Midea MTB-120HWN1 User Manual

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MCAC-UTSM-2014-03 R410A 380~415V 3Ph 50Hz TempMaker Series Split AC

0

Midea R410A T1 380V 50Hz 3Ph

Split Type TempMaker series

Technical Manual

Applicable Model:

Indoor unit Outdoor unit

MTB-76HWN1 MOV-76HN1-R

MTB-96HWN1 MOV-96HN1-R

MTB-120HWN1 MOV-120HN1-R

MHB-76HWN1 MOV-150HN1-R

MHB-96HWN1 MOV-192HN1-R

MHA-150HWN1

MHA-192HWN1

MFA2-76HRN1

MFA2-96HRN1

Midea reserves the right to discontinue, or change specification or designs at any time without notices and

without incurring obligations.

Библиотека СОК 

Table of Contents

Questions and Answers:

K
Kathleen StewartAug 10, 2025
Why is my Midea MTB-120HWN1 Air Conditioner cooling effect poor?
- J
  Jeffrey ShawAug 10, 2025
  Several factors can cause a poor cooling effect. The condenser or evaporator may be dirty, requiring you to clean the heat exchanger. The filter might be blocked, so cleaning the filter is necessary. Ensure the intake or exhaust vents of the indoor and outdoor units aren't blocked by removing any obstructions to maintain ventilation. Closing any open windows and doors can help, as well as obstructing direct sunlight with curtains. Reducing heat sources in the room can also improve cooling. The refrigerant may be leaking or deficient, requiring leak detection and refilling the correct amount. Also, if the outdoor environment temperature is too high, the cooling effect of the air conditioner is deteriorated, which is normal.
B
Brandon CooperAug 20, 2025
How to fix a Midea MTB-120HWN1 Air Conditioner that does not run?
- B
  Brett DanielsAug 20, 2025
  If the system isn't running, it might be due to a power supply failure. Operate it after the power supply resumes, ensuring it's properly connected. Also, check the remote controller or wired controller. If the fuse blows or the circuit breaker trips, replace the fuse or check for electrical leakage.
M
Megan JenkinsAug 29, 2025
Why is the heating effect poor in my Midea Air Conditioner?
- K
  kevinwebbAug 30, 2025
  A poor heating effect can occur if the outdoor temperature is below -7°C; in this case, use a heating device because the unit cannot operate normally. Ensure that all doors and windows are tightly closed. Also, the refrigerant may be leaking or deficient, requiring leak detection and refilling to the correct quantity.

Midea MTB-120HWN1 Specifications

General

Brand	Midea
Model	MTB-120HWN1
Category	Air Conditioner
Language	English

Summary

Part 3: Floor-standing Indoor Unit

Cooling Capacity Data Tables

Presents comprehensive tables of cooling capacity under various conditions.

Part 4: Outdoor Unit

Technical Specifications

Provides detailed technical data, including electrical, dimensional, and performance parameters.

Part 5: Installation Procedures

General Installation Notes and Cautions

Duct Type Indoor Unit Installation

Details the procedure for installing duct type indoor units, including mounting.

Floor-standing Indoor Unit Installation

Details the procedure for installing floor-standing indoor units, including mounting.

Outdoor Unit Installation Guidelines

Details the procedure for installing outdoor units, including placement and mounting.

Refrigerant Pipe Connection and Brazing

Explains how to connect refrigerant pipes, including brazing and leak testing.

Electrical Wiring and Connection

Outlines procedures and safety precautions for electrical connections.

Trial Run Procedure

Troubleshooting Common Issues

Lists common operational problems, their causes, and solutions.

Routine Maintenance Procedures

Part 6: Controller Operations

Wireless Remote Controller Guide

Wired Controller Guide

Centralized Controller System

Explains features, operation, installation, and display of the centralized controller.

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