfiremayresult.
• Donotaltertheunit.Consultadealerforrepairs.Ifalterationsorrepairs
arenotperformedcorrectly,waterleakage,electricshock,orfiremay
result.
• Theusershouldneverattempttorepairtheunitortransferittoanother
location.Iftheunitisinstalledincorrectly,waterleakage,electricshock,or
firemayresult.Iftheoutdoorunitmustberepairedormoved,askadealer
oranauthorizedtechnician.
Warning:
Describesprecautionsthatmustbeobservedtopreventdangerofinjuryor
deathtotheuser.
Caution:
Describesprecautionsthatmustbeobservedtopreventdamagetotheunit.
Note:ThissymbolmarkisforEUcountriesonly.
Thissymbolmarkisaccordingtothedirective2012/19/EUArticle14InformationforusersandAnnexIX.
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:
•DonotventR32intotheAtmosphere:
1. Safety precautions................................................ 1
2. Installation location ............................................... 3
3. Installing the outdoor unit .......................................... 7
4. Water piping work ................................................ 8
5. Electrical work .................................................. 10
6. System control ................................................. 12
7. Specications .................................................. 12
8. Serial number .................................................. 12
MEANINGSOFSYMBOLSDISPLAYEDONTHEUNIT
WARNING
(Risk of re)
This mark is for R32 refrigerant only. Refrigerant type is written on nameplate of outdoor unit.
In case that refrigerant type is R32, this unit uses a ammable refrigerant.
If refrigerant leaks and comes in contact with re or heating part, it will create harmful gas and there is risk of re.
Read the OPERATION MANUAL carefully before operation.
Service personnel are required to carefully read the OPERATION MANUAL and INSTALLATION MANUAL before operation.
Further information is available in the OPERATION MANUAL, INSTALLATION MANUAL, and the like.
Contents
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