Mitsubishi 864810 User Manual

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En-4

2-1.INSTALLINGTHEUNIT

• Besuretoxtheunit’slegswithboltswheninstallingit.

• Besuretoinstalltheunitrmlytoensurethatitdoesnotfallbyanearthquakeoragust.

• Refertothegureintherightforconcretefoundation.

• Donotusethedrainsocketandthedraincapsinthecoldregion.Drainmayfreezeanditmakesthefanstop.

2-2.CONNECTINGWIRESFOROUTDOORUNIT

• Besuretousespecialcircuitsforroomairconditioner.

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

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

• Screwsshouldbetightenedsotheywon’tloosen.

ELECTRICAL SPECIFICATIONS

OUTDOOR UNIT MXZ-3C24NA2 MXZ-3C30NA2 MXZ-4C36NA2

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

Max. Fuse size (time delay) (A) 25

Min. Circuit Ampacity (A) 22.1 23.1

Fan motor (F.L.A) 2.43 2.43

Compressor

(R.L.A) 12 12

(L.R.A) 13.7 13.7

Controlvoltage

Indoor unit-Remote controller : (Wireless)

Indoorunit-Outdoorunit:DC12-24V

1-3/8in.

(35mm)

5/8in.

(15 mm)

Lead wire

1)Removetheservicepanel.

2)Removetheconduitplate.

3)Attachtheconduitconnectortoconduitplatewithlocknutthensecure

it to the unit with screws.

4)ConnectgroundwirestotheTBsupport.

5)Loosen terminal screw, and connectindoor/outdoor unit connecting

wire(B)fromtheindoorunitcorrectlyontheterminalblock.Becareful

nottomakemis-wiring.Fixthewiretotheterminalblocksecurelyso

thatnopartofitscoreisappeared,andnoexternalforceisconveyed

totheconnectingsectionoftheterminalblock.

6)Firmlytightentheterminalscrewstopreventthemfromloosening.After

tightening,pullthewireslightlytoconrmthattheydonotmove.

7) Perform 5) and 6) for each indoor unit.

8) Connect power supply cord (A).

9)Closetheservicepanelsecurely.Makesurethat3-2.PIPECONNEC-

TION is completed.

Connecting order

• Connect the terminal block in

following order.

→

CONNECTINGWIRESANDCONNECTING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 code.

POWERSUPPLYCABLEANDGROUNDWIRE

• UsesolidorstrandedconductorMin.AWG12.

• Usecopperconductorsonly.

* Follow local electrical code.

WARNING:

Use the indoor/outdoor unit connecting wire that meets the Stand-

ardstoconnecttheindoorandoutdoorunitsandxthewiretothe

terminal block securely so that no external force is conveyed to the

connecting section of the terminal block. An incomplete connection

orxingofthewirecouldresultinare.

Remark:

* Adisconnectswitchshouldberequired.Checkthelocalcode.

** Use a ring tongue terminal in order to connect a ground wire to terminal.

• Connectwirestothematchingnumbersofterminals.

• Besuretoattacheachscrewtoitscorrespondentterminalwhen

securing the cord and/or the wire to the terminal block.

Terminalblock

Grounding

terminal **

208/230VAC

1phase60Hz

Grounding

terminal **

Terminalblock1

Ground

OUTDOOR UNIT

Power supply

208/230VAC

1phase2wires60Hz

Disconnect

switch *

Grounding

terminal **

Terminalblock Terminalblock

INDOOR UNIT

Terminalblock

Forfutureservicing,giveextralengthtotheconnectingwires.

Servicepanel

Screws

Power supply

Terminalblockfor

indoor/outdoorunit

A – C D

Locknut

Conduit plate

Conduit connector

Dunitisfor4C36NA2only

A – C D

Fix here with

M10 bolts.

Makethesetting

depth deeper.

Makewithwider.

Anchor leg

1-1/6(30)orless

Anchor bolt length

Anchor bolt pitch

(Unit: inch (mm))

23-5/8

(600)

14-9/16

(370)

Conduit plate

2. OUTDOORUNITINSTALLATION

WG79A686H01_en.indd 4 11/24/2015 9:04:55 AM

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Mitsubishi 864810 Triple Zone M Series Mini Split System with Cooling 24000 BTU, Two 6k BTU Indoor, One 12k BTU Indoor, PACMKA31BC Branch Box, and an Outdoor Unit

User Manual - Page 5