1. Introduktion
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your TOSOT 12,000 BTU Cosmo Series Mini-Split Air Conditioner and Heating System. Please read this manual thoroughly before installation and use, and retain it for future reference. Proper installation and adherence to these instructions will ensure optimal performance and longevity of your unit.

Billede 1.1: Overview of the TOSOT 12,000 BTU Cosmo Series Mini-Split Air Conditioner and Heating System components.
2. Sikkerhedsoplysninger
Vigtige sikkerhedsinstruktioner:
- Installation must be performed by qualified personnel in accordance with all national and local wiring codes and regulations.
- Ensure the power supply matches the unit's specifications (208-230V).
- Do not operate the unit with wet hands or when standing on a wet surface.
- Hold børn og kæledyr væk fra udendørsenheden.
- Stik ikke genstande ind i luftindtaget eller -udtaget.
- Sluk for strømforsyningen, før du rengør eller udfører vedligeholdelse.
- Hvis forsyningsledningen er beskadiget, skal den udskiftes af producenten, dennes serviceagent eller lignende kvalificerede personer for at undgå en fare.
3. Pakkens indhold
Verify that all items listed below are included in your package. If any components are missing or damaged, contact your retailer immediately.

Billede 3.1: Detaljeret view of included indoor and outdoor unit components and accessories.
Komponenter indenfor enhed:
- Indendørsenhed
- Fjernbetjening
- Brugermanual
- Fjernholder
- AAA-batterier (til fjernbetjening)
- Monteringsplade
- Gipsvægsankre
- Mounting Plate Fixing Screws
Komponenter til udendørsenheden:
- Udendørsenhed
- 16ft Copper Line Set
- 16ft Electrical Cable
- Afløbsslange
- Wall Cuff
- Afløbsfuge
- Tape
- Sealing Gum
- Isoleringsmuffe
- Signalkabel
4. Installation
The installation of a mini-split air conditioning system requires specialized tools and knowledge. It is highly recommended that installation be performed by a certified HVAC professional to ensure safety, proper function, and warranty validity.
Generelle installationstrin (anbefales af fagfolk):
- Valg af websted: Choose appropriate locations for both the indoor and outdoor units, ensuring proper airflow, drainage, and structural support.
- Montering af indendørsenheden: Secure the mounting plate to the wall, then attach the indoor unit.
- Mounting the Outdoor Unit: Place the outdoor unit on a stable, level surface or mount it securely to a wall bracket.
- Tilslutning af kølemiddelledninger: Connect the copper line set between the indoor and outdoor units. Ensure proper flaring and tightening of connections using a torque wrench to prevent leaks.
- Elektriske ledninger: Connect the electrical power and signal cables according to the wiring diagram provided in the full installation manual. This must comply with local electrical codes.
- Støvsugning af systemet: Evacuate the refrigerant lines using a vacuum pump to remove air and moisture. This is a critical step for system efficiency and longevity.
- Releasing Refrigerant: Once the system is properly vacuumed, open the service valves on the outdoor unit to release the refrigerant into the system.
- Dræning: Ensure the condensate drain hose is properly installed and sloped to allow for effective water removal.
Note: Incorrect installation can lead to refrigerant leaks, electrical hazards, reduced efficiency, and void the product warranty. Always consult the detailed installation guide provided with your unit or seek professional assistance.
5. Betjening
Your TOSOT Mini-Split system offers multiple operating modes and smart control features for optimal comfort.

Billede 5.1: Overview of the system's primary operating modes and capacities.
5.1 driftstilstande:
- Køletilstand: Provides efficient cooling, ideal for warm weather. The system can cool effectively in temperatures up to 122°F.
- Opvarmningstilstand: Delivers warmth during colder periods. The system can heat efficiently down to -13°F.
- Ventilatortilstand: Circulates air without heating or cooling. Features multiple fan speeds for customized airflow.
- Affugtningstilstand: Reduces humidity levels in the room, contributing to a more comfortable environment.
5.2 Fjernbetjening:
The included remote control allows you to adjust settings such as mode, temperature, fan speed, and timer functions. Refer to the remote control section in the full user manual for detailed button descriptions and functions.

Image 5.2: The TOSOT Mini-Split AC unit can be controlled via its remote or a smartphone app.
5.3 Smart Control (Gree+ App & Voice Control):
Your TOSOT Cosmo series unit is WiFi-enabled, allowing remote control via the Gree+ app on your smartphone. This app enables you to adjust settings from anywhere. The system also supports voice control for hands-free operation, integrating with compatible smart home systems.
6. Vedligeholdelse
Regular maintenance ensures the efficiency and longevity of your mini-split system.
6.1 Rengøring af luftfilter:
- Luftfiltrene bør rengøres hver anden uge eller oftere afhængigt af brug og luftkvalitet.
- Åbn frontpanelet på indendørsenheden.
- Fjern luftfiltrene.
- Wash filters with lukewarm water and a mild detergent. Rinse thoroughly and allow them to air dry completely before reinserting.
- Do not expose filters to direct sunlight or heat for drying.
6.2 Outdoor Unit Cleaning:
- Kontrollér regelmæssigt udendørsenheden for snavs, blade eller snavs, der kan blokere luftstrømmen.
- Rengør forsigtigt spolens lameller med en blød børste eller støvsuger. Undgå at bøje lamellerne.
- Ensure the area around the outdoor unit is clear of obstructions.
6.3 Seasonal Checks:
- Before seasonal use (e.g., beginning of summer for cooling, beginning of winter for heating), inspect the unit for any visible damage or unusual conditions.
- Consider scheduling a professional inspection annually to ensure optimal performance and address any potential issues.
7. Fejlfinding
Før du kontakter kundesupport, bedes du læse følgende almindelige problemer og løsninger:
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Enheden tænder ikke | No power, circuit breaker tripped, remote batteries dead. | Kontroller strømforsyningen, nulstil afbryderen, udskift fjernbetjeningens batterier. |
| Utilstrækkelig køling/opvarmning | Dirty air filters, blocked outdoor unit, wrong mode, temperature setting incorrect, refrigerant leak. | Clean filters, clear obstructions, select correct mode/temperature, contact professional for refrigerant check. |
| Usædvanlig støj | Loose parts, foreign objects, fan imbalance. | Turn off unit and inspect for obstructions. If noise persists, contact service. |
| Vandlækage fra indendørsenhed | Tilstoppet afløbsslange, forkert installation. | Kontroller og rens afløbsslangen. Hvis problemet fortsætter, kræves der en professionel inspektion. |
For issues not listed here or if solutions do not resolve the problem, please contact TOSOT customer support or a qualified service technician.
8. Specifikationer
Key technical specifications for the TOSOT 12,000 BTU Cosmo Series Mini-Split Air Conditioner and Heating System (Model: GWH12ATCXB-D6DNA1AO).
| Modelnummer | GWH12ATCXB-D6DNA1AO |
| Kølekapacitet | 12,000 BTU (1 ton) |
| Varmekapacitet | 12,000 BTU |
| SEER2-vurdering | 19 (op til 22) |
| Voltage | 230 volt |
| Støjniveau (indendørs) | 22-36 decibel |
| Dækning af gulvareal | Op til 750 kvadratmeter |
| Operating Temperature (Cooling) | Op til 122°F |
| Operating Temperature (Heating) | Ned til -13°F |
| Særlige funktioner | Fast Cooling, WiFi Enabled, Voice Control |
| Indendørsenheds dimensioner (BxHxD) | 32.9 cm x 10.8 cm x 7.9 cm |
| Outdoor Unit Dimensions (DxWxH) | 28.82 cm x 21.85 cm x 12.99 cm |
| Varens vægt | 95.5 pund |
| Kølevæsketype | R32 |

Image 8.1: Dimensional specifications for various BTU models, including the 12,000 BTU unit.
9. Garanti og support
Your TOSOT Mini-Split Air Conditioner and Heating System comes with a 5-års garantiGem venligst din købsbevis i tilfælde af garantikrav.
For technical assistance, troubleshooting beyond this manual, or warranty service, please contact TOSOT customer support. Contact information can typically be found on the manufacturer's webwebstedet eller i garantikortet, der følger med dit produkt.
Fabrikant: Gree Electric Appliances, Inc. i Zhuhai





