1. Introducció i finalview
This manual provides essential information for the installation, operation, and maintenance of your Gree Multi21+ Dual-Zone Concealed Duct Mini Split Air Conditioner Heat Pump. This system is designed to provide efficient heating and cooling for two distinct zones within a building.
The Multi21+ system utilizes Gree's G10 inverter-driven compressor technology and eco-friendly R410A refrigerant. The concealed duct indoor units are designed for discreet installation above suspended ceilings or within closet spaces, delivering conditioned air through ductwork and grilles.
Les característiques clau inclouen:
- Dual-zone capability for independent temperature control.
- Concealed duct indoor units for aesthetic integration.
- G10 Inverter Technology for energy efficiency and stable temperatures.
- Heating and cooling functionality.
- Operació silenciosa.
2. Informació de seguretat
AVÍS: Una instal·lació, un ajust, una alteració, un servei o un manteniment incorrectes poden causar danys materials, lesions o la mort. Llegiu atentament les instruccions d'instal·lació i funcionament abans d'instal·lar o fer el manteniment d'aquest equip.
- Installation and servicing must be performed by a qualified, licensed HVAC technician.
- Assegureu-vos que totes les connexions elèctriques compleixin amb els codis elèctrics locals i nacionals.
- Do not attempt to repair or modify the unit yourself. Contact a qualified service professional.
- Desconnecteu sempre l'alimentació de la unitat abans de realitzar qualsevol manteniment o neteja.
- Refrigerant R410A is under high pressure. Only trained personnel should handle refrigerant.
3. Components del producte
The Gree Multi21+ system consists of the following main components:
- Outdoor Condenser Unit: Houses the compressor and outdoor coil.
- Indoor Concealed Duct Units (x2): Installed within ceilings or walls, connected to ductwork.
- Remote Controls (x2): For individual zone control.
Figura 3.1: Mésview of the Gree Multi21+ Dual-Zone Mini Split System, showing the outdoor condenser unit, two concealed duct indoor units, and two remote controls.
Figure 3.2: A single Gree concealed duct indoor unit, designed for hidden installation within a ceiling or wall cavity.
Figure 3.3: The Gree outdoor condenser unit, featuring the GREE logo and inverter technology label.
Figure 3.4: Two remote controls for operating the Gree Multi21+ system, each controlling an individual indoor unit.
4. Configuració i instal·lació
The installation of the Gree Multi21+ Dual-Zone Concealed Duct Mini Split Air Conditioner Heat Pump 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 eligibility.
Les consideracions clau per a la instal·lació inclouen:
- Proper sizing and placement of indoor and outdoor units.
- Installation of refrigerant line sets (1/4" x 1/2" line set x2 required, not included).
- Electrical wiring according to local codes (208/230V).
- Ductwork design and installation for concealed indoor units.
- Condensate drainage system setup.
- System evacuation and refrigerant charging.
Refer to the separate detailed installation manual provided with the product for specific instructions, diagrams, and safety precautions for licensed professionals.
5. Instruccions de funcionament
Each indoor unit is controlled independently by its dedicated remote control. Familiarize yourself with the remote control functions for optimal comfort.
5.1 Funcionament bàsic
- Encès/apagat: Press the 'On/Off' button to start or stop the unit.
- Selecció del mode: Use the 'Mode' button to cycle through operating modes: Cool, Heat, Fan, Dry, Auto.
- Ajust de temperatura: Use the 'Up' and 'Down' arrow buttons to set your desired temperature.
- Velocitat del ventilador: Adjust fan speed using the 'Fan' button (Auto, Low, Medium, High).
5.2 Funcions avançades
- Funció de temporitzador: Configura la unitat perquè s'encengui o s'apagui automàticament a una hora especificada.
- Mode de repòs: Optimitza la temperatura i la velocitat del ventilador per a un son còmode.
- Funció de swing: Adjusts the airflow direction.
Figure 5.1: The system provides both cooling (left) and heating (right) capabilities for year-round comfort.
6. Manteniment
Regular maintenance ensures the longevity and efficient operation of your Gree Multi21+ system. Always disconnect power to the unit before performing any maintenance.
6.1 Neteja del filtre d'aire
The indoor units are equipped with air filters that should be cleaned regularly (typically every 2-4 weeks, depending on usage and air quality). Refer to the indoor unit's specific instructions for filter access and cleaning procedures.
- Traieu amb cura els filtres d'aire.
- Clean filters with a vacuum cleaner or wash with lukewarm water and mild detergent.
- Deixeu que els filtres s'assequin completament abans de tornar-los a instal·lar.
6.2 Manteniment de la unitat exterior
The outdoor unit's coils can accumulate dirt and debris, reducing efficiency. Periodically inspect and clean the outdoor coil. This task is best performed by a qualified technician.
6.3 Inspecció professional
It is recommended to have a licensed HVAC technician perform a professional inspection and tune-up of your system annually. This includes checking refrigerant levels, electrical connections, and overall system performance.
7. Solució De Problemes
Abans de contactar amb el servei tècnic, torneu aview els següents problemes i solucions habituals:
| Problema | Causa possible | Solució |
|---|---|---|
| La unitat no s'encén | Sense alimentació, piles del comandament a distància baixes, interruptor automàtic saltat. | Comproveu el subministrament d'alimentació, substituïu les piles del comandament a distància i reinicieu l'interruptor automàtic. |
| Refrigeració/calefacció insuficient | Filtres d'aire bruts, unitat exterior bloquejada, configuració de mode incorrecta, refrigerant baix. | Clean air filters, clear obstructions from outdoor unit, verify mode, contact technician for refrigerant check. |
| Soroll inusual | Peces soltes, objectes estranys, problema amb el compressor. | Inspect for loose parts, remove foreign objects, contact technician if noise persists. |
| Fuga d'aigua | Blocked condensate drain, improper installation. | Clear drain line, contact technician for inspection. |
If the problem persists after attempting these solutions, contact a qualified HVAC service technician.
8. Especificacions
The following table outlines the general specifications for the Gree Multi21+ Dual-Zone Concealed Duct Mini Split Air Conditioner Heat Pump, Model MULTI24CDUCT205:
| Especificació | Valor |
|---|---|
| Marca | GREE |
| Número de model | MULTI24CDUCT205 |
| Capacitat | 2 tones (24,000 BTU) |
| Ràtio d'eficiència energètica estacional (SEER) | 21 |
| Voltage | 230 Volts |
| Nivell de soroll (unitat exterior) | 50 decibels |
| Refrigerant | R 410A |
| Tipus d'instal·lació | Split System (Concealed Duct) |
| Tipus de material | Acer |
| Característica especial | Filtre de purificació d'aire |
| Item Weight (Outdoor Unit) | 153 lliures |
| Dimensions del producte (unitat exterior) | 17 x 38 x 31 polzades |
8.1 Dimensions de la unitat
Figure 8.1: Dimensions for various BTU capacities of Gree Duct-A indoor and outdoor units. Refer to this table for specific measurements relevant to your 18,000 BTU indoor units and 24,000 BTU outdoor unit.
9. Garantia i Suport
Gree provides a manufacturer's warranty for this product:
- 5 Years on Parts
- 7 anys al compressor
Please Note: To be eligible for the manufacturer's warranty, installation must be performed by a state-licensed HVAC contractor.
For technical support, service inquiries, or warranty claims, please contact your installing HVAC contractor or refer to the official Gree weblloc web per obtenir informació de contacte del servei d'atenció al client.
