1. Introducció
This manual provides detailed instructions for the safe and efficient operation, installation, and maintenance of your Keystone 18,000 BTU Window Air Conditioner. Designed for rooms up to 1000 square feet, this unit offers powerful cooling and effective dehumidification to enhance your indoor comfort.

Figure 1: Keystone 18,000 BTU Window Air Conditioner.
2. Informació important de seguretat
ADVERTIMENT: Aquest producte us pot exposar a substàncies químiques, com ara el plom, que l'estat de Califòrnia sap que causa càncer i defectes de naixement o altres danys reproductius. Per a més informació aneu a www.P65Warnings.ca.gov.
Always ensure the unit is plugged into a direct, dedicated electrical outlet. Do not use extension cords or power strips with this appliance to prevent electrical hazards and ensure optimal performance.
3. Què hi ha a la caixa
En desembalar, comproveu que hi hagi tots els components següents:
- Unitat d'aire condicionat
- Comandament a distància
- 2 piles AAA
- Mesh air filter (pre-installed)
- Kit d'instal·lació de finestres
- Manual d'usuari (aquest document)
- Informació de la garantia

Figure 2: Unit dimensions for planning installation.
4. Configuració i instal·lació
Seguiu aquests passos per instal·lar correctament l'aire condicionat de la finestra:
- Window Preparation: Ensure your window is at least 18.5 inches high and has a width between 28 inches (minimum) and 40.5 inches (maximum). The window must allow for clear airflow from the back of the unit.
- Enganxeu el rail superior: Screw the top rail to the air conditioner unit using the four provided screws.
- Install Accordion Panels: Free the open end of each accordion panel and slide it into the unit. Then, slide the top and bottom rails into place to secure them. Repeat for both panels.
- Posicioneu la unitat: Firmly grip the air conditioner and carefully place it into the window opening. Ensure it is level and securely seated.
- Obertures del segell: If needed, cut the window sash seal foam and insert it into the cracks of the window sashes to prevent air leakage. Additional seal tape can be used to secure any remaining openings after assembly.
- Connexió d'alimentació: Plug the unit directly into a dedicated 230-volt, 20-amp electrical outlet (NEMA 6-15P plug type). The cable length is approximately 6.5 feet.

Figure 3: Window installation with compatible width.

Figure 4: Required plug type and cable length.
Guia de vídeo d'instal·lació
Video 1: Step-by-step guide on installing the Keystone Window Air Conditioner. This video demonstrates unpacking, attaching panels, and securing the unit in the window.
5. Instruccions de funcionament
Your Keystone air conditioner offers various modes and settings for optimal comfort.
Tauler de control i comandament a distància
The unit can be operated using the integrated control panel or the included remote control. The remote features a built-in thermostat that detects the temperature at its location and adjusts cooling for personalized comfort.

Figure 5: Unit control panel.

Figure 6: Smart remote control with built-in thermostat.
Modes i característiques
- Modes de refrigeració: Select from 3 cooling modes to suit your preference.
- Velocitats del ventilador: Adjust airflow with 3 fan speeds (Low, Medium, High).
- Deshumidificació: The unit can remove up to 3.8 pints of moisture per hour, improving air quality and comfort in humid conditions.
- Adjustable Air Louvers: Direct airflow with 4-way adjustable air louvers.
- Temporitzador programable de 24 hores: Set the unit to turn on or off automatically according to your schedule.
- Mode d'estalvi d'energia: Optimitza el consum d'energia fent funcionar el compressor i el ventilador de manera cíclica per mantenir la temperatura configurada de manera eficient.
- Mode de repòs: Gradually increases the room temperature over time to save energy while you sleep, ensuring comfortable conditions without excessive cooling.

Figura 7: Mésview of the unit's 3-in-1 technology.

Figure 8: Sleep mode for energy saving and comfort.
Producte acabatview Vídeo
Vídeo 2: Un overview of Keystone Window/Wall Air Conditioners, highlighting key features and benefits.
6. Manteniment
Un manteniment regular garanteix un rendiment òptim i una llarga vida útil del vostre aire condicionat.
Neteja del filtre d'aire
The "Check Filter" alert will illuminate to remind you when it's time to clean the mesh filter. A clean filter is crucial for efficient airflow and cooling performance.
- Carefully remove the mesh air filter from the unit.
- Wash the filter under running water or use a vacuum cleaner to remove dust and debris.
- Allow the filter to dry completely before re-installing it into the unit.

Figure 9: Cleaning the washable removable filter.
7. Solució De Problemes
If you encounter issues with your air conditioner, refer to the common problems and solutions below:
- La unitat no s'encén:
- Ensure the power cord is securely plugged into a dedicated 230V outlet.
- Check your home's circuit breaker or fuse box.
- Verify the unit's power button is pressed and the timer is not set to off.
- La unitat no refreda eficaçment:
- Check if the air filter is clean and not obstructed.
- Ensure windows and doors in the room are closed to prevent warm air entry.
- Verifiqueu que la temperatura configurada sigui inferior a la temperatura ambient.
- Confirm there are no obstructions to the air intake or exhaust vents.
- Soroll inusual:
- A slight rattling or gurgling sound may be normal due to refrigerant flow.
- Ensure the unit is installed level and securely in the window to prevent vibrations.
- Check for any loose parts or debris inside the unit (unplug before inspecting).
- Water dripping from the unit:
- During high humidity, some water dripping from the outdoor side is normal.
- Ensure the unit is slightly tilted outwards to allow proper drainage.
Per a problemes persistents, poseu-vos en contacte amb l'atenció al client.
8. Especificacions del producte
| Característica | Detall |
|---|---|
| Número de model | KSTAW18C |
| Capacitat de refrigeració | 18,000 BTU |
| Àrea de cobertura | Fins a 1000 peus quadrats. |
| Voltage | 230 Volts |
| Wattage | 1525 watts |
| Taxa de deshumidificació | 3.8 Pints per Hour |
| Nivell de so | 54 dB |
| Dimensions del producte (PxWxH) | 23.6 x 25.4 x 17.9 polzades |
| Pes de l'article | 114.4 lliures |
| Alçada mínima de la finestra | 18.5 polzades |
| Window Width Range | 28" - 40.5" |
| Font d'alimentació | Elèctric amb cable |
| Característiques especials | Remote Controlled, Filter Light Reminder, Dehumidifier |
| Ràtio d'eficiència energètica (SEER) | 11.8 |

Figure 10: EnergyGuide for estimated yearly energy cost and efficiency.
9. Garantia i Suport
Informació de la garantia
Your Keystone air conditioner comes with a Garantia limitada d'1 any, garantint la tranquil·litat pel que fa a la qualitat i el rendiment del producte.
Atenció al client
For any questions, technical assistance, or warranty claims, please contact Keystone customer support. Our reliable customer support team is committed to ensuring your satisfaction.
Visit the official Keystone store for more information and support resources: Keystone Store on Amazon





