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Midea Split Duct Air Conditioner User Manual

Midea Split Duct Air Conditioner
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INSTALLATION MANUAL
Split Duct Air Conditioner
Digital Scroll and DC/AC Inverter Commercial Air-conditioner
The Digital Scroll and DC/AC Inverter share the same indoor units.
Thank you very much for purchasing our air conditioner,
Before using your air conditioner, please read this manual carefully and keep it for future reference.
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Midea Split Duct Air Conditioner Specifications

General IconGeneral
BrandMidea
ModelSplit Duct Air Conditioner
CategoryAir Conditioner
LanguageEnglish

Summary

INSTALLATION PRECAUTION

INSTALLATION PLACE

Indoor Unit Placement

Requirements for the indoor unit's installation location.

Outdoor Unit Placement

Requirements for the outdoor unit's installation location.

ACCESSORIES

INDOOR UNIT INSTALLATION

Installing Hanging Screw Bolts

Steps to install $10 hanging screw bolts for mounting the indoor unit.

Concrete Brick Installation Method

Method for installing the unit on original concrete brick structures.

Steel Roof Beam Structure Installation

Method for installing the unit on steel roof beam structures.

Overhanging and Positioning Indoor Unit

Instructions for hanging and leveling the indoor unit.

Main Body and Air Passage Installation

Procedures for installing the main body and dust proof/air passage.

Indoor Unit Ceiling Hole Positioning

Details on positioning ceiling holes and indoor units with hanging screw bolts.

Alternative Installation for Limited Spaces

Method for installing in sites with limited space or access.

Motor Maintenance Procedures

Detailed steps for maintaining the motor assembly.

INSTALLATION SPACE

Maintenance Roomage Requirements

Specifies required clearance for maintenance around the unit.

REFRIGERANT PIPE

Pipe Preparation Before Connection

Instructions to cover pipes to prevent contamination during installation.

DUCT DESIGN

Key Duct Connection Points

Essential considerations for connecting air ducts to the unit.

Static Pressure Scope

Table of applicable static pressure ranges for different unit capacities.

Panel Installation Procedure

Steps for installing the unit's outer panels.

INSTALL THE CONNECTING PIPE

Procedure for Connecting Pipes

Detailed step-by-step guide for connecting refrigerant pipes.

Notices for Pipe Bending

Guidelines and restrictions for bending refrigerant pipes.

Leak Detection and Checking

Methods to check refrigerant pipe joints for leaks.

Pipe Insulation Requirements

Instructions for insulating pipes to prevent condensation.

REFRIGERANT PIPE CONNECTION

Expelling Air from Refrigerant System

Procedure for removing air from the refrigerant lines.

Nut Fastening and Torque

Proper torque for fastening nuts on refrigerant pipe connections.

Refrigerant Filling Amount

Calculation and addition of refrigerant based on pipe length.

Vacuum Pumping Procedure

Using a vacuum pump to remove air and moisture.

CONNECT THE DRAIN PIPE

Indoor Unit Drain Pipe Installation

Steps and considerations for installing the drain pipe.

WIRING

Power and Specification Details

Power requirements and wiring specifications for the unit.

Communication Wiring Chart

Diagram and explanation of communication wiring for different models.

Terminal Board Diagram

Visual representation of the terminal board connections.

Network Address Configuration

Setting network addresses for indoor and outdoor units.

CONTROL

Horsepower Setting

Using DIP switches to set the unit's refrigeration capacity.

Mainboard DIP Switch Definitions

Explanation of the function of mainboard DIP switches.

SW2 Switch Definitions

Settings for the SW2 switch related to unit shutdown and fan operation.

SW5 Switch Definitions

Settings for the SW5 switch related to temperature compensation.

SW6 Switch Definitions

Settings for the SW6 switch related to display panel and auto air blow.

SW7 Switch Definitions

Settings for the SW7 switch related to network configuration.

TROUBLE SHOOTING

INSTALL ELECTRIC THROTTLE PART

INSTALL BRANCH PIPE

Branch Pipe Installation Modes

Guidance on installing branch pipes horizontally or vertically.

TEST OPERATION

Pre-Test Operation Checklist

Points to confirm before performing the test operation.

Performing Test Operation

Steps and checks for conducting the unit's test operation.

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