Arctic King WDK Series User manual

Dehumidier
WDK20AE1N
WDK35AE1N
www.midea.com
USER MANUAL
en
WDK
Warning notices: Before using
this product, please read this
manual carefully and keep it
for future reference.
The design and specifications
are subject to change without
prior notice for product
improvement. Consult with
your dealer or the manufacturer
for details.
Rated voltage: 115V
Frequency: 60Hz

Page 2
Read This Manual
Inside you’ll find many helpful hints on how to use and maintain your air conditioner
properly. Just a little preventive care on your part can save you a great deal of time
and money over the life of your air conditioner. You’ll find many answers to common
problems in the troubleshooting tips - you should be able to fix most of them quickly
before calling service. These instructions may not cover every possible condition of
use, so common sense and attention to safety is required when installing, operating
and maintaining this product.
Safety Precautions ....................................................................................... 3
Unit Specifications and Features .............................................................. 6
Operating Instructions ................................................................................ 7
Installation Instructions .............................................................................. 12
Care and Cleaning ....................................................................................... 13
Troubleshooting Tips .................................................................................. 14
Warranty ........................................................................................................ 15
Return Policy .................................................................................................... 16
CAUTION
Owner’s Manual
• Contact the authorized service technician for repair or maintenance of this unit.
• The unit is not designed to be used by young children or people with reduced
physical, sensory or mental capabilities without supervision.
• Young children should be supervised to ensure that they do not play with the unit.
• If the power cord needs to be replaced, please contact our consumer service and
look for an authorized technician.
• Electrical installation, if needed, must be performed in accordance to national
regulation standards by qualified personnel only.

Page 3
Safety Precautions
Safety
Precautions
To prevent injury to the user or other people and property damage, the instructions
shown here must be followed. Incorrect operation due to ignoring of instructions may
cause harm or damage. The level of risk is shown by the following indications.
• Plug in power cord plug properly.
Otherwise, it may cause electric shock or fire due to excess heat generation.
• Do not modify power cord length or share the outlet with other appliances as it
may cause electric shock or fire due to overheating.
• Always ensure effective grounding.
Incorrect grounding may cause electric shock.
• Unplug the unit if you notice unusual sounds or smells, or smoke comes fromit.
A damaged product may cause fire and electric shock.
• Keep firearms away fromthe unit.
• Ventilate roombefore operating the air conditioner if there is a gas leakage from
another appliance.
• Do not operate or stop the unit by inserting or pulling out the power cord plug.
• Do not operate with wet hands or in very humid enviroments.
It may cause electric shock.
• Do not allow water to come into contact with any electric parts.
It may cause failure or electric shock.
• Do not use the socket if it is loose or damaged.
It may cause fire and electric shock.
• Do not place the power cord close to heating appliances.
It may cause fire and electric shock
• Do not disassemble or modify unit.
It may cause failure and electric shock.
• Do not damage or use an alternate power cord.
It may cause fire and electric shock.
• If the power cord is damaged, it must be replaced by the manufacturer or an
authorized service center or a similarly qualified person in order to avoid a hazard.
• Do not use the power cord near flammable gas or combustibles, such as gasoline,
benzene, thinner, etc.
It may cause an explosion or fire.
• Before cleaning, turn off the power and unplug the unit.
• Do not take the water bucket out during operation, the bucket full protection may
be activated and risk electric shock.
WARNING
This symbol indicates the possibility of death or serious injury.
CAUTION
This symbol indicates the possibility of injury or damage to property.
WARNING

Page 4
CAUTION
Safety
Precautions
• Do not use the unit in small spaces.
Lack of ventilation can cause overheating and fire.
• Do not use in places where water may splash onto the unit.
Water may enter the unit and degrade the insulation. It may cause an electric
shock or fire.
• Place the unit on a level, sturdy section of the floor.
If the unit falls over, it may cause water to spill and damage belongings, or cause
electrical shock or fire.
• Never insert your finger or other foreign objects into grills or openings. Take
special care to warn children of these dangers.
It may cause failure or electric shock.
• Do not climb up on or sit on the unit.
You may be injured if you fall or if the unit falls over.
• Always insert the filters securely. Clean filter once every two weeks.
Operation without filters may cause failure.
• If water enters the unit, turn off the unit and switch off the circuit breaker. Isolate
supply by taking the power-plug out and contact a qualified service technician.
• Do not place flower vases or other water container on top of the unit.
Water may spill inside the unit, causing insulation failure and electrical shock or fire.
• Do not use detergents that contain wax or thinners as it may damage the product.
Clean with a soft clothe only.
• If the unit is knocked over during use, turn off the unit and unplug it fromthe
main power supply immediately. Visually inspect the unit to ensure there is no
damage. If you suspect the unit has been damaged, contact a customer service or
a qualified technician.
• In a thunderstorm, the power must be cut off to avoid damage to the unit due to
lightning.
• Turn off the main power switch if the unit is not to be used for an extended time.
• Do not run cord under carpeting. Do not cover cord with throw rugs, runners, or
similar coverings. Do not route cord under furniture or appliances. Arrange cord
away fromtraffic area and where it will not be tripped over.

Page 5
Safety
Precautions
WARNING - Electrical Information
• The manufactures nameplate is located on the rear panel of the unit and
contains electrical and other technical data specific to this unit.
• Be sure the unit is properly grounded. To minimize shock and fire hazards,
proper grounding is important. The power cord is equipped with a three-prong
grounding plug for protection against shock hazards.
• Your unit must be used in a properly grounded wall receptacle. If the wall
receptacle you intend to use is not adequately grounded or protected by a
time delay fuse or circuit breaker, have a qualified electrician install the proper
receptacle.
• Ensure the receptacle is accessible after the unit installation.
• Do not use extension cords or an adapter plugs with this unit. However, if it is
necessary to use an extension cord, use an approved “dehumidifier” extension
cord only (available at most local hardware stores).
• To avoid the possibility of personal injury, always disconnect the the unit from
power supply, before installing and/or servicing.
WARNING - For your safety
• Do not store or use gasoline or other flammable vapors and liquids in the vicinity
of this or any other appliance.
• Avoid fire hazard or electric shock. Do not use an extension cord or an adaptor
plug. Do not remove any prong fromthe power cord.

Page 6
Unit Specifications and Features
Unit
Specifications
and Features
Product overview
Accessories
NOTE
All the pictures in this manual are for
illustrative purposes only. The actual
shape of the air conditioner you
purchased may be slightly different, but
its operations and fuctions are similar.
Front
1. Control panel
2. Air intake grille
3. Air outlet grille
4. Air filter (behind the grille)
5. Water bucket
6. Handle (both sides)
Rear
1. Drain hose outlet
2. Caster
3. Power Cord and plug
4. Band (Used only when storing the unit.)
Drain hose (1 pc) Adaptor A (1 pc) Screw (2 pc)
Fig. 2
1
2
3
1
3
2
4
Fig. 1
5
1
2
3
4
6
3
2
5
6
1
4

Page 7
Operating Instructions
Operating
Instructions
Key Pad Features
Control Pads
1. FILTER Pad
The check filter feature is a reminder
to clean the Air Filter for more efficient
operation. The Filter light (Clean filter light)
will flash after 250 hours of operation.
To reset after cleaning the filter, press the
Filter pad and the light will go off.
2. Mode
Press to select the desired operation
mode from Dehumidifying,Continuous
dehumidifying and Comfort dehumidifying.
At Comfort dehumidifying mode, the unit
will automatically control room humidity
inacomfortable range 45%~55%
according to the room temperature.
The humidity setting function will be
invalid.
NOTE
The control panel of the unit you purchased may be slightly different according
to the models.
When you push the button to change
operation modes, the unit will make
a beep sound to indicate that it is
changing modes.
CAUTION
Clean your unit occasionally to keep it looking new. Be sure to unplug the unit before
cleaning to prevent chock or fire hazards.
Comfort
dehumidifying
light
Timer on/off
indicator light
High fan
indicator light
Bucket
full light
Continuous operation
on indicator light
Clean filter
indicator light
Auto defrost operation
on indicator light
1
2
3
45 5
6
7
mode
comfort full

Page 8
Operating
Instructions
4. TIMER Pad
Press to initiate the Auto start and Auto
stop feature, in conjuction with the and
key pads.
5. Up/Down Pads ( / )
• Humidity Set Control Pads
The humidity level can be set within a
range of 35% RH(Relative Humidity)
to 85% RH (Relative Humidity) in 5%
increments.
For drier air, press the pad and set
to a lower value (%).
For damper air, press the pad and
set a higher value (%).
• TIMER Set Control Pads
Use the and pads to set Auto
start and Auto stop time 0.0 to 24.
6. POWER Pad
Press to turn the dehumidifier on and off.
7. Display
Shows the set % humidity level from 35%
to 85% or autostart/stop time (0 ~ 24)
while setting,then shows the actual (+/-
5% accuracy) room % humidity level in a
range of 30% RH(Relative Humidity) to
90% RH(Relative Humidity).
Error Codes and Protection Code:
AS - Humidity sensor error - Unplug
the unit and plug it back in. If error
persists, contact Customer Service.
ES - Temperature sensorerror - Unplug
the unit and plug it back in. If error
persists, contact Customer Service.
Other Features
Bucket Full Light
Glows when the bucket is ready to be
emptied, orwhen the bucket is removed
or not replaced in theproper position.
Auto Shut Off
The dehumidifier shuts off after 30
seconds when thebucket is full, or when
the bucket is removed or not replaced
in the proper position.When the setting
humidity is reached, the unit will be shut
off automatically. For some models,the
fan motor will continue operating.
Auto Defrost
When frost builds up on the evaporator
coils, the compressor will cycle off and
Auto Defrost function will run untilthe
frost disappears.
Wait 3 minutes before resuming operation
After the unit has stopped, it can not be
restarted in the first 3 minutes to protect
compressor operation. The unit will
restart automatically after 3 minutes.
Auto-Restart
If theunit stops unexpectedly due to
a power cut, it will restart with the
previous function setting automatically
when the power resumes.
P2 - Bucket is full or bucket is not in right
position - Empty the bucket and
replace it in the right position
3. FAN Pad
Control the fan speed. Press to select
either High or Normal fan speed. Set the
fan control to High for maximum moisture
removal. When thehumidity has been
reduced and quiet operation ispreferred,
set the fan control to Normal.

Page 9
Operating
Instructions
Setting the Timer
• When the unit is on, first press
the Timer button, the Timer OFF
indicator light illuminates. It indicates
the Auto stop program is initiated.
Press it again the Timer ON indicator
light illuminates.It indicates the Auto
start is initiated.
• When the unit is off, first press the
Timer button, the Timer ON indicator
light illuminates. It indicates the Auto
start program is initiated. Press it
again the Timer OFF indicator light
illuminates. It indicates the Auto stop
is initiated.
• Press or hold the and pads to
change the Auto time by 0.5 hour
increments, up to 10 hours, then at
1 hour increments up to 24 hours.
The control will count down the time
remaining until start.
• The selected time will register
in 5 seconds and the system will
automatically revert back to display
the previous humidity setting.
• When the Auto start & Auto stop
times are set, within the same
program sequence, indicator lights
illuminate identifying both ON and
OFF times are now programmed.
• Turning the unit ON or OFF at any
time or adjusting the timer setting to
0.0 will cancel the Auto Start/Stop
function.
• When LED display window displays
the code of P2, the Auto Start/Stop
function will also be cancelled.
Other Features (cont.) When Using the Unit
• When first using the dehumidifier,
operate the unit continuously 24
hours.
• This unit is designed to operate with
a working environment between
5°C/41°F and 32°C/90°F.
• If the unit has been switched off
and needs to be switched on again
quickly, allow approximately three
minutes for the correct operation to
resume.
• Do not connect the dehumidifier to
a multiple socket outlet, which is
also being used for other electrical
appliances.
• Select a suitable location, making
sure you have easy access to an
electrical outlet.
• Plug the unit into a electrical socket-
outlet with earth connection.
• Make sure the water bucket is
positioned correctly so that the unit
can operate properly.
NOTE
When the water in the bucket reaches
to a certain level, please be careful to
move the unit to avoid it spill.

Page 10
Removing Collected Water
There are two ways to remove collected water:
1. Use the bucket
• When the unit is off, if the bucket is full, the unit will
beep 8 times and the Full indicator light will flash,
the digital display shows P2.
• When the unit is on, if the bucket is full, the
compressor turns off and the fan turns off after 30
seconds for drying the water of the condenser, then
the unit will beep 8 times and the Full indicator light
will flash, the digital display shows P2.
• Slowly pull out the bucket. Grip the left and right
handles securely, and carefully pull out straight so
water does not spill. Do not put the bucket on the
as because the bottom of the bucket is uneven.
Otherwise the bucket will fall and cause the water
to spill.
• Throw away the water and reposition the bucket.
The bucket must be in right place and securely
seated for the dehumidifier to operate.
• The machine will re-start when the bucket is
restored in its correct position The unit will restart
operation when the bucket back in place.
NOTES
• When you remove the bucket, do not touch any
parts inside the unit. Doing so may damage the
product.
• Be sure to push the bucket gently all the way into
the unit. Banging the bucket against anything or
failing to push it in securely may cause the unit
not to operate.
• When you remove the bucket,if there is some
water in the unit you must dry it.
Operating
Instructions
Fig. 3
1. Pull out the bucket.
2. Hold both sides of the
bucket evenly, and pull
it out from the unit.
Fig. 4
3. Pour the water out.

Page 11
NOTE
When the continuous drain feature is
not being used, remove the drain hose
fromthe outlet.
2. Continuous draining
Water can be automatically emptied into a floor drain
by attaching the unit with a water hose (Id Ø 5/16”,
not included) with a female threaded end (ID: M = 1”,
not included).
• Install the drain hose onto the adaptor A (See Fig. 5,
placed in the bucket).
• Remove the plastic cover from the back drain
outlet of the unit and set aside and remove
bucket,then insert the drain hose through the drain
outlet of the unit and securely press it into the
connector on the front of the unit. (See. Fig. 7)
• Tighten the adaptor A and the unit by using two
screws (placed in the bucket).
• Install the female threaded end of the water
hose into the adaptor A. (See. Fig. 8), then lead
the water hose to the floor drain or a suitable
drainage facility.
• Make sure the hose is secure so there are no leaks.
• Direct the hose toward the drain,
making sure that there are no kinks
that will stop the warter flowing.
• Place the end of the hose into the
drain and make sure the end of the
hose is level or down to let the water
flow smoothly. Do never let it up.
• Place the bucket back in the unit and
make sure that it is located correctly.
• Select the desired humidity setting
and fan speed on the unit for
continuous draining to start.
Operating
Instructions
Fig. 5
Drain Hose Adaptor A
Fig. 6
Platic cover
Drain hose
subassembly
Fig. 7
Connector Drain hose
Fig. 8
Water hose
Female
threaded end

Page 12
Installation Instructions
Installation
Instructions
Positioning the Unit
A dehumidifier operating in a basement will have little or no effect in drying an
adjacent enclosed storage area, such as a closet, unless there is adequate circulation
of air in and out of the area. (See Fig. 9)
• Do not use outdoors.
• This dehumidifer is intended for
indoor residential applications only.
This dehumidifier should not be
used for commercial or industrial
applications.
• Place the dehumidifier on a smooth,
level floor strong enough to support
the unit with a full bucket of water.
• Allow at least 8 inches of air space
on allsides of theunit for good air
circulation.
• Place the unit in an area where the
temperature is between 5°C (41°F)
and 32°C (90°F), and between 30%(RH)
and 80%(RH).Thecoils can become
covered with frostat at lower
temperatures, which may reduce
performance.
• Place the unit away from any clothes
dryer,heater or radiator.
• Use theunit to preventmoisture
damage anywhere books or
valuables arestored.
• Use thedehumidifier in a basement to
help prevent moisture damage.
• The dehumidifier must be operated in
an enclosed area to be most effective.
• Close all doors, windows and other
outsideopenings to the room.
Fig. 9
NOTE
Casters (At four points on the bottom
of unit)
• Casters can move freely.
• Do not force casters to move over
carpet, nor move the unit with water
in the bucket.
(The unit may tip over and spill water.)
Air outlet
grille
Air intake
grille
8"
or more
8" or more16" or more
8''
or more
16"
or more

Page 13
Care and Cleaning
Turn the dehumidifier off and disconnect the plug from the wall before cleaning.
Care and
Cleaning
CAUTION
DO NOT operate the dehumidifier without a filter
because dirt and lint will clog it and reduce performance
1. Clean the Grill and Case
• Use water and a mild detergent. Do not use bleach or
abrasives.
• Do not splash water directly onto the unit. Doing so
may cause an electrical shock, cause the insulation to
deteriorate, or cause the unit to rust.
• The air intake and outlet may get dirty during
operation, use a vacuum cleaner or brush to clean.
2. Clean the bucket
Every few weeks, clean the bucket thoroughly to
prevent growth of mold, mildew and bacteria. Partially
fill the bucket with clean water and mild detergent.
Swish it around in the bucket, empty and rinse.
3. Clean the air filter
• Remove the filter every two weeks based on normal
operating conditions.
• Remove the filter from the top of the unit (See
Fig. 10), or to remove the filter, remove Bucket
then pull filter downwards (See Fig. 11).
• Wash the filter with clean water then dry.
• Re-install the filter, replace bucket.
4. When not using the unit for long time periods
• After turning off the unit, wait one day before
emptying the bucket.
• Clean the unit, water bucket and air filter.
• Wrap the cord and bundle it with the band (Fig. 12).
• Cover the unit with a plastic bag.
• Store the unit upright in a dry, well-ventilated place.
NOTE
Do not use a dishwasher to clean the bucket. After
clean, the bucket must be in place and securely
seated for the dehumidifier to operate.
Fig. 10
Fig. 11
Fig. 12

Page 14
Troubleshooting Tips
Troubleshooting
Tips
Before calling for service, review this list. It may save you time and expense. This list
includes common occurrences that are not the result of defective workmanship or
materials in this appliance.
ProblemSolution
Unit does not
start
Make sure the dehumidifiers plug is connected firmly into the wall
outlet.
Check the house fuse/circuit breaker box.
Dehumidifier has reached its preset level or bucket is full.
Water bucket is not in the proper position.
Dehumidifier
does not dry
the air as it
should
Did not allow enough time to remove the moisture.
Make sure there are no curtains, blinds or furniture blocking the
front or back of the dehumidifier.
The humidity control may not be set low enough.
Check that all doors, windows and other openings are securely
closed.
Room temperature is too low, below 5°C (41°F).
There is a kerosene heater or something giving off water vapor in
the room
The unit
makes a loud
noise when
operating
Air filter may be dirty. Clean filter. Refer to Care and Cleaning
section.
The unit is tilted instead of upright as it should be.
The floor surface is not level.
Frost appears
on the coils This is normal. The dehumidifier has Auto defrost feature.
Water on floor
Hose to connector or hose connection may be loose.
Intend to use the bucket to collect water, but the back drain plug is
removed.
ES, AS, P2 and
EC, appear in
the display
These are error codes and protection code. See the CONTROL
PADS ON THE DEHUMIDIFIER section.

Page 15
Air Conditioner Limited Warranty
Your product is protected by this Limited Warranty:
Warranty service must be obtained from Midea Consumer Services or an authorized Midea servicer.
Warranty
• One year limited warranty from original purchase date.
Midea, through its authorized servicers will:
• Pay all costs for reparing or replacing parts of this appliance which prove to be defective in materials or workmanship.
Consumer will be responsible for:
• Diagnostics, removal, transportation and reinstallation cost required because of service.
• Costs of service calls that are a result of items listed under NORMAL RESPONSABILITIES OF THE CONSUMER**
Midea replacement parts shall be used and will be warranted only for the period remaining on the original warranty.
NORMAL RESPONSABILITIES OF THE CONSUMER**
This warranty applies only to products in ordinary household use, and the consumer is responsible for the items
listed below:
1. Proper use of the appliance in acordance with instructions provided with the product.
2. Routine maintenance and cleaning necessary to keep the good working condition.
3. Proper installation by an authorized service professional in accordance with instructions provided with the
appliance and in accordance with all local plumbing, electrical and/or gas codes.
4. Proper connection to a grouded power supply of sufficient voltage, replacement of blown fuses, repair of loosen
connections or defects in house wiring.
5. Expenses for making the appliance accessible for servicing.
6. Damages to finish after intallation.
EXCLUSIONS
This warranty does not cover the following:
1) Failure caused by damage to the unit while in your possesion (other than damage caused by defect or
malfunction), by its improper installation, or by unreasonable use of the unit, including without limitation, failure to
provide reasonable and necessary maintenance or to follow the written installation and Operating Instructions.
2) Damages caused by services performed by persons other than authorized Midea costumer service; or external
causes such as abuse, misuse, inadequate power supply or acts of God.
3) If the unit is put to commercial, business, rental, or other use or application other than for consumer use, we make
no warranties, express or implied, including but not limited to, any implied warranty of merchantability or fitness
for use or purpose.
4) Products without original serial numbers or products that have serial numbers which have been altered or cannot
be readily determined.
NOTE: Some states do not allow the exclusions or limitation of incidental or consequential damages. So this
limitation or exclusion may not apply to you.
IF YOU NEED SERVICE
Keep your bill of sale, delivery slip, or some other appropriate payment Record.
The date on the bill establishes the warranty period, should service be required.
If service is performed, its your best interest to obtain and keep all receipts.
This written warranty gives you specific legal rights. You may also have other rights that vary from state to state.
Service under this warranty must be obtained by following these steps, in order:
1) Contact Midea Consumer Services or an authorized Midea services at 1 866 646 4332.
2) If there is a question as to where to obtain service, contact our consumer relations Departament.
Warranty
Warranty

90
90
Page 16