Mitsubishi Electric Trane NTXAMT18A112AA User Manual

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Air Conditioners

NTXAMT12, 18, 24, 30, 36A112AA

OPERATION MANUAL

FOR INSTALLER

En

For safe and correct use, please read this operation manual thoroughly before installing

the air-conditioner unit.

MANUEL D'INSTALLATION

POUR L’INSTALLATEUR

Fr

Veuillez lire le manuel d’installation en entier avant d’installer ce climatiseur pour éviter

tout accident et vous assurer d’une utilisation correcte.

Other manuals for Mitsubishi Electric Trane NTXAMT18A112AA

Service Manual63 pages

Questions and Answers:

J
james95Aug 20, 2025
How to fix Mitsubishi Electric Trane NTXAMT18A112AA Air Conditioner that does not heat or cool well?
- F
  farmstrongAug 20, 2025
  If your Mitsubishi Electric Air Conditioner isn't heating or cooling effectively, start by checking the air filter. A dirty or clogged filter can significantly reduce airflow, so cleaning it may solve the problem. Also, ensure the temperature is properly adjusted. Make sure there's enough space around the outdoor unit for proper ventilation. Check if the indoor unit's air intake or outlet is blocked. Finally, ensure all doors and windows are closed to prevent drafts.
S
Steven GayAug 22, 2025
What to do if my Mitsubishi Electric Air Conditioner emits water or vapor from the outdoor unit?
- M
  Maurice GardnerAug 22, 2025
  During Cool mode, water may form and drip from the cool pipes and joints. During Heat mode, water may form and drip from the heat exchanger. Also, during defrosting mode, water on the heat exchanger evaporates and water vapor may be emitted.
S
Samantha DavidAug 25, 2025
Why does my Mitsubishi Electric Air Conditioner stop before reaching the set temperature in Heat mode?
- J
  Jessica EspinozaAug 25, 2025
  If your Mitsubishi Electric Air Conditioner stops before reaching the set room temperature during Heat mode, it might be due to frost forming on the outdoor unit when the outdoor temperature is low and the humidity is high. If this occurs, the unit will perform a defrosting operation, and normal operation should resume after approximately 10 minutes.
M
Martin BernardAug 26, 2025
Why is my Mitsubishi Electric Trane NTXAMT18A112AA making a flowing water or hissing sound?
- K
  Keith MartinezAug 26, 2025
  These sounds can be heard when refrigerant is flowing in the air conditioner or when the refrigerant flow is changing.
B
brownpedroAug 27, 2025
Why is my Mitsubishi Electric Air Conditioner making cracking or creaking sounds?
- D
  dawn35Aug 27, 2025
  These sounds can be heard when parts rub against each due to expansion and contraction from temperature changes.
T
Tonya ZimmermanAug 29, 2025
Why does my Mitsubishi Electric Air Conditioner emit a white mist or vapor from the indoor unit?
- C
  Christine GreenAug 29, 2025
  If the indoor temperature and the humidity are high, this condition may occur when operation starts. Also, during defrosting mode, cool airflow may blow down and appear like a mist.
B
Brandon Kelly DDSAug 31, 2025
Why does my Mitsubishi Electric Trane NTXAMT18A112AA Air Conditioner operate without pressing the ON/OFF button?
- K
  kennethstewartAug 31, 2025
  Check if the on timer is set. If it is, press the ON/OFF button to stop operation. Also, is the air conditioner connected to a central remote controller? Consult the concerned people who control the air conditioner. Does “ ” appear in the remote controller display? Has the auto recovery feature from power failures been set? Press the ON/OFF button to stop operation.
R
rachaelhuntSep 2, 2025
Why does my Mitsubishi Electric Trane NTXAMT18A112AA Air Conditioner stop without pressing the ON/OFF button?
- G
  Gabriel VasquezSep 2, 2025
  Check if the off timer is set. If it is, press the ON/OFF button to restart operation. Also, is the air conditioner connected to a central remote controller? Consult the concerned people who control the air conditioner. Does “ ” appear in the remote controller display? Consult the concerned people who control the air conditioner.
C
Connor AustinSep 3, 2025
How to fix Mitsubishi Electric Trane NTXAMT18A112AA when restarting soon after stopping it?
- E
  elizabeth09Sep 3, 2025
  Wait approximately three minutes. Operation has stopped to protect the air conditioner.
W
whiteaprilSep 5, 2025
Why does warm air not blow from my Mitsubishi Electric Trane NTXAMT18A112AA Air Conditioner immediately when heating starts?
- M
  Misty ButlerSep 5, 2025
  Warm air does not blow until the indoor unit has sufficiently warmed up.

Mitsubishi Electric Trane NTXAMT18A112AA Specifications

General

Model Number	NTXAMT18A112AA
Category	Air Conditioner
Phase	1
Voltage	208/230V
Refrigerant	R410A
Cooling Capacity	18, 000 BTU/h
HSPF Rating	10 HSPF

Summary

Safety Precautions

Symbols used in the text

Explains the meaning of symbols used within the manual's text content.

Symbols used in the illustrations

Details the significance of visual symbols shown in diagrams and illustrations.

Disposing of the unit

Provides guidance on how to properly dispose of the air conditioner unit.

Part Names

Indoor Unit Components

Identifies and describes the various parts of the indoor air conditioning unit.

Remote Controller Options

Outlines the different types of remote controllers available for the unit.

Operation

Operation Mode Selection

Explains how to choose between different operating modes like Cool, Heat, Fan, and Auto.

Fan Speed Setting

Details how to adjust the fan speed for optimal airflow and comfort.

Ventilation Operation

Describes the procedures for operating the ventilation system in conjunction with the unit.

Timer Functions

Care and Cleaning

Cleaning the Filters

Instructions on how to clean the air filters to maintain unit performance and air quality.

Filter Removal and Replacement

Step-by-step guide on how to safely remove and reinstall air filters.

Troubleshooting

Specifications

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