AD 7972 - Humidifier ADLER - Free user manual and instructions

Product type	Ultrasonic humidifier
Brand	Adler
Model	AD 7972
Water tank capacity	4 liters
Power	23 W
Power supply	220-240 V ~ 50/60 Hz
Mist output	3 levels (low, medium, high)
Timer	1, 2, 4 or 6 hours
Humidity setting	40% to 90% RH (in increments of 5%)
Sleep mode	Operation and pause cycles (5/5, 5/10, 5/15 min)
Aromatherapy	Yes, with built-in cotton sponge (water-soluble essential oils)
Display	Digital with mode indicators
Water shortage protection	Automatic shut-off and "EE" display
Cleaning and maintenance	Clean the tank every 3 days; descale the transducer with citric acid
Optional water filter	Ref. AD7972.1 (reduces limescale)
Included accessories	Cleaning brush, aromatherapy sponge
Usage	Domestic only, flat and stable surface
Precautions	Do not direct mist towards walls, furniture or electrical appliances; do not add chemicals

Frequently Asked Questions - AD 7972 ADLER

What is the water tank capacity of the Adler AD 7972?

The water tank has a capacity of 4 liters.

How to use the aromatherapy function?

Remove the tank cover, pour 2-3 drops of water-soluble essential oil onto the provided cotton sponge, place the sponge in the aromatherapy container, then put it back on the mist outlet.

How to set the timer?

During operation, press the Timer (7B) button repeatedly to choose 1h, 2h, 4h, 6h or disable the timer.

What to do if the display shows 'EE'?

This indicates a water shortage. Turn off the appliance, fill the tank with clean water up to the MAX level, then turn it back on by pressing the Power button (7A).

How to clean the atomization transducer?

Use a cotton swab soaked in a citric acid solution to remove scale. Never use hard or sharp objects.

Can I use non-water-soluble essential oils?

No, only use water-soluble essential oils. Never pour oil directly into the water.

Why does the mist have a peculiar smell?

This often comes from dirty or stagnant water. Clean the tank, dry it and fill it with clean water.

How to set the desired humidity level?

Press the Continuous Humidity (7C) button to set a level from 40% to 90% RH. The appliance stops automatically when the level is reached.

What is sleep mode and how to activate it?

Sleep mode alternates cycles of 5 minutes of operation and increasing pauses (5, 10, 15 min). Press the Power button (7A) repeatedly until the display dims.

What to do if the appliance makes an abnormal noise?

Check the water level (add if necessary) and make sure the appliance is on a firm and flat surface to avoid vibrations.

USER MANUAL AD 7972 ADLER

Black industrial air fryer with digital display and three legs, no visible text or symbols on device body

White ADLER air purifier with digital display and three buttons (no text or symbols on body)

AD 7972

OPEN CLOSE 4.

Figure 3

graph LR
    A["Default as timer off"] --> B["1H timing"]
    B --> C["2H timing"]
    C --> D["4H timing"]
    D --> E["6H timing"]
    E --> F["Timer off"]

    subgraph Time Offs
        G["40"] --> H["Press 1time"]
        H --> I["01"]
        I --> J["Press 2 times"]
        J --> K["02"]
        K --> L["Press 3 times"]
        L --> M["04"]
        M --> N["Press 4 times"]
        N --> O["06"]
        O --> P["Press 5 times"]
        P --> Q["00"]
    end

Figure 4

graph LR
    A["Press 1 time\n40\nThe Min humidity value is 40%"] --> B["Increase 5%\nfor each press\n45"]
    B --> C["Press several times\n90\nThe Max humidity value is 90%"]
    C --> D["Press once again\nTurn off constant humidity function"]

Figure 5

A B C D

Figure 6

Diagram showing three scenarios of a water heater with faucet, water drop, and checkmark indicators

Figure 7

Line drawing of a water heater setup with components and water droplets (no text or symbols)

Figure 8

graph LR
    A["Standby state"] --> B["Press 1time"]
    B --> C["Default as low mode"]
    C --> D["Press 2times"]
    D --> E["Medium mode"]
    E --> F["Press 3times"]
    F --> G["High mode"]
    G --> H["Press 4times"]
    H --> I["Sleep mode"]
    I --> J["Press 5times"]
    J --> K["Power off"]

ENGLISH

GENERAL SAFETY CONDITIONS

IMPORTANT SAFETY INSTRUCTIONS READ CAREFULLY AND SAVE FOR FUTURE

The warranty conditions are different, if the device is used for commercial purpose.

1. Before using the product please read carefully and always comply with the following instructions. The manufacturer is not liable for damages caused by using the device contrary to its intended purpose or improper operation.
2. The device is for home use only. Do not use for other purposes that are not for its intended purpose.
3. The device should only be connected to a 220-240 V \~ 50/60 Hz socket.
4. Take special care when using the device when children are nearby. Do not allow children to play with the device, do not allow children or people unfamiliar with the device to use it.
5. WARNING: This equipment may be used by children over 8 years of age and people with limited physical, sensory or mental ability, or people who have no experience or knowledge of the equipment, if this is done under the supervision of a person responsible for their safety or have been granted them information on the safe use of the device and are aware of the dangers of using it. Children should not play with the equipment. Cleaning and maintenance of the device should not be performed by children, unless they are over 8 years old and these activities are carried out under supervision.
6. Always remove the plug from the power socket after use by holding the socket with your hand. DO NOT pull on the power cord.
7. Do not immerse the cable, plug, base and the whole device in water or any other liquid. Do not expose the device to atmospheric conditions (rain, sun, etc.) or use in conditions of high humidity (bathrooms, damp mobile homes).
8. Periodically check the condition of the power cord. If the power cord is damaged, it should be replaced by a specialist in repair center to avoid danger.
9. Do not use the device with a damaged power cord or if it has been dropped or damaged in any other way or if it is not working properly. Do not repair the device yourself, as there is a risk of electric shock. Take the damaged device to an appropriate service center for checking or repair. All repairs may only be carried out by authorized service points. Incorrectly performed repairs can cause serious danger for the user.
10. Place the device on a cool, stable surface, away from hot kitchen appliances such as an electric stove, gas burner, etc.
11. Do not use the device near flammable materials.
12. The power cord may not hang over the edge of a table or touch hot surfaces.
13. Never leave the product connected to the power source without supervision. Even when use is interrupted for a short time, turn it off from the network, unplug the power.
14. To provide additional protection, it is advisable to install a residual current device (RCD) in the electrical circuit with a rated residual current not exceeding 30 mA. Ask an electrician for this.

Do not use the device near water, e.g. ... in the shower, bath tub or above the

wash basin with water.

1. When the appliance is used in a bathroom, remove the plug from the socket after use, as the proximity of water is a hazard even when the appliance is turned off.

2. Do not allow the device to get wet. In the event that the device falls into water, immediately remove the plug from the wall socket. Do not put your hands in water when the machine is connected to the network. It must be checked by a qualified electrician before using it again.

3. Do not hold the device with wet hands.

4. Always turn off the device after every use. Please switch off power before unplugging.

5. Never turn on the device without water in the water tank.

6. Use only clean, cool water.

7. Do not pour water into the tank above the maximum level.

8. Do not immerse the humidifier base. If water spills on the device, immediately unplug it and allow it to dry.

9. Do not add any chemicals to the water basin, water tank or the mist outlet. Do not add salts, descaling tablets, powders or cleaning substances to the water.

10. The mist inlet and water tank cover should always be tightly closed.

11. Make sure the humidifier's mist outlet is not directed directly at walls, furniture, electrical outlets, electrical and electronic devices, or children. Too high humidity in a room can lead to moisture accumulation, causing bacteria and fungi to grow, and damage to walls, furniture, and wallpapers.

12. Do not block the ventilation of the device. Keep a distance of at least 20 cm from the device. Do not block the humidifier water mist outlet.

13. Do not use the device if there is a risk of condensation. Moisture can form on the inside and outside of the device when:

- the device is moved from a cold to a warm place,

- the heating system has just been switched on,

- the device is used in a room with high humidity,

- the device is cooled by the air conditioning cooling system.

When moisture condensation occurs in the device, it may not work properly or may be damaged in extreme cases. In this case, do not use the device and let it dry for a few hours.

1. Do not tilt, turn over or attempt to top up or pour water from the machine during operation.

2. Do not remove the tank from the base of the device during operation of the humidifier.

3. The filled water tank is heavy. When carrying it, keep it underneath as well.

4. Do not use a humidifier if you find water leaks from under the device.

5. Do not leave water in the humidifier when it is not being used.

6. Follow the cleaning instructions in this manual.

7. Never allow sedimentation, moisture or water to remain in the humidifier base tank (this may cause contamination or even damage to the ultrasonic atomizer).

8. During prolonged operation of the device, the water mist emitted by the humidifier may fall to the floor and cause moisture.

9. Do not lift the water tank by the water mist outlet.

10. It is prohibited to insert metal chips, wire, needles and other foreign objects into the product or into the housing gaps, otherwise it may cause electric shock or malfunction.
11. Be aware that high humidity levels may encourage the growth of biological organisms and fungi in the environment.
12. Too much humidity in the room can lead to moisture accumulation causing the damage to walls, furniture, wallpaper and electric other appliances as TV. Do not direct the mist outlet close to such objects.
13. Do not permit the area around the humidifier to become damp or wet. If dampness occurs, turn down the mist production. If the mist capacity cannot be turned down, use the humidifier intermittently. Do not allow absorbent materials, such as carpeting, curtains, drapes, or tablecloths, to become damp.
14. Do not cover the device. Do not place any objects on the top of the device.
15. Do not use the device in association with a programmer, timer or other device that automatically switches the humidifier on.

Warning: Microorganisms that may be present in the water tank will be blown into the air, causing a very serious health hazard. To prevent this, change the water regularly and clean the tank every three days.

Warning: The water tank should be emptied and refilled every three days. Before refilling, clean it with fresh water or using available detergents if required by the manufacturer. Remove scale, deposits or a film that has formed on the walls of the tank. After cleaning, wipe dry all accessible surfaces.

Ultrasonic humidifier uses ultrasonic high frequency oscillation principle, the water is atomized into 1-5 micron ultra fine particle, then the water mist is diffused into the air through the pneumatic device, so as to achieve the purpose of uniformly humidifying the air, refreshing air, moisturizing skin and improving health.

Before first use

When the device is turned on, please do not touch an atomizing transducer (12) with hand to avoid hurting.

Device description: Ultrasonic humidifier

1. Water filling lid 2. Water tank cover
   3.Spray nozzle 4.Aromatherapy container
2. Mist air duct 6. Water tank
   7A. Switch on / Mist adjustment / Sleep mode / Switch off button
   7B. Timer button 7C. Continuous humidity button
3. Display 9. Air inlet
   10.Mist outlet 11.Air outlet
4. Atomizing transducer 13. Aromatherapy cotton sponge
5. Cleaning brush

WATER FILLING – look at figure 7

1. Place the device on stable, flat surface. Remember to fill the water to unplugged device.
2. Open the water filling cover (2) together with water filling lid (1).
3. Remember the mist air duct (5) has to be installed inside water tank before adding the water.

4. When adding the water, do not inject water into the spray nozzle (3) and do not inject water into the mist outlet (10) as well do not inject water into the air outlet (9).

5. Pay attention to do not exceed the MAX (maximum) water level marked on the air outlet (9) - Ilok at Figure 2. Use clean tap water.

6. Close the water tank cover (2) together with water filling lid (1). Plug in the device.
7. When the device is not planned to be used the water should be poured out the water tank (6).
8. To reduce the precipitation of limescale from the water - white powder, you can optionally purchase a water filter for this device, number AD7972.1 from the seller of this device.

AROMATHERAPY FUNCTION

1. Take away the water tank cover (1) together with water filling lid (1).
2. Pour 2-3 drops of essential oil on an aromatherapy cotton sponge (13) and place it inside an aromatherapy container (4). Look at Figure 4. Place an aromatherapy container (4) on the top of the mist outlet (10). The nice smelt will be distributed together with mist. ATTENTION: ONLY water-soluble essential oils are suitable for this device.
3. DO NOT drip essential oils to water directly.

OPERATION

1. After plug in the device gives sound signal and the device enters the standby state.
2. To switch on the device press once the switch on button (7A). Default mist volume is set at low level, you will see at the display (8) two lines (Figure 9B). Press this button (7A) repeatedly to change the modes to medium mist output level (Figure 9C), high mist volume (Figure 9D), sleep mode (Figure 9D) or switch off the device (Figure 9E) in turn.

WATER SHORTAGE PROTECTION

When the device is working, built-in spring detect the lack of water. Then the device stops working, the display (8) will show "EE" and flashing for 5 seconds and you will hear 3 sound signals. After this, the device enters the standby state. After adding the water, press the switch on button (7A), then the device can work normally.

SLEEP MODE SETTING

The device will work at medium mist output for 5 minutes and it will pause the mist output for 5 minutes, then it works 5 minutes and it will pause for 10 minutes; next it will work for 5 minutes and it will pause for 15 minutes, further operation will be continued in such cycle. At sleep mode the display (8) is dimmed – look at Figure 9E.

TIMER SETTING

The default setting is zero hours. During operation press the timer button (7B) repeatedly to choose one of timer operation period: 1 hour or 2 hours or 4 hours or 6 hours or press again to switch off the timer function – look at Figure 4. The timer function stops the operation of device after fixed period passed.

HUMIDITY LEVEL SETTING

During the device operation press the continuous humidity button (7C), you can set the humidity value in range 40-90% of relative humidity, each repeated pressing will increase with 5% value. When the humidity level is set, the device is constantly humidifying to the desired humidification level. After reach desired humidification level, the device enters the standby state and stops spraying the mist until the ambient humidity level reduced to 5% below desired humidification level. In such case, the device starts spray the mist again automatically. Look at Figure 5.

CLEANING AND MAINTENANCE

1. Plug out the device before cleaning. If there is some water left in the water tank (6), it should be poured out by tilting the water tank (6).
   ATTENTION: Important issue is correct water tank (6) position while the water is poured out. The correct position is achieved when the air outlet (9) stay dry and the water stream is leaded by opposite edge of the water tank (6).
2. Clean the water tank each 3 days.
3. After the device is used for a period of time, it is easy to appear scale and form "white powder" phenomenon, it is attached to the surface of an atomizing transducer (12), affecting the humidification efficiency. It is necessary to clean main components regularly. To clean main components look at Figure 6.

* Open the water tank cover (2), disassemble the mist air duct (5) by rotating anticlockwise – look at Figure 6A.
* Wipe the inside of water tank (6) and the mist air duct (5) with a soft cloth – look at Figure 6B.
* Add proper amount of water, clean the device with the cleaning brush (14) – look at Figure 6C.
* Wipe an atomizing transducer (12) with a cotton swab stuck with citric acid solution.
4. Do not use sharp hard utensils to touch the atomizer.
5. Do not use detergent to clean, clan water is better. Next dry elements with soft cloth, install the mist air duct (5) by clockwise rotation.
6. The outer surface of the device housing can be cleaned with a damp cloth and then wiped dry with a clean cloth. Do not use chemical solvents, gasoline, kerosence or polishing powder to wipe the surface.
7. Do not let the water to come inside housing when cleaning to avoid inside components malfunction.
8. Clean the device before each next use.

STORAGE

1. For seasonal storage the device should be empty, cleaned and dry.

2. Storage in bag to prevent against the dust, in dry place.

TROUBLESHOOTING

If the device does not work properly, check with following possible reasons before send to after sale service to solve problems on your own.

PROBLEM I.: the display (8) is not on.

POSSIBLE REASON OF PROBLEM I: the power is not plugged in properly.

SOLUTION OF PROBLEM I: plug in power cord and turn on the power.

PROBLEM II.: there is water in tank, the red light is flashing when the device is turned on

POSSIBLE REASON OF PROBLEM II: there is too much scale on an atomizing transducer (12)

SOLUTION OF PROBLEM II: clean the withe scale accumulating on the atomizing transducer (12)

PROBLEM III.: atomization amount is too small

POSSIBLE REASON OF PROBLEM III:

IIIa. There is too many white scale on the atomizing transducer (12)

IIIb. The water is too dirty or too long time stored

IIIc. The mist volume was set up at low level

SOLUTION OF PROBLEM III:

IIIa. clean the white limescale on an atomizing transducer (12)

IIIb. Change to clean water

lllc. Set up middle or high mist level

PROBLEM IV.: Abnormal noise

POSSIBLE REASON OF PROBLEM IV:

IVa. There is too less water in water tank

IVb. It collides with the table surface to produce jitters

SOLUTION OF PROBLEM IV:

IVa. Add water

IVb. Place the device on firm, smooth surface

PROBLEM V.: Peculiar smell of mist

POSSIBLE REASON OF PROBLEM II: The water in water tank is not clean or it was kept for long time

SOLUTION OF PROBLEM II: Clean the water tank, dry it, next add clean water

TECHNICAL DATA:

Power: 23W

Power supply: 220-240V \~50-60Hz

Water tank capacity: 4 liters

To protect your environment: please separate carton boxes and plastic bags and dispose them in corresponding waste bins. Used appliance should be delivered to the dedicated collecting points due to hazarsous components, which may effect the environment. Do not dispose this appliance in the common waste bin.

DEUTSCH

WATERTEKORT BESCHERMING

OPLOSSING VAN PROBLEEM IV:

IVa. Voeg water toe

INDSTILLING AF SLEEP MODE

INDSTILLING AF LUFTFUGTIGHED

sqrt amongst Mechanical, engineering, and environmental information. En the same way to ensure that the system is a general structure of the system. The system is a simple structure of the system.

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AFTER SALE SERVICE NOTICE

GB	If you want to buy spare parts or make any complaints, please contact the seller who issued the receipt directly.
DE	Wenn Sie Ersatzteile kaufen oder reklamieren möchten, wenden Sie sich bitte direkt an den Verkäufer, der die Quittung ausgestellt hat.
FR	Si vous souhaitez acheter des pièces de rechange ou faire des réclamations, veuillez contacter directement le vendeur qui a èmis le reçu.
ES	Si desea comprar repuestos o presentar alguna queja, comuniquese directamente con el vendedor que emitió el recibo.
PT	Se você quiser comprar peças de reposição ou fazer alguma reclamação, entre em contato diretamente com o vendedor que emitiu o recibo.
LT	Jei norite jsigyti atsarginiu dalių ar pateikti nusiskundimų, susisiekite tiesiogiai su kvitą išdavusiu pardavėju.
LV	Ja vēlaties iegādāties rezerves daļas vai izteikt pretenzijas, lūdzu, sazinieties tieši ar pārdevēju, kurš izsniedza čeku.
EST	Kui soovite osta varuosi või esitada pretensioone, võtke otse ühendust kviitungi väljastanud mūūjaga.
HU	Ha pótalkatrészeket szeretne vásárolni, vagy panaszt szeretne tenni, forduljon közvetlenül a bizonylatot kiàllító eladóhoz.
BS	Ako želite kupiti rezervne dijelove ili napraviti reklamaciju, obratite se direktno prodavaču koji je izdao račun.
RO	Если вы хотите купить запчасти или предъявить какие-либо претензии, пожалуйста, свяжитесь напрямую с продавцом, выдавшим чек.
CZ	Chcete-li zakoupit náhradní dily nebo uplatnit jakoukoli reklamaci, kontaktujte přimo prodejce, který účtenku vystavil.
RU	Dacă doriți să cumpărați piese de schimb sau să faceți vreo reclamație, vă rugăm să contactați direct vânzătorul care a emis chitanța.
GR	Eăv BÉLÆTE va ayorășete antalλλακτικά ή va kăvete ottoiobățipote παράπτονα, επικοίνωνήστε απευθείας με τον πωλητή που εξόδωσε την απόδειξη.
MK	Ako сакате да kupите резервни делови или да поднесете какви било поплаки, контактирајте директно со продавачот koј ja издал сметката.
NL	Als u reserveonderdelen wilt kopen of een klacht wilt indienen, neem dan rechtstreeks contact op met de verkoper die de bon heeft afgegeven.
SL	Če želite kupiti nadomestne dele ali vložiti reklamacije, se obrnite neposredno na prodajalca, ki je izdal račun.
FI	Jos haluat ostaa varaosia tai tehdă valituksia, ota yhteyttä suoraan kuitin antaneeseen myyjään.
PL	W przypadku chęci zakupu części zamiennych lub zgłoszenia ewentualnych reklamaciji należy kontaktować się bezpośrednio ze sprzedawca, który wystawil paragon.
IT	Se desideri acquistare pezzi di ricambio o presentare reclami, contatta direttamente il venditore che ha emesso la ricevuta.
HR	Se desideri acquistare pezzi di ricambio o presentare reclami, contatta direttamente il venditore che ha emesso la ricevuta.
SV	Om du vill köpa reservdelar eller göra några reklamationer, vänligen kontakta säljaren som utfärdat kvittot direkt.
DK	Hvis du ønsker at købe reservedele eller reklamere, bedes du kontakte sælgeren, som har udstedt kvitteringen, direkte.
UA	Якщо ви хочете придбати запчастини або подати будь-які претензії, зверніться безпосередньо до продавця, який видав чек.
SR	Ako желите да kupите резервне делове или да уложите рекламацију, обратите се директно продавцу који је издао рачун.
SK	Ak ci chcete kúpit'náhradně diely alebo uplatnit' akúkol'vek reklamáciu, kontaktujte priamo predajcu, ktorý účtenku vystavil.
AR	إذا كنت درعب في شراء قطع عيار أو متتيم أي شكري، فيرجي الانصال بالبائع الذي أصدر الإ Corpus مبiatedرة.
BG	Ako искате да закупите резервни части или да направите оплаквания, моля, свържете се директно с продавача, който е издал касовата бележка.
AZ	Ehtiyat hissələri almaq va ya hər hansı şikayat etmək istəyirsinizsə, qəbzi verən satici ilə birbaşa əlaqa saxlayın.