DH4120 - Humidifier ROWENTA - Free user manual and instructions

Product Type	Ultrasonic Humidifier
Model	DH4120
Brand	Rowenta
Tank Capacity	3.0 L
Coverage Area	Up to 20 m²
Mist Output	Adjustable (Low / High)
Noise Level	< 30 dB
Power Supply	230 V ~ 50 Hz
Power Consumption	25 W
Dimensions (W x D x H)	20 x 20 x 30 cm
Weight	1.5 kg
Water Level Indicator	Transparent tank / window
Auto Shut-Off	Yes, when tank empty
Filter Type	No filter (easy clean)
Aroma Tray	Optional (not included)
Adjustable Nozzle	360° rotating
Cleaning	Weekly with vinegar solution
Repairability Index	High (spare parts available)
Country of Origin	France

Frequently Asked Questions - DH4120 ROWENTA

How do I clean the Rowenta DH4120 humidifier?

Unplug and empty the tank. Wipe the interior with a soft cloth dampened with a mixture of water and white vinegar. Rinse thoroughly and dry before reassembly. Refer to the manual for detailed instructions.

What type of water should I use?

Use distilled or demineralized water to prevent mineral buildup and white dust. Tap water can be used but may require more frequent cleaning.

How do I adjust the mist level?

Turn the mist control knob on the front panel. Rotate it to the desired setting: low for a gentle mist or high for maximum humidity.

The humidifier is not producing mist. What should I do?

Check the water level; it may be empty. Ensure the unit is properly plugged in and the mist control is not set to off. Clean the ultrasonic membrane if clogged with mineral deposits.

Can I use essential oils in the Rowenta DH4120?

Only if the optional aroma tray is used. Do not add oils directly into the water tank as it may damage the unit. Place a few drops on the tray if available.

How often should I clean the humidifier?

Clean the tank and ultrasonic membrane weekly to prevent bacteria and mold growth. For heavy use, clean more frequently. Empty unused water daily.

Is the DH4120 safe to leave on overnight?

Yes, it features an auto shut-off when the water tank is empty. Place it on a flat, stable surface away from walls and electronics for safe operation.

What is the coverage area of this humidifier?

The Rowenta DH4120 is designed for rooms up to 20 square meters (about 215 square feet). For larger spaces, consider multiple units or a higher capacity model.

How do I replace the filter?

This model does not require a replacement filter. It uses filter-free ultrasonic technology. Simply clean the membrane and tank regularly.

Why is there white dust around the humidifier?

White dust is caused by minerals in hard water. Use distilled water to reduce dust. If it persists, clean the tank and membrane more thoroughly.

USER MANUAL DH4120 ROWENTA

Illustration of a white rectangular electronic device with a lid and front panel (no text or symbols)

EN ZH

Fig.1

Diagram of two views of a portable air conditioner unit with internal mesh structure, showing internal components and airflow direction (no text or symbols)

Fig.3

Fig.2 Fig.5

Technical line drawing of a car front panel showing internal grid layout and side panels (no text or symbols)

Fig.4

Diagram showing two views of a heater with internal structure, one magnified and one cutaway view (no text or symbols)

Illustration of hands installing or adjusting a device panel into a device casing (no text or symbols visible)

Illustration of a hand inserting cables into a device casing (no text or symbols)

Diagram of a car interior showing steering wheel, dashboard, and gear mechanism (no text or labels)

Illustration of a hand inserting a device into a rectangular panel (no text or symbols visible)

Fig.6

Line drawing of a portable air conditioner unit connected to a base platform (no text or symbols)

Fig.7

Read the instructions and the safety guidelines carefully before use and keep this manual.

PRODUCT DESCRIPTION

1 - Control panel
2 - Carrying handle
3 - Air outlet grill (DH4110), Air outlet with automatic-opening vent (DH4116, DH4120, DH4130)
4 - Water collection tank of 5 Liters
5 - Tank water level viewing window
6 - Tank handles
7 - Tank cover
8 - Float
9 - Rollers
10 - Removable pre-filter/nano holder
11 - Removable pre-filter/nano (cleanable)
12 - Air entry grill
13 - Permanent drainage opening plug

DH4110 : 16L model

Control panel

Excessive atmospheric humidity makes a house uncomfortable and can have adverse consequences.

Your dehumidifier allows you to remove damp air from your home by collecting the excess water vapour suspended in the air. It protects your living environment from the damaging effects of excessive humidity.

Thanks to its DRY function, your dehumidifier can also help you dry your washing even faster.

DAMPNESS IS EXPRESSED AS RELATIVE HUMIDITY (HR).

Relative humidity is a percentage indicating the quantity of water vapour in the air as a proportion of the maximum amount of water vapour that the air is able to contain at that temperature.

Relative humidity is measured with a hygrometer:

• RH <50%: the air in the room is too dry.
• RH between 50 and 60% : this is considered healthy.
• RH >60%: the air is too humid.

OPERATING PRINCIPLE

• The air is drawn in by a fan system and then passes through a refrigerant evaporator where it is cooled and the excess humidity is collected. The air leaving the refrigerant evaporator is dry and cold.
• It then passes through the refrigerant condenser which warms it before it is dispersed through the room.
• The condensed water is collected in the tank or removed through a hose for continuous drainage.

LOCATION

First place the dehumidifier in the room requiring priority treatment.

To maintain a good level of humidity throughout the home, the dehumidifier should then be installed in a central position.

The air must be allowed to circulate freely; ensure that the appliance is not installed behind curtains or near any other obstruction and leave a minimum free space of 10 cm (4 in) on all sides of the appliance.

WARNINGS

It is essential to read these instructions carefully and to observe the following recommendations.

• For your safety, this appliance is compliant with applicable standards and regulations (Low (Voltage and Electromagnetic Compatibility Directives).
• This appliance is intended only for domestic use. It may not be used for industrial purposes.
• The warranty is void in the event of damage resulting from improper use.
• Do not operate your appliance in a dusty atmosphere or where there is a fire risk.
• Before each use, check that the appliance, power cord and plug are in good general condition.
• Never insert objects into the appliance (e.g. needles).
• If the power cord is damaged, it must be replaced by the manufacturer, an approved after-sales service or a similarly qualified person, in order to avoid any danger.
• This appliance is not intended for use by people (including children) whose physical, sensory or mental capacities are disabled, or by people with no experience or familiarity with such devices, unless they are supervised by a person who is responsible for their security or have received instructions as to how to use the appliance.

This appliance may be used by children aged 8 years and over and people with reduced physical, sensory or mental abilities or lacking in experience or knowledge if they are correctly supervised or if instructions concerning the completely safe use of the appliance have been given to them and if the risks incurred have been understood.

Children must be supervised to ensure that they do not play with the appliance.

User cleaning and maintenance should not be carried out by unsupervised children.

• Never pull on the power cord or the appliance, even to disconnect the plug from the wall socket.
• Unroll the power cord completely before use.
• The regulations regarding the elimination of oil and refrigerant for storage must be respected.

VERY IMPORTANT

• Do not cover the air inlet and outlet grills.
• Do not block the air outlet vent (mod. DH4116, DH4120 and DH4130)
• Do not operate the appliance with the air outlet vent closed (mod. DH4116, DH4120 and DH4130)
• Do not manually force swinging of the air outlet vent (mod. DH4116, DH4120 and DH4130)
• Do not touch the appliance with wet hands.
• The appliance must be installed such that the control buttons cannot be reached by a person using the bath or shower.
• Never use the appliance in other than an upright position. Place the appliance on a flat and stable surface.
• Do not place heavy objects or children on the appliance.
• Do not put anything in the tank.
• Stop your appliance with the (A) button before disconnecting it.
• Turn off and disconnect the appliance before moving it.
• In case of prolonged absence: turn off the appliance with the button (A) and unplug it.
• The design of this IPX2 appliance means it can be used in all parts of the house, including those with risks of falling water (kitchen, bathroom, etc.).
• The electrical installation of the room and the way the appliance is installed and used must however conform to the standards in your country.

START-UP OF THE APPLIANCE

Before using your appliance for the first time, check that the supply voltage matches that indicated on the appliance.

Your appliance has to operate with an earthed plug. It is a class I appliance.

Before switching on your appliance, make sure that:

- the appliance is positioned in accordance with these instructions,

• the air inlet and outlet grills are completely unobstructed,
• the appliance is placed on a flat and stable surface.
• the tank float (7 Fig.1) moves freely in its housing.

Plug the lead in and press the start button (A).

On the display, the pictogram (L) appears indicating the temperature and relative humidity of the room,

Your appliance starts up in continuous operation. You can also define the mode you want to use by selecting the functions described in the following section.

After switching off using the OFF button (without unplugging), when the appliance is switched on it automatically starts in the previous configuration.

OPERATION

• HUMIDITY CONTROL Function

To set the target relative humidity, select one of the values, 70%, 60% or 50%, using the button (B). If the 70% function is selected, this means that the air will be dehumidified until the relative humidity falls to 70%. The appliance with regulate automatically if the relative humidity is below 70% (the compressor will stop but the fan will continue to operate).

The compressor will start again if the relative humidity exceeds 70%.

The same applies if 60% or 50% is selected.

• CONTINUOUS Function

The unit dehumidifies the room continuously if the CONTINUOUS function (O) is activated using button (B), regardless of the ambient humidity.

- SPEED Function

Press button (C) to select:

gentle ventilation

high ventilation

- TIMER Function

This function allows you to define an operating time for your appliance from 1 to 24 hours in preset conditions:

With your appliance switched on you can define:

• The ventilation speed (button C)
• The target humidity rate (button B)

=> Then select the number of hours of operation required before automatic shutdown by pressing the "PROG/TIMER" key (F).

The indicator light (G) will be lit up for the entire duration of the programmed operation.

The appliance will automatically switch off at the end of the selected time.

PLEASE NOTE: the appliance will regulate itself automatically to maintain the target humidity rate during the period of operation.

If you wish to exit the program, select "00 H" or stop the appliance with button A; the light will switch off.

- Fonction PROG

This function allows you to set your appliance for deferred start-up from 1 to 24 hours in previously defined conditions.

With your appliance switched off, press the "PROG/TIMER" key (F) as many times as necessary to define the number of hours before automatic start-up.

Your appliance is programmed for continuous start-up but, at your convenience, you can also select:

• The speed (button C)
• The target humidity rate (button B)

The indicator light (G) will be lit up awaiting automatic operation of the appliance.

PLEASE NOTE: the appliance will regulate itself automatically to maintain the target humidity rate during the period of operation.

If you wish to exit the program, select "00 H" or start the appliance with button A; the light will switch off.

Press the DRY (D) button to start the clothes drying function.

Continuous dehumidification and swing of the air outlet vent will start up automatically for enhanced clothes drying.

Press the "SWING" button (E): the air outlet vent will automatically swing, providing enhanced distribution of dry air around the room.

• DEFROSTING INDICATOR LIGHT

If light (I) comes on, the dehumidifier is in defrosting mode. The compressor shuts down and will start up again automatically after the defrosting phase.

NOTE: Check that the pre-filter is clean.

- FULL indicator light

The appliance beeps and the indicator (H) flashes when the tank is full or incorrectly positioned. The indicator stops flashing and the dehumidifier starts up again once the tank is emptied and replaced.

- FILTER

It is essential to switch off your appliance using button (A) and to unplug it before any operation.

- Your appliance is fitted with a removable cleanable pre-filter/nano which must be cleaned regularly.

- Remove the pre-filter/nano (Fig.3) and clean it with a vacuum cleaner.

- Re-fit the pre-filter/nano (Fig.4-5).

- Never use the appliance without its pre-filter/nano.

• EMPTYING THE TANK

It is essential to switch off your appliance using button (A) and to unplug it before any operation.

When the tank is full:

- The appliance shuts down and the red FULL indicator light (H) comes on

- Remove the tank gently from the appliance (Fig.6), empty the water and put the tank back into the appliance.

The red FULL indicator light (H) should switch off in a few seconds.

• CONTINUOUS DRAINAGE (see Fig 7).

It is essential to switch off your appliance using button (A) and to unplug it before any operation. Use a PVC pipe, 12 mm in diameter.

- Remove the plug (13) then connect the pipe to the drainage outlet.

- Ensure that the slope between the 2 ends of the pipe allows water to flow away normally.

CARE

• It is essential to switch off your appliance using button (A) and to unplug it before any cleaning operation
• It can be cleaned with a damp cloth.
• Clean the water tank regularly.
• Clean the air inlet pre-filter regularly.
• Important: Never use abrasive cleaners, these will damage the surfaces.

TRANSPORT

• Drain the tank before transport.
• The appliance is easy to move, thanks to its rollers.
• Note : Your appliance includes a refrigeration compressor; laying the appliance on its side can cause a malfunction.

STORAGE

• When the appliance is not in use, it must be stored in a dry place.
  • Take care to empty the water tank.

TECHNICAL CHARACTERISTICS

CHARACTERISTICS DH4116 / DH4110 DH4120 DH4130
Voltage and frequency 220-240V	50Hz 220-240V / 50Hz	220-240V / 50Hz
Power (W) (30°C RH 80%) 240W 3	10 W 430 W
Humidity absorption capacity (L/day) (30°C, RH 80%)	16 L 20 L 25 L
Humidity absorption capacity (L/day) (26,7°C, RH 60%)	DH4116 : 8 L DH4110 : 8,2 L	12 L 14,8 L
Weight (kg) 12,9kg 14kg	14,5kg
Ambient temperature (°C)	10°C - 35°C	10°C - 35°C	10°C - 35°C
Refrigerant / weight	R134A (165g)	R134A (195g)	R410A (180g)
Pre-filter/nano	√	√	√
Tank capacity (L)	5L	5L	5L
Dimensions (cm)	L33 x D42 x H65	L33 x D42 x H65	L33 x D42 x H65
Noise level - dB(A)*	DH4116 : 52 dB(A) DH4110 : 47 dB(A)	52 dB(A)	52 dB(A)

^* (on low speed under specific operating conditions)

IN CASE OF PROBLEM

Type of problem Points to check
The appliance does not work when switched on.	- Water tank full.- Positioning of the tank.- Connection of the appliance.
The dehumidification capacity is too low.	- That the filter is clean.- The temperature is too low.- Obstruction of the air inlet and outlet grills.
The desired level of comfort is not reached after the appliance has been operating for a long time.	- Doors and windows are closed.- That the filter is clean.- Source of steam in the room.- Size of room too large.
The appliance is too noisy. - The appliance is placed on a flat and stable surface.
The appliance stops.	- Water tank full or not in place.- Temperature too high or too low.- Bad humidity setting.
The full indicator light is on.	- In case of first use, water tank not in place.- Water tank is full.
The appliance freezes.	- Check filter is clean.- Room temperature too low.- Clear the air inlet and outlet grilles.
The air outlet vent does not open.(Mod. DH4116, DH4120, DH4130)	- Vent blocked on opening=> Switch off and restart appliance

• Never dismantle your appliance. A poorly repaired appliance may pose risks to the user.
• Before contacting an approved Service Centre in our network, ensure that the appliance is in a normal operating position and that the air inlet and outlet grills are completely unobstructed.

ENVIRONMENT PROTECTION FIRST!

Your appliance contains valuable materials which can be recovered or recycled

Models DH4110, DH4116, DH4120 also contain a fluorinated greenhouse gas as a cooling agent (R134A) under the Kyoto Protocol, whose global warning capacity is 1300 times higher than carbon dioxide (CO2).

Model DH4130 also contains a fluorinated greenhouse gas as a cooling agent (R410A) under the Kyoto Protocol, whose global warning capacity is 1975 times higher than carbon dioxide (CO2).

The fluorinated greenhouse gas contained in this appliance must not be released into the atmosphere.

Leave it a local civic waste collection point.

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