1. Introducció
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your DELLA Serena 12000 BTU Mini Split AC & Heat Pump system. This unit is designed to provide both cooling and heating for spaces up to 550 sq.ft, featuring a 22 SEER2 rating for energy efficiency, inverter technology, and smart control options including Wi-Fi and voice control compatibility. Please read this manual thoroughly before installation and use, and retain it for future reference.

Image 1: DELLA Serena 12000 BTU Mini Split AC and Heat Pump system.
2. Informació de seguretat
Instruccions importants de seguretat:
- Instal·lació professional necessària: This system mandates professional installation. It is not a DIY mini split AC. Improper installation can lead to electric shock, fire, serious injury, or death.
- Seguretat elèctrica: Ensure the power supply matches the unit's requirements (115V). All electrical work must be performed by a qualified electrician in accordance with local and national electrical codes.
- Manipulació de refrigerants: The unit is pre-loaded with R32 refrigerant. Handling of refrigerants requires specialized training and equipment. Any alteration of line-set length requires adjusting freon levels, which must be done by a certified technician.
- Ventilació: Ensure adequate ventilation around the outdoor unit to prevent overheating.
- Nens i animals de companyia: Mantingueu els nens i les mascotes allunyats de la unitat durant el funcionament i el manteniment.
- Neteja: Desconnecteu l'alimentació abans de netejar o realitzar qualsevol manteniment.
3. Contingut del paquet
Verify that all components listed below are included in your package. If any items are missing or damaged, contact customer support immediately.
- 1 x Mini-Split Indoor Unit
- 1 x Mini-Split Outdoor Unit
- 1 x comandament a distància
- 1 x 16.4ft Installation Kit (Standard size 1/4" & 3/8" outer dimension copper pipes)
- Drain Pipe (Length: 78.7")
- Placa de muntatge
- Tap de paret
- Embolcall de plàstic
- 2 piles AAA (per al comandament a distància)
- Plasticine Putty
- Cables d'alimentació
- Cable de comunicació
- Plantilla de suports
- Manual d'usuari

Image 2: Included components of the DELLA Mini Split AC system.
4. Configuració i instal·lació
Professional Installation is Mandatory: The DELLA Serena Mini Split AC & Heat Pump system requires professional installation. Attempting to install the unit yourself may void the warranty and lead to safety hazards. Contact a certified HVAC technician for proper installation.
Consideracions clau per a la instal·lació:
- Line-set Vacuuming: Line-set vacuuming is required during installation to remove moisture and non-condensable gases from the refrigerant lines.
- Nivells de refrigerant: The unit is pre-charged with R32 refrigerant for up to 25 ft of line-set. Any alteration of line-set length beyond this requires adjusting freon levels by a qualified technician.
- Connexió elèctrica: Ensure the electrical supply is 115V and the maximum fuse size is 25A.
- Drenatge: Proper routing and sloping of the drain pipe (78.7" length provided) are crucial for efficient condensate removal.
5. Instruccions de funcionament
Your DELLA Serena Mini Split offers multiple ways to control your comfort.
5.1 Funcionament del control remot
The included remote control provides direct access to all functions. Insert the two AAA batteries before first use.

Image 3: Remote control functions.
- On/Off: Encén o apaga la unitat.
- Mode: Cycles through operating modes: Auto, Cool, Heat, Dry (Dehumidify), Fan Only.
- Temp Up/Down: Ajusta la temperatura desitjada.
- Velocitat del ventilador: Selects fan speed (Quiet, Low, Mid, High, Turbo).
- swing: Controls horizontal and vertical louver movement for 4D airflow.
- Mode ECO: Optimizes energy saving.
- Mode de repòs: Adjusts temperature for comfortable sleep and quiet operation (as low as 23 dBa).
- Temporitzador: Sets a 24-hour timer for automatic on/off.
- PureClean: Activates the self-cleaning function for the indoor unit.
- I Feel Mode (Vicinity Sensor): The remote control senses the temperature around it and adjusts the unit's operation for localized comfort.
5.2 Smart Control (Wi-Fi & Voice Control)
Control your unit from anywhere using the DELLA app or integrate with Alexa/Google Home for voice commands.

Image 4: DELLA app interface for smart control.
- DELLA App: Download the DELLA app from your smartphone's app store. Follow the in-app instructions to connect your unit to your home Wi-Fi network. The app allows for remote control, scheduling, and monitoring.
- Geo-location Function: The exclusive geo-location feature in the DELLA app can adjust the temperature based on your location, saving energy when you're away and ensuring comfort upon your arrival.
- Control de veu: Once connected to the DELLA app, you can link your unit to Amazon Alexa or Google Home for convenient voice-activated control.

Image 5: Smart Geo Location feature in action.
6. Manteniment
Regular maintenance ensures optimal performance and longevity of your DELLA Mini Split system.
- Neteja de filtres: The reusable filters in the indoor unit should be cleaned seasonally, or more frequently depending on usage and air quality. Disconnect power before accessing and cleaning filters.
- PureClean Technology: The unit features PureClean tech, which helps prevent dust buildup and defrosts the indoor unit, contributing to cleaner air.
- Unitat exterior: Keep the area around the outdoor unit clear of debris, leaves, and snow to ensure proper airflow. The bottom heating element in the outdoor unit prevents ice buildup during winter operation.
- Revisió professional: It is recommended to have a qualified technician perform an annual check-up and cleaning of the entire system.
7. Solució De Problemes
Si teniu problemes amb la unitat, consulteu els passos següents per a la resolució de problemes. Per a problemes complexos, poseu-vos en contacte amb l'atenció al client.
| Problema | Causa possible | Solució |
|---|---|---|
| La unitat no s'encén | Sense subministrament d'alimentació; piles del comandament a distància esgotades; interruptor automàtic saltat. | Comproveu la connexió d'alimentació; Substituïu les piles del comandament a distància; Restableix l'interruptor automàtic. |
| Refrigeració/calefacció insuficient | Dirty air filters; Temperature setting incorrect; Obstruction to airflow; Refrigerant leak. | Clean air filters; Adjust temperature; Remove obstructions; Contact technician for refrigerant check. |
| Sorolls inusuals | Loose parts; Fan obstruction; Normal expansion/contraction sounds. | Check for loose parts; Remove obstruction; Normal sounds are not a fault. |
| Fuita d'aigua de la unitat interior | Clogged drain pipe; Improper installation angle. | Clear drain pipe; Contact technician to check installation. |
8. Especificacions
Detailed technical specifications for the DELLA Serena 12000 BTU Mini Split AC & Heat Pump.
| Característica | Especificació |
|---|---|
| Número de model | 12K1VR-22S-M-I+O |
| Capacitat de refrigeració | 12,000 BTU/h |
| Capacitat de calefacció | 12,300 BTU/h |
| Classificació SEER2 | 22 SEER2 |
| Font d'alimentació | 115V-60Hz |
| Potència d'entrada màxima | 1100 W |
| Wattage | 970 watts |
| Màx. Mida del fusible | 25A |
| Tipus de refrigerant | R32 |
| Àrea de cobertura | Fins a 550 metres quadrats |
| Dimensions de la unitat interior (L x A x A) | 32.56 x 7.87 x 11.77 polzades |
| Dimensions de la unitat exterior (L x A x A) | 27.76 x 10.98 x 20.87 polzades |
| Pes de l'article | 18.3 pounds (likely indoor unit, total system weight will be higher) |
| Característiques especials | Dehumidifier, Remote Control, WiFi Enabled, Voice Control |

Image 6: DELLA Serena Mini Split AC system.
9. Garantia i Suport
DELLA is committed to providing quality products and customer satisfaction.
9.1 Informació de la garantia
Your DELLA Serena Mini Split AC & Heat Pump comes with a Garantia de per vida. This warranty covers manufacturing defects and ensures peace of mind regarding your investment. Please refer to the warranty card included with your product for full terms and conditions.

Image 7: Lifetime Coverage and Support.
9.2 Atenció al client
For any questions, technical assistance, or warranty claims, DELLA offers comprehensive customer support:
- Xat en directe: 24/7 live chat support is available for immediate assistance.
- Suport telefònic: Contact our technicians during business hours (6 AM - 4 PM PST).
- Devolucions: The product is eligible for 30-day easy returns.
Please visit the official DELLA website or refer to the contact information provided in your product packaging for specific contact details.