1. Introduktion
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. Sikkerhedsoplysninger
Vigtige sikkerhedsinstruktioner:
- Professionel installation påkrævet: 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.
- Elektrisk sikkerhed: 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.
- Kølemiddelhåndtering: 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.
- Ventilation: Ensure adequate ventilation around the outdoor unit to prevent overheating.
- Børn og kæledyr: Hold børn og kæledyr væk fra enheden under drift og vedligeholdelse.
- Rensning: Afbryd strømmen før rengøring eller udførelse af vedligeholdelse.
3. Pakkens indhold
Bekræft, at alle komponenterne nedenfor er inkluderet i din pakke. Hvis der mangler eller er beskadigede dele, skal du straks kontakte kundesupport.
- 1 x Mini-Split Indoor Unit
- 1 x Mini-Split Outdoor Unit
- 1 x fjernbetjening
- 1 x 16.4ft Installation Kit (Standard size 1/4" & 3/8" outer dimension copper pipes)
- Drain Pipe (Length: 78.7")
- Monteringsplade
- Væghætte
- Plastfolie
- 2 x AAA-batterier (til fjernbetjening)
- Plasticine-spartelmasse
- Strømkabler
- Kommunikationskabel
- Beslagskabelon
- Brugermanual

Image 2: Included components of the DELLA Mini Split AC system.
4. Opsætning og installation
Professionel installation er obligatorisk: 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.
Vigtige overvejelser ved installation:
- Line-set Vacuuming: Line-set vacuuming is required during installation to remove moisture and non-condensable gases from the refrigerant lines.
- Kølemiddelniveauer: 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.
- Elektrisk tilslutning: Ensure the electrical supply is 115V and the maximum fuse size is 25A.
- Dræning: Proper routing and sloping of the drain pipe (78.7" length provided) are crucial for efficient condensate removal.
5. Betjeningsvejledning
Your DELLA Serena Mini Split offers multiple ways to control your comfort.
5.1 Betjening af fjernbetjening
The included remote control provides direct access to all functions. Insert the two AAA batteries before first use.

Billede 3: Fjernbetjeningsfunktioner.
- Til/fra: Tænder eller slukker for enheden.
- Mode: Cycles through operating modes: Auto, Cool, Heat, Dry (Dehumidify), Fan Only.
- Temperatur op/ned: Justerer den ønskede temperatur.
- Blæserhastighed: Selects fan speed (Quiet, Low, Mid, High, Turbo).
- Svinge: Controls horizontal and vertical louver movement for 4D airflow.
- ØKO -tilstand: Optimizes energy saving.
- Sove mode: Adjusts temperature for comfortable sleep and quiet operation (as low as 23 dBa).
- Timer: Sets a 24-hour timer for automatic on/off.
- PureClean: Aktiverer selvrensningsfunktionen for indendørsenheden.
- I Feel Mode (Vicinity Sensor): Fjernbetjeningen registrerer temperaturen omkring den og justerer enhedens drift for lokal komfort.
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.
- Stemmestyring: 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. Vedligeholdelse
Regular maintenance ensures optimal performance and longevity of your DELLA Mini Split system.
- Filterrensning: 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-teknologi: The unit features PureClean tech, which helps prevent dust buildup and defrosts the indoor unit, contributing to cleaner air.
- Udendørs enhed: 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.
- Professionel kontrol: It is recommended to have a qualified technician perform an annual check-up and cleaning of the entire system.
7. Fejlfinding
If you encounter issues with your unit, refer to the following common troubleshooting steps. For complex problems, contact customer support.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Enheden tænder ikke | Ingen strømforsyning; Fjernbetjeningens batterier er døde; Afbryderen er udløst. | Kontroller strømforbindelsen; Udskift fjernbetjeningens batterier; Nulstil afbryderen. |
| Utilstrækkelig køling/opvarmning | Dirty air filters; Temperature setting incorrect; Obstruction to airflow; Refrigerant leak. | Clean air filters; Adjust temperature; Remove obstructions; Contact technician for refrigerant check. |
| Usædvanlige lyde | Loose parts; Fan obstruction; Normal expansion/contraction sounds. | Check for loose parts; Remove obstruction; Normal sounds are not a fault. |
| Vandlækage fra indendørsenhed | Clogged drain pipe; Improper installation angle. | Clear drain pipe; Contact technician to check installation. |
8. Specifikationer
Detailed technical specifications for the DELLA Serena 12000 BTU Mini Split AC & Heat Pump.
| Feature | Specifikation |
|---|---|
| Modelnummer | 12K1VR-22S-M-I+O |
| Kølekapacitet | 12,000 BTU/t |
| Varmekapacitet | 12,300 BTU/t |
| SEER2-vurdering | 22 SEER2 |
| Strømforsyning | 115V-60Hz |
| Max indgangseffekt | 1100 W |
| Wattage | 970 watt |
| Maks. Sikring størrelse | 25A |
| Kølevæsketype | R32 |
| Dækningsområde | Op til 550 kvm |
| Indendørsenheds dimensioner (L x B x H) | 32.56 x 7.87 x 11.77 tommer |
| Udendørsenheds dimensioner (L x B x H) | 27.76 x 10.98 x 20.87 tommer |
| Varens vægt | 18.3 pounds (likely indoor unit, total system weight will be higher) |
| Særlige funktioner | Dehumidifier, Remote Control, WiFi Enabled, Voice Control |

Image 6: DELLA Serena Mini Split AC system.
9. Garanti og support
DELLA is committed to providing quality products and customer satisfaction.
9.1 Garantioplysninger
Your DELLA Serena Mini Split AC & Heat Pump comes with a Livstidsgaranti. 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 Kundesupport
For any questions, technical assistance, or warranty claims, DELLA offers comprehensive customer support:
- Live chat: 24/7 live chat support is available for immediate assistance.
- Telefonsupport: Contact our technicians during business hours (6 AM - 4 PM PST).
- Returnerer: Produktet er berettiget til 30 dages nem returret.
Please visit the official DELLA website or refer to the contact information provided in your product packaging for specific contact details.