1. Introduction
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. Informations importantes sur la sécurité
AVERTISSEMENT: Ce produit peut vous exposer à des produits chimiques, notamment au plomb, qui est reconnu par l'État de Californie comme étant à l'origine de cancers, de malformations congénitales ou d'autres troubles de la reproduction. Pour plus d'informations, consultez 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. Contenu de la boîte
Lors du déballage, vérifiez que tous les composants suivants sont inclus :
- Unité de climatisation
- Télécommande
- 2 piles AAA
- Mesh air filter (pre-installed)
- Kit d'installation de fenêtre
- Manuel d'utilisation (ce document)
- Informations sur la garantie

Figure 2: Unit dimensions for planning installation.
4. Configuration et installation
Suivez ces étapes pour installer correctement votre climatiseur de fenêtre :
- Préparation de la fenêtre : 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.
- Fixez le rail supérieur : Screw the top rail to the air conditioner unit using the four provided screws.
- Installation des panneaux accordéon : 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.
- Positionner l'unité : Firmly grip the air conditioner and carefully place it into the window opening. Ensure it is level and securely seated.
- Ouvertures de scellement : 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.
- Connexion électrique : 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.
Guide vidéo d'installation
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. Mode d'emploi
Your Keystone air conditioner offers various modes and settings for optimal comfort.
Panneau de contrôle et télécommande
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 et fonctionnalités
- Modes de refroidissement : Select from 3 cooling modes to suit your preference.
- Vitesses du ventilateur : Adjust airflow with 3 fan speeds (Low, Medium, High).
- Déshumidification: 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.
- Programmable 24-Hour Timer: Set the unit to turn on or off automatically according to your schedule.
- Mode d'économie d'énergie : Optimizes energy consumption by cycling the compressor and fan to maintain the set temperature efficiently.
- Mode veille: Gradually increases the room temperature over time to save energy while you sleep, ensuring comfortable conditions without excessive cooling.

Figure 7 : Plusview of the unit's 3-in-1 technology.

Figure 8: Sleep mode for energy saving and comfort.
Produit terminéview Vidéo
Vidéo 2 : Un overview of Keystone Window/Wall Air Conditioners, highlighting key features and benefits.
6. Entretien
Un entretien régulier garantit des performances optimales et une longue durée de vie à votre climatiseur.
Nettoyage du filtre à air
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.
- Lavez le filtre à l'eau courante ou utilisez un aspirateur pour enlever la poussière et les débris.
- Allow the filter to dry completely before re-installing it into the unit.

Figure 9: Cleaning the washable removable filter.
7. Dépannage
If you encounter issues with your air conditioner, refer to the common problems and solutions below:
- L'appareil ne s'allume pas :
- Ensure the power cord is securely plugged into a dedicated 230V outlet.
- Vérifiez le disjoncteur ou le tableau électrique de votre maison.
- Verify the unit's power button is pressed and the timer is not set to off.
- L'unité ne refroidit pas efficacement :
- Vérifiez que le filtre à air est propre et non obstrué.
- Veillez à ce que les fenêtres et les portes de la pièce soient fermées afin d'empêcher l'air chaud d'entrer.
- Verify the temperature setting is lower than the room temperature.
- Confirm there are no obstructions to the air intake or exhaust vents.
- Bruit inhabituel :
- 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).
- De l'eau s'écoule de l'appareil :
- During high humidity, some water dripping from the outdoor side is normal.
- Ensure the unit is slightly tilted outwards to allow proper drainage.
Pour tout problème persistant, veuillez contacter le service client.
8. Spécifications du produit
| Fonctionnalité | Détail |
|---|---|
| Numéro de modèle | KSTAW18C |
| Capacité de refroidissement | 18,000 XNUMX BTU |
| Zone de couverture | Jusqu'à 1000 pieds carrés. |
| Voltage | 230 volts |
| Quoitage | 1525 watts |
| Taux de déshumidification | 3.8 Pints per Hour |
| Niveau sonore | 54 dB |
| Dimensions du produit (PxLxH) | 23.6 x 25.4 x 17.9 pouces |
| Poids de l'article | 114.4 livres |
| Hauteur minimale de la fenêtre | 18.5 pouces |
| Gamme de largeur de fenêtre | 28" - 40.5" |
| Source d'énergie | Électrique avec fil |
| Caractéristiques spéciales | Remote Controlled, Filter Light Reminder, Dehumidifier |
| Coefficient d'efficacité énergétique (SEER) | 11.8 |

Figure 10: EnergyGuide for estimated yearly energy cost and efficiency.
9. Garantie et assistance
Informations sur la garantie
Your Keystone air conditioner comes with a Garantie limitée de 1 ans, garantissant ainsi la tranquillité d'esprit quant à la qualité et aux performances du produit.
Assistance clientèle
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: Boutique Keystone sur Amazon





