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Gree GMV-ND90ZD/A-T - User Manual

Gree GMV-ND90ZD/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-ND90ZD/A-T

Preview: Service Manual
Service Manual227 pages

Questions and Answers

  • L
    Leonard BlackAug 20, 2025
    Why is my Gree GMV-ND90ZD/A-T having a poor cooling effect?
    • Y
      yramosAug 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.
  • M
    Monica NorrisAug 22, 2025
    Why my Gree Air Conditioner can't start up?
    • D
      David RodriguezAug 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.
  • J
    Jamie PrattAug 25, 2025
    How to improve the cooling effect of my Gree Air Conditioner?
    • K
      Kyle PhillipsAug 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.
  • E
    Elizabeth HallAug 26, 2025
    How to improve the heating effect of my Gree GMV-ND90ZD/A-T Air Conditioner?
    • J
      Jennifer SheppardAug 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
    Bradley MontgomeryAug 27, 2025
    Why is my Gree Air Conditioner having a poor heating effect?
    • P
      Peter RoseAug 28, 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.
  • A
    Alexis CarterAug 29, 2025
    How to fix mode shock in Gree GMV-ND90ZD/A-T?
    • S
      Shaun HamiltonAug 30, 2025
      If your Gree Air Conditioner is experiencing mode shock, try resetting the unit to eliminate the mode shock.
  • R
    Robert Graham DDSAug 31, 2025
    What to do if my Gree GMV-ND90ZD/A-T stops after running for a while?
    • R
      Ryan HallAug 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.
  • T
    Travis MccoySep 2, 2025
    What to do if the indoor fan doesn’t start up during heating in my Gree GMV-ND90ZD/A-T Air Conditioner?
    • S
      Sarah GarrettSep 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.
  • S
    Stacy PowersSep 4, 2025
    What to do if my Gree GMV-ND90ZD/A-T Air Conditioner shows a communication malfunction?
    • N
      Nicole CarterSep 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.
  • R
    Robert PerezSep 6, 2025
    What to do if Gree GMV-ND90ZD/A-T Air Conditioner shows water overflow protection?
    • L
      lcastilloSep 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

Owners Manual

Safety Precautions

Installation and Electrical Safety Measures

Covers safe installation practices, power supply, grounding, and wiring requirements.

Operational and Handling Safety

Addresses safe operation, accessory use, refrigerant handling, and controller connection.

Safe Usage and Environmental Warnings

Details safe operating practices, avoiding damage, and temperature setting guidelines.

Maintenance and Repair Safety

Emphasizes powering off for cleaning, avoiding harsh cleaning methods, and professional repair.

Preparations for Installation

Selecting the Installation Location

Communication Wire Selection Criteria

Power and Communication Wiring Specifications

Details requirements for power cords, air switches, grounding, and wire gauges.

Installation Instructions

Mounting the Indoor Unit (Suspending)

Connecting Refrigerant Pipes

Detailed steps for properly connecting refrigerant copper pipes using specified tools.

Drainage Pipe Installation Guidelines

Drainage Pipe Installation Details and Insulation

Drainage System Testing Procedure

How to test the drainage system by injecting water and checking for leaks.

Wired Controller Installation Guide

Wiring Work

General Wiring Safety and Precautions

Essential safety rules and guidelines for all wiring procedures.

Connecting Wires to Terminals

Power Cord Connection Procedure

Detailed steps for connecting the power cord to the unit.

Indoor to Outdoor Unit Communication Wiring

Wired Controller Communication Wiring

Routine Maintenance

Air Filter Cleaning Instructions

Pre-Seasonal Maintenance Checks

Table of Error Codes for Indoor Unit

Troubleshooting

Unit Startup and Operation Failures

Solutions for common issues preventing the unit from starting or running.

Cooling and Heating Performance Problems

Troubleshooting steps for poor cooling or heating efficiency.

Heating Fan Not Starting Issue

Gree GMV-ND90ZD/A-T Specifications

General IconGeneral
Cooling Capacity9.0 kW
Heating Capacity10.0 kW
RefrigerantR410A
Noise Level (Outdoor Unit)52 dB(A)
TypeVRF
Power Supply220-240V, 50Hz

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