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Gree GMV-NDX224P/A-T - User Manual

Gree GMV-NDX224P/A-T
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Owner's Manual
Original Instructions
Commercial Air Conditioners
Multi Variable Air Conditioners
Fresh Air Series Indoor Unit
Models:
GMV-NDX125P/A-T
GMV-NDX140P/A-T
GMV-NDX224P/A-T
GMV-NDX250P/A-T
GMV-NDX280P/A-T

Table of Contents

Questions and Answers

  • E
    edwardslauraJul 25, 2025
    Why is my Gree GMV-NDX224P/A-T Air Conditioner not cooling properly?
    • I
      igillJul 25, 2025
      If your Gree Air Conditioner isn't cooling well, several factors could be the cause. Try these solutions: * Clean or unblock the filter. * Reduce the heat load in the room by reducing the number of people or heat-generating sources. * Close doors and windows to keep the cool air in. * Make sure that the air inlet and outlet of the indoor unit are not blocked. * Lower the set temperature or fix refrigerant leaks. * Check the performance of the room temperature sensor.
  • M
    Mike MoranJul 31, 2025
    What to do if my Gree GMV-NDX224P/A-T won't start?
    • G
      Gary LyonsJul 31, 2025
      If your Gree Air Conditioner won't start, consider the following: * Ensure the power supply is properly connected. * Check if the circuit breaker is tripping due to an electrical leak. * Verify that the input voltage is not too low. * Confirm that the operation button is not off. * Check for any errors in the control loop.
  • M
    Melanie MillerAug 6, 2025
    Why is my Gree Air Conditioner not heating properly?
    • A
      Ann HutchinsonAug 6, 2025
      If your Gree Air Conditioner isn't heating effectively, consider these possible solutions: * Clean or unblock the filter. * Close the door or window to prevent heat loss. * Increase the set temperature. * Fix any refrigerant leaks. * Avoid operating the unit when the outdoor temperature is below -5 degrees. * Check for errors in the control circuit.
  • F
    Fernando WeberAug 12, 2025
    What to do if my Gree GMV-NDX224P/A-T stops after running for a while?
    • J
      Jared OlsenAug 13, 2025
      If your Gree Air Conditioner stops running after a period, consider these potential issues: * Check for any obstructions in front of the condenser. * Check for errors in the control loop. * Avoid using the cooling function when the outdoor temperature exceeds 43 degrees.
  • T
    Timothy GreenAug 18, 2025
    How to fix indoor fan if it doesn't start during heating in Gree Air Conditioner?
    • D
      daviskariAug 19, 2025
      If the indoor fan of your Gree Air Conditioner doesn’t start during heating, consider the following: * Ensure the tube temperature sensor is properly positioned. * Check if the tube temperature sensor is correctly inserted. * Check for any breaks in the wiring of the tube temperature sensor. * Check for electrical leakage in the capacitor.

Summary

Safety Precautions for Gree Air Conditioners

Installation and Operational Safety Warnings

Provides essential safety guidelines for installation and operation, emphasizing professional handling and precautions.

Gree Air Conditioner Product Introduction

Unit Overview and Connectivity Options

Details the VRF fresh air series indoor units, their models, and connection methods with outdoor units.

Rated Working Conditions Specification

Specifies the indoor and outdoor conditions for rated cooling and heating performance.

Operational Temperature Range

Defines the operational ambient dry bulb temperature range for the unit.

Preparations for Air Conditioner Installation

Included Standard Fittings

Lists and describes the standard accessories provided for unit installation.

Ideal Installation Location Guidelines

Advises on suitable and unsuitable locations for installing the indoor unit.

Communication Line Specifications

Outlines specifications and considerations for communication wiring between units.

Electrical Wiring and Power Requirements

Specifies power supply, circuit breaker, and wire gauge requirements for safe operation.

Air Conditioner Installation Instructions

Indoor Unit Mounting and Dimensions

Provides dimensions and guidelines for selecting installation spots for the indoor unit.

Mounting Bolt Installation and Unit Lifting

Details the process of drilling for mounting bolts and securely lifting and attaching the unit.

Unit Alignment and Refrigerant Pipe Connection

Ensures the unit is level and guides on connecting refrigerant pipes correctly.

Drain Pipe Installation and System Testing

Guides on proper drain pipe connection, slope, insulation, and testing procedures.

Drainage System Testing and Air Duct Setup

Details drainage system testing and requirements for air duct installation.

Air Duct Types and Opening Specifications

Explains installation for rectangular and circular ducts and specifies air outlet/return opening dimensions.

Wired Controller Installation Procedure

Provides instructions for installing the wired controller for unit operation.

Gree Air Conditioner Wiring Work

Wire Connections to Terminal Boards

Details methods for connecting wires to terminal boards using different wire types.

Power Cord and Circuit Breaker Connection

Explains how to connect the power cord, including circuit breaker requirements.

Indoor;Outdoor Unit Communication Wiring

Guides on connecting the communication cables between indoor and outdoor units.

Wired Controller Communication Wiring

Describes how to connect the communication wire for the wired controller to the indoor unit.

Network Configuration for Wired Controllers

Explains network setup for wired controllers, addressing, and unit control capacity.

Routine Maintenance for Gree Units

Indoor Unit Filter Cleaning

Provides steps for removing, cleaning, and drying the unit's filters.

Before Seasonal Use Maintenance

Lists checks to perform before starting the unit for a new season.

After Seasonal Use Maintenance

Outlines procedures for maintaining the unit when it will not be used for an extended period.

Table of Error Codes for Indoor Unit

Indoor Unit Error Code Directory

A comprehensive list of error codes for the indoor unit and their corresponding meanings and potential causes.

Troubleshooting Common Gree Air Conditioner Issues

Troubleshooting Unit Start-up and Operation

Addresses common issues preventing the unit from starting or causing it to stop during operation.

Troubleshooting Cooling and Heating Performance

Provides solutions for problems related to insufficient cooling or heating performance.

Troubleshooting Fan and Sensor Issues

Offers troubleshooting steps for issues with the indoor fan and temperature sensors.

Gree GMV-NDX224P/A-T Specifications

General IconGeneral
Cooling Capacity22.4 kW
RefrigerantR410A
TypeVRF
Heating Capacity25 kW
Power Supply380-415V/3Ph/50Hz

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