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Gree GMV-ND140ZD/A-T - User Manual

Gree GMV-ND140ZD/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
Floor and Ceiling Type Indoor Unit
Models:
GMV-ND28ZD/A-T GMV-ND36ZD/A-T
GMV-ND50ZD/A-T GMV-ND63ZD/A-T
GMV-ND71ZD/A-T GMV-ND90ZD/A-T
GMV-ND112ZD/A-T GMV-ND125ZD/A-T
GMV-ND140ZD/A-T
Air Conditioners
Owner's Manual

Table of Contents

Other manuals for Gree GMV-ND140ZD/A-T

Preview: Service Manual
Service Manual227 pages

Questions and Answers

  • K
    Kevin BurgessAug 20, 2025
    Why is my Gree GMV-ND140ZD/A-T Air Conditioner having a poor cooling effect?
    • J
      Jodi SalazarAug 20, 2025
      If your Gree Air Conditioner isn't cooling well, several factors could be at play. Check if the filter is dirty or blocked, and ensure that the room isn't overloaded with heat sources such as too many people. Make sure all doors and windows are closed, and that the inlet and outlet of the indoor unit are not blocked. Also, verify that the set temperature isn't too high and that there are no refrigerant leaks. Finally, the room temperature sensor may be malfunctioning.
  • B
    Becky MartinAug 22, 2025
    Why my Gree GMV-ND140ZD/A-T can't start up?
    • R
      Robert ClarkAug 22, 2025
      If your Gree Air Conditioner won't start, check if the power supply is properly connected. Also, the circuit breaker might be tripping due to an electricity leak. Ensure that the input voltage is not too low and that the operation button is activated. An abnormal control loop could also prevent the unit from starting.
  • D
    Dean JohnsonAug 25, 2025
    How to improve the cooling effect of my Gree GMV-ND140ZD/A-T?
    • P
      Peter CookAug 25, 2025
      To improve the cooling effect of your Gree Air Conditioner, try the following: * Clean the filter. * Reduce the heat load of the room. * Close any doors or windows. * Unblock the inlet and outlet of the indoor unit. * Lower the setting temperature. * Check the performance of the room temperature sensor.
  • N
    Nancy McguireAug 26, 2025
    How to improve the heating effect of my Gree Air Conditioner?
    • B
      Brenda HallAug 26, 2025
      To improve the heating effect of your Gree Air Conditioner, consider the following: 1. Clean the filter. 2. Close the door or window. 3. Increase the setting temperature. 4. Check for refrigerant leakage. 5. Check if the outdoor ambient temperature is lower than -5°C. 6. Check for abnormality of the control circuit.
  • B
    Brent ColeAug 27, 2025
    Why is my Gree GMV-ND140ZD/A-T Air Conditioner having a poor heating effect?
    • J
      jnavarroAug 27, 2025
      If your Gree Air Conditioner isn't heating effectively, start by checking if the filter is dirty or blocked. Ensure that all doors and windows are closed to prevent heat loss. Verify that the set temperature isn't too low and that there are no refrigerant leaks. Be aware that the unit's performance may be affected if the outdoor temperature is below -5 degrees. Finally, there might be an abnormality in the control circuit.
  • L
    Lauren ArmstrongAug 29, 2025
    How to fix mode shock in Gree GMV-ND140ZD/A-T?
    • J
      Jason HallAug 29, 2025
      If your Gree Air Conditioner is experiencing mode shock, try resetting the unit to eliminate the mode shock.
  • K
    kelly35Aug 31, 2025
    What to do if my Gree GMV-ND140ZD/A-T stops after running for a while?
    • B
      bridgeskurtAug 31, 2025
      If your Gree Air Conditioner stops after running for a while, there might be an obstacle in front of the condenser. Another possibility is an abnormal control loop. Also, setting the unit in cooling mode when the outdoor temperature is above 43 degrees may cause it to stop.
  • B
    Bianca HowardSep 2, 2025
    What to do if the indoor fan doesn’t start up during heating in my Gree Air Conditioner?
    • T
      Thomas RichardsSep 2, 2025
      If the indoor fan of your Gree Air Conditioner doesn’t start during heating, the tube temperature sensor head's placement may not be suitable, or it might not be inserted well. Check if the wiring of the tube temperature sensor head is broken, or if the capacitor is leaking electricity.
  • D
    danielsnowSep 4, 2025
    What to do if my Gree GMV-ND140ZD/A-T shows a communication malfunction?
    • L
      Lindsey MccarthySep 4, 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.
  • A
    Adam CarsonSep 6, 2025
    What to do if Gree GMV-ND140ZD/A-T shows water overflow protection?
    • R
      Ryan WeberSep 6, 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.

Summary

Preface and User Notice

Preface

Important instructions and user notices regarding safe operation and product disposal.

User Notice

Guidelines for children's use and environmental disposal of the appliance.

Safety Precautions

Product Introduction

Names of Key Components

Identifies and illustrates the main components of the indoor unit.

Rated Working Condition

Specifies the operating temperature and humidity conditions for cooling and heating.

Unit Functions

Details the available functions of the unit with different control options.

Preparations for Installation

Standard Fittings

Lists and describes the standard accessories provided for installation.

Installation Position Selection

Guidelines for choosing an appropriate and safe location for unit installation.

Requirements of Communication Wire Selection

Specifies the types and specifications for communication wiring.

Wiring Requirements

Details power cord and air switch specifications for safe operation.

Installation Instructions

Installation of Indoor Unit

Provides step-by-step guidance for installing the indoor unit, including dimensions.

Leveling

Instructions on how to level the indoor unit for proper drainage.

Refrigerant Pipe Connection

Details the procedure and torque specifications for connecting refrigerant pipes.

Drainage Pipe Installation and Drainage System Testing

Covers the installation of drainage pipes and testing the drainage system.

Installation of Wired Controller

Instructions for installing the optional wired controller.

Wiring Work

Connection of Wire and Patch Board Terminal

Guidance on connecting wires to terminals and patch boards.

Power Cord Connection

Procedures for safely connecting the unit's power cord.

Connection of Communication Wire between Indoor Unit and Outdoor Unit

Steps for connecting communication wires between indoor and outdoor units.

Connection of Communication Wire for Wired Controller

Instructions for connecting communication wires to the wired controller.

Wiring Instructions of Wired Controller and Indoor Units Network

Rules and diagrams for networking wired controllers and indoor units.

Routine Maintenance

Cleaning of Filter

Instructions for cleaning the air filter.

Maintenance before the Seasonal Use

Checks and tasks to perform before the air conditioner's operational season.

Maintenance after the Seasonal Use

Steps to take for maintenance after the operational season.

Table of Error Codes for Indoor Unit

Troubleshooting

Gree GMV-ND140ZD/A-T Specifications

General IconGeneral
Cooling Capacity14.0 kW
Heating Capacity16.0 kW
RefrigerantR410A
Indoor Unit TypeDucted
Compressor TypeInverter Scroll

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