guardian technologies H955W Ultrasonic Humidifier and Diffuser Instruction Manual

: June 3, 2024
: guardian technologies

Table of Contents

H955W Ultrasonic Humidifier and Diffuser
USE & CARE INSTRUCTIONS
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H955W Ultrasonic Humidifier and Diffuser

USE & CARE INSTRUCTIONS

Ultrasonic Humidifier & Diffuser
Model No. H955W
3-Year Limited Warranty
Customer Service 1.866.603.5900
www.guardiantechnologies.com

READ AND SAVE THESE INSTRUCTIONS

WARNINGS
Failure to comply with the warnings listed below may
result in electric shock or serious injury.

This product should be used only in accordance with the specifications outlined
in this manual. Usage other than what has been specified here may result in
serious injury.

• CAUTION: To reduce the risk of severe burns, keep this product out of the reach of children and pets.
• Disassembly, repair or remodeling by an unauthorized person may result in serious harm and will void the manufactures warranty.
• Always place this humidifier on a firm, flat & level surface. This humidifier may not work properly on an uneven surface.
• Do not place this product on cloth, carpet or an absorbent surface. This may block air inlet.
• This product releases mist. Do not place this humidifier directly on wood furniture, flooring or any surfaces that could be damaged by water. Manufacturer does not accept any liability for damage in the case of the unit being placed incorrectly.
• Do not use if the plug is damaged or loose.
• Before filling or cleaning the unit, make sure it is unplugged.
• Once the humidifier has been plugged in, do not tilt or move the unit.
• Do not handle the plug with wet hands.
• Do not excessively bend, twist, pull or damage the power cord.
• Avoid placing this product where the humidity spout is pointed directly at an object or person.
• Do not inhale the mist/vapor expelled from the product or drink water from the tank.
• Do not fill the water tank with hot or boiling water.
• Do not use this product in direct sunlight or near a heat source such as a stove, heater or radiator.
• If the water tank becomes cracked or damaged, do not use.
• Do not keep this product running for an extended period of time.
• Unplug the cord when unit is not in use for an extended period of time and/or when no one is home.
• Do not keep water in the tank when not in use for an extended period of time.
• Do not clean the unit, water tank or water reservoir with detergents or chemicals of any kind.
• Do not use this product near any other electronic device.
• Do not cover the spray spout at any time during use. Do not put anything on or in the tank.
• IMPORTANT: Neither humans nor animals can hear the high frequency vibrations.
• When unplugging from outlet hold humidifier securely.
• Do not place cord over objects.
• Do not get water in or on the power cord or where it connects to the product.
• Do not use near a sink.
• Do not touch the water tank during operation.
E-2
This product should be used only in accordance with the specifications outlined
in this manual. Usage other than what has been specified here may result in
serious injury.
E-3
• Do not submerse the unit in water or pour water on the unit or in the humidity spout.
• Do not cover the spout with cloth or hand and do not use without the spout.
• Use clean or distilled water in tank. Hard water areas will require more frequent cleaning.

Stop using your humidifier and contact your physician if you have respiratory symptoms
which you believe are associated with periods of use of your home humidifier, even if you
are following maintenance directions.

WARNING: Cancer and Reproductive Harm.
For more information go to www.P65Warnings.ca.gov.

This equipment has been tested and found to comply with the limits
for a Consumer ISM equipment, pursuant to Part 18 of the FCC Rules.
Although tested, it may affect these devices. If the humidifier is found to
interfere, separate the device and/or the humidifier. Conduct only the
user maintenance found in this manual. Other maintenance and servicing
can cause harmful interference and can void the required FCC compliance.

SPECIFICATIONS

HUMIDIFYING MODE: Ultrasonic Cool Mist TANK CAPACITY: 0.52 gallon
RUN TIME: Up to approximately 30 hours between tank refills when on lowest mist setting.

PARTS

HUMIDITY SETTING / MIST OUTPUT

SET UP

Select a firm, level, flat location – at least six inches (15 cm) from any wall or object for proper air flow.

Place the humidifier on a water-resistant surface, as water can damage furniture and some flooring.

Do not place unit directly on carpet, towels, blankets or other absorbent surfaces.
Guardian Technologies will not accept responsibility for damage caused by water spillage.

DIRECTIONS FOR USE

FILLING – Make sure unit is unplugged.

4. OPTIONAL: Add a few drops of your favorite essential oil to directly to the tank. (Oil not included)
NOTE: Essential oils can be added directly to this water tank due to the material used in the design.
5. WATER REFILL INDICATOR – When the unit is low on water the power button will flash red and the display will show E1 until the unit is refilled or turned off. Add more water to continue use.
Unit will automatically resume running when the tank has been refilled.

CONTROL OPERATION

Power Button – Press to turn the power on/off.
Timer – Set the scheduled shutdown time from 1 to 12 hours shown on the display, the product will shut down after the timer expires. The display will read “CO”, press the timer button to set the timer for the hour time preferred.
Night light – Press once to turn on the 7 color night light. Continue to press up to 8 times to circulate through and select a color. The 9th press turns the light off.
Humidity Setting – Press to select the preferred humidity level. The humidity range can be set from 40% to 75%RH. Recommended humidity is between 45-50%. When ambient humidity reaches the select setting the unit will work in low speed. If it falls +/- 5% it will restore to the original speed.
AUTO Mode – Press to turn on/off Auto function. This function changes the mist output
based on the following:
Default humidity upper limit is 50%RH
1. When 40%RH < current humidity < 50%RH, low mist output
2. When 30%RH < current humidity ≤ 40%RH, medium mist output
3. When the current humidity ≤ 30%RH, high mist output
4. When the current humidity is ≥ 50%RH, the transducer will automatically stop working
but the fan will still work, the unit will resume work until the current humidity < 50%RH
Mist Output – Press to select speed: 1-3.

GENERAL CLEANING
1. Always unplug the unit before servicing in any way.
2. Water tank. Empty the tank to clean. Clean the inside of the tank with fresh water and a soft
cloth or the cleaning brush. To clean the inside of the upper mist tube (inside the tank) first
remove the mist spout by pulling it directly off. Then twist the mist tube in a counter clockwise
direction and pull it out. To remove the lower mist tube (underside of the tank) twist it in a counter
clockwise direction and pull it out. Clean the insides of both pieces with a brush and water.
Return both pieces by rotating them in a clockwise direction until snug and then snapping the
mist spout back onto the upper mist tube. When returning tank to base, position the tank by
aligning the two lines on the side of the tank.
3. Outer surface of the unit. Wipe the lid and surface of the unit with a soft, damp cloth if needed.
If you notice an accumulation of water during usage, reduce humidity and dry outer surface
with a cloth.
DESCALING
• Depending on usage and water type, cleaning to remove scale may be required weekly or every
other week to optimize unit performance.
• If you live in a hard water area, we recommend the use of distilled water for your humidifier.
This will help reduce the precipitation of minerals or ‘white dust’.
• Do not clean the unit or water tank with detergents or cleaning chemicals of any kind.

ULTRASONIC DISK

1. Unplug unit.
2. Empty the tank and any remaining water in the
base of the tank by pouring out all of the water.
3. Locate the ultrasonic disk on the
inside center of the base unit.
4. Use ONLY the enclosed cleaning brush to gently
clean disk and remove build up and deposits.
Do not scrub or scrape the ultrasonic disk.
Ultrasonic Disk Clean the disk with the brush only. No other
cleaning tool should be used. BRUSH ONLY.

If scale becomes difficult to remove with brush:
1. Fill the tank with: mixture of 1 tsp. white vinegar and 1 tsp. water.
2. Let solution stand for 5 minutes.
3. With the vinegar in the tank, clean all interior surfaces with a soft cloth or brush to help
remove scale.
4. Also check mist nozzle and mist tube in water tank. Clean as needed.
5. Rinse the tank thoroughly with water to remove scale and vinegar solution.

END OF SEASON STORAGE

• Follow the Cleaning and Descaling instructions when the humidifier will be stored at the end of the season.
• Dry the humidifier completely before storing. DO NOT store with water inside the Base or Water Tank.
• Pack the unit in its original carton and store in a cool, dry location.
NOTE: IF YOU EXPERIENCE A PROBLEM DO NOT ATTEMPT TO OPEN THE MOTOR HOUSING YOURSELF. DOING SO MAY VOID YOUR WARRANTY AND CAUSE DAMAGE TO THE HUMIDIFIER OR PERSONAL INJURY.

TROUBLE SHOOTING GUIDE

PROBLEM	SOLUTION

Air blows but water vapor
is not produced.|

Excessive Water: Remove a certain amount of water from the tank.
Excessive Water in mist tube. Remove water from tank and mist chamber.
Make sure that the mist tube in the tank is in the closed position.
Detergent residue and/or oil ingredients from cosmetics, eta may be in
tank; wash out tank and try again.
The surface of the ultrasonic disk is dirty: Clean ultrasonic disk.
If you use hard water, replace with softer water.

Humidity level is low.|

The surface of the ultrasonic disk is dirty: Clean ultrasonic disk.
The water in the unit is too cold: Replace with cool, but not cold water.
Damage on the ultrasonic disk: Contact Customer Service

The humidity has
a bad smell.|

Poor maintenance or dirty water: Clean the product thoroughly, and fill it
with fresh water.

White dust is forming on
nearby furniture.|

Hard water may deposit a certain amount of dust. Dust in the air also
settles because of added humidity in the room. Use distilled water if this
becomes a nuisance.

Unit has stopped working.|

No or low water. Unplug unit and refill tank.

Water is accumulating
outside of unit or area
surrounding unit.|

Saturation of humidity. Lower mist control setting. Unit not level and water
is accumulating. Unplug and place on level surface. Point spray away from
objects. Raise unit on a water-resistant level surface 2-3 feet off of floor.

Increased noise level.|

Unit must be placed on a flat, level, hard surface.
Make sure it is NOT placed on a soft or absorbent surface.

E1 on display.
Power light flashing red.|

Indicates that the water level is low. Refill tank.

E2 on display.
Power light solid red.|

Indicates the tank is not on the base or is not installed properly.

Humidity measurement
does not match my home
humidistat readings
(hygrometer).|

Due to humidistat tolerances between devices different relative humidity
readings can be seen.

Cannot smell aroma scent.|

Add a few more drops of oil to the tank.

LIMITED WARRANTY

To the consumer, Guardian Technologies LLC warrants this product to be free of defects in materials or workmanship commencing upon the date of the original purchase. In order to be eligible for this Limited Warranty, an original sales receipt or comparable substitute proof of purchase bearing the date of original purchase is required. Refer to the original product carton or specific product/model page on the Guardian Technologies website for warranty length for your particular model. This warranty applies only to the original purchaser of this product from the original date of purchase. This warranty covers product purchased from authorized distributors only. This warranty does not cover Guardian Technologies products that are used outside of the US and Canada as the appliance must be plugged directly into a 120V AC electrical outlet without the use of an adapter.

This warranty applies to repair or replacement of product found to be defective in materials or workmanship.

This warranty does not apply to damage resulting from unusual wear, commercial, abusive, unreasonable use or supplemental damage. This warranty does not cover damage from unauthorized repairs or from any use not in accordance with the instruction manual. Defects that are the result of normal wear and tear will not be considered manufacturing defects under this warranty.

If this product should become defective within the warranty period, we will repair or replace any defective parts free of charge. All warranty repairs must be completed by Guardian Technologies LLC. This warranty gives you specific legal rights and you may also have other rights (other rights may vary from state to state in the U.S.A.)
To submit product under warranty the complete machine must be delivered pre- paid to Guardian Technologies LLC. Please include complete information including: the problem, the model number of the product, the day of purchase, and a copy of the original sales receipt along with your name, address, and telephone (email optional). Address returns to the attention of: Repair Department, at the address below.

Additional questions or comments can be made toll free to the number listed below.

USA and Canada
Guardian Technologies LLC
26251 Bluestone Blvd.
Euclid, Ohio 44132
1.866.603.5900
www.guardiantechnologies.com

Please go to www.guardiantechnologies.com to register your product. We consider the registration process
important to ensuring superior service to our customers, however submitting the registration is optional
and does not affect your rights to utilize this warranty according to the conditions stated above

Additional copies of the instruction manual can be obtained by accessing and
printing directly from our website or calling customer service.