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Need help?Do you have a question about the Gree GMV-ND28G/A3A-T and is the answer not in the manual?
Lists crucial factors for selecting the optimal location for indoor unit installation.
Outlines power cord size, air switch capacity, and ground wire specifications for various models.
Provides dimensions of the indoor unit and lists them by model for installation reference.
Explains how to properly connect wires to the terminal board and wiring terminals.
Details the connection of the power cord to ensure unified ON/OFF control for all indoor units.
Instructs on connecting the communication line between the indoor unit and outdoor unit.
Explains how to connect the communication wire for the wired remote controller.
This document serves as the Owner's Manual for Gree Commercial Air Conditioners, specifically Multi Variable Air Conditioners of the Wall Mounted Type Indoor Unit. It provides original instructions for installation, operation, and maintenance, ensuring users can master and correctly utilize the product to achieve expected operating effects.
The Gree Multi Variable Air Conditioner Wall Mounted Type Indoor Unit is designed to provide efficient and reliable climate control for commercial spaces. It operates as part of a multi-variable refrigerant flow (VRF) system, connecting to other indoor and outdoor units to create a comprehensive air conditioning solution. The unit is capable of both cooling and heating, allowing for year-round comfort. Its primary function is to circulate conditioned air within a room, maintaining a desired temperature and improving air quality. The system is designed for professional installation and is intended for use in environments where precise temperature management and energy efficiency are valued. The communication lines facilitate seamless interaction between indoor units, outdoor units, and wired controllers, enabling centralized control and optimized performance across the entire system.
The manual emphasizes several key usage features to ensure safe and effective operation. Users are advised to properly select the model based on their actual environment to avoid impacting convenience. The unit is designed for use by individuals aged 8 and above, as well as those with reduced physical, sensory, or mental capabilities, provided they receive supervision and understand the associated hazards. Children should not play with the appliance, and cleaning and user maintenance should not be performed by children without supervision.
For optimal performance and longevity, the product may consume some power in standby mode to maintain normal system communication and preheat refrigerant and lubricant. If the unit is not to be used for extended periods, the power supply should be cut off, and the unit should be energized and preheated in advance before reuse. The manual strictly prohibits installation in corrosive, flammable, or explosive environments, or places with special requirements like kitchens, as this could affect normal operation, shorten service life, or even cause fire hazards or serious injury. For such special places, anti-corrosive or anti-explosion air conditioners are recommended.
The air direction can be adjusted to maximize comfort and efficiency. The guide louver motor, controlled by the wireless remote, allows for vertical (up and down) swing or can be stopped at a specific angle for air supply. Pressing the "SWING" button initiates or stops this movement. For horizontal (left and right) air direction, the vertical louver can be manually adjusted to direct air to different corners of the room, promoting more even indoor temperatures.
The manual also provides guidance on best usage methods to prevent electricity waste and maintain optimal performance. It suggests adjusting the set temperature appropriately, ideally keeping the difference between indoor and outdoor temperatures within 5°C. For heating, adjusting the guide louver downward is recommended, while for cooling, a horizontal position is preferred. To maintain efficiency, users should avoid keeping windows or doors open for long periods while the air conditioner is running.
Maintenance is crucial for the air conditioner's performance and lifespan, and the manual outlines several key procedures. Before any cleaning, the unit must be turned off, and the power supply disconnected to prevent electric shock. The air conditioner should never be made wet or cleaned by water rinsing, as this could lead to electric shock. Volatile liquids like thinner or gasoline are strictly prohibited for cleaning, as they can damage the unit's appearance. Only a soft, dry cloth or a wet cloth moistened with neutral detergent should be used to clean the surface panel.
Cleaning the panel involves pulling it along the arrow direction to remove it, cleaning it with a soft-hair brush, water, and neutral cleaning fluid, and then drying it. Hot water above 45°C should not be used to prevent discoloration or deformation. After cleaning, the panel should be reinstalled by fitting the stands into the slots and the rotating shaft into the groove, then clasping it back into place.
Air filters should be cleaned every three months, or more frequently in dusty environments. To clean, the surface panel is opened, and the air filter is taken out downward. The filter can be washed with cleaner or water. If it's particularly dirty, warm water (below 45°C) with neutral detergent can be used, followed by drying in the shade. Hot water above 45°C should be avoided to prevent fading or deformation, and the filter should never be burned. After cleaning, the air filter is installed properly with the "Front" side facing the user, and the panel is placed back.
Before each usage season, users should check for any blockages in the air conditioner's inlet or outlet vents, verify that the earth wire is reliably earthed, ensure batteries in the wireless remote controller have been replaced, and confirm the air filter is properly installed. For smooth startup after a long period of inactivity, it's recommended to energize the unit 8 hours before turning it on. After the usage season, the filter and body of the air conditioner should be cleaned, and the main power supply cut off.
The manual also covers troubleshooting for malfunctions, advising users to contact the service center for repairs rather than attempting them independently, as incorrect repairs can lead to electric shock or fire. It provides a table of error codes for indoor units and a section on malfunction analyzing to help users identify common issues and potential solutions before contacting service. For instance, if the air conditioner doesn't start, checks include power supply, circuit protector status, voltage, and timer settings. Poor cooling/heating effect might be due to improper temperature settings, blocked vents, dirty air filters, or open windows/doors. If the wireless remote controller isn't working, users should check batteries, press the "ACL" button, and consider de-energizing and re-energizing the controller.
General| Brand | Gree |
|---|---|
| Model | GMV-ND28G/A3A-T |
| Category | Air Conditioner |
| Language | English |
