1. Sarrera
This manual provides comprehensive instructions for the installation, operation, and maintenance of your DELLA 27K BTU 2-Zone Mini Split AC Heat Pump system. Please read this manual thoroughly before operating the unit to ensure proper function and safety. Keep this manual for future reference.
The DELLA 27K BTU 2-Zone Mini Split AC Heat Pump is an energy-efficient system designed to provide heating and cooling for multiple rooms. It features a 24 SEER2 rating, operates on 208-230V, and includes two indoor units (9,000 BTU and 12,000 BTU) connected to a single outdoor condenser. The system is equipped with Wi-Fi connectivity and is compatible with smart home assistants like Alexa.

Image 1.1: Complete DELLA 27K BTU 2-Zone Mini Split AC Heat Pump system with all components.
2. Segurtasun informazioa
Segurtasun-argibide garrantzitsuak:
- Instalazio profesionala behar da: This system mandates professional installation. Attempting DIY installation can lead to serious injury, property damage, and void the warranty.
- Segurtasun elektrikoa: Ensure the unit is connected to a dedicated 208-230V circuit with appropriate overcurrent protection (Maximum Fuse Size is 30A). All electrical work must comply with local and national electrical codes.
- Hozgarrien manipulazioa: The system uses R454B refrigerant. Handling of refrigerants should only be performed by certified technicians.
- Sakea: Mantendu nahikoa den tartea barneko eta kanpoko unitateen inguruan, aire-fluxu egokia eta mantentze-lanak behar bezala egiteko.
- Haurrak eta maskotak: Keep children and pets away from the outdoor unit and ensure indoor units are installed out of reach.
- Mantentzea: Deskonektatu korrontea mantentze-lan edo garbiketa egin aurretik.
3. Produktua amaitu daview eta Osagaiak
Your DELLA 2-Zone Mini Split AC Heat Pump system consists of the following main components:
- Kanpoko kondentsadore unitatea: The primary unit responsible for heat exchange.
- Indoor Air Handler Units (2): One 9,000 BTU unit and one 12,000 BTU unit, designed for individual room climate control.
- Remote Controls (2): For independent control of each indoor unit.
- Refrigerant Line Sets (2): Pre-charged 16ft copper pipes for connecting indoor and outdoor units.
- Installation Kits: Includes necessary accessories for mounting and connection.

3.1. irudia: Lehertua view of the DELLA 2-Zone Mini Split AC components.
4. Konfigurazioa eta instalazioa
Professional Installation is Mandatory:
The DELLA 2-Zone Mini Split AC Heat Pump system requires professional installation by a qualified HVAC technician. This ensures proper setup, adherence to safety standards, and optimal performance of the unit. Attempting to install the unit yourself may result in damage, improper operation, and will void the product warranty.
Instalaziorako kontuan hartu beharreko gauza nagusiak:
- Lekua: Indoor units should be placed to ensure even air distribution. The outdoor unit requires a stable, level surface with adequate airflow.
- Line-Set Connection: The system includes two 16ft copper pipes (standard size 1/4" & 3/8" outer dimension). Line-set vacuuming is required during installation to remove moisture and non-condensable gases.
- Hozgarri mailak: The system is pre-charged. However, any alteration of line-set length requires adjusting freon levels by a certified technician. The system uses R454B refrigerant.
- Drainatzea: Ensure proper drainage for condensate from the indoor units. The length for the drain pipe is 78.7 inches.
- Kableatu elektrikoa: All electrical connections must be made by a licensed electrician according to local codes and the wiring diagram provided with the unit.

Image 4.1: Illustration of multi-zone cooling coverage for different room sizes.
5. Funtzionamendu-argibideak
Your DELLA Mini Split AC system offers various modes and features for optimal comfort and energy efficiency.
5.1 Urruneko kontrolaren funtzionamendua
Each indoor unit is controlled by its dedicated remote. Familiarize yourself with the remote control functions:

Image 5.1: Remote control functions for your DELLA Mini Split AC.
- Aktibatu/Desaktibatuta: Unitatea pizten edo itzaltzen du.
- Aldatu moduak: Cycles through operating modes: Auto, Cool, Heat, Dry, Fan Only.
- Tenperatura igo/jaitsi: Nahi den tenperatura doitzen du.
- Fan abiadura: Haizagailuaren abiadura hautatzen du (adibidez, Baxua, Ertaina, Altua, Automatikoa).
- Vertical/Horizontal Swing: Controls the direction of airflow.
- ECO modua: Energia aurrezteko funtzionamendua optimizatzen du.
- Lo egiteko modua: Adjusts temperature and fan speed for comfortable sleep and energy efficiency.
- Tenporizadorearen ezarpena: Programs the unit to turn on or off at specific times.
- Turbo funtzioa: Berotze edo hozte azkarra eskaintzen du.
- Sentitzen dut modua: Urrutiko agintea inguruko tenperatura hautematen du eta unitatearen funtzionamendua doitzen du erosotasun lokalizatua lortzeko.
5.2 Ezaugarri adimendunak eta aplikazioen kontrola
The DELLA Mini Split AC system is equipped with Wi-Fi connectivity, allowing control via the Della+ app and integration with smart home systems.

Image 5.2: Control your unit remotely using the Della+ Smart App.
- Della+ aplikazioa: Download the free Della+ app to control your unit from anywhere. The app provides a user-friendly interface for setting modes, temperatures, fan speeds, and scheduling.
- Smart Geo Location: The Della+ app allows for automatic AC control based on your location, turning the unit on or off as you approach or leave your home.
- Ahots kontrola: The system works with Alexa and Google Assistant, enabling voice commands for convenient operation.
6. Mantentzea
Regular maintenance ensures the longevity and efficient operation of your DELLA Mini Split AC system.
- Aire iragazkien garbiketa: The indoor unit's air filters should be cleaned every 2-4 weeks, or more frequently depending on usage and air quality. Refer to the indoor unit's specific instructions for filter removal and cleaning.
- Kanpoko Unitatearen Garbiketa: Keep the outdoor condenser coil free of dirt, leaves, and other debris. Periodically rinse the coil with a garden hose (ensure power is off).
- Hustubide-hodiaren egiaztapena: Ensure the condensate drain lines are clear and free of obstructions to prevent water leaks.
- Ikuskapen profesionala: It is recommended to have a qualified HVAC technician perform an annual inspection and tune-up to check refrigerant levels, electrical connections, and overall system health.
- Izozteen prebentzioa: The outdoor unit features bottom electric heating to help prevent frost buildup, speeding up defrosting and boosting efficiency in cold climates.
7. Arazoak
Bezeroarentzako arreta-zerbitzuarekin harremanetan jarri aurretik, berriroview arazo eta irtenbide ohikoenak hauek dira:
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Unitatea ez da pizten | Argindarrik ez; Urrutiko agintearen bateriak baxuak; Zirkuitu-hauslea jauzi egin du. | Check power supply; Replace remote batteries; Reset circuit breaker. |
| Hozte/berotze nahikoa ez | Aire-iragazki zikinak; Kanpoko unitatea blokeatuta; Modu/tenperatura ezarpen okerra; Hozgarri maila baxua. | Clean air filters; Clear obstructions from outdoor unit; Verify settings; Contact professional for refrigerant check. |
| Ezohiko zarata | Loose parts; Obstruction in fan; Normal operating sounds (e.g., refrigerant flow). | Inspect for loose parts or obstructions; If noise persists or is abnormal, contact support. |
| Barruko unitatetik ur-ihesa | Clogged drain line; Improper installation. | Clear drain line; Contact professional for inspection. |
8. Zehaztapenak
| Ezaugarri | Xehetasuna |
|---|---|
| Modelo zenbakia | 1D3-TP+D912 |
| Sistema mota | 2-Zone Multi Split AC Heat Pump |
| Outdoor Unit BTU | 27,000 BTU/h |
| Indoor Unit 1 BTU | 9,000 BTU/h |
| Indoor Unit 2 BTU | 12,000 BTU/h |
| SEER2 Balorazioa | 24 IGARRIA2 |
| liburukiatage | 208-230 volt |
| Wattage | 2020 watt |
| Hozgarri mota | R454B |
| Estaldura Eremua | Up to 950 Sq.Ft (9K unit: 400 Sq.Ft, 12K unit: 550 Sq.Ft) |
| Zarata Maila | 46 dBa (Ultra silent operation) |
| Funtzionamendu-tenperatura-tartea | -13 °F eta 131 °F artean |
| Ezaugarri bereziak | Dehumidifier, Fast Cooling, Remote Control, WiFi Enabled, 4D Airflow, I Feel Mode, 24-hour Timer, Sleep Mode, Eco Energy Saving Mode, Turbo Function |
| Dakarten osagaiak | Multi-zone Air Conditioner, Manual, 2 x 16ft Copper Pipes, Installation Kits |

Image 8.1: Energy efficiency comparison highlighting 24 SEER2 savings.
9. Bermea eta Laguntza
9.1 Bermearen informazioa
Your DELLA Mini Split AC Heat Pump comes with a Bizi osorako berme mugatua. This warranty covers manufacturing defects and ensures peace of mind regarding your investment. For specific terms and conditions, please refer to the warranty card included with your product or contact customer support.

Image 9.1: DELLA's commitment to lifetime coverage and support.
9.2 Bezeroarentzako laguntza
DELLA is committed to providing best-in-class customer support. If you have any questions, require assistance with installation, operation, or troubleshooting, please contact our support team:
- Telefono-laguntza: Available Monday to Friday, 6 AM - 4 PM PST.
- Zuzeneko txata: Available 24/7 for immediate assistance.
Please have your model number (1D3-TP+D912) and purchase date ready when contacting support.