Troy-Bilt MXZ-3A30NA User's Manual | Page 2

Troy-Bilt Air Conditioners User's Manual - MXZ-3A30NA.
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1.  BEFORE INSTALLATION

1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
• Besuretoread“THEFOLLOWINGSHOULDALWAYSBEOBSERVEDFORSAFETY”beforeinstallingtheairconditioner.

• Besuretoobservethewarningsandcautionsspecifiedhereastheyincludeimportantitemsrelatedtosafety.
• Afterreadingthismanual,besuretokeepittogetherwiththeOPERATINGINSTRUCTIONSforfuturereference.

1-3. SPECIFICATIONS

 

CAUTION

(Couldleadtoseriousinjuryinparticularenvironmentswhenoperatedincorrectly.)

n  Do not install the unit by yourself (user).

 Incompleteinstallationcouldcausefireorelectricshock,injuryduetothe

unitfalling,orleakageofwater.Consultthedealerfromwhomyoupur-

chasedtheunitoraqualifiedinstaller.

n  Perform the installation securely referring to the installation manual.

 Incompleteinstallationcouldcausefireorelectricshock,injuryduetothe

unitfalling,orleakageofwater.

n  Install the unit securely in a place which can bear the weight of the 

unit.

If the installation location cannot bear the weight of the unit, the unit

couldfallcausinginjury.

Perform electrical work according to the installation manual and be 

sure to use an exclusive circuit. Do not connect other electrical appli-
ances to the circuit.

 If the capacity of the power circuit is insufficient or there is incomplete

electricalwork,itcouldresultinafireoranelectricshock.

Do not damage the wires by applying excessive pressure with parts 

or screws.

 Damagedwirescouldcausefire.

Be sure to cut off the main power in case of setting up the indoor P.C. 

board or wiring works.

Failuretodosocouldcauseelectricshock.

n

 Usethespecifiedwirestoconnecttheindoorandoutdoorunitsse-

curelyandattachthewiresfirmlytotheterminalblockconnecting
sections so the stress of the wires is not applied to the sections.

 Incompleteconnectingandsecuringcouldcausefire.

n

Donotinstalltheunitinaplacewhereinflammablegasmayleak.

Ifgasleaksandaccumulatesintheareaaroundtheunit,itcouldcause
anexplosion.

n  Do not use intermediate connection of the power cord or the exten-

sion cord and do not connect many devices to one AC outlet.

 Itcouldcauseafireoranelectricshockduetodefectivecontact,defec-

tiveinsulation,exceedingthepermissiblecurrent,etc.

n

Besuretousethepartsprovidedorspecifiedpartsfortheinstalla-
tion work.

 Theuseofdefectivepartscouldcauseaninjuryorleakageofwaterdue

toafire,anelectricshock,theunitfalling,etc.

When plugging the power supply plug into the outlet, make sure 

that there is no dust, clogging, or loose parts in both the outlet and 
the plug. Make sure that the power supply plug is pushed complete-
ly into the outlet. 

 Ifthereisdust,clogging,orloosepartsonthepowersupplyplugorthe

outlet,itcouldcauseelectricshockorfire.Ifloosepartsarefoundonthe

powersupplyplug,replaceit.

Attach the electrical cover to the indoor unit and the service panel 

to the outdoor unit securely.

Iftheelectricalcoveroftheindoorunitand/ortheservicepanelofthe

outdoor unit are not attached securely, it could result in a fire or an
electricshockduetodust,water,etc.

When installing or relocating the unit, make sure that no sub-

stanceotherthanthespecifiedrefrigerant(R410A)entersthe
refrigerant circuit.

 Any presence of foreign substance such as air can cause abnormal

pressureriseoranexplosion.

Do not discharge the refrigerant into the atmosphere. If refrigerant 

leaks during installation, ventilate the room.

 Ifrefrigerantcomesincontactwithafire,harmfulgascouldbegener-

ated.

Check that the refrigerant gas does not leak after installation has 

been completed.

 Ifrefrigerantgasleaksindoors,andcomesintocontactwiththeflame

of a fan heater, space heater, stove, etc., harmful substances will be
generated.

Use appropriate tools and piping materials for installation. 

ThepressureofR410Ais1.6timesmorethanR22.Notusingappropri-
atetoolsormaterialsandincompleteinstallationcouldcausethepipes

toburstorinjury.

When pumping down the refrigerant, stop the compressor before 

disconnecting the refrigerant pipes.

If the refrigerant pipes are disconnected while the compressor is run-
ningandthestopvalveisopen,aircouldbedrawninandthepressure

in the refrigeration cycle could become abnormal y high. This could

causethepipestoburstorinjury.

When installing the unit, securely connect the refrigerant pipes 

before starting the compressor.

Ifthecompressorisstartedbeforetherefrigerantpipesareconnected
and when the stop valve is open, air could be drawn in and the pres-

sure in the refrigeration cycle could become abnormal y high. This

couldcausethepipestoburstorinjury.

n

Fastenaflarenutwithatorquewrenchasspecifiedinthis
manual.

 Iffastenedtootight,aflarenutmaybreakafteralongperiodandcause

refrigerantleakage.

The unit shall be installed in accordance with national wiring regu-

lations. 

n  Ground the unit correctly.

Do not connect the ground to a gas pipe, water pipe, lightning rod or
telephoneground.Defectivegroundingcouldcauseelectricshock.

n   Install an ground leakage breaker depending on the installation 

place.

If an ground leakage breaker is not installed, it could cause electric
shock.

n  Perform the drainage/piping work securely according to the installa-

tion manual.

If there is defect in the drainage/piping work, water could drop from the
unit,soakinganddamaginghouseholdgoods.

n

 Donottouchtheairinletorthealuminumfinsoftheoutdoor

unit.

 Thiscouldcauseinjury.
n  Do not install the outdoor unit where small animals may live.

If small animals enter and touch the electric parts inside the unit, it

couldcauseamalfunction,smokeemission,orfire.Also,adviseuser
tokeeptheareaaroundtheunitclean.

Model

Powersupply

Pipelengthandheightdifference*2,*3,*4,*8

Rated

Voltage

Frequency

Max.pipelengthperindoor

unit/formulti-system

Max.

heightdifference

Max.no.ofbendsperin-

doorunit/formultisystem

RefrigerantadjustmentA

*5

MXZ-3A30NA
MXZ-4A36NA

208/

230V

60Hz

25m(82ft)/70m(230ft)

15m(49ft)

25/70

20g/m(1.06ozeach5ft)

 WARNING

(Couldleadtodeath,seriousinjury,etc.)

Phillipsscrewdriver
Level
Scale

Utilityknifeorscissors

Torquewrench

Wrench(orspanner)

4mm(5/32in.)hexagonalwrench
FlaretoolforR410A

GaugemanifoldforR410A
VacuumpumpforR410A
ChargehoseforR410A
Pipecutterwithreamer

1-2. REQUIRED TOOLS FOR INSTALLATION

*1Neverusepipeswiththicknesslessthanspecified.Thepressureresist-

ancewillbeinsufficient.

*2Useacopperpipeoracopper-alloyseamlesspipe.
*3Becarefulnottocrushorbendthepipeduringpipebending.

*4Refrigerantpipebendingradiusmustbe100mm(4in.)ormore.

*5Ifpipelengthexceeds40m(131ft),additionalrefrigerant(R410A)charge

is required. (No additional charge is required for pipe length less than

40m(131ft).)

Additionalrefrigerant(m)=A×(pipelength(m)-40)

 Additionalrefrigerant(ft) =A× (pipelength(ft)-131)

5

*6Insulationmaterial:Heatresistingfoamplastic0.045specificgravity

*7Besuretousetheinsulationofspecifiedthickness.Excessivethickness

maycauseincorrectinstal ationoftheindoorunitandinsufficientthick-

nessmaycausedewdrippage.

*8 Iftheoutdoorunitisinstalledhigherthantheindoorunit,max.height

differenceisreducedto10m(33ft).

SG79Y871H02.indb   2

9/7/2007   1:09:33 PM

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