Installation Guide
Tools Needed:
- Drill with hole saw attachment
- Screwdrivers (flat and Phillips)
- Level
- Tape measure
- Adjustable wrench
- Wall sleeve kit (included)
Step-by-Step Installation
- Choose Installation Location: Select a location near electrical outlet, away from direct sunlight and heat sources, with proper wall support.
- Prepare Wall Opening: Cut appropriate wall opening according to dimensions in manual. Ensure proper clearance around unit.
- Install Wall Sleeve: Secure wall sleeve in opening using provided screws. Ensure it is level and properly sealed.
- Mount Indoor Unit: Attach mounting bracket to wall, then hang indoor unit securely on bracket.
- Connect Outdoor Unit: Position outdoor unit on stable surface, connect refrigerant lines, and ensure proper drainage.
- Electrical Connection: Connect to dedicated 115V, 60Hz, 15A circuit. Follow local electrical codes.
- Vacuum and Test: Vacuum refrigerant lines, check for leaks, and perform test run to ensure proper operation.
Specifications
| Model Series | MAW12R1BWT |
| Type | Through-the-Wall Air Conditioner |
| Color | White |
| Cooling Capacity | 12000 BTU |
| Room Coverage | 450-550 sq. ft. |
| Noise Level (Indoor) | 52 dB |
| Control Type | Digital with Remote Control |
| Energy Rating | Energy Star Certified |
| EER Rating | 12.0 |
| Power Requirements | 115V, 60Hz, 15A |
| Dimensions (HxWxD) | 16.5 x 25 x 20.5 inches |
| Weight | 78 lbs |
| Refrigerant | R-410A |
Warranty Information
- Full Warranty: 1 year parts and labor
- Compressor Warranty: 5 years on sealed system
- Additional Coverage: Optional extended warranty available
For warranty service, contact Midea Customer Service at 1-888-866-6332 or visit Midea.com
Key Features
Energy Efficient Operation
Energy Star certified with high EER rating, providing powerful cooling while minimizing energy consumption and reducing electricity bills.
Quiet Performance
Advanced noise reduction technology ensures quiet operation at only 52 dB, allowing for comfortable use in bedrooms and living areas.
4-Way Air Direction
Adjustable louvers provide 4-way air deflection for optimal air circulation and even temperature distribution throughout the room.
24-Hour Timer
Programmable timer allows you to set the unit to turn on or off automatically, helping to save energy and ensure comfort when needed.
Auto Restart
Automatically resumes previous settings after power interruption, maintaining your preferred comfort level without manual resetting.
Sleep Mode
Gradually adjusts temperature throughout the night for optimal sleeping conditions while reducing energy consumption.
Operating Modes Explained
Cool Mode
Standard cooling operation with adjustable temperature settings from 64°F to 86°F
Fan Mode
Circulates air without cooling, with multiple fan speed options
Dry Mode
Reduces humidity in the room while maintaining comfortable temperature
Auto Mode
Automatically selects cooling or fan operation based on room temperature
Energy Saver
Optimizes compressor operation to reduce energy consumption
Turbo Cool
Maximum cooling power for quick temperature reduction
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit not turning on | Power issue, circuit breaker tripped, remote battery dead | Check power supply, reset circuit breaker, replace remote batteries |
| Poor cooling performance | Dirty filters, blocked airflow, room too large | Clean filters, ensure proper airflow, verify room size compatibility |
| Water leaking indoors | Drainage issue, improper installation angle | Check drain line, ensure unit is properly leveled |
| Unusual noises | Loose parts, debris in fan, vibration | Tighten all screws, clean fan area, check installation stability |
| Remote not working | Battery issue, signal obstruction, distance too far | Replace batteries, ensure line of sight, stay within 20 feet |
| Unit freezing up | Dirty filters, low temperature setting, airflow restriction | Clean filters, increase temperature setting, ensure proper airflow |
Error Codes
- E1: Room temperature sensor error - Check sensor connection
- E2: Evaporator temperature sensor error - Contact service
- E3: Condenser temperature sensor error - Contact service
- E4: Communication error - Check wiring connections
- E5: Overload protection - Allow unit to cool down
- E6: Compressor error - Contact service center
Manual Downloads
Current Model Manuals
MAW12R1BWT
12000 BTU Through-the-Wall AC
MAW10R1BWT
10000 BTU Wall AC
MAW08R1BWT
8000 BTU Energy Star AC
MAW14R1BWT
14000 BTU High Capacity AC
Popular Previous Models
MAW12CR1WT
12000 BTU Classic Series
MAW10ES1WT
10000 BTU Eco Series
MAW08HS1WT
8000 BTU Home Series
MAW14PS1WT
14000 BTU Pro Series