Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Keystone KSTAW08BE 8,000 BTU Window Mounted Air Conditioner. Please read this manual thoroughly before using the appliance and retain it for future reference.
The Keystone KSTAW08BE is designed to provide reliable cooling and dehumidification for small-sized rooms. It features electronic controls with an LED display, a remote control for convenience, and energy-saving modes such as "Energy Saver" and "Sleep" mode. The unit also includes a "Check Filter" alert to remind you when to clean the washable mesh filter.
Front view of the Keystone KSTAW08BE 8,000 BTU Window Mounted Air Conditioner, showcasing its compact design and control panel.
Safety Information
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, or injury to persons.
- Read all instructions before using this appliance.
- This appliance must be properly grounded.
- Do not operate the unit with a damaged cord or plug.
- Do not block air openings.
- Always disconnect power before cleaning or servicing.
- Keep packaging materials away from children.
- WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
Setup and Installation
The Keystone KSTAW08BE is designed for window installation and comes with a complete window installation kit. Ensure your window is compatible with the unit's dimensions before beginning installation.
Window Compatibility
- Compatible window width: 23 inches to 36 inches.
- Ensure the window opening is sufficient for the unit's dimensions: approximately 18.5 inches (width) x 13.4 inches (height) x 15.7 inches (depth).
The air conditioner unit installed in a window, highlighting the ease of installation with the included kit.
Installation Steps (Overview)
- Prepare the window opening by cleaning the area.
- Attach the top and bottom mounting rails to the unit.
- Install the accordion panels into the side channels of the unit.
- Place the unit into the window opening, ensuring it is securely seated.
- Extend the accordion panels to fill the window opening and secure them.
- Install the window sash seal and lock for added security and insulation.
- Plug the unit into a standard 115V electrical outlet. The unit features a NEMA 5-15P plug type and a 6.4 ft cable length.
Details of the power plug (NEMA 5-15P, 115V) and cable length (6.4 ft) for the air conditioner.
Physical dimensions (18.5in W, 13.4in H, 15.7in D) and weight (48.6 lb) of the Keystone KSTAW08BE unit.
Operating Instructions
Your Keystone KSTAW08BE air conditioner offers various modes and settings for optimal comfort and energy efficiency. Control the unit using the electronic control panel on the unit or the included remote control.
Control Panel and Remote Control
The intuitive control panel and remote allow you to adjust temperature, fan speed, and operating modes. The remote control features a built-in thermostat for precise temperature sensing from your location in the room.
A hand holding the remote control for the air conditioner, demonstrating its use for controlling the unit from anywhere in the room.
Operating Modes
- Cool Mode: Provides powerful cooling with 8,000 BTU capacity, suitable for rooms up to 350 sq. ft.
- Fan Mode: Circulates air without cooling. Features 3 fan speeds (Low, Medium, High).
- Dry Mode (Dehumidification): Removes up to 1.9 pints of moisture per hour from the air.
- Energy Saver Mode: The fan will turn off when the compressor cycles off and will cycle on periodically to sense the room temperature.
- Sleep Mode: Gradually increases the room temperature setting over time to save energy and provide comfortable sleep.
- 24-Hour Timer: Program the unit to turn on or off automatically within a 24-hour period.
Visual representation of the unit's 3-in-1 technology: Powerful Cooling (8,000 BTU - 350 Sq. Ft.), Air Flow (3 Fan Speeds), and Dehumidification (1.9 Pints per Hour).
Illustrates the energy-efficient Sleep mode, which gradually increases room temperature, and the quiet operation at 52 dBA on low setting.
Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your air conditioner. The unit features a "Check Filter" alert to remind you when the filter needs attention.
Cleaning the Air Filter
The air filter should be cleaned approximately every two weeks, or more frequently depending on usage and air quality. A dirty filter can reduce cooling efficiency and airflow.
- Turn off the air conditioner and unplug it from the power outlet.
- Open the front panel and carefully slide out the mesh air filter.
- Wash the filter with warm, soapy water. Rinse thoroughly.
- Allow the filter to air dry completely before reinserting it. Do not use hot water or harsh detergents.
- Once the filter is dry, slide it back into its position and close the front panel.
- Reset the "Check Filter" indicator if applicable (refer to the control panel instructions).
A close-up view of a hand easily removing the washable and removable air filter from the unit for cleaning.
General Cleaning
- Wipe the cabinet with a soft, damp cloth. Do not use harsh chemicals or abrasives.
- Ensure the drainage area is clear of debris.
Troubleshooting
If your air conditioner is not operating correctly, please check the following common issues before contacting customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not start | No power; circuit breaker tripped; power cord not fully plugged in. | Check power supply; reset circuit breaker; ensure plug is secure. |
| Unit not cooling effectively | Dirty air filter; blocked air intake/outlet; room too large; windows/doors open. | Clean filter; clear obstructions; ensure room size is within capacity; close windows/doors. |
| Water dripping inside | Unit not level; drain pan full or blocked. | Ensure unit is level; check and clear drain pan/hose. |
| Noisy operation | Loose parts; unit not securely installed; fan obstruction. | Check for loose parts; re-secure unit; remove any fan obstructions. |
For more detailed troubleshooting or issues not listed here, please refer to the comprehensive troubleshooting guide in the full product manual or contact Keystone customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | Keystone |
| Model Number | KSTAW08BE |
| Cooling Capacity | 8,000 BTU (British Thermal Units) |
| Dehumidification Capacity | 1.9 pints per hour |
| Recommended Room Size | Up to 350 sq. ft. |
| Voltage | 115 Volts |
| Noise Level | 52 dB (on low setting) |
| Refrigerant Type | R32 |
| Special Features | LED Display, Remote Control, Energy Saver Mode, Sleep Mode, 24H Timer, Check Filter Alert |
| Product Dimensions (L x W x H) | 39.88 x 46.99 x 34.04 cm (15.7 x 18.5 x 13.4 inches) |
| Item Weight | 22.04 kg (48.6 lbs) |
| Color | White |
Warranty and Support
Keystone provides a 1-year warranty for the KSTAW08BE Window Mounted Air Conditioner, covering defects in material and workmanship under normal use.
For warranty claims, technical support, or further assistance, please contact Keystone customer service. Keep your proof of purchase for warranty validation.
Manufacturer: Keystone
Place of Business: PHILADELPHIA, PA, 19154 US
