Della 048-TL-12K2V-19S-I+O
DELLA Vario Series 12000 BTU Mini Split Air Conditioner User Manual
Model: 048-TL-12K2V-19S-I+O
1. Introducció
This user manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of your DELLA Vario Series 12000 BTU Mini Split Air Conditioner. Please read this manual thoroughly before operating the unit to ensure safe and efficient use.
The DELLA Vario Series mini split system is designed to provide energy-efficient cooling and heating for spaces up to 550 square feet. It features a 19 SEER2 rating, a heat pump capable of operating in temperatures as low as -4°F (-20°C), and dehumidification capabilities.

Figure 1.1: DELLA Vario Series 12000 BTU Mini Split Air Conditioner. This image shows the complete system, including the indoor unit, outdoor condenser, remote control, and a smartphone displaying the control app.
2. Informació de seguretat
Seguiu sempre les següents precaucions de seguretat per evitar lesions o danys a la unitat:
- 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, or serious injury.
- Seguretat elèctrica: Ensure the power supply matches the unit's requirements (208-230V). Maximum fuse size is 15A. Always disconnect power before performing any maintenance or service.
- Manipulació de refrigerants: The unit is pre-charged. Any alteration of line-set length requires adjusting freon levels, which must be done by a qualified technician.
- Ventilació: Assegureu-vos que hi hagi una ventilació adequada al voltant de la unitat exterior per evitar el sobreescalfament.
- Nens i animals de companyia: Mantingueu els nens i les mascotes allunyats de la unitat durant el funcionament i el manteniment.
- Advertència de la proposta 65: Aquest producte pot exposar-vos a substàncies químiques conegudes per l'estat de Califòrnia per causar càncer i defectes de naixement o altres danys reproductius.
3. Contingut del paquet
Verifiqueu que tots els components que s'enumeren a continuació s'inclouen al paquet:
- Unitat interior
- Unitat exterior
- Refrigerant Pipe (16.4 ft installation kit included, standard size 1/4" & 3/8" outer dimension copper pipes)
- Drain Lines (Drain pipe length: 78.7")
- Control remot
- Peus de goma
- Escuma d'aïllament
- Placa de muntatge
- 2 piles AAA (per al comandament a distància)
- Màniga de paret
- Plasticine Putty
- Cargols
- Àncores
- Tap de paret
- Embolcall de plàstic
- Cable de comunicació
- Plantilla de suports

Figura 3.1: Explotat view of the DELLA Mini Split system and its included components. Each part is clearly labeled with a number corresponding to the list above.
4. Configuració i instal·lació
Installation of this mini split system requires professional expertise. The following is a general overview of the installation process. Do not attempt self-installation unless you are a certified HVAC technician.
- Selecció del lloc: Choose appropriate locations for both the indoor and outdoor units, ensuring adequate clearance for airflow and maintenance. The indoor unit should be mounted at least 8 inches from the ceiling.
- Instal·lació de la placa de muntatge: Securely attach the indoor unit's mounting plate to the wall using the provided screws and anchors, ensuring it is level.
- Wall Hole Drilling: Drill a 2 3/4 inch (70mm) hole through the wall for the refrigerant pipes, drain line, and communication cable.
- Canonades i cablejat: Connect the refrigerant pipes, drain line, and communication cable between the indoor and outdoor units. Ensure all connections are tight and properly insulated. Line-set vacuuming is required during installation.
- Connexió elèctrica: Connect the unit to a dedicated 208-230V power supply. Wiring schematic is provided in the detailed installation guide (refer to external PDF document).
- Vacuuming and Refrigerant Release: A vacuum pump and manifold gauge set are required to evacuate the line set. Once vacuumed, carefully open the refrigerant ports.
- Drain Line Setup: Ensure the drain line is properly sloped to allow for continuous water drainage.
- Comprovacions finals: Before powering on, double-check all connections, ensure no leaks, and verify proper insulation.
For detailed installation steps, please refer to the official User Manual (PDF) available for download. Descarrega el manual d'usuari (PDF)
5. Instruccions de funcionament
Your DELLA Vario Series Mini Split AC offers various modes and smart features for optimal comfort and energy efficiency.
5.1. Operació de control remot
The included remote control allows you to adjust temperature, mode, fan speed, and other settings. The unit will sense room temperature at the remote control during cooling mode, adjusting airflow and temperature for personal comfort and energy savings.

Figure 5.1: Smartphone screens displaying the Della+ app, which provides comprehensive wireless control over the mini split system.
5.2. Smart Features and Modes
- Descongelació automàtica: Automatically prevents frost buildup on the outdoor unit, especially in heating mode during cold weather.
- Self-Diagnosis/Cleaning: The unit can perform self-diagnosis to identify issues and has a self-cleaning function for improved air quality.
- Mode I Feel: Senses the room temperature at the remote control's location, optimizing comfort where you are.
- Temporitzador de 24 hores: Programa la unitat perquè s'encengui o s'apagui automàticament en un període de 24 hores.
- Mode de repòs: Adjusts temperature and fan speed for comfortable sleeping conditions while saving energy.
- Eco Energy Saving Mode: Optimizes operation for maximum energy efficiency.
- Múltiples velocitats del ventilador: Choose from various fan speeds (Quiet, Low, Mid Low, Mid, Mid High, High, Turbo) for customized airflow.
- Intelligent Compressor Pre-heating: Ensures efficient heating performance in cold conditions.
- Compatibilitat de control de veu: Seamlessly integrates with voice assistants like Alexa and Google Assistant for hands-free control.

Figure 5.2: The DELLA Mini Split system supports voice control, allowing integration with smart home devices like Alexa for convenient operation.
6. Manteniment
Un manteniment regular garanteix la longevitat i el funcionament eficient del vostre sistema mini split.
- Neteja de filtres: Regularly clean the air filters in the indoor unit to maintain optimal airflow and air quality. Refer to the full manual for frequency and procedure.
- Neteja de la unitat exterior: Keep the outdoor unit free from debris, leaves, and other obstructions to ensure proper heat exchange.
- PureClean Technology: The unit features PureClean tech to prevent dust buildup and defrost the indoor unit, contributing to fresher air and advanced sterilization.
- Prevenció de gelades: The bottom electric heating helps prevent frost from forming at the base of the outdoor unit, speeding up defrosting and boosting efficiency.
- Gold Plated Fins: The gold-plated fins prevent rust corrosion, contributing to durable and efficient mini-split performance.

Figure 6.1: Illustration of PureClean technology within the indoor unit, designed to prevent dust buildup and defrost the unit for cleaner air.

Figure 6.2: Diagram showing the bottom electric heating system in the outdoor unit, which helps prevent frost accumulation and improves defrosting efficiency.
7. Solució De Problemes
If you encounter issues with your DELLA Mini Split AC, refer to the following common troubleshooting tips. For more complex problems, contact customer support.
| Problema | Causa possible | Solució |
|---|---|---|
| La unitat no s'encén. | No power, tripped circuit breaker, remote control issues. | Check power supply, reset circuit breaker, replace remote batteries, ensure remote signal is reaching the unit. |
| Refrigeració/calefacció insuficient. | Dirty filters, blocked outdoor unit, incorrect mode/temperature setting, low refrigerant. | Clean air filters, clear obstructions from outdoor unit, verify settings, contact professional for refrigerant check. |
| Soroll inusual. | Loose parts, foreign objects, fan issues. | Inspect for loose components or foreign objects. If noise persists, contact customer support. |
| Fuga d'aigua de la unitat interior. | Clogged drain line, improper installation. | Check and clear the drain line. If issue persists, professional re-installation may be required. |
For error codes or issues not listed, consult the comprehensive troubleshooting section in the full user manual or contact DELLA customer support.
8. Especificacions
Key technical specifications for the DELLA Vario Series 12000 BTU Mini Split Air Conditioner:
| Característica | Detall |
|---|---|
| Número de model | 048-TL-12K2V-19S-I+O |
| Capacitat de refrigeració | 12000 BTU/h |
| Capacitat de calefacció | 12200 BTU/h |
| Classificació SEER2 | 19 SEER2 |
| Classificació HSPF | 8.5 HSPF |
| Font d'alimentació | 208-230V / 60Hz / 1PH |
| Potència d'entrada màxima | 1140 W |
| Mida màxima del fusible | 15A |
| Nivell de soroll (interior) | 41 dBa (Ultra Silent) |
| Nivell de soroll (exterior) | 52 dB |
| Àrea de cobertura | Fins a 550 peus quadrats |
| Operating Temperature (Heating) | Fins a -20 °C |
| Dimensions de la unitat interior | 31.92" d'amplada x 8.07" de profunditat x 11.49" d'alçada |
| Dimensions de la unitat exterior | 28.14" d'amplada x 11.42" de profunditat x 19.61" d'alçada |
| Pes de l'article | 61 lliures |
| Característiques especials | Remote Controlled, Alexa and WiFi Enabled, Fast Cooling and Heating, Dehumidifier |

Figure 8.1: Detailed dimensions and key performance specifications for both the indoor and outdoor units of the DELLA Mini Split system.
9. Garantia i Suport
DELLA offers comprehensive support for your product.
- Cobertura de per vida: The product comes with unmatched warranty coverage.
- Atenció al client: Product support is available 24/7 via live chat. Phone support is available Monday-Friday, 6 AM - 4 PM PST.
- Plans de protecció: Additional protection plans (3-Year and 4-Year) are available for purchase.

Figure 9.1: Visual representation of DELLA's commitment to lifetime coverage and customer support, emphasizing peace of mind for users.
Per obtenir més ajuda, visiteu el Della Store on Amazon o consulteu la informació de contacte que trobareu a l'embalatge del producte.
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