1. Introducció
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your DELLA 27K BTU 3-Zone Mini Split Air Conditioner Heat Pump, Model 1D3-TP+T9918. Please read this manual thoroughly before installation and use, and retain it for future reference.
2. Informació de seguretat
Instruccions importants de seguretat:
- Instal·lació professional necessària: This air conditioning system requires professional installation. It is not designed for DIY installation. Improper installation can lead to electric shock, fire, water leakage, or other damage.
- Requisits elèctrics: Ensure the power supply matches the unit's specifications (208-230V). The maximum fuse size is 30A. All electrical work must comply with local and national electrical codes.
- Manipulació de refrigerants: This unit uses R454B refrigerant. Any alteration of line set length requires adjusting refrigerant levels, which must be performed by a certified technician. Line set vacuuming is required during installation.
- Liquidació: Maintain adequate clearance around both indoor and outdoor units for proper airflow and maintenance.
- Nens i animals de companyia: Mantingueu els nens i les mascotes allunyats de la unitat durant el funcionament i el manteniment.
3. Producte acabatview
The DELLA 27K BTU 3-Zone Mini Split Air Conditioner Heat Pump system provides efficient cooling and heating for up to 1800 sq. ft. It features a 24 SEER2 rating for energy efficiency and operates quietly at 43 dBa. The system includes one outdoor condenser unit and three indoor air handlers (9000 BTU + 9000 BTU + 18000 BTU), allowing for individual temperature control in multiple rooms.
Característiques principals:
- Eficient energètic: 24 SEER2 rating with DC Inverter technology for up to 30% power savings.
- Confort multizona: Three indoor units for independent climate control in different areas.
- Ampli rang de funcionament: Heat pump function operates down to -13°F (-25°C).
- Funcions intel·ligents: I Feel mode, 24-hour timer, Sleep mode, Eco energy saving mode, 4D airflow (up-down, left-right), Turbo function, Cooling, Heating, Auto, and Dry (dehumidifying) modes.
- Funcionament silenciós: Operates at an ultra-silent 43 dBa.
- Connectivitat intel·ligent: Works with Alexa and Wi-Fi via the Della+ app, including Smart Geo Location features.
Components del sistema:
The DELLA 27K BTU 3-Zone Mini Split system includes the following main components:
- 1 x Outdoor Condenser Unit
- 3 x Indoor Air Handler Units (9000 BTU, 9000 BTU, 18000 BTU)
- 3 x comandaments a distància
- 3 x 16ft Copper Linesets (Standard size 1/4" & 1/2", 2 * 1/4" & 3/8" outer dimension)
- 3 x 6.56ft Outlet Drain Pipes (inner/outer diameter size: 15.5mm/16.9mm)
- Installation Kits (various mounting hardware, insulation, communication cables)
- Manual d'usuari

Figure 3.1: Complete DELLA 27K BTU 3-Zone Mini Split System

Figura 3.2: Explotat View dels components del sistema
4. Instal·lació (Configuració)
Installation of the DELLA 27K BTU 3-Zone Mini Split Air Conditioner Heat Pump must be performed by a qualified and certified HVAC professional. Attempting self-installation will void the warranty and may result in serious injury or damage to the unit.
Instal·lació acabadaview:
- Selecció del lloc: Choose appropriate locations for the outdoor unit and each indoor unit, ensuring proper airflow and structural support.
- Muntatge: Securely mount indoor units and the outdoor unit according to manufacturer guidelines.
- Connexió del conjunt de línies: Connect the refrigerant lines and drain pipes between the indoor and outdoor units. The system includes 16ft copper linesets and 6.56ft drain pipes for each indoor unit.
- Cablejat elèctric: Connect the power supply and communication cables. Ensure all electrical connections are secure and meet local codes.
- Vacuuming and Leak Test: The refrigerant lines must be thoroughly vacuumed to remove air and moisture, and a leak test performed before releasinrefrigerant g.
- Càrrega de refrigerant: The unit is pre-charged. However, if line set lengths are altered, the refrigerant charge must be adjusted by a professional.
- Drenatge: Ensure proper drainage for condensate from the indoor units.
5. Instruccions de funcionament
Your DELLA Mini Split system can be operated using the included remote controls or via the Della+ smartphone application.
Operació de control remot:
Each indoor unit comes with a dedicated remote control for individual zone management. Refer to the diagram below for button functions.

Figura 5.1: Funcions del control remot
- Encès/apagat: Premeu el botó On/Off botó per iniciar o aturar la unitat.
- Selecció del mode: Utilitza el Canvi de modes button to cycle through Cooling, Heating, Dry, Fan, and Auto modes.
- Ajust de temperatura: Utilitza el Temps amunt i Temp baix buttons to set the desired temperature (range: 60-90°F).
- Velocitat del ventilador: Ajusteu la velocitat del ventilador amb el Velocitat del ventilador botó.
- Direcció del flux d'aire: Control vertical and horizontal swing using the respective buttons (Swing Vertical, Swing horitzontal).
- Temporitzador: Set an automatic on/off time using the Configuració del temporitzador botó.
- Mode de repòs: Activates a quiet, energy-saving operation for comfortable sleep.
- Mode ECO: Optimitza el funcionament per a l'eficiència energètica.
- Funció turbo: Proporciona un refredament o calefacció ràpida.
Smart Control (Della+ App & Voice Assistants):
The DELLA system is Wi-Fi enabled and can be controlled remotely via the Della+ smartphone application. It also integrates with Alexa and Google Assistant for voice control.

Figure 5.2: Della+ App Interface for Wireless Control
- Della+ App: Download the Della+ app from your smartphone's app store. Follow the in-app instructions to connect your air conditioner to your home Wi-Fi network. The app allows for full control of all functions, scheduling, and monitoring.
- Smart Geo Location: The Della+ app features Smart Geo Location, which can automatically adjust your AC unit's operation based on your proximity to your home.
- Control de veu: Once connected to the Della+ app, you can link your system to Amazon Alexa or Google Assistant for convenient voice commands.

Figure 5.3: Smart Geo Location Feature
6. Manteniment
Regular maintenance ensures optimal performance and longevity of your DELLA Mini Split system. Always disconnect power to the unit before performing any maintenance.
Manteniment rutinari:
- Neteja del filtre d'aire: Clean the air filters of the indoor units regularly (e.g., every 2-4 weeks, depending on usage and air quality). Remove filters, wash with mild soap and water, rinse thoroughly, and allow to dry completely before reinserting.
- Indoor Unit Exterior: Wipe the exterior of the indoor units with a soft, damp tela. No utilitzeu productes químics aggressivs ni netejadors abrasius.
- Outdoor Unit Coil Cleaning: Periodically inspect and clean the outdoor unit's condenser coils to remove dirt, leaves, and debris. This improves efficiency. Use a soft brush or vacuum cleaner.
- Comprovació del drenatge: Ensure the condensate drain lines are clear and free of obstructions to prevent water leakage.
- Inspecció professional: Schedule annual professional inspections and maintenance by a qualified HVAC technician to check refrigerant levels, electrical connections, and overall system health.
7. Solució De Problemes
If you encounter issues with your DELLA Mini Split system, refer to the following common troubleshooting tips. For complex problems, contact customer support or a certified technician.
Problemes comuns:
- Reduced Cooling/Heating Performance: If the total indoor capacity is higher than the outdoor unit’s output, the system can still function, but cooling or heating performance may be slower when all zones are operating beyond capacity. Ensure air filters are clean and outdoor unit coils are free of obstructions.
- Sense energia: Check the circuit breaker and ensure the unit is properly plugged in. Verify the maximum fuse size (30A) is not exceeded.
- El control remot no funciona: Check batteries and ensure there are no obstructions between the remote and the indoor unit.
- Sorolls inusuals: Minor noises during operation are normal. If loud or unusual noises occur, power off the unit and contact support.
- Fuga d'aigua: Comproveu si la línia de drenatge de condensats està obstruïda o instal·lada de manera incorrecta.
8. Especificacions
| Especificació | Detall |
|---|---|
| Nom de marca | Della |
| Número de model | 1D3-TP+T9918 |
| Eficiència | 24 SEER2 |
| Capacitat | 27000 BTU (2.25 tones) |
| Indoor Unit Configuration | 3 Zones (9000 BTU + 9000 BTU + 18000 BTU) |
| Àrea de cobertura | Up to 1800 Sq. Ft. (Recommended: 2x 400 Sq. Ft. + 1x 1000 Sq. Ft.) |
| Voltage | 208-230 volts |
| Wattage | 2020 watts |
| Tipus de refrigerant | R454B |
| Heat Pump Operating Range | Fins a -25 °C |
| Nivell de soroll | 43 dBa (Ultra Silent) |
| Característiques especials | Dehumidifier, Fast Cooling, Remote Control, WiFi Enabled, Alexa Compatible |
| Indoor Unit Dimensions (approx.) | 32.25 x 7.69 x 12.06 polzades |
| Tipus de material | Plàstic |
9. Garantia i Suport
DELLA is committed to providing reliable products and excellent customer service.
Informació de la garantia:
Your DELLA Mini Split Air Conditioner Heat Pump comes with a Limited Lifetime Warranty, offering peace of mind and unmatched support. Please refer to the warranty card included with your product for specific terms and conditions.

Figure 9.1: Lifetime Coverage
Atenció al client:
For any questions, technical assistance, or warranty claims, please contact DELLA Customer Support:
- Suport telefònic: Available Monday-Friday, 6 AM - 4 PM PST.
- Xat en directe: Available 24/7 for immediate assistance.
- Devolucions: Enjoy 30-day easy returns.

Figure 9.2: Dedicated Customer Support