Mitsubishi MXZ-2B20NA-1 INSTALLATION INSTRUCTIONS

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2. OUTDOOR UNIT INSTALLATION

2-1. 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-2B20NA

Power

supply(V,PHASE,Hz) 208/230, 1, 60

Max.Fusesize(timedelay)(A)

Min.

CircuitAmpacity(A) 15

Fan

motor(F.L.A) 0.96

Compressor

(R.L.A) 10.1

(L.R.A) 15

Control

voltage

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

Indoor unit-Outdoor unit : DC12-24V

1)Removetheservicepanel.

2)Fixthe conduit connector to conduit cover withlock nutthen secure it

against unit with screws.

3)Fixtheconduitcovertotheoutdoorunitthensecureitwithscrews.

4)Connectpowersupplycordandindoor/outdoorconnectingwiretotheter

minal

block.

 (Leavesomeslackinwirestoalloweasierservicing.)

5)Closetheservicepanelsecurely.Makesurethat3-2.PIPECONNECTION

is completed.

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.

INDOOR UNIT A

Terminal block

Grounding

terminal **

INDOOR UNIT B

Terminal block

Grounding

terminal **

208/230 V AC

1phase 60 Hz

208/230 V AC

1phase 60 Hz

Grounding

terminal **

Grounding

terminal **

Terminal

block 1

Ground

OUTDOOR UNIT

Powersupply208/230VAC

1phase 2wires 60 Hz

Terminal block

UNIT A

Terminal block

UNIT B

Disconnect

switch *

Disconnect

switch *

• 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.

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. AWG14.

• Usecopperconductorsonly.

* Follow local electrical code.

WARNING:

Usetheindoor/outdoorunitconnectingwirethatmeetstheStandards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.

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

Grounding terminal

Conduit

cover

Lock nut

Connector

JG79A253H04_en.indd 5 2014/03/10 14:12:57

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Mitsubishi MXZ-2B20NA-1 20k BTU - M-Series Outdoor Condenser - For 2 Zones

INSTALLATION INSTRUCTIONS - Page 5