Installation Guide
Tools Needed:
- Phillips screwdriver
- Level
- Tape measure
- Drill (if needed for mounting)
- Support bracket (for larger windows)
Step-by-Step Installation
- Choose Installation Location: Select a window that can support the unit's weight and has access to a dedicated 115V electrical outlet.
- Prepare the Window: Clean the window sill and ensure it's level. Remove any obstacles from the installation area.
- Install Mounting Brackets: Secure the side mounting brackets according to the window frame type (sash or casement).
- Place the Unit: Carefully lift the air conditioner into the window opening with help from another person.
- Secure the Unit: Extend the side panels to fill the window gap and secure them with the provided screws.
- Seal the Gaps: Install the foam seals on both sides and top to prevent air leaks and insect entry.
- Electrical Connection: Plug into a dedicated 115V, 15A grounded outlet. Do not use extension cords or power strips.
- Test Operation: Turn on the unit and test all functions including cooling, fan speeds, and thermostat control.
Specifications
| Model Series | MWC12CRN1 |
| Type | Window Air Conditioner |
| Color | White |
| Cooling Capacity | 12000 BTU |
| Room Coverage | 450-550 sq. ft. |
| Noise Level | 52 dB (Low) / 65 dB (High) |
| Control Type | Electronic Controls with Remote |
| Energy Rating | Energy Star Certified |
| Energy Efficiency Ratio (EER) | 12.0 |
| Power Requirements | 115V, 60Hz, 15A |
| Dimensions (HxWxD) | 16.5 x 25.6 x 21.2 inches |
| Weight | 78.5 lbs |
| Refrigerant | R-410A (Eco-Friendly) |
Warranty Information
- Full Warranty: 1 year parts and labor
- Sealed System Warranty: 5 years on compressor and cooling system
- Additional Coverage: Optional extended warranty available
For warranty service, contact Midea Customer Service at 1-888-926-6332 or visit Midea.com
Key Features
Energy Star Certified
Meets strict energy efficiency guidelines set by the EPA, saving you money on energy bills while reducing environmental impact.
Remote Control
Full-function remote allows you to control temperature, fan speed, mode, and timer from across the room for ultimate convenience.
Sleep Mode
Automatically adjusts temperature throughout the night for optimal comfort and energy savings while you sleep.
Auto Restart
In case of power interruption, the unit automatically resumes operation with previous settings once power is restored.
3 Fan Speeds
Choose from low, medium, or high fan speeds to customize your cooling experience and noise level preferences.
Washable Filter
Easy-to-clean mesh filter captures dust and particles, improving air quality and unit efficiency. Indicator light reminds you when to clean.
Operating Modes Explained
Cool Mode
Standard cooling operation with adjustable temperature settings from 62°F to 86°F
Fan Only Mode
Circulates air without cooling, perfect for mild days or air circulation
Dry Mode
Reduces humidity in the room while maintaining comfortable temperature
Energy Saver
Cycles compressor and fan to maintain temperature while saving energy
Auto Mode
Automatically selects cooling or fan-only based on room temperature
Sleep Mode
Gradually increases temperature overnight for comfortable sleeping and energy savings
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit won't turn on | Power issue, circuit breaker tripped, timer set | Check power cord connection, reset circuit breaker, check timer settings |
| Poor cooling performance | Dirty filter, thermostat set too high, room too large | Clean filter, lower temperature setting, ensure room size matches capacity |
| Water leaking inside room | Unit not tilted properly, drain holes blocked | Tilt unit slightly to outside (1/4" per foot), clear drain holes |
| Loud or unusual noises | Loose parts, debris in fan, unbalanced installation | Tighten all screws, clear debris from fan area, re-level installation |
| Remote not working | Dead batteries, signal blocked, too far away | Replace batteries, ensure clear line of sight, move closer to unit |
| Unit cycles on/off frequently | Dirty filter, thermostat location, extreme outdoor temps | Clean filter, avoid placing heat sources near thermostat, normal in extreme heat |
Indicator Lights & Error Codes
- Green Light Flashing: Normal operation - unit is cooling
- Yellow Light On: Filter cleaning reminder - clean the air filter
- Red Light Flashing: Error detected - unplug for 10 minutes then restart
- No Lights: Power issue - check electrical connection
- E1 Error: Room temperature sensor issue - contact service
- E2 Error: Evaporator temperature sensor issue - contact service
- E3 Error: Condenser temperature sensor issue - contact service
Manual Downloads
Current Model Manuals
MWC12CRN1
12000 BTU Window AC
MWC10CRN1
10000 BTU Window AC
MWC08CRN1
8000 BTU Window AC
MWC05CRN1
5000 BTU Window AC
Popular Previous Models
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MAW10R1BWT
10000 BTU Window AC
MAW08R1BWT
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MAW05R1BWT
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