1. Product Overview
The Lifelong LLEDH09 Dehumidifier is designed to efficiently remove excess moisture from indoor environments, covering areas up to 300 sq. ft. It features a 12 L/day dehumidification capacity, an intuitive digital display, and multiple operating modes. Additionally, it incorporates a carbon filter and anion generator for air purification and odor reduction, contributing to a healthier living space.
Key features include automatic shut-off when the water tank is full, a programmable timer, and safety functions like child lock and a quiet sleep mode.
2. Important Safety Instructions
- Read all instructions before using the appliance.
- Ensure the power supply matches the voltage specified on the rating label.
- Do not operate the dehumidifier with a damaged cord or plug.
- Keep the appliance away from water and other liquids.
- Do not block air inlets or outlets. Maintain at least 20 cm clearance around the unit.
- Always unplug the unit before cleaning or performing any maintenance.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Children should be supervised to ensure that they do not play with the appliance.
3. Product Components
The Lifelong LLEDH09 Dehumidifier comes with the following components:
- 1 x Lifelong LLEDH09 Dehumidifier Unit
- 1 x User Manual (this document)
- 1 x Drain Pipe for Continuous Drainage
The main unit features a control panel on the top, air inlets on the sides, an air outlet at the top, a removable water tank at the back, and hidden wheels for portability.

Figure 3.1: The dehumidifier is designed with hidden wheels and a handle for easy portability, allowing it to be moved effortlessly between rooms.
4. Setup Instructions
4.1 Unpacking
- Carefully remove the dehumidifier from its packaging.
- Remove all packing materials, tapes, and protective films.
- Inspect the unit for any damage during transit. If damaged, do not operate and contact customer support.
4.2 Placement
- Place the dehumidifier on a firm, level surface to prevent vibration and noise.
- Ensure there is at least 20 cm (8 inches) of space around the air inlets and outlets for proper airflow.
- Do not place the unit near heat sources or in direct sunlight.
- The unit is suitable for rooms up to 300 sq. ft.
4.3 Power Connection
- Plug the power cord into a grounded electrical outlet.
- Ensure the outlet meets the power requirements of the unit.
4.4 Drainage Options
The dehumidifier offers two drainage methods: manual emptying of the water tank or continuous drainage.
- Manual Drainage: The unit will collect water in its internal tank. When the tank is full, the unit will automatically shut off and indicate a 'Tank Full' alert. Empty the tank and reinsert it to resume operation.
- Continuous Drainage: For continuous operation without emptying the tank, attach the provided drain pipe to the continuous drainage outlet on the back of the unit. Ensure the pipe is routed downwards to a suitable drain (e.g., floor drain, large container) and is free from kinks or blockages.

Figure 4.1: Product dimensions of the Lifelong LLEDH09 Dehumidifier, measuring 28 cm (D) x 20 cm (W) x 49 cm (H).
5. Operating Instructions
5.1 Control Panel Overview
The dehumidifier features a user-friendly touch panel with a digital LED display. The display shows the current humidity level or timer settings.

Figure 5.1: The digital control panel of the Lifelong LLEDH09 Dehumidifier, highlighting the auto shut-off and 24-hour timer functions.
- Power Button: Turns the unit ON/OFF.
- Mode Button: Cycles through different dehumidification modes (Normal, Continuous, Strong, Fast Drying).
- Fan Speed Button: Adjusts the fan speed.
- Timer Button: Sets the auto ON/OFF timer (0-24 hours).
- Humidity Adjustment Buttons (+/-): Sets the desired humidity level (30-80%).
- Sleep/Child Lock Button: Short press for Sleep Mode, long press for Child Lock.
5.2 Operating Modes
- Normal Mode: Operates based on the set humidity level.
- Continuous Mode: Runs continuously regardless of humidity level, ideal for very damp conditions.
- Strong Mode: Provides maximum dehumidification power.
- Fast Drying Mode: Optimized for quickly drying clothes indoors.

Figure 5.2: The dehumidifier operating in a room, effectively drying clothes and improving indoor air quality.
5.3 Setting Humidity Level
Press the '+' or '-' buttons to adjust the desired humidity level between 30% and 80% relative humidity. The unit will operate until the set humidity is reached, then cycle on and off to maintain it.
5.4 Timer Function
Press the Timer button to set the desired operating duration from 0 to 24 hours. The unit will automatically turn ON or OFF after the set time has elapsed.
5.5 Sleep Mode
Short press the Sleep/Child Lock button to activate Sleep Mode. In this mode, the display lights dim, and the fan operates at a lower speed for quieter operation, ideal for nighttime use.

Figure 5.3: The dehumidifier operating in whisper-quiet sleep mode in a bedroom, ensuring peaceful rest.
5.6 Child Lock
Long press the Sleep/Child Lock button for 3 seconds to activate the Child Lock. This prevents accidental changes to settings. To unlock, long press the button again for 3 seconds.
5.7 Air Purification (Carbon Filter & Anion)
The dehumidifier includes a carbon filter and an anion generator to help purify the air by reducing odors, dust, and light allergens, enhancing overall air quality.

Figure 5.4: The dehumidifier's 2-stage purification system, featuring a carbon filter and anion technology to reduce odors, dust, and allergens.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your dehumidifier.
6.1 Emptying the Water Tank
- When the water tank is full, the unit will automatically stop operating and an indicator will light up.
- Carefully pull out the water tank from the back of the unit.
- Empty the collected water.
- Slide the empty tank back into its position until it clicks securely. The unit will then resume operation.
6.2 Continuous Drainage Setup
If using continuous drainage, periodically check the drain pipe for any blockages or kinks to ensure uninterrupted water flow.
6.3 Cleaning the Air Filter
The carbon filter should be cleaned regularly (e.g., every two weeks or as needed) to maintain air purification efficiency.
- Unplug the dehumidifier from the power outlet.
- Locate and remove the air filter (refer to the diagram in the full manual if needed).
- Gently vacuum the filter to remove dust and debris. For stubborn dirt, rinse with lukewarm water (do not use hot water or harsh detergents).
- Allow the filter to air dry completely before reinserting it into the unit.
6.4 General Cleaning
- Wipe the exterior of the unit with a soft, damp cloth.
- Do not use abrasive cleaners or solvents.
- Ensure the unit is completely dry before plugging it back in.
7. Troubleshooting
Before contacting customer support, please refer to the following troubleshooting guide for common issues:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power supply Power cord not properly plugged in Water tank full or not correctly inserted | Check power outlet Ensure cord is securely plugged in Empty and reinsert water tank correctly |
| No dehumidification | Room temperature too low Air filter clogged Air inlets/outlets blocked Humidity setting too high | Dehumidifiers operate best above 5°C (41°F) Clean the air filter Ensure proper clearance around the unit Lower the desired humidity setting |
| Unit is noisy | Unit not on a level surface Air filter clogged | Place on a flat, stable surface Clean the air filter |
| Water leaks from unit | Water tank not properly inserted Continuous drain pipe blocked or loose | Reinsert water tank securely Check drain pipe for blockages and ensure it's tightly connected |
8. Product Specifications
| Feature | Detail |
|---|---|
| Brand | Lifelong |
| Model Name | LLEDH09 |
| Dehumidification Capacity | 12 Liters per Day |
| Coverage Area | Up to 300 Square Feet |
| Tank Volume | 12 Litres (Note: This refers to the daily extraction capacity, not the tank size. The actual tank size is typically smaller for frequent emptying.) |
| Product Dimensions (D x W x H) | 28D x 20W x 49H Centimeters |
| Item Weight | 9500 Grams |
| Special Features | Automatic Shutoff, Child Lock, Digital Display, Carbon Filter, Anion for Air Purification |
| Operation Mode | Intermittent (with various modes) |
| Included Components | 1 Dehumidifier, 1 User Manual, 1 Drain Pipe |
9. Warranty & Customer Support
9.1 Warranty Information
This Lifelong LLEDH09 Dehumidifier comes with a manufacturer's warranty. Please refer to the warranty card included in your product packaging for specific terms, conditions, and duration of the warranty. Keep your purchase receipt as proof of purchase for warranty claims.
9.2 Customer Support
For any product-related queries, technical assistance, or warranty claims, please contact Lifelong customer support:
- Telephone: +91 9711558877
- Email: customercare@lifelongonline.com
- Address: Lifelong Online Retail Private Limited, 5th Floor, Unit No. 508, DLF South Court, Saket District Center, Saket New Delhi, India - 110017