Mitsubishi MUFZ-KJ09NAHZ-U1 User Manual

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Electricalspecications

MODEL

MFZ-KJ09NA

MFZ-KJ12NA

MFZ-KJ15NA MFZ-KJ18NA

INDOORUNIT

Powersupply(V,PHASE,Hz) 208/230,1,60

Min.CircuitAmpacity (A) 1.0

Fanmotor(F.L.A.) (A) 0.62 0.72

OUTDOORUNIT

Powersupply(V,PHASE,Hz) 208/230,1,60

Max.Fusesize(timedelay)(A) 15 20

Min.CircuitAmpacity (A) 11 16

Fanmotor(F.L.A.) (A) 0.50 0.93

Compressor

(R.L.A.) (A) 8.2 12.0

(L.R.A.) (A) 10.3 15.0

Controlvoltage

Indoorunit-Remotecontroller:(Wireless)

Indoorunit-Outdoorunit:DC12-24V(Polar)

Pipe

Outside

diameter

Minimum

wallthick-

ness

Insulation

thickness

Insulation

material

inch(mm)

Forliquid MFZ-KJ09/12/15/18NA 1/4(6.35)

0.0315

(0.8)

5/16(8)

Heatresistant

foamplastic

0.045Specic

gravity

Forgas

MFZ-KJ09/12NA 3/8(9.52)

0.0315

(0.8)

5/16(8)

MFZ-KJ15/18NA 1/2(12.7)

0.0315

(0.8)

5/16(8)

Limits

Pipelength

MFZ-KJ09/12NA 65ft.(20m)max.

MFZ-KJ15/18NA 100ft.(30m)max.

Heightdifference

MFZ-KJ09/12NA 40ft.(12m)max.

MFZ-KJ15/18NA 50ft.(15m)max.

No.ofbends 10max.

Pipelength

Upto25ft.(7.5m) Noadditionalchargeisrequired.

Exceeding25ft.(7.5m)

Additionalchargeisrequired.

(Refertothetablebelow.)

Refrigeranttobe

added

MFZ-KJ09/12NA 1.08ozeach5ft.(20g/m)

MFZ-KJ15/18NA 1.62ozeach5ft.(30g/m)

1-3. SPECIFICATIONS

1-3-1. POWER SUPPLY AND INDOOR/OUTDOOR

WIRE CONNECTION

• Powershouldbetakenfromanexclusivebranchedcircuit.

•

Wiringworkshouldbebasedonapplicabletechnicalstandards.

• Wiringconnectionsshouldbemadefollowingthediagram.

• Securelytightenscrews.

Connecting wires and the ground wire

• Use solid conductor Min.AWG14 or stranded conductor

Min.AWG14.

• Usedoubleinsulatedcopperwirewith600Vinsulation.

• Usecopperconductorsonly.

 *Followlocalelectricalcodes.

Power supply cable and ground wire

• Usesolidorstrandedconductor.

 KJ09/12NA Min.AWG14

 KJ15/18NA Min.AWG12

• Usecopperconductorsonly.

 *Followlocalelectricalcodes.

Note:

Whentheindoorunitispoweredfromtheoutdoorunit,depend-

ingonlocalcode,adisconnectswitchneedstobeinstalledtoa

powersupplycircuit.

1-3-2. REFRIGERANT PIPES

• Topreventcondensation,insulatethetworefrigerantpipes.

• Refrigerantpipebendingradiusmustbe4in.(100mm)ormore.

CAUTION

Besuretousetheinsulationofspeciedthickness(tableonthe

right).Excessiveinsulationmaycauseincorrectinstallationof

theindoorunit,andtoolittleinsulationmaycausecondensate

toform.

• Theunit hasaredconnectionsonbothindoorandoutdoor

sides.

• Removethevalvecoverfromtheoutdoorunit,thenconnect

thepipe.

• Refrigerantpipesareusedtoconnecttheindoorandoutdoor

units.

• Becarefulnottocrushoroverbendthepipeinpipebending.

• Refrigerantadjustment...Ifpipelengthexceeds25ft.(7.5m),

additionalrefrigerant(R410A)chargeisrequired.

(Theoutdoorunitischargedwithrefrigerantforpipelengthup

to25ft.[7.5m])

1-2. SELECTING THE INSTALLATION LOCATION

INDOOR UNIT

• Whereairowisnotblocked.

• Whereairspreadsovertheentireroom.

• Rigidwallandatoorwithoutvibration.

• Whereitis notexposedtodirectsunlight.Do not

exposetodirectsunlightalsoduringtheperiodfol-

lowingunpackingtobeforeuse.

• Whereeasilydrained.

• Atadistance3ft.(1m)ormoreawayfrom your

TVandradio.Operationoftheairconditionermay

interferewithradioorTVreception.Anampliermay

berequiredfortheaffecteddevice.

• Inaplaceasfarawayaspossiblefromuorescent

andincandescentlights.Inordertomaketheinfrared

remotecontroloperatetheairconditionernormally.

Theheatfromthelightsmaycausedeformationor

theultravioletmaycausedeterioration.

• Wheretheairltercanberemovedandreplaced

easily.

• Whereitisawayfromtheotherheatorsteamsource.

REMOTE CONTROLLER

• Whereitiseasytooperateandeasilyvisible.

• Wherechildrencannottouchit.

• Selectthepositionwheretheindoorunitcanreceive

thesignalfromtheremotecontrollerproperly.Check

thatsignalsfromtheremotecontrolleraresurelyre-

ceivedbytheindoorunitfromthatposition(‘beep’or

‘beepbeep’receivingtonesounds).Afterthat,attach

remotecontrollerholdertoapillarorwallandinstall

wirelessremotecontroller.

Note:

Inrooms where inverter type uorescent lamps are

used, the signal from the wireless remote controller

maynotbereceived.

OUTDOOR UNIT

• Whereitisnotexposedtostrongwind.

• Whereairowisgoodanddustless.

• Whererainordirectsunlightcanbeavoidedasmuch

aspossible.

• Whereneighbours are not annoyed by operation

soundorhotair.

• Whererigidwallorsupportisavailabletoprevent

theincreaseofoperationsoundorvibration.

• Wherethereisnoriskofcombustiblegasleakage.

• Wheninstallingtheunitatahighlevel,besureto

securetheunitlegs.

• Whereitisatleast10ft.(3m)awayfromtheantenna

ofTVsetorradio.Operationoftheairconditionermay

interferewithradioorTVreceptioninareaswhere

receptionisweak.Anampliermayberequiredfor

theaffecteddevice.

• Installtheunithorizontally.

• Pleaseinstallitinanareanotaffectedbysnowfall

orblowingsnow.Inareaswithheavysnow,please

install a canopy, a pedestal and/or some bafe

boards.

Note:

Itisadvisabletomakeapipingloopnearoutdoorunit

soastoreducevibrationtransmittedfromthere.

Note:

Whenoperatingtheairconditionerinlowoutside

temperature,besuretofollowtheinstructions

describedbelow.

• Neverinstalltheoutdoorunitinaplacewhereitsair

inlet/outletsidemaybeexposeddirectlytowind.

• Topreventexposuretowind,installtheoutdoor

unitwithitsairinletsidefacingthewalland

abafe

boardontheairoutletside.

Avoidthefollowingplacesforinstallationwhereair

conditionertroubleisliabletooccur.

• Whereammablegascouldleak.

• Wherethereisanexcessiveamountofmachine

oilintheair.

• Whereoilissplashedorwheretheareaislled

withoilysmoke(suchascookingareasandfac-

tories,inwhichthepropertiesofplasticcouldbe

changedanddamaged).

• Saltyplacessuchastheseaside.

• Wheresuldegasisgeneratedsuchashotspring,

sewage,wastewater.

•

Wherethereishigh-frequencyor wireless equip-

ment.

• WherethereisemissionofhighlevelsofVOCs,

including phthalate compounds, formaldehyde,

etc.,whichmaycausechemicalcracking.

JG79Y071H02_en.indd 2 2016/01/21 13:19:59

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Mitsubishi MUFZ-KJ09NAHZ-U1 Cooling And Heating Outdoor Unit

User Manual - Page 3