YAUFEY PD138A User manual

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Please read the manual carefully
before using the unit
PD138A
USER MANUAL
Commercial Dehumidifier

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To prevent any internal damage, it is very important to
keep refrigeration units (like this one) upright throughout
their journey.
Please leave it standing upright and outside the box for
24 HOURS before plugging it in.
BEFORE FIRST USE:

Thank you for purchasing our dehumidifier.
Yaufey wishes that our products and services can bring convenience to
your work and life.We highly recommend that you keep the manual for
reference if you encounter unexpected events using the unit.
Please read the manual carefully to ensure proper use of the dehumidifier.
Our dehumidifiers are widely used in family bedrooms, bathrooms,
basements, offices and storage rooms, etc.
The dehumidifiers from provide quick and efficient operation to Yaufey
reduce room's humidity and bring you a healthy and comfortable life.
If there is any problem of the product, please contact yaufey Customer
Service at with your Purchase Order ID to help [e-mail]
you address the problem more effectively.
FOR CUSTOMERS
TO ACCESS CUSTOMER SUPPORT FASTER

The graphics and functions provided in this manual may not be the same
as the actual product. Please always refer to the actual product.
The model of the machine on the manual is for reference only. please
check the corresponding content and operate the machine based on the
actual product.
The right to interpret the relevant terms belongs to the company.
TABLE OF CONTENTS
Safety Instructions ..............................................................01
Parts Description ................................................................02
Control Interface .................................................................03
Operation Instructions ........................................................04
Cleaning & Maintenance ....................................................09
Faults & Processing Methods .............................................10
Special Notes ......................................................................11
Technical Parameters .........................................................12
Warranty & Contact Us .......................................................13

Safety Notes:
For your safety, please read the manual carefully and keep the manual
before you use the manual for reference.
Please use this product according to the instructions of installation and
operation of this manual.
SAFETY INSTRUCTIONS

Drainage Outlet
Control Panel
Air Inlet
Power Cord
Castor
Air Outlet
PARTS DESCRIPTION

1. Control Panel
Button Instructions POWER
Press to turn on or turn off
the machine.
Down
Press to set the humidity or
the timing value down.
Up
Press to set the humidity or
the timing value up.
TIMER
Press to enable the timer function
or confirm the timer settings.

● "Power switch" Button: In power-off status, press this button to turn on the
machine and vice versa.(In power-on status, the LED screen will light up and vice
versa.)
Note: When the screen is not illuminated, it doesn't mean the power is disconnected.
● Up/Down Button: Press the Up/Down button, you can increase/dercrease the
humidity or timing setting.
● Timing/Function Button: Press this button, you can set the timer, or confirm your
humidity or timing settings.
2. Setting
In power-on status, you can press the UP/DOWN button to set the humidity value
between the range of 10%RH and 98%RH.
Press the "Function" button or no operations for seconds, you can confirm and
exit the humidity setting mode.
3.Timer Setting
This TIMER setting function is designed for you to set a time to turn off (when the
machine is on) or turn on (when the machine is off) the machine, automatically by
the timer.
In power-on status, long press the Timing/Function button for two seconds to enter
the timing setting mode, and press the UP/DOWN button to set the time, then
press the Timing/Function button again or no operations for seconds will exit the
timing setting process.
When the timer has been successfully set, the timing hours will be displayed on
the screen. If you press the Timing/Function button again once, the timing hours
will turn into the current temperature and return to the setting time after seconds
automatically.
When the machine is on, the timing off icon " " will be on after you successfully
set the timer. When the machine is off, the timing on icon" " will be on if you
long press the Timing/Function button after you successfully set the timer.
4. Action Description
1. Power on: the fan will start, and the compressor will start after several seconds'
delay.
2. Power off: compressor 1 and compressor 2 will stop immediately and the fan will
stop after several seconds's delay.

6. Auto Defrost
When the dehumidifier is running at a lower temperature, the system will
automatically determine whether there is a presence of frost. If any frost exists, it will
defrost automatically.
Defrost Action: The fan will keep running and the compressor will stop.
When Defosting: The defrosting character or icon " " will flash. Defrost
When Defrosting Stops: The defrosting character or icon " " will go out, the Defrost
fan and the compressor will both work according to dehumidification requirements.
7. Temperature Protection Function
When the ambient temperature is higher than the Default Highest Temperature
(113°F), the system will enter high temperature protection, the small figure on the
screen will indicate "HH", and the compressor will stop.
When the ambient temperature is lower than the Default Lowest Temperature (39 °F),
the system will enter the low temperature protection, the small figure on the screen will
indicate "LL", and the whole machine will stop.
5. Display Status Description
When the fan is delayed, the running icon " " will flash, and if the fan Running
is running, the running icon " " will be on, otherwise it will be off. Running
When the compressor is delayed, the dehumidification icon " " will flash, and if
the compressor is running, the dehumidification " " icon will be on, otherwise it
will be off.
If the ambient humidity is lower than the setting humidity, the compressor will be
stopped, and the humidity control icon " " will flash, otherwise it will Wet Controller
be off.
When the machine needs to be cleaned, the cleaning icon " " will flash,
otherwise it is off.
When the machine is defrosting, the defrost icon " " will flash, and go Defrost
out when the defrosting ends.
3. In the case of continuous power, the compressor can only be restarted after 3
minutes after.
3. Screen Description
Big Font Digital Number (59 RH% in the above illustration) is humidity
percentage reading of the inlet air that the dehumidifier detects which is similar to
the room humidity level. When you are pressing the or button to set a desired
humidity percentage value, the big font digital number will turn to display the
setting value and flash.

Fan Icon: The fan icon illuminates when the fan is running.
Small Font Digital Number (78℉ in the above illustration) is temperature reading of the
inlet air which is similar to the room temperature. However, if the timer function is being
set or has been activated, the small font digital number will turn to display the timer
setting value or time remaining.
Wet Controller
Wet Controller
and the dehumidifier will begin to dehumidify again atutomatically.
Water Droplets Icon: The water droplets icon illuminates when the compressor
kicks in, which means the dehumidifier is dehumidifying. When the compressor
delays to start due to the 3-minute delay system, this icon flickers.

Note:
1.If display EO E1 E2 E3 E4 ER or Eb fault, compressors, fans were still
working, only alarm and display fault code, turn off the electricity power then
turn on still can start (a few seconds for the alarm sound, press any button to
reset the alarm sounds).
2.E3 E5 E6 E8 E9 alarms, troubleshooting, need power off, then power on, the
alarm will relieve.
3.When E2 fails, the operation of the machine is not controlled by the operation
panel.
If the malfunction is still present, please don't hesitate to contact Yaufey
Customer Service email: for help. [e-mail]
4. Error & Protection Code

Continuous Drainage by Gravity
Water can be automatically be emptied into a floor drain by attaching the included
drainage hose.
To Achieve Continuous Drainage:
● Extend the drainage hose and direct it to a suitable drainage facility, like a floor drain.
Note:
● Be sure to run the slopping water hose downward to let the water flow out smoothly.
No kinks or no bent.
● If the water would be drained out to an external container via the hose, condensed
be sure NOT to submerge the other end of the hose into the drained out water.
● It is recommended to use a short hose. If the drain hose is too long, water may not
drain drain completely, which can lead to stagnant water and mildew will build up inside
the hose.
5. Water Drainage

Please make sure to draw out the power cable before cleaning and maintenance to
the machine.
Do not use detergent, steel wool, chemically treated cloth, gasoline, benzine,
thinner or other solvents for the cleaning as these items could damage the machine
body.
Cleaning the Filter
This device is equipped with a filter trap that can be washed, by which this
machine can isolate large part of the contaminants transmitted through air, such
as dust, smoke, animal fur, mold spore and pollen, reduce the substances that
could cause sensitization.
lt is suggested to check the filtering mesh regularly, make cleaning at least one
time per month or before storage.
Equip the filter trap back in the device after cleaning.
1. The device is attached with one drainage hose; it is connected to the drainage
outlet for continuous drainage.
2. Ensure no bending in the drainage hose for smooth water flow.
User shall never repair or disassemble the machine body through do-it-yourself,
improper repairing could endanger the user's body.

Check the information below for troubleshooting steps, it will save you time to
resolve issues that may happen with the unit.
The list includes most of the common cases, but not the results of defective unit,
or crafts and materials in the unit.
lf all troubleshooting steps have been exhausted and the issue is still occurring,
please feel free to reach out to Yaufey Customer Service to get further assistance.
1. Power failure.
2. The power switch is not
connected.
3. The power plug is not
plugged into the socket.
4. Fuse melted.
Poor
dehumidification
efficiency
1. The machine is tilted.
2. Water hose outlet is
blocked.
1. Adjust the machine to a
horizontal position.
2. Remove the dirt inside
the hose outlet.
1. The machine is tilted, instead
of upright as it should be.
2.The air filter is clogged.
1. Place the machine
levelly.
2. Clean the filter.
If the dehumidifier is still not working properly as expected and the
troubleshooting steps or solutions above may not resolve the issue.
Please shut down the dehumidifier and unplug the power, then contact Yaufey
customer service at [e-mail]
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FAULTS A ND
PROCESSING METHODS

SPECIAL NOTES
Do not insert thin rods and hard
objects into the machine body to
avoid malfunction and danger.
When cleaning the dehumidifier,
please use the wet textile to
wipe gently, do not shoot the
water directly.
Please clean the filter every two
weeks (do not use hot water
above 104°F, alcohol, gasoline
or toluene.)
When continuous drainage, the
drain hose must be placed
horizontally, without
unevenness and winding.
After cleaning the filter, please
do not dry it under direct
sunlight, in case deformation.

MODEL NO.
P0WER SOURCE
REFRIGERANT
MAXIMUM ALLOWABLE PRESSURE
HIGH PRESSURE
RATED POWER (95°F, 90%RH)
RATED CURRENT (95°F, 90%RH)
LOW PRESSURE
INPUT POWER (65°F, 60%RH)
INPUT CURRENT ( , 60%RH)65°F
120V 60Hz〜
1800W
16A
960W
8.4A
R410A (28.2ozs) (800g)
800PSIG (5.5MPa)
580PSIG (4.0MPa)
247PSIG (1.7MPa)
MOISTURE REMOVAL (65°F, 60%RH) 85 Pints/Day (40L/Day)
MOISTURE REMOVAL (80℉, 60%RH)
MOISTURE REMOVAL (86℉, 80%RH)
MOISTURE REMOVAL (95℉, 90%RH)
135 Pints/Day (63.8L/Day)
232 Pints/Day (110L/Day)
291 Pints/Day (138L/Day)
MOTOR COMPRESSOR
1.3A
RLA:11.8A LRA:58.0A
IEF (65°F, 60%RH)
MOTOR FLA
1.77 liters/kWh
This product can expose you to chemicals including Styrene and its compounds,
which is known to the State of California to cause cancer and birth defects or
other reproductive harm.
For more information, please visit: www.P65Warnings.ca.gov
PD138A

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:
*Please fill out all required fields and inlcude your Order ID, Date of Purchased if
applicable.
Warranty
Extend Your Warranty by 1 Year
Customer Support
There are our general terms for the 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.

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Your satisfaction means a lot to us.
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