Introdución
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Gree Multi21+ Tri-Zone Floor Console Mini Split Air Conditioner Heat Pump system. Please read this manual thoroughly before using the product and retain it for future reference.
Información importante de seguridade
Siga sempre as seguintes precaucións de seguridade para evitar lesións ou danos na unidade.
- Instalación profesional: Installation must be performed by a state-licensed HVAC contractor. Improper installation can lead to electric shock, fire, water leakage, or other hazards.
- Fonte de alimentación: Ensure the unit is connected to a dedicated power circuit with the correct voltage (208/230V). Do not use extension cords.
- Refrigerante: This system uses R-410A refrigerant. Only qualified personnel should handle refrigerant.
- Seguridade eléctrica: Do not operate the unit with wet hands. Disconnect power before cleaning or servicing.
- Nenos e animais: Manteña os nenos e as mascotas lonxe da unidade, especialmente durante o funcionamento e o mantemento.
- Ventilación: Asegúrese de que haxa unha ventilación axeitada arredor da unidade exterior para evitar o sobrequecemento.
Produto rematadoview
The Gree Multi21+ Tri-Zone system consists of one outdoor condenser unit and three indoor floor console units, designed to provide efficient heating and cooling for multiple zones.

This image displays the complete Gree Multi21+ Tri-Zone Mini Split system, featuring one outdoor condenser unit and three indoor floor console units, along with their respective remote controls. The indoor units are white and designed for floor-level installation.
Indoor Floor Console Unit
The indoor floor console units are designed for discreet placement near the floor, offering quiet and efficient climate control.

Unha fronte view of the Gree Multi21+ Floor Console indoor unit. This white unit features a sleek design with air vents at the top and bottom, and the Gree logo prominently displayed.

Un lado view of the Gree Multi21+ Floor Console indoor unit, showing its depth and design. A QR code is visible on the side panel, likely for quick access to product information or support videos.
Unidade condensadora exterior
The outdoor unit houses the compressor and other components responsible for the system's heating and cooling capabilities.

The Gree Multi21+ outdoor condenser unit, featuring a protective grille over the fan and the Gree logo. This unit is designed to be installed outside the building.
Configuración e instalación
The installation of the Gree Multi21+ Tri-Zone Mini Split system is complex and requires specialized knowledge and tools. It is mandatory that installation be performed by a state-licensed HVAC contractor to ensure proper function, safety, and warranty validity.
Consideracións clave para a instalación:
- Line Sets: Three 1/4" x 3/8" line sets are required for connecting the indoor units to the outdoor unit. These are not included with the system.
- Cableado eléctrico: Proper electrical wiring to a 208/230V power source is critical.
- Drenaxe: Ensure proper condensate drainage for each indoor unit.
- Montaxe: Indoor units can be mounted as low as six inches above the floor.
- Carga de refrixerante: The system uses R-410A refrigerant, which must be handled by certified technicians.
Instrucións de funcionamento
Your Gree Multi21+ system is controlled via a remote control for each indoor unit. The G10 inverter technology ensures quiet, energy-efficient operation and stable room temperatures.

An indoor floor console unit with its accompanying remote control. The remote allows users to adjust settings such as temperature, mode, and fan speed.
Operación básica:
- Encendido/apagado: Preme o botón de acendido do control remoto para acender ou apagar a unidade.
- Selección de modo: Use the "Mode" button to cycle through operating modes: Cool, Heat, Fan, Dry, Auto.
- Axuste de temperatura: Use as frechas arriba/abaixo para axustar a temperatura desexada.
- Velocidade do ventilador: Adjust the fan speed (Low, Medium, High, Auto) using the "Fan" button.
- Función de balanceo: Activate the swing function for automatic louver movement to distribute air evenly.
Refer to the specific remote control manual for detailed instructions on advanced features such as timer settings, sleep mode, and special functions.
Mantemento
Regular maintenance ensures optimal performance and longevity of your Gree Multi21+ system. Always disconnect power to the unit before performing any maintenance.
Limpeza de filtros:
- The indoor floor console units feature front panel access to the air filter for ease of cleaning.
- Limpa os filtros de aire cada dúas semanas ou con máis frecuencia dependendo do uso e da calidade do aire.
- To clean, open the front panel, remove the filters, and wash them with lukewarm water and mild detergent. Rinse thoroughly and allow them to dry completely before reinserting.
Mantemento profesional:
It is recommended to have a licensed HVAC technician perform annual inspections and maintenance, including checking refrigerant levels, cleaning coils, and inspecting electrical connections.
Resolución de problemas
Antes de contactar co servizo de atención ao cliente, volva aview os seguintes problemas e solucións comúns:
| Problema | Causa posible | Solución |
|---|---|---|
| A unidade non se acende | Sen electricidade, pilas do mando a distancia baixas, disyuntor saltado. | Comprobe a fonte de alimentación, substitúa as pilas do mando a distancia e reinicie o disyuntor. |
| Refrixeración/quecemento insuficiente | Dirty air filter, blocked outdoor unit, incorrect mode setting, low refrigerant. | Clean air filter, clear obstructions from outdoor unit, verify mode, contact technician for refrigerant check. |
| Ruído insólito | Pezas soltas, obstrución do ventilador, ruído do fluxo de refrixerante (normal). | Inspect for loose parts, remove obstructions. If noise persists or is abnormal, contact technician. |
| Fuga de auga da unidade interior | Manguera de drenaxe atascada, instalación incorrecta. | Check and clear drain hose. If issue persists, contact a licensed HVAC contractor. |
Especificacións
Key technical specifications for the Gree Multi21+ Tri-Zone Floor Console Mini Split Air Conditioner Heat Pump system, model MULTI24CCONS301.
- Marca: GREE
- Número de modelo: MULTI24CCONS301
- Potencia de refrixeración: 24,000 unidades térmicas británicas (BTU)
- Capacidade: 2 toneladas
- Índice de eficiencia enerxética estacional (EEEE): 21
- Voltage: 230 voltios
- Nivel de son: 56 Decibels (Outdoor Unit)
- Refrigerante: R-410A
- Método de control: Mando a distancia
- Característica especial: Fast Cooling, G10 Inverter Technology
Dimensións da unidade (aproximadas)

This image displays a table detailing the approximate dimensions (Width x Height x Depth) for various BTU capacities of Gree Multi-Console indoor and outdoor units. For the 24,000 BTU outdoor unit, the dimensions are 38" x 31.1" x 17.3".
For specific dimensions of the 24,000 BTU outdoor unit, refer to the table above or the product's technical documentation. Indoor unit dimensions for 9,000, 12,000, and 18,000 BTU are listed as 27.6" x 23.6" x 8.5".
Garantía e Soporte
Gree provides a manufacturer's warranty for this product:
- Garantía de pezas: 5 Anos
- Garantía do compresor: 7 Anos
Importante: To be eligible for warranty coverage, installation must be performed by a state-licensed HVAC contractor.
For technical support, warranty claims, or service inquiries, please contact your installing HVAC contractor or refer to the official Gree website for authorized service providers.

This image displays various certifications and features of Gree products, including a "5 Year Limited Warranty" icon, "Non Ozone-Depleting Refrigerant R410A", "Heating & Cooling" icon, ETL Listed, G10 Inverter Technology, AHRI Certified, and Energy Star (except 42k model) logos.





