Introducció
This manual provides essential information for the proper installation, operation, and maintenance of your DELLA 27K BTU Dual Zone Mini Split Air Conditioner & Heat Pump. Please read this manual thoroughly before installation and use to ensure optimal performance and safety. This unit is designed to provide efficient cooling and heating for multiple rooms, covering up to 2000 Sq. Ft. with its 18,000 BTU + 18,000 BTU indoor units.

Figure 1: DELLA 27K BTU Dual Zone Mini Split Air Conditioner and Heat Pump components.
Informació de seguretat
Always adhere to local electrical codes and regulations. Professional installation is highly recommended for this system. Failure to follow these instructions may result in property damage, personal injury, or death.
- Seguretat elèctrica: Ensure the power supply matches the unit's requirements (208-230V). Use a dedicated circuit with appropriate overcurrent protection. All wiring must be securely connected and grounded.
- Manipulació de refrigerants: This unit contains refrigerant. Only qualified personnel should handle refrigerant and perform vacuuming procedures. Improper handling can lead to leaks and system damage.
- Ubicació de la instal·lació: Choose a sturdy wall capable of supporting the indoor unit's weight without vibration. Ensure proper clearances around both indoor and outdoor units for optimal airflow and performance.
- Advertència de la proposta 65: Aquest producte us pot exposar a substàncies químiques, com ara el plom, que l'estat de Califòrnia sap que causa càncer i defectes de naixement o altres danys reproductius. Per a més informació aneu a www.P65Warnings.ca.gov.
Producte acabatview
The DELLA 27K BTU Dual Zone Mini Split system offers advanced climate control with high energy efficiency. It features two indoor air handlers and one outdoor condenser, allowing for individual temperature control in separate rooms.
- Eficient energètic: 19 SEER2 rating with DC Inverter technology for up to 30% power savings.
- Confort multizona: Two 18,000 BTU indoor units provide cooling and heating for up to 2000 Sq. Ft. total.
- Funcions intel·ligents: WiFi enabled, compatible with Alexa, I Feel mode, 24-hour timer, sleep mode, ECO energy saving mode, multiple fan speeds, turbo function, heating, cooling, and dry modes.
- Funcionament silenciós: Operates at an ultra-silent 50 dBa.

Figure 2: Key components of the DELLA Mini Split system.
Configuració i instal·lació
Proper installation is crucial for the longevity and efficiency of your mini split system. This section outlines key considerations and steps.
Consideracions sobre la ubicació de la instal·lació
- Unitat interior: Must be at least 6 inches below the ceiling for proper airflow. Ensure the wall is sturdy enough to support the unit's weight without vibration. Keep the inlet and outlet clear of obstructions. Install at least 10 feet (3 meters) away from TVs or radio appliances to prevent interference.
- Unitat exterior: Must be spaced away from the wall. Ensure no plants or objects are within 3 feet of the appliance to allow for proper air circulation.
Refer to the user manual's "Installation Preview Section" for specific clearances for your model.
Handling Refrigerant Pipes
Handle refrigerant pipes with care. It is highly recommended to use a bending tool. If bending by hand, do so very slowly to prevent kinking or damage. Damaged pipes can lead to refrigerant leaks and system malfunction.
Bundling the Line Set
After installing the indoor unit, ensure the line set is angled downward and the drain pipe is pointed straight down. This allows proper liquid flow and prevents leaks.
Vacuum Pumping the Refrigerant Circuit
Vacuuming the lines is a critical step to remove air and moisture for maximum efficiency. You will need a vacuum pump, line set, gauge, and valve core removal tool.
- Vacuum for at least 15 minutes per line set, depending on your pump's strength.
- For multi-zone systems, vacuum each line set separately.
- Use a micron gauge to reach 500 microns. If using a manifold gauge, aim for -30 PSI.
- Add refrigerant if your line set exceeds 25 feet.
Connexió elèctrica
Ensure a safe electrical connection. Verify your home's voltage (110V or 220V) and select the appropriate breaker size and UL-listed wire for the mini split system.
Vídeos d'instal·lació
Video 1: 5 Urgent Steps Need to Know Before Installing Della Mini Split. This video provides crucial pre-installation tips to ensure a smooth setup process.
Video 2: Install Your DELLA Mini Split Unit. A detailed guide on the installation process for your DELLA Mini Split.
Video 3: How to wire your Della mini split unit. This video demonstrates the correct wiring procedures for your unit.
Instruccions de funcionament
Your DELLA Mini Split system can be controlled via the included remote control or the Della+ app for smart functionalities.
Funcions de control remot
The remote control allows you to access various modes and settings for your comfort.

Figure 3: DELLA Mini Split Remote Control Overview.
- Modes: Switch between Cool, Heat, Dry, Fan Only, and Auto modes.
- Velocitat del ventilador: Adjust fan speed for desired airflow.
- swing: Control de la direcció vertical i horitzontal del flux d'aire.
- Temporitzador: Set a 24-hour timer for automatic on/off.
- Mode de repòs: Optimitza la temperatura i la velocitat del ventilador per a un son còmode.
- Mode ECO: Funcionament d'estalvi d'energia.
- Funció turbo: Proporciona un refredament o calefacció ràpida.
Della+ App and Smart Features
Control your unit remotely and access advanced features using the Della+ app, compatible with Alexa and Google Assistant.

Figure 4: Della+ App Interface.
- Comandament a distància: Adjust settings from anywhere using your smartphone.
- Smart Geo Location: Automatically turns the AC unit on or off based on your location.
- Control de veu: Seamlessly integrates with Alexa and Google Assistant for hands-free operation.
- Programació: Plan your week in advance by setting schedules for turning the unit on/off and customizing modes.
Video 4: Della Mini split app 3.0. Explore the features and functionality of the Della+ mobile application.
Video 5: Geo Location Function. Learn how to utilize the smart geo-location feature for automated climate control.
Video 6: DELLA Mini Split Air Conditioner. A general overview of the DELLA Mini Split Air Conditioner's features and benefits.
Manteniment
Regular maintenance ensures the efficiency and longevity of your DELLA Mini Split system.
- Neteja de filtres: Clean the air filters regularly (every 2-4 weeks, depending on usage) to maintain airflow and efficiency. Refer to the full user manual for detailed instructions on filter removal and cleaning.
- Neteja de la unitat exterior: Mantingueu la unitat exterior neta de deixalles, fulles i altres obstruccions. Netegeu periòdicament les serpentines amb un raspall suau o un aspirador.
- Comprovació del drenatge: Ensure the drain pipe is free of blockages to prevent water overflow from the indoor unit.
- Inspecció professional: It is recommended to have a qualified HVAC technician inspect and service your unit annually to ensure proper operation and address any potential issues.
Resolució de problemes
If you encounter issues with your DELLA Mini Split, refer to the following common troubleshooting tips. For complex problems or error codes, contact customer support.
| Problema | Causa possible | Solució |
|---|---|---|
| La unitat no s'encén | Sense alimentació, interruptor automàtic saltat, piles del comandament a distància baixes. | Comproveu la font d'alimentació, reinicieu l'interruptor i substituïu les piles del comandament a distància. |
| Refrigeració/calefacció insuficient | Filtres d'aire bruts, unitat exterior bloquejada, configuració de mode incorrecta, refrigerant baix. | Clean filters, clear obstructions from outdoor unit, select correct mode, contact technician for refrigerant check. |
| Fuites d'aigua de la unitat interior | Clogged drain pipe, improper installation angle. | Clear drain pipe, ensure proper downward angle of line set. |
| Sorolls o vibracions inusuals | Loose parts, unit not level, foreign objects in fan. | Check for loose components, ensure unit is level, inspect for obstructions. |
| Error Codes (e.g., E9, E4) | System malfunction, sensor issue, refrigerant pressure issue. | Note the error code and contact DELLA customer support for diagnosis and resolution. |
Especificacions
| Característica | Detall |
|---|---|
| Marca | Della |
| Número de model | 27K+D1818 |
| Capacitat de refrigeració/calefacció | 27,000 BTU (Dual Zone 18,000 BTU + 18,000 BTU) |
| Classificació SEER2 | 19 |
| Voltage | 208-230V |
| Wattage | 5240 watts |
| Nivell de soroll | 50 dB |
| Àrea de cobertura | Up to 2000 Sq. Ft. (1000 Sq. Ft. per indoor unit) |
| Característiques especials | Remote Controlled, Alexa and WiFi Enabled, Fast Cooling and Heating, Dehumidifier |
| Pes de l'article | 178.7 lliures |
| Dimensions del producte | 39.76 x 12.4 x 8.66 polzades |
Garantia i Suport
DELLA offers unmatched support and a limited lifetime warranty to give you peace of mind.
- Garantia limitada de per vida: Provides comprehensive coverage for your product.
- Atenció al client: For any questions, technical assistance, or warranty claims, please contact DELLA directly.
- Informació de contacte: Refer to your product packaging or the official DELLA website for the most current contact details (phone support M-F PST, LiveChat 24/7).





