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Gree GMV-ND71T/A-T - User Manual

Gree GMV-ND71T/A-T
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Thank you for choosing Air Conditioners, please read this owner’s manual carefully before
operation and retain it for future reference.If you have lost the Owner’s Manual, please
contact the local agent or visit www.gree.com or sent email to global@gree.com.cn or
electronic version.
GREE reserves the right to interpret this manual which will be subject to any change due to
product improvement without further notice.
GREE Electric Appliances, Inc. of Zhuhai reserves the nal right to interpret this manual.
Multi Variable Air Conditioners
Cassette Type Indoor Unit
Models:
GMV-ND28T/A-T
GMV-ND36T/A-T
GMV-ND45T/A-T
GMV-ND50T/A-T
GMV-ND56T/A-T
GMV-ND63T/A-T
GMV-ND71T/A-T
GMV-ND80T/A-T
GMV-ND90T/A-T
GMV-ND100T/A-T
GMV-ND112T/A-T
GMV-ND125T/A-T
GMV-ND140T/A-T
GMV-ND160T/A-T
Owner's Manual
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

Table of Contents

Other manuals for Gree GMV-ND71T/A-T

Preview: Service Manual
Service Manual227 pages

Questions and Answers

  • S
    Samantha BlackAug 20, 2025
    Why is my Gree Air Conditioner not cooling properly?
    • M
      Michael AllenAug 20, 2025
      Several factors can cause a Gree Air Conditioner to have a poor cooling effect. Check the following: * Ensure the filter is clean; if dirty, clean or replace it. * Reduce the heat load in the room by decreasing the number of people or heat-generating devices. * Make sure all doors and windows are closed. * Verify that the inlet and outlet of the indoor unit are not blocked. * Lower the setting temperature. * Check refrigerant levels and refill if necessary, as insufficient refrigerant can also cause poor cooling.
  • J
    Jose WareAug 22, 2025
    How to fix a Gree GMV-ND71T/A-T Air Conditioner that won't start?
    • C
      Cynthia Barnes DDSAug 22, 2025
      If your Gree Air Conditioner won’t start, consider these potential causes: * Check the power supply to ensure it is properly connected. * Inspect the circuit breaker; tripping may be caused by leakage of electricity. * Ensure the input voltage is adequate. * If the above steps don't resolve the issue, there may be a defect with the main PC-board; contact a service center for inspection.
  • J
    Jeffrey SmithAug 25, 2025
    Why is my Gree Air Conditioner not cooling well?
    • C
      Cody FarmerAug 25, 2025
      Several factors can cause a Gree Air Conditioner to have a poor cooling effect. The filter might be dirty, so try cleaning or replacing it. The room might have too much heat, so reduce the heat load. Make sure all doors and windows are closed. Check that the indoor unit's inlet and outlet aren't blocked. The temperature setting might be too high, so lower it. Finally, there might not be enough refrigerant due to a leak, so check for leaks and refill if needed.
  • P
    Patrick CarpenterAug 26, 2025
    How to fix mode shock in Gree GMV-ND71T/A-T Air Conditioner?
    • B
      Benjamin FrancoAug 26, 2025
      If your Gree Air Conditioner is experiencing mode shock, try resetting the unit to eliminate the mode shock.
  • J
    John HornAug 27, 2025
    Why is my Gree GMV-ND71T/A-T Air Conditioner's heating not working well?
    • A
      Angel RodriguezAug 27, 2025
      If your Gree Air Conditioner is not heating effectively, several factors could be responsible: * A dirty filter can restrict airflow; clean or replace it. * An open door or window can let heat escape; ensure all doors and windows are closed. * If the setting temperature is too low, increase it to your desired warmth level. * Low refrigerant levels due to leakage can also reduce heating performance; check refrigerant levels and refill if necessary.
  • M
    Michael ClaytonAug 29, 2025
    What to do if my Gree GMV-ND71T/A-T Air Conditioner won't start?
    • A
      Anne HernandezAug 29, 2025
      If your Gree Air Conditioner won't start, begin by checking the power supply connection. If that's not the issue, reset the circuit breaker, as it may have tripped due to a leakage of electricity. Also, ensure the input voltage is correct. If none of these steps work, the main PC-board may be defective, and you should contact an authorized service center for repair.
  • J
    Jerry SmithAug 31, 2025
    Why is my Gree GMV-ND71T/A-T not heating properly?
    • R
      Randy HarmonAug 31, 2025
      A Gree Air Conditioner may have a poor heating effect due to several reasons. The filter may be dirty, so clean or replace it. Ensure all doors and windows are closed. The temperature setting might be too low, so increase it. There could also be insufficient refrigerant, possibly from a leak, so check for refrigerant leaks and refill as necessary.
  • A
    Alex ParkerSep 2, 2025
    What to do if my Gree Air Conditioner shows a communication malfunction?
    • J
      Jessica OlsonSep 2, 2025
      If your Gree Air Conditioner displays a communication malfunction, the first step is to check the communication wiring to ensure it is properly connected.
  • M
    Michael SmithSep 4, 2025
    What to do if Gree Air Conditioner shows water overflow protection?
    • O
      oliviabellSep 4, 2025
      If your Gree Air Conditioner is experiencing water overflow protection, examine the water drainage system for any blockages that may be causing the issue.
  • J
    Jeanette HamiltonSep 5, 2025
    Why does my Gree GMV-ND71T/A-T show indoor fan protection?
    • R
      Rhonda HortonSep 6, 2025
      If your Gree Air Conditioner displays an indoor fan protection error, ensure the fan is not obstructed or frozen, which may be triggering the protection mechanism.

Summary

Safety Precautions

Preparations for Installation

Installation Position Selection

Wiring Requirement

Details the specifications for power cords, air switches, and grounding wires.

Installation Instructions

Indoor Unit Installation

Provides step-by-step guidance for the physical installation of the indoor unit.

Refrigerant Pipe Connection

Details the procedure and torque specifications for connecting refrigerant pipes.

Drainage Pipe Installation & Testing

Guides on installing the drainage pipe and performing system tests to prevent leaks.

Wiring Work

Wire and Terminal Connection

Power Cord Connection

Instructions for correctly connecting the power cord to the unit.

Indoor-Outdoor Communication Wire Connection

Guides on connecting communication wires between indoor and outdoor units.

Wired Controller Communication Wire Connection

Routine Maintenance

Indoor Unit Error Codes

Troubleshooting

Gree GMV-ND71T/A-T Specifications

General IconGeneral
BrandGree
ModelGMV-ND71T/A-T
CategoryAir Conditioner
LanguageEnglish

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