1. Einleitung
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. Sicherheitshinweise
Wichtige Sicherheitshinweise:
- Professionelle Installation erforderlich: This system mandates professional installation. Attempting DIY installation can lead to serious injury, property damage, and void the warranty.
- Elektrische Sicherheit: 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.
- Umgang mit Kältemitteln: The system uses R454B refrigerant. Handling of refrigerants should only be performed by certified technicians.
- Spielraum: Für eine ordnungsgemäße Luftzirkulation und Wartung muss um die Innen- und Außengeräte herum ausreichend Platz vorhanden sein.
- Kinder und Haustiere: Keep children and pets away from the outdoor unit and ensure indoor units are installed out of reach.
- Wartung: Vor jeglichen Wartungs- oder Reinigungsarbeiten die Stromzufuhr unterbrechen.
3. Produktüberschreitungview und Komponenten
Your DELLA 2-Zone Mini Split AC Heat Pump system consists of the following main components:
- Außengerät (Kondensator): 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.
- Installationskits: Includes necessary accessories for mounting and connection.

Abbildung 3.1: Explosionszeichnung view of the DELLA 2-Zone Mini Split AC components.
4. Einrichtung und Installation
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.
Wichtige Installationshinweise:
- Standort: 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.
- Kältemittelstände: 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.
- Drainage: Ensure proper drainage for condensate from the indoor units. The length for the drain pipe is 78.7 inches.
- Elektroverkabelung: 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. Bedienungsanleitung
Your DELLA Mini Split AC system offers various modes and features for optimal comfort and energy efficiency.
5.1 Fernbedienungsbetrieb
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.
- Ein/Aus: Schaltet das Gerät ein oder aus.
- Modi wechseln: Cycles through operating modes: Auto, Cool, Heat, Dry, Fan Only.
- Temperatur erhöhen/senken: Regelt die gewünschte Temperatur.
- Lüftergeschwindigkeit: Wählt die Lüftergeschwindigkeit (z. B. Niedrig, Mittel, Hoch, Auto).
- Vertical/Horizontal Swing: Controls the direction of airflow.
- Energiesparmodus: Optimizes operation for energy saving.
- Schlafmodus: Adjusts temperature and fan speed for comfortable sleep and energy efficiency.
- Timereinstellung: Programs the unit to turn on or off at specific times.
- Turbofunktion: Sorgt für schnelle Kühlung oder Erwärmung.
- Ich-fühle-Modus: Die Fernbedienung erfasst die Temperatur in ihrer Umgebung und passt den Betrieb des Geräts an, um lokalen Komfort zu gewährleisten.
5.2 Intelligente Funktionen und App-Steuerung
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+ App: 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.
- Intelligente Geolokalisierung: 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.
- Sprachsteuerung: The system works with Alexa and Google Assistant, enabling voice commands for convenient operation.
6. Wartung
Regular maintenance ensures the longevity and efficient operation of your DELLA Mini Split AC system.
- Reinigung des Luftfilters: 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.
- Reinigung der Außeneinheit: Keep the outdoor condenser coil free of dirt, leaves, and other debris. Periodically rinse the coil with a garden hose (ensure power is off).
- Abflussleitungsprüfung: Ensure the condensate drain lines are clear and free of obstructions to prevent water leaks.
- Professionelle Inspektion: 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.
- Frostschutz: The outdoor unit features bottom electric heating to help prevent frost buildup, speeding up defrosting and boosting efficiency in cold climates.
7. Fehlerbehebung
Bevor Sie den Kundendienst kontaktieren, ...view Folgende häufige Probleme und Lösungen:
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Das Gerät lässt sich nicht einschalten | No power; Remote control batteries low; Circuit breaker tripped. | Check power supply; Replace remote batteries; Reset circuit breaker. |
| Unzureichende Kühlung/Heizung | Verschmutzte Luftfilter; Verstopftes Außengerät; Falsche Modus-/Temperatureinstellung; Niedriger Kältemittelstand. | Clean air filters; Clear obstructions from outdoor unit; Verify settings; Contact professional for refrigerant check. |
| Ungewöhnliche Geräusche | Lose Teile; Verstopfung im Lüfter; Normale Betriebsgeräusche (z. B. Kältemittelstrom). | Inspect for loose parts or obstructions; If noise persists or is abnormal, contact support. |
| Wasserleckage am Innengerät | Clogged drain line; Improper installation. | Clear drain line; Contact professional for inspection. |
8. Spezifikationen
| Besonderheit | Detail |
|---|---|
| Modellnummer | 1D3-TP+D912 |
| Systemtyp | 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-Bewertung | 24 SEER2 |
| Bandtage | 208-230 Volt |
| Wastage | 2020 Watt |
| Kältemitteltyp | R454B |
| Abdeckungsbereich | Up to 950 Sq.Ft (9K unit: 400 Sq.Ft, 12K unit: 550 Sq.Ft) |
| Geräuschpegel | 46 dBa (Ultra silent operation) |
| Betriebstemperaturbereich | -13°F bis 131°F |
| Besondere Merkmale | Dehumidifier, Fast Cooling, Remote Control, WiFi Enabled, 4D Airflow, I Feel Mode, 24-hour Timer, Sleep Mode, Eco Energy Saving Mode, Turbo Function |
| Im Lieferumfang enthaltene Komponenten | Multi-zone Air Conditioner, Manual, 2 x 16ft Copper Pipes, Installation Kits |

Image 8.1: Energy efficiency comparison highlighting 24 SEER2 savings.
9. Garantie und Support
9.1 Garantieinformationen
Your DELLA Mini Split AC Heat Pump comes with a Eingeschränkte lebenslange Garantie. 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 Kundendienst
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:
- Telefonischer Support: Available Monday to Friday, 6 AM - 4 PM PST.
- Live Chat: Available 24/7 for immediate assistance.
Please have your model number (1D3-TP+D912) and purchase date ready when contacting support.