Introducció
This manual provides detailed instructions for the safe and efficient operation, installation, and maintenance of your Keystone KSTAT12-1E 12,000 BTU Wall Mounted AC Unit and Dehumidifier. Please read this manual thoroughly before using your appliance and retain it for future reference.

Imatge: Frontal view of the Keystone KSTAT12-1E 12,000 BTU Wall Mounted AC Unit. This unit is designed for through-the-wall installation, featuring a white grille and control panel on the top left.
Informació de seguretat
Seguiu sempre les precaucions de seguretat bàsiques quan utilitzeu aparells elèctrics per reduir el risc d'incendi, descàrrega elèctrica i lesions a les persones.
- Llegiu totes les instruccions abans d'utilitzar l'aparell.
- Assegureu-vos que la unitat estigui correctament connectada a terra.
- No feu servir la unitat amb un cable o un endoll danyats.
- No bloquegeu les entrades o sortides d'aire.
- Desconnecteu la unitat abans de netejar-la o fer-ne el servei.
- Mantingueu els nens allunyats de l’aparell.
Característiques del producte
- Capacitat de refrigeració: 12,000 BTU, suitable for rooms up to 550 Sq.Ft.
- Deshumidificació: Removes up to 2.5 pints of moisture per hour.
- Múltiples modes: 3 cooling modes, 3 fan speeds.
- Control del flux d'aire: 4-way adjustable air louvers.
- Temporitzador programable: Temporitzador de 24 hores per a un funcionament programat.
- Control remot intel·ligent: Features a built-in thermostat for accurate temperature sensing at your location.
- Energy Saving Modes: Energy Saver and Sleep modes to optimize power consumption.
- Alerta de filtre: "Check Filter" alert for timely mesh filter cleaning.
- Potència: Funcionament de 115V.

Image: Graphic illustrating the 3-in-1 technology of the Keystone AC unit, highlighting powerful cooling (12,000 BTU - 550 Sq. Ft.), air flow (3 fan speeds), and dehumidification (2.3 Pints per Hour).
Configuració i instal·lació
This unit is designed for through-the-wall installation. A standard universal interior trim kit is included for ease of installation. A wall sleeve (sold separately) is required for proper installation.
Llista de verificació prèvia a la instal·lació:
- Ensure the wall opening dimensions are compatible with the unit and wall sleeve.
- Verify electrical requirements (115V, NEMA 5-15P plug type).
- Confirm the unit's weight (approximately 73 lbs) can be supported by the installation structure.
- Reuneix les eines necessàries (nivell, tornavís, cinta mètrica, etc.).
Passos d'instal·lació (resum):
- Install the wall sleeve (if not already present) according to its manufacturer's instructions, ensuring it is level and properly sealed.
- Carefully slide the AC unit into the installed wall sleeve.
- Secure the unit within the sleeve using the provided hardware.
- Install the interior trim kit around the unit for a finished appearance.
- Plug the unit into a grounded 115V outlet. The power cord is approximately 7 feet long.

Image: Illustration showing the Keystone AC unit installed in a wall, emphasizing easy installation into a universal wall sleeve and how it frees up window space for natural light.

Image: Diagram showing the NEMA 5-15P plug type for the Keystone AC unit, indicating it is a standard 115V/15A plug, and specifying a cable length of 7 ft. LCDI.
Instruccions de funcionament
Your Keystone AC unit can be operated using the control panel on the unit or the included remote control.
Tauler de control acabatview:
The control panel features buttons for Power, Mode selection (Cool, Fan, Dry), Fan Speed, Temperature Up/Down, and Timer. Refer to the diagram in the full user manual for exact button locations.
Comandament a distància:
The remote control allows you to adjust settings from anywhere in the room. It includes a built-in thermostat that sends temperature readings to the unit every 3 minutes, ensuring precise cooling based on your location.

Image: A person sitting on a couch using the remote control for the Keystone AC unit, illustrating the convenience of the built-in remote thermostat for controlling the air conditioner from anywhere in the room.
Modes de funcionament:
- Mode fresc: Provides cooling and dehumidification. Select desired temperature and fan speed.
- Mode de ventilador: Fa circular l'aire sense refredar. Trieu entre 3 velocitats del ventilador (Baixa, Mitjana, Alta).
- Mode sec (deshumidificador): Redueix la humitat a l'habitació. La velocitat del ventilador es controla automàticament en aquest mode.
Característiques especials:
- Mode d'estalvi d'energia: El ventilador s'encén i s'apaga amb el compressor per estalviar energia.
- Mode de repòs: Gradually increases the room temperature over several hours to save energy and provide comfortable sleeping conditions.
- Temporitzador de 24 hores: Programa la unitat perquè s'encengui o s'apagui automàticament en un període de 24 hores.

Image: A person sleeping comfortably in bed, with text indicating that the sleep mode gradually increases room temperature to save energy, highlighting the energy-efficient feature of the Keystone AC unit.
Manteniment
Regular maintenance ensures optimal performance and extends the lifespan of your AC unit.
Neteja del filtre d'aire:
- The "Check Filter" alert will illuminate when it's time to clean the mesh filter.
- To clean, gently pull out the air filter from its slot (usually located behind the front grille).
- Renteu el filtre amb aigua tèbia i sabó. Esbandiu-lo bé i deixeu-lo assecar completament a l'aire abans de tornar-lo a inserir.
- Clean the filter at least once every two weeks, or more frequently depending on usage and air quality.
Neteja general:
- Desconnecteu sempre la unitat abans de netejar-la.
- Netegeu l'exterior del moble amb un drap suau iamp tela. No utilitzeu productes químics agresivs o abrasius.
- Ensure the drainage area is clear of obstructions.
Resolució de problemes
Abans de contactar amb l'atenció al client, consulteu els següents problemes i solucions habituals:
| Problema | Causa possible | Solució |
|---|---|---|
| La unitat no s'encén. | No power, tripped circuit breaker, or faulty plug. | Check power cord connection, reset circuit breaker, or test outlet. |
| La unitat no refreda eficaçment. | Dirty air filter, blocked air vents, room too large, or temperature setting too high. | Clean air filter, clear obstructions, ensure room size is within specifications, lower temperature setting. |
| Aigua que goteja per dins. | Unit not level, or drain pan/hose blocked. | Ensure unit is level, clear any blockages in the drain system. |
| Soroll inusual. | Loose parts, fan obstruction, or normal compressor operation. | Check for loose parts, remove obstructions. Some noise from the compressor is normal. |
If the problem persists after attempting these solutions, please contact Keystone customer support.
Especificacions
| Característica | Detall |
|---|---|
| Número de model | KSTAT12-1E |
| Capacitat de refrigeració | 12,000 BTU |
| Voltage | 115 Volts |
| Mida recomanada de l'habitació | Fins a 550 peus quadrats. |
| Capacitat de deshumidificació | 2.3 pintes per hora |
| Dimensions del producte (PxWxH) | 20.28" x 24.21" x 14.53" |
| Pes de l'article | 73 lliures |
| Nivell de soroll | 55.3 dB |
| Refrigerant | R-32 |
| Característiques especials | 24 Hour Timer, Energy Saver Mode, Fast Cooling, Remote Controlled, Sleep Mode |

Image: Diagram showing the dimensions of the Keystone AC unit: 24.21 inches wide, 14.53 inches high, and 20.28 inches deep. The unit's weight is also indicated as 72.97 lbs.
Garantia i Suport
Informació de la garantia:
Your Keystone KSTAT12-1E AC unit comes with a Garantia limitada d'1 anyAquesta garantia cobreix els defectes de materials i de fabricació en condicions d'ús normal. Consulteu la targeta de garantia inclosa amb el producte per conèixer tots els termes i condicions.
Atenció al client:
For technical assistance, warranty claims, or general inquiries, please contact Keystone customer support. Contact details can typically be found on the manufacturer's weblloc web o a l'embalatge del producte.
You may also refer to the official Manual d'usuari (PDF) per a detalls addicionals.





