let'me Portable Evaporative Air Cooler CF-006 User Manual

1. Introduction

Thank you for purchasing the let'me Portable Evaporative Air Cooler, Model CF-006. This device is designed to provide personal cooling, humidification, and fan functions. Please read this manual thoroughly before use to ensure proper operation and maintenance.

2. Safety Instructions

• Do not immerse the unit in water or other liquids.
• Ensure the power supply voltage matches the unit's requirements (5V USB).
• Keep the unit away from children and pets.
• Do not block the air inlet or outlet during operation.
• Unplug the unit before cleaning or refilling the water tank.
• Use only clean tap water in the water tank.
• Avoid placing the unit on unstable surfaces.

3. Package Contents

Verify that all items are present in the package:

• 1x Portable Evaporative Air Cooler (Model CF-006)
• 1x USB Power Cable
• 1x User Manual

4. Product Overview

Familiarize yourself with the components of your air cooler.

Figure 4.1: Front view of the let'me Portable Evaporative Air Cooler, showing the control panel, air outlet, and included USB power cable.

Figure 4.2: Exploded view illustrating the internal components, including the fan, filter, and water tank.

Control Panel Functions:

• LIGHT Button: Controls the 7-color night light.
• MODE Button: Selects between fan and humidification modes.
• TIME Button: Sets the timer for 2, 4, 6, or 8 hours.
• ON/OFF & SPEED Button: Powers the unit on/off and adjusts fan speed.

5. Setup

5.1 Power Connection

1. Connect the provided USB power cable to the unit's USB port.
2. Plug the other end of the USB cable into a compatible 5V USB power source (e.g., power adapter, computer USB port, power bank, car charger).

5.2 Water Tank Filling

The unit features a 700ml top-fill water tank for convenience.

1. Ensure the unit is unplugged before filling.
2. Open the top cover of the water tank.
3. Carefully pour clean tap water into the tank, ensuring not to exceed the 'MAX' fill line. Adding ice cubes can enhance the cooling effect.
4. Close the top cover securely.

Figure 5.1: Illustration of filling the water tank from the top.

6. Operating Instructions

Figure 6.1: Overview of the unit's multi-functional capabilities.

6.1 Power On/Off and Fan Speed

1. Press the ON/OFF & SPEED button once to turn the unit on at the lowest fan speed.
2. Press the ON/OFF & SPEED button repeatedly to cycle through the 4 available fan speeds.
3. Press and hold the ON/OFF & SPEED button to turn the unit off.

6.2 Humidification Modes

Press the MODE button to activate or change humidification settings. The unit offers two mist modes: Low Cool Mist and Ultrasonic Cool Mist.

• Press MODE once for Low Cool Mist.
• Press MODE again for Ultrasonic Cool Mist.
• Press MODE a third time to turn off humidification.

6.3 Timer Function

Set the unit to automatically turn off after a specified period.

• Press the TIME button repeatedly to select a timer setting: 2 hours, 4 hours, 6 hours, or 8 hours.
• The corresponding indicator light will illuminate.
• To cancel the timer, cycle through the options until no timer indicator is lit.

6.4 LED Night Light

The unit features a built-in 7-color night light.

Figure 6.2: The unit displaying its 7-color night light feature and timer options.

• Press the LIGHT button once to turn on the night light.
• Press the LIGHT button repeatedly to cycle through the 7 colors or to set it to a color-changing mode.
• Press and hold the LIGHT button to turn off the night light.

6.5 Air Direction Adjustment

Manually adjust the air shutters on the front of the unit to direct the airflow up or down by up to 120 degrees.

7. Maintenance

7.1 Draining the Water Tank

To prevent stagnant water and maintain hygiene, regularly drain the water tank, especially when the unit will not be used for an extended period.

1. Unplug the unit from the power source.
2. Locate the soft stopper at the rear bottom of the unit.
3. Carefully remove the stopper to allow water to drain out.
4. Once drained, replace the stopper firmly.

7.2 Cleaning the Unit

• Wipe the exterior of the unit with a soft, damp cloth. Do not use abrasive cleaners or solvents.
• For internal cleaning, ensure the unit is unplugged and the water tank is empty.
• Periodically clean the water tank to prevent mineral buildup or mold. A mild detergent solution can be used, followed by thorough rinsing.
• Allow all parts to dry completely before reassembling and using the unit.

8. Troubleshooting

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

• Unit does not power on:
  • Ensure the USB cable is securely connected to both the unit and the power source.
  • Verify the power source is functional (e.g., try a different USB port or adapter).
  • Press and hold the ON/OFF & SPEED button for a few seconds to ensure it registers.
• No cool air or weak cooling:
  • Check if the water tank is filled with water.
  • Ensure humidification mode is active if desired.
  • Add ice cubes to the water tank for enhanced cooling.
  • The unit is designed for personal cooling in small areas; it will not cool an entire room like a traditional air conditioner.
• No mist or weak mist:
  • Ensure the water tank has sufficient water.
  • Verify that a humidification mode is selected (Low Cool Mist or Ultrasonic Cool Mist).
  • Clean the water tank and mist outlet to remove any blockages or mineral buildup.
• Unusual noise:
  • Ensure the unit is placed on a flat, stable surface.
  • Check for any foreign objects obstructing the fan blades.
  • If the noise persists, contact customer support.

9. Specifications

10. Warranty Information

This let'me Portable Evaporative Air Cooler (Model CF-006) comes with a 1-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accident, unauthorized modification, or neglect. Please retain your proof of purchase for warranty claims.

11. Customer Support

If you have any questions, concerns, or require assistance with your let'me Portable Evaporative Air Cooler, please contact our customer support team. Refer to the contact information provided with your purchase or visit the official let'me website for support options.