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Midea MCA-24HRN2MCA-24CRN2 User Manual

Midea MCA-24HRN2MCA-24CRN2
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CASSETTE TYPE
Thank you very much for purchasing our air conditioner, please read this owner's
manual carefully before using your air conditioner.
INSTALLATION MANUAL
AIR CONDITIONER
MODEL:
MCA-24HRN2
MCA-24CRN2
MCA-36HRN2
MCA-36CRN2
MCA-42HRN2
MCA-42CRN2
MCA-48HRN2
MCA-48CRN2
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Midea MCA-24HRN2MCA-24CRN2 Specifications

General IconGeneral
BrandMidea
ModelMCA-24HRN2MCA-24CRN2
CategoryAir Conditioner
LanguageEnglish

Summary

PRECAUTIONS

SAFETY CONSIDERATIONS

General safety guidelines for installation and servicing personnel, emphasizing hazards and precautions.

INSTALLATION INFORMATION

INSTALLATION ORDER

Sequential steps for the overall installation process of the air conditioner unit.

CAUTIONS FOR THE REMOTE CONTROLLER OPERATION

ATTACHED FITTINGS

Installation Fittings

List of fittings included for the initial installation of the unit.

Tubing & Fittings

Components related to the refrigerant piping and its connections.

Drainpipe Fittings

Fittings required for the proper installation and connection of the drainpipe.

Protect Pipe Fittings

Fittings used for protecting the pipework, such as conduits.

Power/Signal Wiring Group

Components for electrical power and signal connections between units.

Remote controller & Its Frame

Accessories related to the remote control unit and its mounting.

Others

Miscellaneous items included with the air conditioner package.

INSTALLATION PLACE

Critical Placement Cautions

Critical locations to avoid for proper unit function and longevity.

Pre-Installation Notices

Important preparatory steps and considerations before starting installation.

Indoor Unit Location Requirements

Requirements for the installation location of the indoor air conditioning unit.

Outdoor Unit Location Requirements

Requirements for the installation location of the outdoor air conditioning unit.

INDOOR UNIT INSTALLATION

Install the Main Body

Detailed steps for mounting the main indoor unit body into the ceiling.

New Built Houses and Ceilings

Specific considerations for installing the unit in newly constructed buildings.

Install The Panel

Instructions for attaching and securing the decorative panel of the indoor unit.

OUTDOOR UNIT INSTALLATION

Outdoor Unit Installation Cautions

Critical warnings and best practices for outdoor unit placement and installation.

Outdoor Unit Space Requirements

Required clearances around the outdoor unit for performance and service access.

Moving and Installing Outdoor Unit

Guidelines for safely lifting, moving, and securing the outdoor unit during installation.

INSTALL THE CONNECTING PIPE

Connecting Pipe Cautions

Important warnings regarding refrigerant pipe installation to prevent damage or leaks.

Connecting Pipe Procedure

Step-by-step guide for connecting refrigerant pipes, including bending tips.

Bendable Pipe Notices

Specific recommendations for bending refrigerant pipes to avoid damage.

Bending Thin Wall Pipe

Techniques for bending thinner refrigerant pipes without deformation.

Pipe Sourcing and Routing

Guidance on selecting appropriate brass pipes and routing them through walls.

Pipe Connection and Leak Check

Steps for connecting pipes, opening valves, and verifying for refrigerant leaks.

Flaring and Fastening

Techniques for flaring pipe ends and tightening connecting nuts securely.

Necessary Refrigerant Stow Capacity

Expel the air with a vacuum pump

CHECK THE LEAKAGE

INSULATION

CONNECT THE DRAIN PIPE

Install Indoor Unit Drainpipe

Instructions for attaching and securing the drainpipe to the indoor unit.

Drainage Test Procedure

Procedure for testing the drainpipe system to ensure proper water flow.

Outdoor Unit Drain Elbow Installation

Steps for installing the drain elbow on the outdoor unit for condensate drainage.

WIRING

Wiring Electrical Caution

Important safety warning regarding electrical wiring and connections.

Power Specification

Technical specifications for power supply, frequency, voltage, and wiring sizes.

Remove Protection Board

Procedure for accessing internal components by removing the protection board.

Wiring Chart

Electrical Connection Diagram

Diagram illustrating the electrical connections between indoor and outdoor units.

TEST OPERATION

Final Operation Test

Final operational checks to ensure the air conditioner functions correctly after installation.

Test Operation Caution

Important warning about the unit's protection feature preventing immediate restart.

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