Arendo 2.5 Litre Humidifier Instruction Manual

1. Important Safety Instructions

Please read these instructions carefully before using the appliance and keep them for future reference. Failure to follow these instructions may result in electric shock, fire, or serious injury.

• Always place the humidifier on a firm, flat, and waterproof surface.
• Do not immerse the unit, power cord, or plug in water or other liquids.
• Ensure the voltage indicated on the appliance corresponds to your local mains voltage before connecting.
• Keep the appliance out of reach of children and pets.
• Do not block the mist outlet.
• Unplug the humidifier before filling, cleaning, or moving it.
• Only use clean, cool tap water. Distilled or demineralized water is recommended to prevent mineral buildup.
• Do not add essential oils directly into the water tank. Use the designated aroma oil bottle.
• Do not operate the humidifier if the cord or plug is damaged, or if the unit malfunctions or has been dropped.
• For indoor use only.

2. Product Overview

The Arendo 2.5 Litre Humidifier is designed to improve air quality and create a pleasant atmosphere in your home with its quiet operation, LED mood lighting, and aroma diffusion capabilities.

Figure 2.1: Arendo 2.5 Litre Humidifier (White)

This image displays the main unit of the Arendo humidifier in white, highlighting its modern and compact design suitable for various room settings.

Key Features:

• 2.5 Litre Water Tank: Provides extended operation time.
• Quiet Operation: Operates at less than 30 dB for undisturbed use.
• 7 LED Mood Lights: Offers individual colors and a gliding color change function.
• Dual Switchable Steam Outlets: Allows for single, dual, or alternating mist output.
• Integrated Aroma Oil Bottle: For use with essential oils (oils not included).
• Automatic Shut-off: Prevents dry running and conserves energy.
• Coverage: Suitable for rooms up to 20 m².

Figure 2.2: Humidifier Dimensions and Features

This image illustrates the physical dimensions of the humidifier (24 cm height, 14.5 cm diameter) and highlights its core features: two steam outlets, a 2500 ml tank, LED color ring, automatic shut-off, and quiet operation below 30 dB.

3. Setup

1. Unpack: Carefully remove all components from the packaging. Ensure all parts are present: humidifier unit, USB-A to USB-C power cable, and instruction manual.
2. Placement: Place the humidifier on a flat, stable, and waterproof surface, away from direct sunlight, heat sources, and electronic devices. Ensure there is at least 15 cm of space around the unit for proper mist dispersion.
3. Fill Water Tank:
   • Remove the top cover of the humidifier.
   • Fill the water tank with clean, cool tap water. Do not exceed the maximum fill line. Distilled or demineralized water is recommended to minimize mineral residue.
   • Replace the top cover securely.
4. Connect Power: Insert the USB-C end of the power cable into the port on the humidifier. Connect the USB-A end to a compatible 5V/1A USB power adapter (not included) or a USB port on a computer.

4. Operating Instructions

4.1 Power On/Off and Mist Modes

The humidifier features a single control button for power and mist mode selection.

1. Power On / Dual Mist Mode: Press the button once to turn on the humidifier. Both steam outlets will operate simultaneously (Dual Operation).
2. Single Mist Mode (Left): Press the button a second time. Only the left steam outlet will operate (Single Operation).
3. Single Mist Mode (Right): Press the button a third time. Only the right steam outlet will operate (Single Operation).
4. Alternating Mist Mode: Press the button a fourth time. The left and right steam outlets will operate alternately (Alternative Operation).
5. Power Off: Press the button a fifth time to turn off the humidifier.

The humidifier has an automatic shut-off feature: after 8 hours in Dual Operation, and after 16 hours in Single or Alternative Operation, or when the water tank is empty.

4.2 LED Mood Lighting

The humidifier includes a separate button for controlling the LED mood lighting.

1. Turn On / Gliding Color Change: Press the LED button once to activate the lighting. The colors will cycle through a gliding change.
2. Select Fixed Color: Press the LED button repeatedly to cycle through the 7 individual LED colors (e.g., red, green, blue, yellow, purple, cyan, white). Stop pressing when your desired color is displayed.
3. Turn Off LED: Press and hold the LED button for approximately 3 seconds to turn off the lighting.

Figure 4.1: Technical Details and LED Lighting

This image details the 2500 ml tank capacity, maximum run times (25 hours dual, 50 hours single), automatic shut-off, and the 7 individual LED colors with a gliding color change function for creating a soothing atmosphere.

4.3 Aroma Diffusion

The humidifier includes an integrated aroma oil bottle for essential oils.

1. Access Aroma Bottle: Gently press down on the top of the aroma compartment to release and remove the aroma oil bottle.
2. Add Essential Oil: Carefully add a few drops of your preferred essential oil into the aroma oil bottle. Do not overfill.
3. Reinsert Bottle: Place the aroma oil bottle back into its compartment until it clicks into place.
4. Activate: The aroma will diffuse automatically with the mist when the humidifier is operating.

Important: Do not add essential oils directly into the water tank, as this can damage the unit and void the warranty.

Figure 4.2: Integrated Aroma Depot

This image demonstrates the integrated aroma depot, where essential oils can be added. It also emphasizes the benefits of optimal indoor humidity (40-60%) for respiratory comfort and overall well-being.

5. Maintenance

Regular cleaning is essential to ensure optimal performance and hygiene of your humidifier.

5.1 Daily Maintenance

• Unplug the humidifier before any maintenance.
• Empty any remaining water from the tank and base.
• Rinse the water tank and base with fresh water.
• Wipe the exterior of the unit with a soft, damp cloth.
• Refill with fresh water before next use.

5.2 Weekly Maintenance (or every 3-5 days of use)

• Descaling:
  1. Unplug the unit and empty the water tank.
  2. Pour 2-3 tablespoons of white vinegar into the water tank and base.
  3. Let it sit for 20-30 minutes to loosen mineral buildup.
  4. Use a soft brush or cloth to clean the inside of the tank and the ultrasonic nebulizer disc.
  5. Rinse thoroughly with clean water until the smell of vinegar is gone.
• Cleaning the Aroma Bottle: If using essential oils regularly, clean the aroma oil bottle with a mild soap solution and rinse thoroughly.

5.3 Storage

When storing the humidifier for an extended period:

• Perform a thorough cleaning and descaling.
• Ensure all parts are completely dry before reassembling.
• Store the unit in a cool, dry place, preferably in its original packaging.

6. Troubleshooting

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

7. Specifications

Figure 7.1: Performance Overview

This image summarizes the humidifier's performance capabilities, including its suitability for rooms up to 20 m², maximum evaporation rate of 100 ml/h with two outlets, and extended run time of up to 50 hours in single mode, all while operating quietly below 30 dB.

8. Warranty and Support

This Arendo product is covered by a manufacturer's warranty. Please refer to the specific warranty terms provided at the time of purchase or contact your retailer for details.

For technical support, troubleshooting assistance, or to inquire about replacement parts, please visit the official Brandson Equipment website or contact their customer service department.

Official Website: www.brandson-equipment.com

Figure 8.1: Product Packaging and Contents

This image shows the product packaging, which includes the Brandson Equipment branding, and highlights the humidifier unit along with the USB-A to USB-C power cable, as part of the box contents.