Introduction
Thank you for choosing the Danby DAC120BEUWDB 12,000 BTU Window Air Conditioner. This manual provides essential information for the safe and efficient installation, operation, and maintenance of your new appliance. Please read these instructions thoroughly before use and retain them for future reference.
Safety Information
To reduce the risk of fire, electric shock, or injury, observe the following safety precautions:
- Always plug the unit into a grounded 3-prong outlet. Do not remove the grounding prong.
- Do not use an adapter or extension cord.
- Ensure the power cord is not pinched or damaged.
- Do not operate the unit with wet hands.
- Unplug the air conditioner before cleaning or servicing.
- Keep flammable materials away from the unit.
- Do not block the air intake or exhaust vents.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
Product Overview
Parts Identification
The Danby DAC120BEUWDB window air conditioner features a front panel with an air outlet grille, a control panel, and a remote control for convenient operation. The unit is designed for window installation and includes an expandable kit.

Image: Front view of the Danby DAC120BEUWDB 12,000 BTU Window Air Conditioner, showing the control panel and air vents.
Installation
Window Installation Guide
This air conditioner is designed for installation in standard double-hung windows with widths ranging from 23 inches to 36 inches. The expandable window installation kit is included to secure the unit.
- Prepare the window: Ensure the window frame is sturdy and can support the weight of the air conditioner.
- Attach the top mounting rail to the unit.
- Install the accordion panels: Slide the left and right accordion panels into the side channels of the unit.
- Place the unit in the window opening: Carefully lift the air conditioner and center it in the window opening.
- Extend the accordion panels to fill the window opening and secure them with screws.
- Lower the window sash firmly against the top mounting rail of the unit.
- Install the sash lock bracket and foam seal for added security and insulation.

Image: Angled view of the Danby DAC120BEUWDB 12,000 BTU Window Air Conditioner, illustrating the side panels that extend for window installation.
Operating Instructions
Control Panel and Remote Control
The unit can be operated using the electronic controls on the front panel or the included remote control. The LED display shows current settings.
Basic Operation
- Power On/Off: Press the Power button to turn the unit on or off.
- Mode Selection: Cycle through available modes (Cool, Fan, Dry) using the Mode button.
- Temperature Control: Use the Up/Down arrows to set the desired temperature between 17°C - 30°C (62°F - 86°F).
- Fan Speed: Select from 3 fan speeds (Low, Medium, High) using the Fan Speed button.
- Air Direction: Adjust the 4-way air direction louvers manually to direct airflow.
Special Features
- Sleep Mode: Activates a quiet operation mode that gradually increases the temperature to prevent the room from getting too cold during sleep.
- Energy Saver Switch: Cycles the fan on and off with the compressor to reduce energy consumption.
- Ionizer: Removes bacteria and unwanted odors from the room, improving air quality.
- Follow Me: The remote control acts as a thermostat, sensing the temperature at its location for more precise cooling.
Maintenance
Air Filter Cleaning
The air conditioner is equipped with a reusable, washable air filter. Regular cleaning is essential for optimal performance and air quality.
- Turn off and unplug the unit.
- Open the front panel and carefully remove the air filter.
- Wash the filter with warm, soapy water. Rinse thoroughly.
- Allow the filter to air dry completely before reinstalling.
- Reinsert the dry filter and close the front panel.
General Cleaning
Wipe the exterior of the unit with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the unit is unplugged before cleaning.
Troubleshooting
Before contacting service, review the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power; circuit breaker tripped; power cord damaged | Check power connection; reset circuit breaker; inspect power cord |
| Insufficient cooling | Dirty air filter; blocked air vents; room too large; doors/windows open | Clean air filter; clear obstructions; ensure proper room size; close doors/windows |
| Noisy operation | Loose installation; foreign object in fan; unit not level | Re-secure unit; check for obstructions; ensure unit is level |
| Water dripping inside | Unit not tilted slightly outwards; drain blocked | Adjust tilt of unit; clear drain hole |
Specifications
- Model: DAC120BEUWDB
- Cooling Capacity: 12,000 BTU
- Coverage Area: Up to 550 sq. ft.
- Refrigerant: R410A (Environmentally friendly)
- Temperature Range: 17°C - 30°C (62°F - 86°F)
- Fan Speeds: 3 (Low, Medium, High)
- Air Direction: 4-way adjustable
- Filter: Reusable, washable air filter
- Special Features: Ionizer, Sleep Mode, Energy Saver Switch, Follow Me remote control
- Window Width Accommodation: 23" - 36"
- Product Dimensions: 58.42 x 55.88 x 43.18 cm (23 x 22 x 17 inches)
- Item Weight: 36.7 kg (80.91 lbs)
- Power Source: Corded Electric
- Energy Rating: Energy Star compliant
Warranty and Support
This Danby product comes with a limited warranty. Please refer to the warranty card included with your purchase for specific terms and conditions, including the duration and coverage details.
For technical assistance, troubleshooting beyond this manual, or to inquire about warranty service, please contact Danby customer support. Contact information can typically be found on the manufacturer's website or on the product packaging.





