Mitsubishi Electronics SPLIT-TYPE MSZ-D30/36NA User Manual download pdf

JG79A061H01

SPLIT-TYPE AIR CONDITIONERS

INSTALLATION MANUAL

ENGLISH

Required Tools for Installation

Phillips screwdriver

Level

Scale

Utility knife or scissors

3 in. (75 mm) hole saw

Torque wrench

Wrench (or spanner)

5/32 in. (4 mm) hexagonal

wrench

Flare tool for R410A

Gauge manifold for R410A

Vacuum pump for R410A

Charge hose for R410A

Pipe cutter with reamer

MSZ-D30/36NA

MSY-D30/36NA

1. BEFORE INSTALLATION

1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY

• Be sure to read these safety precautions and instructions.

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• After reading this manual, be sure to store it with the OPERATING INSTRUCTIONS for future reference.

• Please report to your supply authority or obtain their consent before connecting this equipment to the power supply system.

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

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whom you purchased the unit.

N Follow the instructions detailed in the installation manual.

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ing, or leakage of water.

N Install the unit securely in a place that can bear the weight of the unit.

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

causing injury.

N Perform electrical work according to the installation manual and be sure to use

an exclusive circuit. Do not connect other electrical appliances to the circuit.

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N Ground the unit correctly.

Do not connect the ground wire to a gas pipe, water pipe, lightning rod or tel-

ephone ground. Defective grounding could cause electric shock.

N Do not damage the wires.

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N Be sure to shut off the main power when setting up the indoor P.C. board or

wiring.

Failure to do so could cause electric shock.

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If gas leaks and accumulates around the unit, it could cause an explosion.

N Do not use intermediate connection of the power cord or the extension cord.

Do not connect many devices to one AC outlet.

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an electric shock, the unit falling, etc.

N When plugging the power supply plug into the outlet, make sure that there is

no dust, blockage, or loose parts both in the outlet and on the plug. Verify that

the power supply plug is completely in the outlet.

If there is dust, blockage, or loose parts on the power supply plug or the outlet, it could

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N Securely attach the electrical cover to the indoor unit and the service panel to

the outdoor unit.

If the electrical cover of the indoor unit and/or the service panel of the outdoor unit are

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an electric shock.

N When installing or relocating the unit, make sure that no substance other than

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Any foreign substances in the refrigerant circuit can cause abnormal pressure rise

or an explosion.

N

Do not discharge the refrigerant into the atmosphere.

Check that the refrigerant gas

does not leak after installation has been completed.

If refrigerant leaks during

installation, ventilate the room.

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heater, space heater, stove, etc., harmful gases will be generated.

N Use appropriate tools and piping materials for installation.

The pressure of R410A is 1.6 times higher than R22. Not using the appropriate

tools and materials, or improper installation could cause the pipes to burst causing

an injury.

N When pumping down the refrigerant, stop the compressor before disconnecting

the refrigerant pipes.

If the refrigerant pipes are disconnected while the compressor is running and the

stop valve is open, air could be drawn in and the pressure in the refrigeration cycle

could become abnormally high, causing the pipes to burst.

N When installing the unit, securely connect the refrigerant pipes before starting

the compressor.

If the compressor is started before the refrigerant pipes are connected and the

stop valve is open, air could be drawn in and the pressure in the refrigeration cycle

could become abnormally high, causing the pipes to burst.

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N Install the unit according to national wiring regulations.

N Depending on the installation area, install a Ground Fault Interrupt (GFI) circuit

breaker.

If the Ground Fault Interrupt (GFI) circuit breaker is not installed, an electric shock

could occur.

N Perform the drainage/piping work securely according to the installation

manual.

If there is defect in the drainage/piping work, water could drip from the unit, and

damage household items.

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This could cause injury.

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

If small animals enter the unit and damage its electrical parts, it could cause a

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CAUTION

(Could lead to serious injury when operated incorrectly.)

WARNING

(Could lead to death or serious injury.)

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - 1. BEFORE INSTALLATION

JG79A061H01SPLIT-TYPE AIR CONDITIONERSINSTALLATION MANUAL ENGLISHRequired Tools for InstallationPhillips screwdriverLevelScaleUtility knife or scissor

Page 2 - 1-3. SPECIFICATIONS

1-3. SPECIFICATIONS1-3-1. POWER SUPPLY AND INDOOR/OUTDOOR WIRE CONNECTION• Power should be taken from an exclusive branched circuit.• Wiring work shou

Page 3 - 1-4. INSTALLATION DIAGRAM

Outdoor unit installation2-13/16 in. (70 mm) or more/ 5-1/8 in. (130 mm) or more for left and left back piping (using spacer)1-4. INSTALLATION DIAGRAM

Page 4 - 2. INDOOR UNIT INSTALLATION

Installation plate (1)Center of ø 3 in. (75 mm) hole8-11/16 in. (220 mm) or more 4-11/16 in. (120 mm) or more 2-13/16 in. (70 mm) or more5-1/8 in. (13

Page 5 - 2-4. INSTALLING THE L-JOINT

Liquid pipeGas pipeFelt tape (7) Indoor/outdoor unit connecting wire (A)Piping tape (G)2-5. PIPE FORMING AND DRAIN PIPING2-5-1. PIPE FORMING• Place th

Page 6 - 3. OUTDOOR UNIT INSTALLATION

3-1. CONNECTING WIRES FOR OUTDOOR UNIT1) Remove the service panel.2) Remove the conduit cover.3) Attach the conduit connector to conduit cover with lo

Page 7 - 3-4. INSULATION AND TAPING

3-2. FLARE CONNECTION1) Cut the copper pipe as straight as possible with a pipe cutter. (Fig. 1, 2)2) Remove all burrs from the cut section of the pi

Page 8

4-4. EXPLANATION TO THE USER• Using the OPERATING INSTRUCTIONS, explain to the user how to use the DLUFRQGLWLRQHUWKHUHPRWHFRQWUROOHUUHPRYLQJWK