Wood s Quiet and Compact Humidifier WHU400 Instruction Manual
- June 6, 2024
- Wood s
Table of Contents
**Wood s Quiet and Compact Humidifier WHU400 Instruction Manual
**
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Working principle
Working principle: Ultrasonic humidifiers use a high frequency oscillator to break up the water into tiny particles. The ventilation system of the humidifier fans the water into the air where they evaporate, increasing the humidity
Features
- Easy to refill water tank
- Built-in security device will switch off the unit automatically when the water tank is empty
- Noiseless and energy-saving
- High-quality transducer guarantees a lasting and satisfactory function.
- Soothing nightlight
What is air humidity?
Air humidity is the water vapour content in the air.
What is relative humidity?
Relative humidity is the proportion of moisture or water vapour in the air in
relation to the maximum possible level at the current temperature, expressed
as a percentage.
How can insufficient humidity affect us?
When the air is too dry, hydrogen levels in the body decrease, and negative symptoms can occur or be aggravated. Common symptoms are:
- Nasal congestion or runny nose
- Breathing difficulties
- Dry throat; sore throat
- Dry complexion with flaking and skin cracking
- Static electricity
- Tiredness, drowsiness and poor concentration
- Respiratory infections and diseases, such as asthma.
- Problems with dry complexion and eczema
- Dry eyes; smarting
What is ideal relative humidity?
In tropical countries, the climate is extremely hot and humid. This is why
air-conditioning systems are used everywhere. The disadvantage of air
conditioning is that it makes the air much too dry.
A comfortable indoor environment with relative humidity of 60% to 70% is
recommended.
Environment: Relative humidity (%)
Indoor humidity level during the winter: 15 %-40 %
Ideal indoor humidity level: 50 %-60 %
Outdoor humidity level: 70 %-95 %
Operating instructions
Before using the unit for the first time, keep the unit in room temperature for half an hour. Use clear water no warmer than 40˚C. Check the water basin and make sure it is clear. Put the nozzle into the socket on top of the water tank.
- Put the machine on a flat surface.
- Fill the water tank and tighten the tank cover.
- Connect the water tank to the main body.
- Check that the rated voltage meets the input voltage, and plug in the socket.
- Use the mechanical knob to switch the unit on and to adjust the humidity level.
- Activate the night light by pressing the button below the knob.
Security warnings
Please be aware of the following points to prevent danger of high voltage.
- Never disassemble the base unit without consulting qualified personnel.
- If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.
- Do not add detergents or chemical solutions to the water.
- Unplug the appliance during filling, cleaning and maintenance.
- Keep detergents and chemical solutions away children.
- Do not change the attachment without definite permit from the manufacturer.
- If you notice any abnormal smell during normal operations, please switch off the unit and discon-nect power supply and contact the manufacturer.
- Never touch the water in the water basin or the components in the water when the unit is in opera-tion.
- Never switch the unit on when there is no water in the water basin.
- Never scrape transducer cpl at will.
- Never clean transducer cpl with detergents or chemical solutions.
- Never let water splash into the inner base unit.
- Care should be taken when using the appliance due to emission of hot water vapor.
- Before cleaning and maintenance, the appliance must be disconnected from the main supply.
- This appliance is not intended for use by persons (including children) with reduced physical, senso-ry 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.
- Indoor use only.
- Prior to cleaning or other maintenance, the appliance must be disconnected form the main supply
The water filter
- The filter is mixed with NANO-SILVER material to prevent bacteria.
- The ceramic balls soften the hard water.
- The ceramic filter eliminates odor from the water
Maintenance
If you live in an area with hard water, which means that the water contains too much calcium and magnesium, it can cause “white powder” and scales on the water basin, transducer and inner surfaces of the water tank. Scales on the surface of transducer will unable the unit work to properly. We recommend:.
- Use cold boiled water or distilled water.
- Clean the transducer, water tank and basin unit every week.
- Change the water in water tank more often to keep it fresh.
- Change the water in regularly and clean and dry the water tank before storing the machine.
- If you plan not to use the unit for a longer period of time, clean the whole unit and make sure that all parts of the unit are dried completely before storing.
How to clean the filter system:
- Clean the ceramic balls after being used for 1000L of water.
- Remove the filter system from the tank cover.
- Put the filter system in the white vinegar for about 10 minutes.
- After 10 minutes; shake the filter system several times then clean it with clear water.
- Alternatively, take out the ceramic balls from the filter system and wash them with clean water then let them dry in direct sunlight for several hours before putting them back in the filter cartridge.
- Let the filter system dry and pack it into a polybag. Keep it in a cool and shady place.
How to clean the transducer:
- Put 5-10 drops of cleaning liquid on the surface of the transducer, wait for 2-5 minutes;
- Brush away the scale on the surface.
- Rinse the transducer with clean water.
How to clean the basin unit:
- Clean the water basin with a soft cloth and use cleaning liquid if there is scale in it.
- Rinse the water basin with clean water.
WARRANTY AND SERVICE
If your product needs service you should first contact your retailer. 2 years
limited product warranty against production faults. Proof of purchase is
required for all warranty claims.
The warranty is only valid if the product is used in accordance with the
instructions and security warnings expressed in this manual. The warranty does
not cover any damages caused by improper handling of the product.
| Problem | Reason | Solution |
|---|---|---|
| Power lamp of, unit doesn’t work | No power supply | Connect power supply, |
switch on.
Power lamp on, no mist outlet| No water in water tank| Fill up the water
tank
Security switch isn’t tight| Tighten the switch
Abnormal smelling mist| New unit| Remove the water tank, open the cover
and let it stand in a cool place for 12 hours.
Dirty water| Clean the water tank, fill it with clear water
Power lamp on, unit doesn’t work| Too much water in the water tank| Pour
out some water from the water tank. Close the water tank tightly.
Reduced capacity| Too much scale in the water tank| Clean transducer
Water is too dirty or kept for too long in the tank| Clean water tank, change
water
Abnormal noise| Resonant in water tank due to not enough water| Fill the
water tank with water
Unit is on an unstable surface| Move the unit to stable flat surface
Mist fog coming out from around the nozzle| There are apertures bet-ween
the nozzle and tank| Dip the nozzle in water for a while and put it back in
the socket
This marking indicates that this product should not be disposed with other household wastes throughout the EU. To prevent possible harm to the environment or human health from uncontrolled waste disposal, recycle it responsibly to promote the sustainable reuse of material resources. To return your us device, please use the return and collection systems or contact the retailer where the product was purchased. They can take this product for environmental safe recycling
Visit our website to:
Get usage advice, updated brochures, troubleshoot and service information
Register your product for additional services: www.warranty-
woods.com
CUSTOMER CARE AND SERVICE
Always use original spare parts.
When contacting our Authorised Service Centre, ensure that you have the
following data available: Model number, receipt and serial number.
References
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