GB-1
1. Safety precautions
●ReadallSafetyInstructionsbeforeinstallation,
settingup,oruseoftheWi-Fiinterface.
●Thisinstallationmanualcontainsimportant
safetyinformation.Besuretocomplywiththe
instructions.
● AfterinstallingtheWi-Fiinterface,providethis
installationmanualfortheuser.Instructusersto
storeitwiththeirindoorunitinstructionmanualin
asafelocation.
1.Safetyprecautions..........................................................................................1
2.ProductIntroduction.......................................................................................5
3.Parts...............................................................................................................5
4.ConnectingtheWi-Fiinterface.......................................................................6
5.Specications.................................................................................................8
Contents
About Wi-Fi interface
ThisWi-Fiinterface,communicatesthestatusinformationandcontrolsthecommandsfromthe
MELCloudbyconnectingtoanindoorunit.
●SomeindoorunitsarenotcompatiblewiththeWi-Fiinterface.Makesurethattheindoorunitis
compatiblewiththeWi-FiinterfacebeforeattemptingtoinstalltheWi-Fiinterface.
[Precautions for installation]
Warning
(Improperhandlingmayhaveseriousconsequences,includingseriousinjuryordeath.)
■ Do not install the Wi-Fi interface by yourself
(user).
Improperinstallationmayresultinre,electric
shock,injuryduetofalloftheWi-Fiinterface,or
waterleaks.Consultthedealerfromwhomyou
purchasedtheWi-Fiinterfaceorprofessional
installer.
■ The Wi-Fi Interface should be securely
installed in accordance with this installation
manual.
Improperinstallationmayresultinre,electric
shock,ordamage,orfalloftheWi-Fiinterface.
■ The Wi-Fi interface should be mounted in a
location that can support its weight.
IftheWi-Fiinterfaceisinstalledinalocation
thatcannotsupportitsweight,theWi-Fiinter-
facecouldfallandcausedamage.
■ Connect and fasten the electric wires se-
curely so external force on the wires will not
apply on the terminals.
Improperconnectionandmountingmayresult
inbreakdown,heatgeneration,smokegenera-
tion,orre.
■ Mitsubishi Electric’s components or other
designated components must be used for
installation.
Impropercomponentmayresultinre,electric
shock,ordamage/waterleaks.
■ Electric work must be performed by author-
ized personnel in accordance with the local
regulations and the instructions detailed in
the installation manual.
Inadequatecircuitcapacityorimproperinstalla-
tionmayresultinelectricshockorre.
■ Do not connect the Wi-Fi interface to earth
inside the indoor unit.
■ Attach the electrical cover to the indoor unit
securely.
Iftheelectricalcoveroftheindoorunitsisnot
attachedsecurely,itcouldresultinareoran
electricshockduetodust,water,etc.
■ When installing the Wi-Fi interface, use
appropriate protective equipment and tools
for safety.
Failuretodosocouldcauseinjury.
■ Turn off the breaker or unplug the power
supply plug of the indoor unit when con-
necting the Wi-Fi interface.
Failuretodosocouldcauseelectricshock.
■ Make sure to connect the connecter of
the Wi-Fi interface to the P.C. board of the
indoor unit properly.
Incompleteconnectingormountingmayresult
inbrokenwire,heatgeneration,smokegenera-
tion,orre.
■ Do not install the Wi-Fi interface nearby the
automatic control devices such as auto-
matic doors or re alarms.
Itcancauseaccidentsduetomalfunctions.
■ Do not disassemble, modify, or repair by
yourself.
Itcancauseelectricshock,re,orinjury.
Note [ATW (Air-to-water) indoor unit only]:
The software of ATW indoor unit needs to be upgraded before using the Wi-Fi interface.
Refer to the website of MELCloud for information about the models that need to be upgraded
and the way to obtain and upgrade the software.
JG79Y198H01_01_en.indd 1 11/24/2016 10:35:08 AM