1. Introduction
This manual provides important information regarding the safe operation, installation, maintenance, and troubleshooting of your HOMCOM 30L/Day Dehumidifier. Please read this manual thoroughly before using the appliance and keep it for future reference.
The HOMCOM 30L/Day Dehumidifier is designed to efficiently remove excess moisture from indoor environments, improving air quality and preventing issues associated with high humidity, such as mold and mildew. It features a 30L/day dehumidification capacity, a 4L water tank, multiple operating modes, a 24-hour timer, and an auto-clean filter function.
2. Important Safety Instructions
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and injury.
- Read all instructions before using the dehumidifier.
- Do not operate the unit with a damaged cord or plug.
- Ensure the power supply matches the voltage specified on the rating label (220-240V, 50/60Hz).
- Do not block air inlets or outlets.
- Keep the appliance away from water and other liquids.
- Unplug the unit before cleaning or servicing.
- 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. Package Contents
Please check the package contents upon receipt to ensure all items are present and undamaged:
- HOMCOM 30L/Day Dehumidifier Unit
- Drainage Hose (for continuous drainage)
- User Manual
4. Product Overview
Familiarize yourself with the main components of your dehumidifier.
5. Setup
5.1 Unpacking
- Carefully remove the dehumidifier from its packaging.
- Remove all packing materials, including any tape or protective films.
- Inspect the unit for any signs of damage. If damaged, do not operate and contact customer support.
5.2 Placement
- Place the dehumidifier on a firm, level surface.
- Ensure there is at least 20-30 cm (8-12 inches) of space around the unit for proper airflow.
- Do not place the unit near heat sources or in direct sunlight.
- The dehumidifier is equipped with swivel wheels for easy movement.
- Suitable for areas between 35-40m².
5.3 Power Connection
- Ensure the power cord is fully extended and not damaged.
- Plug the dehumidifier into a grounded 220-240V, 50/60Hz electrical outlet.
- The power cord length is 1.5m.
5.4 Drainage Options
Your dehumidifier offers two drainage methods:
5.4.1 Manual Drainage (4L Water Tank)
- The unit collects water in its internal 4L water tank.
- When the tank is full, the unit will automatically shut off, and a warning light (BUCKET FULL indicator on the control panel) will illuminate.
- Carefully remove the water tank, empty it, and reinsert it securely.
5.4.2 Continuous Drainage
- For continuous operation without emptying the tank, attach the included drainage hose to the continuous drainage port on the back of the unit.
- Route the hose to a suitable floor drain or a larger container, ensuring there are no kinks or blockages in the hose and that it slopes downwards for gravity drainage.
6. Operating Instructions
6.1 Control Panel Overview
The dehumidifier features a digital touch screen for easy control and an LED display to monitor humidity levels.
| Button/Indicator | Function |
|---|---|
| POWER | Turns the unit ON or OFF. |
| MIRAGE | Activates/deactivates the display light. |
| FILTER | Indicates when the filter needs cleaning. Press and hold to reset after cleaning. |
| FAN SPEED | Cycles through fan speeds: Low, High. (Quiet mode is typically Low fan speed). |
| HUMIDITY % (Up/Down arrows) | Adjusts the desired humidity level (35-80%). |
| MODE | Cycles through operational modes: Sleeping Space, Living Space, Basement, Continuous. |
| TIMER | Sets the auto ON/OFF timer (0.5 to 24 hours). |
| LOCK | Activates/deactivates the child lock function. Press and hold to engage/disengage. |
| BUCKET FULL | Indicator light illuminates when the water tank is full. |
6.2 Basic Operation
- Turn On: Press the POWER button. The unit will start operating in its default mode or the last used setting.
- Set Desired Humidity: Use the HUMIDITY % up/down arrows to set your target humidity level (e.g., 50% for general comfort, 45% for basement). The unit will run until the ambient humidity reaches this level, then cycle on and off to maintain it.
- Select Mode: Press the MODE button to cycle through the available operational modes:
- Sleeping Space (Low Noise): Optimized for quiet operation, suitable for bedrooms.
- Living Space (50% Humidity): Aims to maintain a comfortable 50% humidity level.
- Basement (45% Humidity): Designed for higher dehumidification needs, targeting 45% humidity.
- Continuous Running: The unit will run continuously regardless of humidity level until the water tank is full or the timer expires.
Visual representation of the four dehumidification modes and their typical applications. - Adjust Fan Speed: Press the FAN SPEED button to switch between Low and High fan speeds.
- Set Timer: Press the TIMER button to set an auto ON or OFF time from 0.5 to 24 hours. Each press increases the time by 0.5 hours up to 10 hours, then by 1 hour up to 24 hours.
- Child Lock: Press and hold the LOCK button for a few seconds to activate or deactivate the child lock, preventing accidental changes to settings.
- Display Light (Mirage): Press the MIRAGE button to turn the control panel display light on or off.
6.3 Quiet Operation
The dehumidifier is designed for quiet operation, with a noise level of 53dB, particularly in "Sleeping Space" mode. This makes it suitable for use during the night or in quiet office environments.
7. Maintenance
Regular maintenance ensures optimal performance and longevity of your dehumidifier.
7.1 Cleaning the Air Filter
- The unit has an air filter and an auto-clean function.
- The FILTER indicator light will illuminate when the filter needs cleaning.
- To clean:
- Turn off and unplug the dehumidifier.
- Remove the air filter (refer to the product diagram for location, typically at the back or side).
- Clean the filter with a vacuum cleaner or wash it with warm, soapy water.
- Rinse thoroughly and allow it to air dry completely before reinserting.
- Once reinserted, press and hold the FILTER button on the control panel to reset the filter indicator.
7.2 Cleaning the Water Tank
- Empty the water tank regularly, especially if not using continuous drainage.
- Clean the tank with mild detergent and water periodically to prevent mold and mildew growth. Rinse thoroughly.
7.3 Storing the Dehumidifier
- If storing the unit for an extended period, ensure the water tank is empty and clean.
- Clean the air filter.
- Cover the unit to protect it from dust.
- Store in a cool, dry place.
8. Troubleshooting
Before contacting customer support, please refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Dehumidifier does not turn on. | No power; Power cord not plugged in; Water tank full or not properly inserted; Child lock activated. | Check power connection; Empty and reinsert water tank securely; Deactivate child lock by pressing and holding the LOCK button. |
| Unit runs but does not dehumidify. | Air filter clogged; Room temperature too low (below 7°C); Humidity setting too high; Doors/windows open. | Clean air filter; Ensure room temperature is within 7-35°C; Lower desired humidity setting; Close doors and windows. |
| Water tank is full quickly. | High ambient humidity; Unit running continuously. | This is normal in very humid conditions. Consider using continuous drainage. |
| Unit is noisy. | Fan speed set to High; Unit not on a level surface; Obstruction in fan. | Switch to Low fan speed or Sleeping Space mode; Place on a level surface; Check for and remove any obstructions. |
| "BUCKET FULL" indicator is on, but tank is not full. | Water tank not properly seated; Float switch malfunction. | Ensure the water tank is fully and correctly inserted. If the problem persists, contact customer support. |
9. Specifications
| Feature | Specification |
|---|---|
| Model Number | 821-037V70WT |
| Brand | HOMCOM |
| Dehumidification Capacity | 30 Liters/Day |
| Water Tank Volume | 4 Liters |
| Suitable Area | 35-40 m² |
| Humidity Setting Range | 35% - 80% |
| Timer | 0.5 - 24 Hours |
| Noise Level | 53 dB |
| Input Voltage | 220-240V, 50/60Hz |
| Output Power | 460W (<500W) |
| Best Working Temperature | 7°C - 35°C |
| Overall Dimensions (W x D x H) | 35.2 cm x 27.2 cm x 49.9 cm |
| Power Cord Length | 1.5 m |
| Material | ABS |
| Certification | CE |
| Plug Type | UK Plug |
10. User Tips
- For optimal performance, ensure all windows and doors in the room are closed when the dehumidifier is operating.
- Regularly check and clean the air filter to maintain efficiency and air quality.
- If you notice the unit is not collecting much water, check the ambient temperature and humidity. Dehumidifiers are less effective in very cold or very dry conditions.
- Utilize the continuous drainage option for areas requiring constant dehumidification, such as basements, to avoid frequent tank emptying.
- The child lock feature is useful in households with children or pets to prevent accidental changes to settings.
11. Warranty and Support
For warranty information, technical support, or service inquiries, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.
Manufacturer: HOMCOM
Model: 821-037V70WT





