1. Segurtasun informazio garrantzitsua
Read all instructions thoroughly before installing and operating this appliance. Keep this manual for future reference. Your safety and the safety of others are very important. Follow all safety messages outlined in this manual.
- Baldintza elektrikoak: Unitate honek 230 volteko/20-ko korronte berezi bat behar du.amp electrical outlet. Ensure proper grounding and use a dedicated circuit.
- Instalazioa: Installation must be performed in accordance with national electrical codes by qualified personnel only. Do not attempt to install the unit yourself if you are not qualified.
- Operating Temperature for Heat Mode: The supplemental heating mode is designed to operate when outside temperatures are between 23°F and 76°F (-5°C and 24°C). It is not intended as a primary heat source during colder months.
- Haurrak eta maskotak: Mantendu haurrak eta maskotak unitatetik urrun funtzionamenduan zehar.
- Mantentzea: Deskonektatu beti unitatea garbitu edo mantentze-lanak egin aurretik.
2. Produktua amaitu daview
The Keystone KSTAT12-2HD is a versatile 12,000 BTU wall-mounted air conditioner designed to provide comfort in rooms up to 550 square feet. This unit offers 4-in-1 functionality, including powerful cooling, supplemental heating, dehumidification, and fan-only operation.

Irudia: Aurrealdea view of the Keystone 12,000 BTU Wall Mounted Air Conditioner, showing the control panel and air vents.
Its through-the-wall design saves window space and allows for more natural light. The unit features a smart remote control with a built-in thermostat for precise temperature management and energy-saving modes like 'Energy Saver' and 'Sleep' mode, along with a programmable 24-hour timer.

Image: A graphic highlighting the unit's 4-in-1 technology: Powerful Cooling (12,000 BTU - 550 Sq. Ft.), Supplemental Heating (10,600 BTU), Air Flow (3 Fan Speeds), and Dehumidification (2.5 Pints Per Hour).

Image: The Keystone air conditioner installed in a contemporary office environment, demonstrating its integration into a living or working space.
3. Paketearen edukia
Egiaztatu behean zerrendatutako elementu guztiak zure paketean sartuta daudela:
- Keystone Wall Mounted Air Conditioner Unit
- Urruneko Kontrola
- 2 AAA bateria (urrutiko aginterako)
- Sare-iragazkia (aurrez instalatuta)
- Ebakitzeko Kit
- Argibide eskuliburua (dokumentu hau)
- Bermearen informazioa
4. Instalazioa
This unit is designed for through-the-wall installation. A universal wall sleeve (24.5"-27") is required and sold separately. A trim kit is included for a finished appearance.
- Konexio elektrikoa: The unit requires a NEMA 6-20P plug and a special 230V/20AMP electrical outlet. Ensure the outlet is properly installed and grounded. The cable length is 6.5 ft. LCDI.
- Hormako mahuka: Install the wall sleeve securely according to its manufacturer's instructions.
- Unitatearen kokapena: Kontu handiz sartu aire girotuaren unitatea instalatutako hormako zorroan.
- Moztu kit: Attach the included trim kit around the unit for a neat and finished look.

Image: A graphic illustrating the easy installation process into a universal wall sleeve and the benefit of freeing up window space for natural light.

Image: A graphic showing the required NEMA 6-20P plug type for a 230V/20AMP outlet and the 6.5 ft LCDI cable length.
5. Funtzionamendu-argibideak
Familiarize yourself with the control panel on the unit and the remote control for optimal use.
5.1. Urruneko kontrola
The remote control features a built-in thermostat that senses the room temperature at its location. It displays this temperature on its LCD screen and sends a signal to the AC unit every 3 minutes, ensuring accurate and precise cooling or heating based on your preferred temperature.

Image: A person comfortably operating the wall-mounted air conditioner using the remote control from a sofa.

Image: A graphic emphasizing the convenience of the built-in remote thermostat, allowing control from anywhere in the room.
5.2. Funtzionamendu moduak
- Hozte modua: Provides 12,000 BTU of cooling capacity, suitable for rooms up to 550 square feet. Adjust the temperature setting to your desired comfort level.
- Supplemental Heating Mode: Offers 10,600 BTU of supplemental heating capacity. This mode is intended to assist your primary heating system and should be used when outside temperatures are between 23°F and 76°F.
- Deshezegailu modua: Removes up to 2.5 pints of moisture per hour from the air, helping to reduce humidity and improve comfort.
- Fan modua: Circulates air without cooling or heating. Choose from 3 fan speeds to suit your preference.
5.3. Energia Aurrezteko Ezaugarriak
Utilize these features to optimize energy consumption and reduce operating costs:
- Energia aurrezteko modua: The fan will cycle on and off with the compressor to conserve energy once the set temperature is reached.
- Lo egiteko modua: Gradually increases the room temperature over several hours to save energy while you sleep, maintaining comfort.
- 24 orduko tenporizadorea: Program the unit to turn on or off automatically at specific times within a 24-hour period.

Image: A visual representation of the energy-efficient Sleep Mode, which adjusts temperature for energy savings during sleep.
6. Mantentzea
Mantentze-lan erregularrak zure aire girotuaren errendimendu optimoa bermatzen du eta bizitza luzatzen du.
6.1. Aire-iragazkia garbitzea
The unit is equipped with a 'Check Filter' alert that indicates when it's time to clean the mesh filter. A clean filter is crucial for efficient operation and cleaner air circulation.
- Itzali: Always unplug the air conditioner before removing the filter.
- Kendu iragazkia: Carefully remove the mesh filter from its designated slot.
- Garbitu iragazkia: Garbitu iragazkia ur epel eta xaboitsuarekin. Ondo garbitu. Oso zikinduta dauden iragazkietarako, xurgagailua erabil daiteke hauts soltea kentzeko garbitu aurretik.
- Iragazki lehorra: Allow the filter to air dry completely before reinserting it. Do not use heat to dry.
- Berriro instalatu iragazkia: Place the dry filter back into the unit.

Irudia: Gertutik view of the washable, removable mesh filter being cleaned under running water.
6.2. Garbiketa orokorra
Garbitu unitatearen kanpoaldea leun batekin, damp oihal. Ez erabili produktu kimiko gogorrak edo garbitzaile urratzaileak.
7. Arazoak
If you encounter issues with your air conditioner, refer to the following common problems and solutions. For more detailed troubleshooting, consult the comprehensive manual provided with your unit or contact customer support.
- Unitatea ez da pizten: Check if the unit is properly plugged into a 230V/20A outlet. Verify the circuit breaker has not tripped. Ensure the remote control batteries are not depleted.
- Hozte/berotze nahikoa ez: Check if the air filter is clean. Ensure no obstructions are blocking the air intake or exhaust. Verify the temperature setting is appropriate for the desired mode. Ensure windows and doors are closed.
- Ezohiko zaratak: Some operational sounds are normal (e.g., fan, compressor starting/stopping). If you hear loud or unusual noises, unplug the unit and contact customer support.
- Ur-isurketa: Ensure the unit is installed with a slight tilt to allow proper drainage. Check for any blockages in the drain pan or hose.
8. Zehaztapenak
Detailed technical specifications for the Keystone KSTAT12-2HD air conditioner.

Image: A diagram illustrating the physical dimensions (24.2" W x 14.5" H x 20.3" D) and weight (78.3 lbs) of the air conditioner unit.
| Ezaugarri | Xehetasuna |
|---|---|
| Modelo zenbakia | KSTAT12-2HD |
| Hozteko Ahalmena | 12,000 BTU |
| Berokuntza-ahalmen osagarria | 10,600 BTU |
| Estaldura Eremua | Gehienez 550 sq. |
| Deshumidifikazio Ahalmena | 2.5 Pinta/Ordu |
| liburukiatage | 230 Volt |
| Wattage | 1220 watt |
| Energia iturria | Kable elektrikoa |
| Entxufe mota | NEMA 6-20P |
| Kablearen luzera | 6.5 ft. LCDI |
| Neurriak (W x H x D) | 24.2 x 14.5 x 20.3 hazbete |
| Elementuaren pisua | 78.3 kilo |
| Soinu Maila | 61.3 dezibelio |
| Energia-eraginkortasun sasoikoaren ratioa (SEER) | 9.5 |
| Kolorea | Zuri distiratsua |
| Materiala | Plastikoa |
| Instalazio-metodoa | Wall (Through-the-Wall) |
| Ezaugarri bereziak | Dehumidifier, Fast Cooling, Filter Light Reminder, Heating And Cooling Function, Remote Controlled |

Image: A room size guide indicating that a 12,000 BTU unit is suitable for areas up to 550 square feet.
9. Bermea eta Laguntza
Your Keystone KSTAT12-2HD air conditioner comes with a comprehensive warranty:
- 1-Year Parts and Labor: Materialen eta fabrikazioaren akatsak estaltzen ditu erosketa-datatik urtebetez.
- Additional 4 Years for Sealed System: An extended warranty covers the sealed refrigeration system components for an additional four years (total of five years).
For warranty claims, technical assistance, or further support, please refer to the contact information provided in the warranty document included with your product or visit the official Keystone webgunea.





