Midea NT20-20AR
Midea 2000W PTC Ceramic Heater User Manual
Model: NT20-20AR
Brand: Midea
1. Introduction
Thank you for choosing the Midea 2000W PTC Ceramic Heater. This manual provides detailed instructions for the safe and efficient operation of your heater. Please read this manual thoroughly before use and keep it for future reference.

Figure 1: Midea 2000W PTC Ceramic Heater (Model NT20-20AR)
2. Important Safety Instructions
WARNING: To reduce the risk of fire, electric shock, or injury, observe the following:
- Always place the heater on a firm, level surface.
- Do not cover the heater or block air inlets/outlets.
- Keep flammable materials (furniture, curtains, paper, clothing) at least 1 meter (3 feet) from the front, sides, and rear of the heater.
- Do not use the heater in bathrooms, laundry areas, or similar damp indoor locations.
- Ensure the power cord is not damaged and is properly plugged into a suitable outlet.
- This heater is equipped with a 45° tip-over protection switch, V-0 flame-retardant materials, and overheat protection. If the heater tips over or overheats, it will automatically shut off.
- The heater features a 24-hour automatic shut-off for added safety.
- Do not insert any objects into the ventilation or exhaust openings.
- Unplug the heater when not in use.

Figure 2: Enhanced Safety Features
3. Product Overview
3.1 Key Features
- Efficient PTC Ceramic Heating: Provides rapid and effective warmth.
- Customizable Comfort: Temperature adjustable from 5°C to 35°C in 1°C increments.
- Quiet Operation: Operates at a low noise level of 42 dB.
- 24-Hour Timer: Allows scheduled heating.
- ECO Mode: Optimizes energy consumption.
- Advanced Safety: 45° tip-over protection, V-0 flame-retardant materials, overheat protection, and 24-hour automatic shut-off.
- Portable Design: Lightweight (1.46 kg) and compact for easy relocation.
3.2 Components
The Midea PTC Ceramic Heater consists of the following main components:
- Control Panel with LED Display
- Air Inlet Grille
- Air Outlet Grille
- Power Cord and Plug
- Tip-over Switch (located at the base)

Figure 3: Instant Heating Feature

Figure 4: PTC Ceramic Heating Technology
4. Setup
- Unpack: Carefully remove the heater from its packaging. Retain packaging for storage if needed.
- Placement: Place the heater on a stable, flat, and heat-resistant surface. Ensure there is at least 1 meter (3 feet) of clear space around the heater from any walls, furniture, or other objects.
- Power Connection: Plug the power cord into a standard 230V AC electrical outlet. Ensure the outlet is in good condition and not overloaded.
5. Operating Instructions
5.1 Control Panel
The heater features a touch-sensitive control panel with an LED display on the top. The display shows the current temperature and mode settings.

Figure 5: Control Panel and LED Display
5.2 Power On/Off
Press the Power button on the control panel to turn the heater on or off.
5.3 Mode Selection
The heater offers 4 operating modes:
- High Heat (HI): Provides maximum heating power.
- Low Heat (Lo): Provides reduced heating power.
- ECO Mode (Eco): Automatically adjusts heating power to maintain the set temperature while optimizing energy consumption.
- Fan Only (CL): Circulates air without heating.
Press the Mode button to cycle through the available modes.

Figure 6: ECO Mode Operation
5.4 Temperature Setting
In heating modes (HI, Lo, ECO), you can set the desired temperature between 5°C and 35°C. Use the Temperature Up (+) and Temperature Down (-) buttons to adjust the temperature in 1°C increments.
The heater will automatically turn on or off to maintain the set temperature.

Figure 7: Customizable Temperature Settings
5.5 Timer Function
The 24-hour timer allows you to set a specific duration for the heater to operate before automatically shutting off. Press the Timer button and use the Temperature Up (+) and Temperature Down (-) buttons to set the desired operating time in hours.

Figure 8: Quiet Operation and Timer
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your heater.
- Cleaning:
- Always unplug the heater and allow it to cool completely before cleaning.
- Wipe the exterior surfaces with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Use a vacuum cleaner with a brush attachment to remove dust from the air inlet and outlet grilles.
- Storage:
- If storing the heater for an extended period, clean it thoroughly.
- Store the heater in its original packaging in a cool, dry place.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on. | Not plugged in; power outlet malfunction; tip-over switch activated; overheat protection activated. | Ensure plug is secure. Test outlet with another device. Place heater on a flat surface. Allow heater to cool down for 30 minutes. |
| Heater produces no heat. | Fan Only (CL) mode selected; temperature setting too low. | Select a heating mode (HI, Lo, ECO). Increase the desired temperature setting. |
| Heater shuts off unexpectedly. | Overheat protection activated; tip-over switch activated; timer expired. | Ensure heater is not covered and has adequate ventilation. Place heater on a flat surface. Check timer settings. |
| Reduced airflow or heating efficiency. | Dust accumulation on grilles. | Clean air inlet and outlet grilles as described in the Maintenance section. |
If the problem persists after attempting these solutions, please contact Midea customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | NT20-20AR |
| Brand | Midea |
| Power Output | 2000 Watts |
| Voltage | 230 Volts |
| Temperature Range | 5°C - 35°C |
| Number of Modes | 4 (High, Low, ECO, Fan Only) |
| Special Features | Electronic Thermostat, Tip-over Protection, Overheat Protection, 24-Hour Timer |
| Dimensions (L x W x H) | 16.4 x 16.4 x 22 cm |
| Weight | 1.46 kg |
| Intended Use | Indoor, Multi-room |
| Power Source | Corded Electric |
9. Warranty and Support
Midea products are manufactured to the highest quality standards. For warranty information, please refer to the warranty card included with your product or visit the official Midea website.
For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact Midea customer service:
- Website: www.midea.com
- Customer Service: Refer to your regional Midea contact information.
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