1. Sarrera
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. Segurtasun informazio garrantzitsua
OHARRA: Produktu honek produktu kimikoen eraginpean jar dezake beruna barne, Kaliforniako Estatuak minbizia eta jaiotza-akatsak edo ugalketa-kalte batzuk eragiten dituela ezagutzen duena. Informazio gehiago nahi izanez gero, joan 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. Zer dago kutxan
Desontziratzean, egiaztatu osagai guztiak sartuta daudela:
- Aire girotuko unitatea
- Urruneko kontrola
- 2 AAA bateria
- Mesh air filter (pre-installed)
- Leihoak instalatzeko kit
- Erabiltzailearen eskuliburua (dokumentu hau)
- Bermeari buruzko informazioa

Figure 2: Unit dimensions for planning installation.
4. Konfigurazioa eta instalazioa
Jarraitu urrats hauek leihoko aire girotua behar bezala instalatzeko:
- Leihoaren prestaketa: 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.
- Erantsi goiko erraila: 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.
- Unitatea kokatu: Firmly grip the air conditioner and carefully place it into the window opening. Ensure it is level and securely seated.
- Zigiluaren irekierak: 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.
- Potentzia-konexioa: 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.
Instalazio Bideo Gida
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. Funtzionamendu-argibideak
Your Keystone air conditioner offers various modes and settings for optimal comfort.
Kontrol Panela eta Urrunekoa
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.
Moduak eta Ezaugarriak
- Hozte moduak: Select from 3 cooling modes to suit your preference.
- Fan abiadura: Adjust airflow with 3 fan speeds (Low, Medium, High).
- Deshumidifikazioa: 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.
- Energia aurrezteko modua: Energia-kontsumoa optimizatzen du konpresorea eta haizagailua ziklatuz ezarritako tenperatura eraginkortasunez mantentzeko.
- Lo egiteko modua: Gradually increases the room temperature over time to save energy while you sleep, ensuring comfortable conditions without excessive cooling.

7 Irudia: Gainetikview of the unit's 3-in-1 technology.

Figure 8: Sleep mode for energy saving and comfort.
Produktua amaituview Bideoa
2. bideoa: Over batview of Keystone Window/Wall Air Conditioners, highlighting key features and benefits.
6. Mantentzea
Mantentze-lan erregularrak zure aire girotuaren errendimendu optimoa eta iraupen luzea bermatzen ditu.
Aire-iragazkia garbitzea
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.
- Garbitu iragazkia ur korrontearen azpian edo erabili xurgagailua hautsa eta hondakinak kentzeko.
- Allow the filter to dry completely before re-installing it into the unit.

Figure 9: Cleaning the washable removable filter.
7. Arazoak
If you encounter issues with your air conditioner, refer to the common problems and solutions below:
- Unitatea ez da pizten:
- Ensure the power cord is securely plugged into a dedicated 230V outlet.
- Egiaztatu zure etxeko zirkuitu-etengailua edo fusible-kutxa.
- Verify the unit's power button is pressed and the timer is not set to off.
- Unitateak ez du ondo hozten:
- Check if the air filter is clean and not obstructed.
- Ziurtatu gelako leihoak eta ateak itxita daudela aire beroa sartzea saihesteko.
- Egiaztatu tenperaturaren ezarpena gelako tenperatura baino txikiagoa dela.
- Confirm there are no obstructions to the air intake or exhaust vents.
- Ezohiko zarata:
- 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.
Arazo iraunkorretarako, jarri harremanetan bezeroarentzako arreta-zerbitzuarekin.
8. Produktuaren zehaztapenak
| Ezaugarri | Xehetasuna |
|---|---|
| Modelo zenbakia | KSTAW18C |
| Hozteko Ahalmena | 18,000 BTU |
| Estaldura Eremua | 1000 oin koadro arte. |
| liburukiatage | 230 Volt |
| Wattage | 1525 watt |
| Deshumidifikazio-tasa | 3.8 Pints per Hour |
| Soinu Maila | 54 dB |
| Produktuaren neurriak (LxWxH) | 23.6 x 25.4 x 17.9 hazbete |
| Elementuaren pisua | 114.4 kilo |
| Leihoaren gutxieneko altuera | 18.5 hazbetekoa |
| Window Width Range | 28" - 40.5" |
| Energia iturria | Kable elektrikoa |
| Ezaugarri bereziak | Remote Controlled, Filter Light Reminder, Dehumidifier |
| Energia Eraginkortasun Ratioa (SEER) | 11.8 |

Figure 10: EnergyGuide for estimated yearly energy cost and efficiency.
9. Bermea eta Laguntza
Bermearen informazioa
Your Keystone air conditioner comes with a 1 urteko berme mugatua, produktuaren kalitateari eta errendimenduari buruzko lasaitasuna bermatuz.
Bezeroarentzako Arreta
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





