YAUFEY AD1903 User manual

www.yaufey.com
AD1903
Please read this manual carefully
before using the product
USER MANUAL
Home Dehumidifier

REQUESTING CUSTOMER SERVICE
Thank you for purchasing our dehumidifier.
Yaufey has been committed to developing powerful and easy-to-use products
to bring more convenience to your life. We highly recommend you to keep this
user manual for future reference in case of unexpected problems.
Please read this user manual carefully to ensure proper use of the dehumidifier.
This dehumidifier is perfect for reducing humidity in family bedrooms, bathrooms,
basements, offices, storage rooms and more.
Yaufey dehumidifier reduce the room humidity efficiently, creating a more
healthy and comfortable environment for you and your family.
If there are any problems of the product, please contact Yaufey Customer Service
at [email protected] with your Purchase Order ID. We'll help you solve the
problems as soon as possible.
FOR CUSTOMERS

YAUFEY HOME DEHUMIDIFIER
Thank you for your purchase. Please read this instruction manual
carefully to ensure proper use. Read all safety precautions prior to use.
Please store this instruction manual in a safe place for future reference.
Place the unit upright for at least 24 HOURS before plugging it in.

Safety Precautions.................................................... 01
Part Descriptions....................................................... 02
Control Panel.............................................................03
Drainage....................................................................04
Care and Cleaning.....................................................06
Troubleshooting.........................................................07
Specifications.............................................................10
Warranty & Support ...................................................11
TABLE OF CONTENTS

SAFETY
PRECAUTIONS
Notice :
For your safety, please read and keep the manual properly before or after using
the unit. This product is only for home use. Please use the product in
accordance with the instructions in this manual.
· After being carried or tilted, the dehumidifier needs to stop for 2
hours until used again.
·Keep the dehumidifier upright and make sure there is at least
10-inch space around it.
· Please keep cleaning the filter in time. The cleaner the filter, the better it
works.
· Keep the foreign objects away from the air inlet and outlet.
· Do not pour or splash water onto the dehumidifier.
· Do not unplug the dehumidifier to turn it off. Please use the switch button
on the control panel.
· Please turn the dehumidifier off and empty the water tank before moving
it.
· Do not clean the dehumidifier with bad sprays or other flammable deter-
gents.
· Please turn the dehumidifier off and unplug it if it breaks down.
· If the power cord is broken, please send an email to
[e-mail] immediately.
IMPORTANT SAFETY INSTRUCTIONS
10”
10”
01 02 03 04 05 06 07 08 09 10 11

Air Deflector
Air Outlet
Control Panel
Handle(Both Sides)
Filter
Water Tank
Caster
Air Inlet
Continuous Drainage Outlet
Handle of Water Tank
Power Cord
PARTS DESCRIPTION
01 02 03 04 05 06 07 08 09 10 11

CONTROL PANEL
Press "TIMERI" to pre-set the working hours of the unit.
Press "MODE" to choose the desired mode.
STANDARD: Manual setting of RH
The dehumidifier will shut off when the preset RH was reached. When
ambient humidity is 4% higher than the preset RH, the machine will get
back on work automatically.
DRYING: Continuous operation
You cannot manually adjust the humidity when the unit is in the mode. The fan
and compressor remain working and the display reads the current humidity.
Press "SPEED" to switch between low speed and high speed.
TANK FULL
When the tank is full, the dehumidifier will stop working.
Note: The alarm and the indicator light will be on.
DEFROST
Auto detection of frost and auto defrosting to keep a good performance in
dehumidifying. The indicator light will be on until the frost disappears.
Please open the air deflector before you turn on the dehumidifier.
ON/OFF
TIMER
HUMIDITY
MODE
SPEED
OTHERS
Press "ON/OFF" to turn on/off the dehumidifier.
Press "HUMIDITY" to set your desired humidity (RH 40%-80%) or CO
(continuous operation).
01 02 03 04 05 06 07 08 09 10 11

DRAINAGE
When the water in the tank gets full, the dehumidifier will go off alarms and stop working
automatically. Meanwhile, the indicator light of "TANK FULL"will turn red. It is suggested to
empty.
Empty the water tank and put it back in position.
Note: If the tank is not well installed, the indicator
will flashes.
Join the drainage hose.
Place the hose downward
to ensure proper drainage.
Place the water tank back into place.
Then place the long hose into the
groove of the tank to keep it
downward, for proper drainage.
01 Manual Drainage
Take out the tank gently.
02 Continuous Drainage
Take out the water tank.
01 02 03 04 05 06 07 08 09 10 11

DRAINAGE
1.Keep the hose downward.
2.Make sure the drainage outlet of the appliance is always higher than the maximum water
level of the water collecting vessel or water may flow backward.
3.Make sure there is always a height difference of 5.5 inches between the outlet of hose and
the drainage outlet of the appliance.The outlet of hose should be 5.5 inches lower all the time.
No space between the outlet of hose and the vessel
An accumulation of water
Advised Drainage Method
Wrong Use of Continuous Rrainage
01 02 03 04 05 06 07 08 09 10 11

Take out the filter. Remove the dirt and wash
the filter.
Leave the filter air-dry fully
in shade.
If you do not need to use the dehumidifier for a long time,please store it in the following ways:
Turn off the dehumidifier and wind the cord.
Empty the water tank and keep it dry.
Clean the filter and dry it out.
Place the dehumidifier at somewhere unexposed to sunshine.
STORAGE
CARE & CLEANING
CLEAN THE FILTER
Keep the machine unplugged betore maintaining or washing.
Attention:
CLEANING TIPS
Turn off the unit and wait at least for 1 hour before cleaning the dehumidifier.
Please use slightly water-dampened cloth to clean the dehumidifier.
Please do not use volatile chemicals, gasoline, detergent, or other related detergents.
For this may damage the dehumidifier.
Please do not wash the dehumidifier with water directly.
01 02 03 04 05 06 07 08 09 10 11

TROUBLESHOOTING
The dehumidifier does not work.
The socket is loose.
The light of "FULL"is on.
The room humidity is lower
than setting.
Please check the socket to ensure the
machine is charged.
Please remove the water from the tank
or replace the tank in its place.
Please reset the humidity setting of the
machine to ensure it is lower than the
humidity of the room.
Dehumidifying effect is not
obvious.Or the dehumidifier is
not removing moisture.
The dehumidifier is a little noisy.
The air turbine does not work.
The filter is dusty.
The inlet or outlet is blocked.
Doors and windows are open.
The room temperature or
humidity is too low.
The vibration may be caused by
uneven placement.
The filter is clogged.
The air turbine does not work.
The filter is clogged.
Please clean the filter and make sure
there is at least 10-inch space around the
dehumidifier.
Check that all doors and windows are
securely closed.
This is normal.
Please put the machine in a flat place.
Please clean the filter.
Please reassemble the air turbine or
remove the foreign objects.
Please clean the filter.
The display shows "E1","E2","H1"or "LO"
E1/E2
H1
LO
The component inside dehumidifier isunder open circuit or short circuit.
The indoor temperature is higher than 95℉.Skip level to air supply mode
The indoor temperature is lower than 32℉.Skip level to air supply mode
PROBLEMS PROBABLE REASONS SOLUTIONS
01 02 03 04 05 06 07 08 09 10 11

Do not insert any thin rods or
hard items into the machine to
prevent malfunctions and
danger.
When cleaning the machine,
please use wet cloth to wipe
gently. Do not spray water on it
directly.
Please clean the filter every two
weeks. Do not use hot water
above 104°F, alcohol, gasoline
or toluene.
After cleaning the filter,
please do not dry it under
direct sunlight to prevent it
from deforming.
When using the machine,
please do not put it on a soft
or uneven ground to prevent
vibration and movement.
When using the machine, please
keep it away from any heating
furnaces, electric kettles and
other heating sources.
When using the machine,
please close doors and
windows for the optimal
moisture removal effect.
Please do not put any objects
around the machine. The
dehumidification effect will be
affected if the ventilation is bad.
Please unplug the machine from
the power source if you do not
use it for a long time.
Please do not put any
objects on the dehumidifier.
Before moving or carrying
the machine around, please
empty the water tank first.
When using the hose to drain
continuously, please place the
hose horizontally and make
sure it is even and not winded.
TROUBLESHOOTING
01 02 03 04 05 06 07 08 09 10 11

Notice of Compressor Running Status
Notice of Full Tank Detection
It's a normal phenomenon that the compressor and fan keep
running when the ambient humidity reaches the preset RH. The
fan will keep running for 5 minutes after the preset RH is
reached. The compressor stops when the ambient humidity is
4% lower than the preset RH, and it starts automatically when
the ambient humidity level is 4% higher than the preset level.
The Return Difference design featuring 4% error range is for
better protecting and prolonging lifespan of the appliance.
1. There may be some remaining water in the water collecting
tray while the tank full indicator light is on. Please wait for
several minutes before taking out the water tank.
2. The fan will keep working for 5 minutes and the compressor
will auto shut off when the tank full indicator light is on for
protection.The fan will auto shut off after extra 5-minute work if
the water tank is still full.
01 02 03 04 05 06 07 08 09 10 11

SPECIFICATIONS
*Specifications are subject to change without prior notice.
AD1903
115V~60Hz
2.6A
165W
2.1A
RLA:1.85A;LRA:8A
R134a(3.35 ozs)(95g)
580PSIG(4.0MPa)
246.5 PSIG(1.7MPa)
87 PSIG(0.6MPa)
0.82 liters/kWh
0.54 A
Pints/Day( L/Day)6.5 3
Pints/Day( L/Day)10 5
Pints/Day( L/Day)21 10
Pints/Day( L/Day)30 14
Total Input Current
Power Source
Model No.
Moisture Removal(65℉,60% RH)
Moisture Removal(80℉,60% RH)
Moisture Removal(86℉,80% RH)
Moisture Removal(95℉,90% RH)
Input Power(65℉,60% RH)
Input Current(65℉,60% RH)
IEF(65℉,60% RH)
Motor FLA
Motor Compressor
Refrigerant
Maximum Allowable Pressure
High Pressure
Low Pressure
01 02 03 04 05 06 07 08 09 10 11

01 02 03 04 05 06 07 08 09 10 11
Yaufey offers a 12-month warranty to all of our products together with the original
proof of purchase when a defect occured, including those newly purchased and
unused, from Yaufey or through an authorized reseller, wholly or substantially, or as
a result of faulty manufacturing parts, or workmanship during the Warranty Period.
The warranty does not apply if damage is caused by other factors, including but
without limitation of:
e warranty service, but we always encourage our
customers to contact us if any issues, regardless of warranty terms. If you are
experiencing an issue with Yaufey product, you can reach out to us at
[e-mail], we will dedicate our efforts to resolve it for you.
Warranty
Extend 1-Year Warranty for Free
Customer Support
If you have any questions or concerns about our product, please feel free to
contact our expert support team. Yaufey customer service is ready to help.
Yaufey
( a ) Normal wear and tear;
( b ) Abuse, mishandling, accident or failure to follow operating instructions;
( c ) Exposure to liquid or infiltration of foreign particles;
( d ) Servicing or modification of the product other than by Yaufey.
Register your product at to get 1-year extended warranty for free.www.yaufey.com
WARRANTY
& SUPPORT
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