Deerma CJ-2020-2, CJ-2020-3

1.2L Dehumidifier and Air Purifier 2 in 1 User Manual

Models: CJ-2020-2 (Mechanical Button Type), CJ-2020-3 (Flagship Remote Control Type)

1. Introduction

Thank you for choosing our 1.2L Dehumidifier and Air Purifier 2 in 1. This innovative appliance is designed to improve your indoor air quality by effectively removing excess moisture and purifying the air. Featuring advanced semiconductor refrigeration technology, it offers efficient dehumidification and quiet operation, making it ideal for various spaces in your home such as living rooms, bedrooms, kitchens, offices, bathrooms, and dormitories.

This manual provides essential information for the safe and efficient use of your new dehumidifier. Please read it thoroughly before operation and keep it for future reference.

2. Important Safety Instructions

  • Always place the unit on a stable, level surface to prevent tipping.
  • Ensure the power cord is not damaged and is connected to a suitable 220V power outlet.
  • Do not block the air inlet or outlet vents, as this can impair performance and lead to overheating.
  • Unplug the unit from the power outlet before cleaning, maintenance, or when not in use for extended periods.
  • Keep the appliance out of reach of children and pets.
  • Do not operate the unit in extremely wet environments or near water sources to avoid electric shock.
  • Avoid disassembling or attempting to repair the unit yourself. Contact qualified personnel for service.

3. Product Overview

Your dehumidifier combines dehumidification and air purification functions in a compact and stylish design. It utilizes semiconductor refrigeration technology for efficient moisture removal and includes an anion purification feature for fresher air.

Key Features:

  • 2-in-1 Functionality: Dehumidifier and Air Purifier.
  • Semiconductor Refrigeration: Enhanced condensation effect for better dehumidification.
  • Anion Purification: Releases negative ions to purify the air.
  • Large Capacity Water Tank: 1200ml capacity with automatic stop when full.
  • External Drain Pipe: Allows for continuous operation without manual emptying.
  • Quiet Operation: Low noise level, suitable for bedrooms and quiet spaces.
  • Energy Efficient: Low power consumption (42W).
  • User-Friendly Controls: Available in Mechanical Button Type (CJ-2020-2) and Flagship Remote Control Type (CJ-2020-3).

Package Contents:

  • Dehumidifier Unit (1)
  • External Water Pipe (1)
  • User Manual (1)
  • Remote Control (1, included with CJ-2020-3 model only)

Product Views:

Front view of the dehumidifier with digital display showing humidity and temperature.
Front view of the dehumidifier with digital display showing current humidity and temperature.
Dehumidifier with remote control, showing functions like ON/OFF, speed, sleep, timer, purification, humidity.
The remote control for the CJ-2020-3 model, allowing convenient operation of various functions.
Side view showing the 1200ml water tank and external water pipe connection.
Side view illustrating the 1200ml water tank and the port for external water pipe connection.
Internal view illustrating semiconductor refrigeration technology.
Diagram showing the internal semiconductor refrigeration technology for efficient dehumidification.

4. Setup

4.1 Placement

  • Place the dehumidifier on a firm, level surface.
  • Ensure there is at least 20cm (8 inches) of space around the unit for proper airflow.
  • Avoid placing the unit near heat sources, in direct sunlight, or in areas with excessive dust.

4.2 Power Connection

  • Connect the detachable power cord to the unit and then plug it into a standard 220V electrical outlet.
  • Ensure the power cord is securely connected.

4.3 Water Drainage Options

Your dehumidifier offers two drainage methods:

4.3.1 Manual Drainage (Water Tank)

  • The unit will collect water in its internal 1200ml water tank.
  • When the tank is full, the unit will automatically stop operation and an indicator light may illuminate.
  • Carefully remove the water tank, empty it, and reinsert it until it clicks into place.

4.3.2 Continuous Drainage (External Water Pipe)

  • For continuous operation without needing to empty the tank, connect the provided external water pipe to the drainage port on the back of the unit.
  • Ensure the other end of the pipe is directed to a suitable drain or container, positioned lower than the unit for gravity drainage.
Detailed view of sensitive button, external water pipe connection, and detachable power cord.
Detailed view of the control panel, external water pipe connection, and detachable power cord.
Dehumidifier with water tank removed, showing 1200ml capacity and external water pipe.
Image showing the removable 1200ml water tank and the external water pipe for continuous drainage.

5. Operation

5.1 Control Panel (Both Models)

The control panel features intuitive buttons and a digital display for easy operation.

Mechanical button style model (CJ-2020-2) with specifications.
The mechanical button control panel of model CJ-2020-2.

5.2 Power On/Off

  • Press the Power button (Power button icon) to turn the unit ON or OFF.

5.3 Humidity Setting (CJ-2020-3 only)

  • Short press the Humidity Setting button on the control panel or remote control to adjust the desired humidity level. The device will stop operating automatically when the set humidity is reached.

5.4 Anion Purification

  • Short press the Anion button (Anion button icon) to activate the negative ion purification function. This helps to freshen the air.

5.5 Wind Speed Adjustment (CJ-2020-3 only)

  • The wind speed is adjustable in two gears (high and low). Use the corresponding button on the remote control to switch between speeds.

5.6 Timer Function (CJ-2020-3 only)

  • The CJ-2020-3 model supports a 24-hour timing function. Use the Timer button on the remote control to set the desired operating duration.

5.7 Sleep Mode (CJ-2020-3 only)

  • Long press the Sleep button for 3 seconds to activate sleep mode. In this mode, the display screen will turn off, and the fan speed will decrease for silent care during the night.
Dehumidifier in a bedroom, illustrating sleep mode with screen off and 24-hour timing.
Sleep mode provides quiet operation with the display screen off for undisturbed rest.

5.8 Automatic Stop

  • The unit will automatically stop operation when the water tank is full or when the set humidity level is reached.

5.9 Remote Control (CJ-2020-3 only)

  • The CJ-2020-3 model comes with a remote control for convenient adjustment of power, wind speed, sleep mode, timing, purification, and humidity settings from a distance.
Dehumidifier with remote control, emphasizing remote operation.
Remote control functionality allows for easy adjustments without needing to approach the unit.

5.10 Clothes Drying Function

  • The dehumidifier can also assist in drying clothes by removing moisture from the air, preventing dampness and making clothes more pliable.
Dehumidifier used for drying clothes.
The dehumidifier can be used to help dry clothes, preventing mildew and keeping them fresh.
Product demonstration video showing features like dehumidification, clothes drying, anion purification, remote control, and sleep mode.

6. Maintenance

Regular maintenance ensures optimal performance and longevity of your dehumidifier.

6.1 Cleaning the Water Tank

  • When the water tank is full, remove it from the unit.
  • Empty the collected water.
  • Rinse the tank with clean water. For stubborn residue, use a mild detergent and soft cloth, then rinse thoroughly.
  • Ensure the tank is completely dry before reinserting it into the unit.

6.2 Cleaning the Air Inlet and Outlet

  • Periodically wipe the air inlet and outlet grilles with a soft, damp cloth to remove dust and debris.
  • Do not use abrasive cleaners or solvents.

6.3 Storage

  • If storing the unit for an extended period, ensure the water tank is empty and clean.
  • Clean the exterior of the unit.
  • Store the unit in a cool, dry place, away from direct sunlight and extreme temperatures.

7. Troubleshooting

If you encounter issues with your dehumidifier, please refer to the following common problems and solutions:

ProblemPossible CauseSolution
Unit does not turn onNo power supply; Power cord not connected; Power button not pressed.Check power outlet; Ensure power cord is securely plugged in; Press the Power button.
Dehumidification is weakAir inlet/outlet blocked; Room temperature too low; Humidity setting too high (CJ-2020-3).Clear obstructions; Ensure room temperature is above 5°C; Adjust humidity setting lower.
Water tank full indicator is on, but tank is not fullWater tank not properly inserted.Remove and reinsert the water tank firmly until it clicks into place.
Unit is noisyUnit not on a level surface; Obstruction in fan.Place on a flat surface; Check for and remove any obstructions.
Remote control not working (CJ-2020-3)Batteries dead; Obstruction between remote and unit.Replace remote control batteries; Ensure clear line of sight to the unit.

If the problem persists after trying these solutions, please contact customer support for assistance.

8. Specifications

FeatureSpecificationCJ-2020-3 (Upgrade Remote Control)
Product MaterialABS + Electronic ComponentsABS + Electronic Components
Rated Voltage220V~50Hz220V~50Hz
Rated Power42W42W
Dehumidification Capacity500-600ml/day500-600ml/day
Water Tank Capacity1200ml1200ml
Automatic Stop (Water Full)YesYes
External Water Pipe (Continuous Operation)YesYes
Remote ControlNoYes
Humidity SettingNoYes
Anion PurificationNoYes
Nocturnal Sleep PatternNoYes
High/Low Wind Speed SwitchingNoYes
Noise Level<36dB<36dB
Application Area21-30㎡21-30㎡
Dimensions (approx.)200mm (W) x 110mm (D) x 255mm (H)200mm (W) x 110mm (D) x 255mm (H)
Product parameters table for both models, showing differences in features.
Detailed product parameters comparing the mechanical and remote control models.
Comparison table of features between mechanical and remote control models, and dimensions.
Feature comparison and approximate dimensions of the dehumidifier units.

9. User Tips

  • Optimal Humidity: Aim for a humidity level between 40-60% for maximum comfort and to prevent mold growth. The CJ-2020-3 model allows you to set your desired humidity.
  • Air Quality Improvement: Utilize the anion purification function regularly to enhance air freshness, especially in enclosed spaces.
  • Continuous Operation: For areas with persistent high humidity, consider using the external drain pipe for continuous operation without needing to empty the water tank.
  • Quiet Environment: The low noise level makes this dehumidifier suitable for bedrooms. Use the sleep mode on the CJ-2020-3 for an even quieter experience at night.
  • Protecting Valuables: Place the dehumidifier in areas where books, electronics, or other moisture-sensitive items are stored to prolong their service life.

10. Warranty & Support

For any questions, technical support, or warranty claims, please contact the seller or retailer from whom you purchased this product. Please have your purchase details and product model number ready when contacting support.


Deerma CJ-2020-2/CJ-2020-3 Household Dehumidifier & Air Purifier with Remote Control and Sleep Mode

Deerma CJ-2020-2/CJ-2020-3 Household Dehumidifier & Air Purifier with Remote Control and Sleep Mode

0:59 • 720×720 • feature_demo

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