Installation Guide
Tools Needed:
- Screwdrivers (flat and Phillips)
- Drill with appropriate bits
- Level
- Tape measure
- Sealant gun
- Support bracket
Step-by-Step Installation
- Choose Installation Location: Select a sturdy window with proper support, away from direct sunlight and heat sources.
- Prepare Window Area: Clean the window sill and surrounding area, ensuring it's level and free of debris.
- Install Support Bracket: Secure the metal support bracket to the window sill using provided screws.
- Position Air Conditioner: Carefully place the AC unit on the support bracket, ensuring it's centered and level.
- Extend Side Panels: Extend the accordion side panels to fill the window opening completely.
- Secure Unit: Use the provided screws to secure the unit to the window frame and support bracket.
- Seal Gaps: Apply weather stripping or foam sealant around all gaps to prevent air leaks.
- Electrical Connection: Plug into a dedicated 115V/230V grounded outlet. Do not use extension cords.
- Test Operation: Turn on the unit and test all functions including cooling, fan, and thermostat.
Specifications
| Model Series | MWC-12CRN1 |
| Type | Window Air Conditioner |
| Color | White |
| Cooling Capacity | 12,000 BTU |
| Room Coverage | 450-550 sq. ft. |
| Noise Level | 52-58 dB |
| Control Type | Electronic Controls with Remote |
| Energy Rating | Energy Star Certified |
| Power Requirements | 115V/60Hz/10A or 230V/50Hz/5A |
| Dimensions (HxWxD) | 16.5 x 25.5 x 21.5 inches |
| Weight | 68 lbs |
| Refrigerant | R32 Eco-Friendly |
Warranty Information
- Full Warranty: 1 year parts and labor
- Compressor Warranty: 5 years on sealed system
- Extended Coverage: Optional extended warranty available
For warranty service, contact Midea Customer Service at 1-888-888-8888 or visit Midea.com
Key Features
Energy Efficient
Energy Star certified with high EER rating, providing maximum cooling with minimal energy consumption for reduced electricity bills.
Quiet Operation
Advanced noise reduction technology ensures quiet performance, with sound levels as low as 52 dB for undisturbed comfort.
Multiple Fan Speeds
Three fan speeds (Low, Medium, High) plus Auto mode allow customized airflow for optimal comfort in any condition.
24-Hour Timer
Programmable timer lets you set the unit to turn on or off automatically, ensuring comfort when you need it and energy savings when you don't.
Sleep Mode
Gradually adjusts temperature throughout the night for optimal sleeping conditions while minimizing noise and energy use.
Easy Installation Kit
Includes all necessary hardware, side panels, and weather stripping for straightforward window installation.
Operating Modes
Cool Mode
Standard cooling operation with adjustable temperature settings from 64°F to 86°F
Fan Only ModeCirculates air without cooling, perfect for mild days or air circulation
Energy Saver
Automatically turns compressor off when desired temperature is reached
Auto Mode
Automatically selects cooling or fan operation based on room temperature
Dehumidify
Removes excess moisture from the air while providing mild cooling
Turbo Cool
Maximum cooling power for quick temperature reduction on hot days
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| AC won't turn on | Power issue, tripped circuit breaker, faulty outlet | Check power supply, reset circuit breaker, test outlet |
| Poor cooling performance | Dirty filters, blocked airflow, low refrigerant | Clean filters, clear obstructions, contact service |
| Water leaking inside | Improper installation, clogged drain, tilted unit | Check installation angle, clear drain holes |
| Unusual noises | Loose parts, debris in fan, worn components | Tighten screws, clean fan blades, contact service |
| Remote not working | Dead batteries, signal obstruction, remote damage | Replace batteries, clear line of sight, check remote |
| Unit vibrating excessively | Unlevel installation, loose mounting, worn parts | Level the unit, tighten mounting hardware |
Error Codes
- E1: Room temperature sensor error - Check sensor connection
- E2: Evaporator temperature sensor error - Contact service
- E3: Compressor overload - Wait 3 minutes and restart
- E4: System pressure issue - Contact service center
- E5: Fan motor error - Check for obstructions
- E6: Communication error - Power cycle unit
Manual Downloads
Current Model Manuals
MWC-12CRN1
12,000 BTU Window AC
MWC-10CRN1
10,000 BTU Window AC
MWC-08CRN1
8,000 BTU Window AC
MWC-18CRN1
18,000 BTU Window AC
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