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Midea MTB-48HWN1-R User Manual

Midea MTB-48HWN1-R
264 pages
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Contents i
50Hz R410A ON/OFF SERIES
Service Manual 2017

Table of Contents

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Midea MTB-48HWN1-R Specifications

General IconGeneral
BrandMidea
ModelMTB-48HWN1-R
CategoryAir Conditioner
LanguageEnglish

Summary

General Information

Model Lists

Lists all available indoor and outdoor unit models and their matched counterparts.

Four-way Cassette Type Features

Four-way Cassette Dimensions

Four-way Cassette Service Space

Four-way Cassette Wiring Diagrams

Four-way Cassette Electric Characteristics

Four-way Cassette Specification of Power

Four-way Cassette Field Wiring

Super-slim Cassette Features

Super-slim Cassette Dimensions

Super-slim Cassette Service Space

Super-slim Cassette Wiring Diagrams

Super-slim Cassette Electric Characteristics

Super-slim Cassette Specification of Power

Super-slim Cassette Field Wiring

A5 Duct Type Features

A5 Duct Type Dimensions

A5 Duct Type Service Space

A5 Duct Type Wiring Diagrams

A5 Duct Type Static Pressure

A5 Duct Type Electric Characteristics

A5 Duct Type Specification of Power

A6 Duct Type Features

A6 Duct Type Dimensions

A6 Duct Type Service Space

A6 Duct Type Wiring Diagrams

A6 Duct Type Static Pressure

A6 Duct Type Electric Characteristics

A6 Duct Type Specification of Power

A6 Duct Type Field Wiring

High Static Pressure Duct Type Features

High Static Pressure Design

Describes max static pressure, air supply distance, and recommended usage.

High Static Pressure Duct Type Dimensions

High Static Pressure Duct Type Service Space

High Static Pressure Duct Type Wiring Diagrams

High Static Pressure Duct Type Static Pressure

High Static Pressure Duct Type Electric Characteristics

High Static Pressure Duct Type Specification of Power

High Static Pressure Duct Type Field Wiring

Ceiling & Floor Type Features

Ceiling & Floor Type Dimensions

Ceiling & Floor Type Service Space

Ceiling & Floor Type Wiring Diagram

Ceiling & Floor Type Electric Characteristics

Ceiling & Floor Type Specification of Power

Ceiling & Floor Type Field Wiring

GA Floor-standing Type Features

GA Floor-standing Type Dimensions

GA Floor-standing Type Service Space

GA Floor-standing Type Wiring Diagrams

GA Floor-standing Type Electric Characteristics

GA Floor-standing Type Specification of Power

M Floor-standing Type Features

M Floor-standing Type Dimensions

M Floor-standing Type Service Space

M Floor-standing Type Wiring Diagrams

M Floor-standing Type Electric Characteristics

M Floor-standing Type Specification of Power

J2 Floor-standing Type Features

J2 Floor-standing Type Dimensions

J2 Floor-standing Type Service Space

J2 Floor-standing Type Wiring Diagrams

J2 Floor-standing Type Electric Characteristics

J2 Floor-standing Type Specification of Power

S2 Floor-standing Type Features

S2 Floor-standing Type Dimensions

S2 Floor-standing Type Service Space

S2 Floor-standing Type Wiring Diagrams

S2 Floor-standing Type Electric Characteristics

S2 Floor-standing Type Specification of Power

E2 Floor-standing Type Features

E2 Floor-standing Type Dimensions

E2 Floor-standing Type Service Space

E2 Floor-standing Type Wiring Diagrams

E2 Floor-standing Type Electric Characteristics

E2 Floor-standing Type Specification of Power

Outdoor Units Dimensions

Outdoor Units Service Space

Outdoor Units Piping Diagrams

Outdoor Units Wiring Diagrams

Outdoor Units Electric Characteristics

Outdoor Units Operation Limits

Installation Procedure

Location Selection

Indoor Unit Location Selection

Lists criteria for selecting indoor unit placement, focusing on support, drainage, and air circulation.

Outdoor Unit Location Selection

Details criteria for outdoor unit placement, considering noise, space, and environmental factors.

Indoor Unit Installation

Compact Cassette Installation Details

Covers service space, bolt pitch, pendant bolt, main body, and panel installation.

Super-slim Cassette Installation Details

Covers service space, bolt pitch, pendant bolt, and main body installation.

A5 Duct Installation Details

Covers service space, bolt pitch, pendant bolt, and main body installation.

A6 Duct Installation Details

Covers hanging indoor unit, duct/accessories, and air inlet direction adjustment.

HESP Duct Installation Details

Covers service space, bolt pitch, main body, and air duct installation.

Ceiling & Floor Installation Details

Covers service space, bolt pitch, pendant bolt, and main body installation.

GA Floor Standing Installation Details

Covers service space requirements and standing the unit on hard, flat ground.

E2 Floor Standing Installation Details

Covers anti-falling measures, lower front panel removal, and pipe/wire connection.

S2 Floor Standing Installation Details

Covers service space requirements and dismounting/pipe clip installation.

S4 Floor Standing Installation Details

Covers service space requirements and anti-falling measures.

Outdoor Unit Installation (Side Discharge Unit)

Service Space for Outdoor Unit

Details the required clearance around the outdoor unit for proper operation and maintenance.

Install the Unit

Provides instructions for lifting, handling, and securely fastening the outdoor unit to its foundation.

Refrigerant Pipe Installation

Maximum Pipe Length and Height Drop

Specifies allowable pipe lengths and height differences for different capacities.

Procedure for Connecting Pipes

Outlines steps for choosing pipe size, measuring, cutting, flaring, and insulating pipes.

Drainage Pipe Installation

Installation Principle

Covers slope, pipe diameter, and discharge points for drainage.

Key Points of Drainage Water Pipe Installation

Addresses pipeline routing, elevation, and selection based on water flowrate.

Vacuum Drying and Leakage Checking

Purpose of Vacuum Drying

Explains the importance of removing moisture and non-condensable gas to prevent system issues.

Additional Refrigerant Charge

Engineering of Insulation

Engineering of Electrical Wiring

Test Operation

Test Operation Procedures

Outlines mandatory checks before and during test operation for indoor and outdoor units.

Electrical Control Function

Troubleshooting

Solving Steps for Typical Malfunctions

Provides troubleshooting steps for common issues like phase errors, overload, and sensor faults.

Outdoor Unit Phase Sequence and Lack of Phase Errors

Provides troubleshooting steps for phase sequence errors and lack of phase issues in outdoor units.

Overload of Current

Outlines troubleshooting steps for overload of current, including checking voltage, fans, and capillary.

Protection of Pressure or Temperature

Details troubleshooting for pressure or temperature protective switch issues and possible reasons.

Temperature Sensor Open or Short Circuit

Guides on checking connections and resistance values for temperature sensors.

High Temperature Protection of Condenser

Provides steps to check the temperature sensor and lists possible reasons for high condenser temperature protection.

Controller

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