1. Introducció
This manual provides essential information for the installation, operation, and maintenance of your DELLA 12,000 BTU Ceiling Cassette Mini Split AC system. Please read this manual thoroughly before installation and use to ensure proper function and safety. This system is designed to provide efficient cooling and heating for spaces up to 550 sq ft.
2. Producte acabatview
2.1 Característiques clau
- Exceptional Cooling & Efficiency: 12,000 BTU/h cooling power, 208-230 V, 22 SEER2 rating.
- Ultra Heat Capability: Heat pump operates in temperatures as low as -13°F (-25°C).
- Funcionament silenciós: Operates at just 32 dB(A).
- Control intel·ligent: Compatible with DELLA App and multiple voice assistants (e.g., Alexa).
- Característica de geolocalització: Remote system activation based on location.
- Flux d'aire versàtil: 360° surround airflow for even distribution.
- Modes avançats: Refrigerant leak sensor, 24-hour timer, multiple fan speeds, sleep, energy-saving, cooling, heating, dehumidifying, and auto modes.
- Tecnologia inversor: Energy-efficient outdoor unit with bottom-mounted heater for frost prevention.
- PureClean Technology: One-touch auto-cleaning to prevent indoor dust accumulation.
- Certificació Energy Star: Qualifies for government energy rebates.
2.2 Components del sistema
The DELLA Ceiling Cassette Mini Split AC system includes the following main components and accessories:

Imatge: Més deview of the DELLA Ceiling Cassette Mini Split AC system, showing the indoor cassette unit, outdoor condenser unit, and installation accessories.
- Unitat exterior
- Refrigerant Pipe (16 ft copper tube: 1/4" and 3/8")
- Mànega de desguàs
- Escuma d'aïllament
- Màniga de paret
- Tapa de coberta
- Embolcall de plàstic
- Plasticine Putty
- Unitat interior
- Mànega de drenatge flexible
- Corbata amb cremallera
- Peus de goma
- Mànega Clamp
- Phillips Pan Head Bolt
- Cable Clamp
- Cable de comunicació
- Control remot
- Bateria
- Nou de coure
- Plantilla de suports

Image: Detailed diagram illustrating the various components of the DELLA Mini Split AC system, each labeled with a number for easy identification.
3. Instal·lació
Professional installation is required for this DELLA Mini Split AC system to ensure safety and proper operation. Improper installation can lead to refrigerant leaks, electric shock, fire, or water damage.
3.1 Comprovacions prèvies a la instal·lació
- Ensure the installation area can support the weight of both indoor and outdoor units.
- Verify electrical supply meets the system requirements (208-230V). Max fuse rating is 15A.
- Confirm ceiling height is suitable (designed for ceilings 8.5-10 ft high).
3.2 Refrigerant and Piping
- The system comes pre-charged with R454B refrigerant, supporting up to 25 ft of piping.
- The included 16 ft copper tube (1/4" and 3/8") must be purged and vacuumed during installation.
- No refrigerant adjustment is needed if the tube length is under 25 ft. For lengths over 25 ft, refrigerant adjustment is required according to the detailed instructions in the full manual.
4. Instruccions de funcionament
4.1 Funcionament del control remot
The system can be controlled using the included wireless remote control. Ensure batteries are correctly inserted.

Image: The remote control for the DELLA Mini Split AC, showing various buttons and their functions for controlling the unit.
- On/Off: Encén o apaga la unitat.
- Temp Up/Down: Adjusts the desired temperature (60-90°F range).
- Canvi de modes: Cycles through operating modes (Cool, Heat, Dehumidify, Fan Only, Auto, ECO).
- Velocitat del ventilador: Adjusts fan speed (multiple settings available).
- Vertical/Horizontal Swing: Controls the direction of airflow.
- Turbo On/Off: Activates or deactivates rapid cooling/heating.
- Mode ECO: Engages energy-saving operation.
- Configuració del temporitzador: Sets the 24-hour timer for scheduled operation.
- Mode de repòs: Ajusta la temperatura i la velocitat del ventilador per a un son còmode.
- Vicinity Sensor: (If applicable) Detects presence for optimized operation.
- PureClean: Initiates the auto-cleaning function.
- Llum de visualització: Toggles the display light on the indoor unit.
4.2 DELLA App and Smart Control
Control your DELLA Mini Split AC from anywhere using the DELLA App on your smartphone. The system is also compatible with voice assistants like Alexa and Google Assistant.

Image: A smartphone screen showing the DELLA+ application, which allows users to control the air conditioning unit remotely.
- Comandament a distància: Adjust settings, change modes, and monitor your unit from any location.
- Característica de geolocalització: Automatically start or stop the system based on your proximity to home.
- Programació i temporitzador: Set custom schedules and countdown timers for automated temperature control.
- Control de veu: Integrate with Alexa or Google Assistant for hands-free operation. Example command: "Alexa, open the cassette air conditioner."

Image: A smart speaker device in a modern living room setting, illustrating the system's compatibility with voice control platforms.
5. Manteniment
Regular maintenance ensures optimal performance and longevity of your DELLA Mini Split AC system.
5.1 PureClean Technology
The PureClean technology helps prevent indoor dust accumulation. Activate this feature periodically using the remote control or DELLA App to maintain clean air and unit efficiency.
5.2 Frost Prevention
The outdoor unit features a bottom-mounted heater designed to prevent frost buildup, ensuring reliable operation even in extreme cold. This system requires minimal user intervention for frost management.
5.3 Neteja general
- Clean the air filters regularly (refer to the full manual for specific instructions).
- Netegeu l'exterior de les unitats interior i exterior amb un drap suau i sec.amp tela. No utilitzeu productes químics durs.
- Ensure the outdoor unit's coils are free from debris.
6. Solució De Problemes
If you encounter issues with your DELLA Mini Split AC, refer to the following general troubleshooting steps. For complex problems, contact customer support.
- La unitat no s'encén: Comproveu la font d'alimentació, l'interruptor automàtic i les piles del comandament a distància.
- Refrigeració/calefacció insuficient: Ensure correct mode is selected, temperature setting is appropriate, and air filters are clean. Check for obstructions around indoor/outdoor units.
- Sorolls inusuals: Minor operational noises are normal. Loud or persistent noises may indicate an issue; contact support.
- Fuga d'aigua: Check drain hose for blockages or improper installation.
For detailed troubleshooting guides and error codes, consult the comprehensive manual provided with your unit or visit the Della support weblloc.
7. Especificacions

Image: Technical drawing illustrating the dimensions and key specifications for both the indoor cassette unit and the outdoor condenser unit.
| Especificació | Valor |
|---|---|
| Número de model | 048-CC-12K2V-22S-I+O |
| Capacitat de refrigeració | 12,000 BTU/h |
| Capacitat de calefacció | 12,500 BTU/h |
| Classificació SEER2 | 22 |
| Font d'alimentació | 208/230V~, 60Hz, 1P |
| Potència d'entrada màxima | 980 watts |
| Valoració màxima del fusible | 15A |
| Volum de cabal d’aire | 610 m³/h |
| Nivell de so | 32 decibels |
| Tipus de refrigerant | R454B (pre-charged) |
| Operating Temperature (Heating) | Fins a -25 °C |
| Àrea de cobertura | Fins a 550 peus quadrats |
| Dimensions de la unitat interior | 22.5 "P x 22.5" W x 9.63" H |
| Dimensions de la unitat exterior | 31.88 "P x 12.00" W x 21.63" H |
| Pes de l'article | 32 lliures (unitat interior) |
8. Garantia i Suport
DELLA offers comprehensive support for its products.
8.1 Garantia limitada de per vida
Your DELLA Mini Split AC system is covered by a limited lifetime warranty, providing peace of mind regarding product quality and performance. This warranty covers manufacturing defects and ensures support throughout the product's lifespan. Specific terms and conditions apply; please refer to the warranty card included with your product or the official Della weblloc per obtenir més informació.

Image: A graphic depicting a shield with a checkmark, symbolizing the product's lifetime warranty and reliable coverage.
8.2 Atenció al client
For any questions, technical assistance, or warranty claims, please contact DELLA customer support:
- Suport telefònic: Disponible de dilluns a divendres, de 6:00 a 17:00 PST.
- Xat en directe: Available 24/7 for immediate assistance.
Visit the official Della weblloc web per obtenir informació de contacte i recursos addicionals.