1. Taarifa Muhimu za Usalama
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.
- Mahitaji ya umeme: This unit requires a special 230-volt/20-amp electrical outlet. Ensure proper grounding and use a dedicated circuit.
- Usakinishaji: 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.
- Watoto na Wanyama wa Kipenzi: Weka watoto na wanyama wa kipenzi mbali na kitengo wakati wa operesheni.
- Matengenezo: Chomoa kifaa kila wakati kabla ya kusafisha au kufanya matengenezo yoyote.
2. Bidhaa Imeishaview
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.

Picha: Mbele 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. Yaliyomo kwenye Kifurushi
Thibitisha kuwa bidhaa zote zilizoorodheshwa hapa chini zimejumuishwa kwenye kifurushi chako:
- Keystone Wall Mounted Air Conditioner Unit
- Udhibiti wa Kijijini
- Betri 2 za AAA (kwa udhibiti wa mbali)
- Mesh Filter (pre-installed)
- Punguza Kit
- Mwongozo wa Maagizo (hati hii)
- Taarifa ya Udhamini
4. Ufungaji
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.
- Muunganisho wa Umeme: 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.
- Sleeve ya Ukuta: Install the wall sleeve securely according to its manufacturer's instructions.
- Uwekaji wa kitengo: Carefully slide the air conditioner unit into the installed wall sleeve.
- Seti ya Kupunguza: 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. Maagizo ya Uendeshaji
Familiarize yourself with the control panel on the unit and the remote control for optimal use.
5.1. Udhibiti wa Kijijini
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. Njia za Uendeshaji
- Hali ya Kupoeza: 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.
- Hali ya Dehumidifier: Removes up to 2.5 pints of moisture per hour from the air, helping to reduce humidity and improve comfort.
- Hali ya Mashabiki: Circulates air without cooling or heating. Choose from 3 fan speeds to suit your preference.
5.3. Energy Saving Features
Utilize these features to optimize energy consumption and reduce operating costs:
- Njia ya Kuokoa Nishati: The fan will cycle on and off with the compressor to conserve energy once the set temperature is reached.
- Njia ya Kulala: Gradually increases the room temperature over several hours to save energy while you sleep, maintaining comfort.
- Kipima Muda cha Saa 24: 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. Matengenezo
Matengenezo ya mara kwa mara huhakikisha utendakazi bora na huongeza maisha ya kiyoyozi chako.
6.1. Kusafisha Kichujio cha Hewa
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.
- Zima umeme: Always unplug the air conditioner before removing the filter.
- Ondoa Kichujio: Carefully remove the mesh filter from its designated slot.
- Kichujio Safi: Wash the filter with warm, soapy water. Rinse thoroughly. For heavily soiled filters, a vacuum cleaner can be used to remove loose dust before washing.
- Kichujio Kikavu: Allow the filter to air dry completely before reinserting it. Do not use heat to dry.
- Sakinisha upya Kichujio: Weka kichujio kavu tena kwenye kitengo.

Picha: Karibu view of the washable, removable mesh filter being cleaned under running water.
6.2. Usafishaji wa Jumla
Futa sehemu ya nje ya kitengo kwa laini, damp kitambaa. Usitumie kemikali kali au visafishaji vya abrasive.
7. Utatuzi wa shida
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.
- Kitengo hakiwashi: 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.
- Kupoeza/kupasha joto haitoshi: 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.
- Kelele zisizo za kawaida: 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.
- Uvujaji wa maji: Ensure the unit is installed with a slight tilt to allow proper drainage. Check for any blockages in the drain pan or hose.
8. Vipimo
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.
| Kipengele | Maelezo |
|---|---|
| Nambari ya Mfano | KSTAT12-2HD |
| Uwezo wa Kupoa | 12,000 BTU |
| Supplemental Heating Capacity | 10,600 BTU |
| Eneo la Chanjo | Hadi futi za mraba 550. |
| Uwezo wa kudorora | 2.5 Pinti/Saa |
| Voltage | 230 Volts |
| Wattage | 1220 watts |
| Chanzo cha Nguvu | Umeme wa Cord |
| Aina ya programu-jalizi | NEMA 6-20P |
| Urefu wa Cable | 6.5 ft. LCDI |
| Vipimo (W x H x D) | Inchi 24.2 x 14.5 x 20.3 |
| Uzito wa Kipengee | Pauni 78.3 |
| Kiwango cha Sauti | 61.3 decibels |
| Uwiano wa Ufanisi wa Nishati kwa Msimu (SEER) | 9.5 |
| Rangi | Nyeupe Mkali |
| Nyenzo | Plastiki |
| Njia ya Ufungaji | Wall (Through-the-Wall) |
| Vipengele Maalum | 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. Udhamini na Msaada
Your Keystone KSTAT12-2HD air conditioner comes with a comprehensive warranty:
- Sehemu na Kazi ya Mwaka 1: Covers defects in materials and workmanship for one year from the date of purchase.
- 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 webtovuti.





