1. Product Overview
The Everwell MGTC1223X-20 Inverter Mini-Split Air Conditioner is a high-efficiency cooling-only system designed for optimal comfort and energy savings. Featuring Full Inverter technology, it provides 12,000 BTU cooling capacity with a 20 SEER efficiency rating. This unit operates on 220V/1Ph/60Hz and uses R410A refrigerant. It is Wi-Fi Ready, allowing for convenient remote control via a smartphone or tablet application.
Key Features:
- High Energy Efficiency (20 SEER)
- 12,000 BTU Cooling Capacity
- 220V/1Ph/60Hz Power Supply
- R410A Refrigerant
- Full DC Inverter - Cooling Only
- Wi-Fi Ready for App Control
- Noiseless Technology for Quiet Operation
- GoldFin Technology for Enhanced Durability in harsh environments
- AHRI and ETL Certified for Quality Assurance
- Featured Operations: Self Cleaning, ECO Operation, SUPER Operation, Variable Speed, SLEEP and TIMER Operation

2. Safety Information
Please read all safety warnings and instructions carefully before installing, operating, or performing maintenance on this appliance. Failure to follow these instructions may result in electric shock, fire, property damage, or personal injury.
General Safety Precautions:
- Installation must be performed by a qualified and licensed HVAC technician in accordance with all local and national electrical and building codes.
- Ensure the power supply matches the unit's specifications (220V/1Ph/60Hz).
- Do not attempt to repair or service the unit yourself. Refer all servicing to qualified personnel.
- Ensure proper grounding to prevent electric shock.
- Keep the area around the outdoor unit clear of obstructions to ensure proper airflow.
- Do not insert fingers or objects into the air inlet/outlet.
- If the unit emits smoke, unusual odors, or strange noises, immediately turn off the power and contact a service technician.
3. Package Contents
Verify that all components are present and undamaged upon unpacking:
- Evaporating Unit (Indoor Unit)
- Condensing Unit (Outdoor Unit)
- Control Remote
- Communication Cable
- Copper Tubing (3m / 9.8 ft)

4. Setup and Installation
This Everwell Mini-Split system requires professional installation. It is crucial to have a certified HVAC technician handle the setup to ensure proper operation, safety, and warranty validity.
Key Installation Considerations:
- Location: Choose a location for both indoor and outdoor units that allows for optimal airflow and minimal noise disturbance.
- Electrical Connection: Ensure the electrical wiring is correctly connected to a 220V/1Ph/60Hz power source by a qualified electrician.
- Refrigerant Lines: The pre-flared copper tubing simplifies connection, but proper vacuuming and charging of the R410A refrigerant system are critical and must be done by a professional.
- Drainage: Ensure proper condensate drainage from the indoor unit to prevent water damage.
- Wi-Fi Setup: After physical installation, connect the unit to your home Wi-Fi network using the Everwell smartphone application for remote control capabilities.

5. Operating Instructions
The Everwell Mini-Split can be operated using the included remote control or via the dedicated smartphone application (Wi-Fi Ready models).
Remote Control Functions:
- ON/OFF: Powers the unit on or off.
- MODE: Cycle through operating modes (Cooling, Fan, ECO, SUPER).
- FAN: Adjust fan speed.
- SWING: Activates the automatic louver swing for even air distribution.
- TIMER: Set a timer for automatic power on/off.
- SLEEP: Optimizes temperature and fan speed for comfortable sleep and energy saving.
- ECO: Engages energy-saving mode for reduced power consumption.
- SUPER: Provides rapid cooling to quickly reach the desired temperature.
- Temperature Adjustment: Use the up/down arrows to set the desired temperature.


6. Maintenance
Regular maintenance ensures optimal performance and longevity of your Everwell Mini-Split system.
Recommended Maintenance:
- Filter Cleaning: Clean the air filters every 2-4 weeks, or more frequently depending on usage and air quality. Dirty filters reduce efficiency and airflow.
- Coil Cleaning: Periodically inspect and clean the indoor and outdoor coils. The GoldFin technology helps resist corrosion, but dust and debris can still accumulate. Professional coil cleaning is recommended annually.
- Drainage Check: Ensure the condensate drain line is clear and free of blockages to prevent water leaks.
- Professional Inspection: Schedule annual professional maintenance to check refrigerant levels, electrical connections, and overall system health.
7. Troubleshooting
Before contacting customer support, refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power, remote batteries low, unit in standby. | Check power supply, replace remote batteries, press ON/OFF button. |
| Insufficient cooling | Dirty air filter, blocked outdoor unit, low refrigerant. | Clean air filter, clear obstructions from outdoor unit, contact technician for refrigerant check. |
| Unusual noise | Loose parts, fan obstruction, compressor issue. | Check for loose parts, clear fan, contact technician. |
| Water leakage from indoor unit | Blocked drain pipe, improper installation. | Clear drain pipe, contact technician for installation check. |
If the problem persists after attempting these solutions, please contact Everwell Customer Support.
8. Specifications
| Feature | Detail |
|---|---|
| Brand Name | Everwell |
| Model Info | MGTC1223X-20 |
| Cooling Capacity | 12,000 BTU |
| Efficiency (SEER) | 20 SEER |
| Voltage | 220 Volts |
| Refrigerant | R410A |
| Noise Level | 54 dB |
| Indoor Unit Dimensions (W*H*D) | 31.9 × 11.5 × 8 in |
| Outdoor Unit Dimensions (W*H*D) | 30.6 × 11.4 × 19.6 in |
| Certifications | AHRI, ETL Certified |

9. Warranty and Support
Everwell stands behind the quality of its products. This unit comes with a limited warranty, valid only with registered equipment.
- Compressor Warranty: 5 Years
- Parts Warranty: 2 Years
For customer support, technical assistance, or warranty claims, please refer to the contact information provided with your purchase or visit the official Everwell website.
