Midea MDDQ12 Repair manual

DEHUMIDIFIER
Owner’s Manual &
Installation Manual
IMPORTANT NOTE:
Read this manual carefully before installing
or operating your new machine.
Make sure to save this manual for future reference.
MDDQ12

Safety Precautions .....................................................................................................................03
Safety Precautions
Preparation
Operating Instructions
Care and Maintenance
Table of Contents
Control Panel Features...............................................................................................................13
Other features........................................................................................................................... 15
Clean the grille and case...........................................................................................................17
Clean the bucket ......................................................................................................................17
Troubleshooting Tips .................................................................................................................18
Clean the air filter ....................................................................................................................17
When not using the unit for long time periods .........................................................................18
Identification of parts.................................................................................................................11
Design Notice.............................................................................................................................11
Positioning the unit.....................................................................................................................12
When using the unit...................................................................................................................12
Troubleshooting Tips
Removing the collected water....................................................................................................16

Safety Precautions
Safety
Read Safety Precautions Before Operation and Installation
To prevent death or injury to the user or other people and property damage, the
following instructions must be followed. Incorrect operation due to ignoring of
instructions may cause death, harm or damage.
WARNING
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Safety Precautions
 Page 3
WARNING CAUTION
This symbol indicates the possibility of
property damage or serious consequences.
Do not exceed the rating of the power outlet or connection device.
Do not operate or stop the unit by switching on or off the power.
Do not damage or use an unspecified power cord.
Do not modify power cord length or share the outlet with other appliances.
Do not insert or pull out plug with wet hands.
Do not install the appliance in a location that may be exposed to combustible gas.
Do not place the unit near a heat source.
Disconnect the power if strange sounds, smell, or smoke comes from it.
You should never try to take apart or repair the unit by yourself.
Before cleaning, turn off the power and unplug the unit.
Do not use the machine near flammable gas or combustibles, such as gasoline, benzene,
thinner, etc.
Do not drink or use the water drained from the unit.
Do not take the water bucket out during operation.
Do not use the unit in small spaces.
Do not put in places where water may splash onto the unit.
Place the unit on a level, sturdy section of the floor.
Do not cover the intake or exhaust openings with cloths or towels.
Care should be taken when using the unit in a room with the following persons: infants,
children, elderly people,and people not senstive to humidity.
Do not use in areas where chemicals are handled.
Never insert your finger or other foreign objects into grills or openings. Take special care to
warn children of these dangers.
Do not place heavy object on the power cord and take care so that the cord is not compressed.
Do not climb up on or sit on the unit.
Always insert the filters securely. Clean filter once every two weeks.
If water enters the unit, turn the unit off and disconnect the power , contact a qualified service
technician.
Do not place flower vases or other water container on top of the unit.
Do not use extension cords.
This symbol indicates the possibility of
personnel injury or loss of life.

Safety Precautions
 Page 4
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CAUTION
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This appliance can be used by children aged from 8 years and above and person with reduced
physical, sensory or mental capabilities or lack of experience and knowledge if they have been
given supervision or instruction concerning use of the appliance in a safe way and understand
the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance
shall not be made by children without supervision. (be applicable for the European Countries)
This appliance is not intended for use by persons (including childern) with reduced physical,
sensory or mental capabilities or lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the appliance by a person responsible for
their safety. Children should be supervised to ensure that they do not play with the appliance.
(be applicable for other countries except the European Countries )
If the supply cord is damaged, it must be replaced by the manufacturer,its service agent or
similarly qualified persons in order to avoid a hazard.
Prior to cleaning or other maintenance, the appliance must be disconnected from the supply
mains.
Do not install the appliance in a location that may be exposed to combustible gas. If
combustible gas accumulates around the unit, it may cause fire.
If the appliance is knocked over during use, turn off the unit and unplug it from the main power
supply immediately. Visually inspect the unit to ensure there is no damage. If you suspect the
unit has been damaged, contact a technician or customer service for assistance.
In a thunderstorm, the power must be cut off to avoid damage to the machine due to lightning.
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 from traffic area
and where it will not be tripped over.
Do not operate unit with a damaged cord or plug. Discard unit or return to an authorized
service facility for examination and/or repair.
To reduce the risk of fire or electric shock, do not use this fan with any solid-state speed control
device.
The appliance shall be installed in accordance with national wiring regulations.
Contact the authorised service technician for repair or maintenance of this unit.
Turn off the product when not in use.
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(please
refer to the nameplate for the electrical data), have a qualified electrician install the proper
receptacle.
Do not operate your air conditioner in a wet room such as a bathroom or laundry room.
The unit s circuit board(PCB) is designed with a fuse to provide overcurrent protection.
The specifications of the fuse are printed on the circuit board, such as: T3.15A/250V (or 350V), etc.

Safety Precautions
 Page 5
Note about Fluorinated Gasses(Not applicable to the unit using R290 Refrigerant)
1. Fluorinated greenhouse gases are contained in hermetically sealed equipment. For specific
information on the type, the amount and the CO2equivalent in tonnes of the fluorinated
greenhouse gas(on some models), please refer to the relevant label on the unit itself.
2. Installation, service, maintenance and repair of this unit must be performed by a certified
technician.
3. Product uninstallation and recycling must be performed by a certified technician.
Sociable Remark
DISPOSAL: Do not dispose this product as unsorted municipal waste. Collection of such waste
separately for special treatment is necessary.
It is prohibited to dispose of this appliance in domestic household waste.
For disposal, there are several possibilities:
When using this dehumidifier in the European countries, the following information
must be followed:
· The municipality has established collection systems, where electronic waste can be disposed
of at least free of charge to the user.
· When buying a new product, the retailer will take back the old product at least free of charge.
· The manufacture will take back the old appliance for disposal at least free of charge to the user.
· As old products contain valuable resources, they can be sold to scrap metal dealers. Wild
disposal of waste in forests and landscapes endangers your health when hazardous
substances leak into the ground-water and find their way into the food chain.
UV-C lamp(Applicable to the unit contains an UV-C lamp only)
WARNING
This appliance contains an UV emitter. Do not stare at the light source.
This appliance contains a UV-C lamp. Read the maintenance instructions before opening the appliance.
1. Do not operate UV-C lamps outside of the appliance.
2. Appliances that are obviously damaged must not be operated.
3. Unintended use of the appliance or damage to the housing may result in the escape of dangerous UV-C
radiation. UV-C radiation may, even in small doses, cause harm to the eyes and skin.
4. Before opening doors and access panels bearing the ULTRAVIOLET RADIATION hazard symbol
for the conducting USER MAINTENANCE, it is recommended to disconnect the power.
5. The UV-C lamp can not be cleaned, repaired and replaced.
6. UV-C BARRIERS bearing the ULTRAVIOLET RADIATION hazard symbol should not be removed.

Safety Precautions
Page 6 
WARNING for Using R32/R290 Refrigerant
Do not use means to accelerate the defrosting process or to clean, other than those recommended by
the manufacturer.
The appliance shall be stored in a room without continuously operating ignition sources (for example:
open flames, an operating gas appliance or an operating electric heater).
Do not pierce or burn.
Be aware that the refrigerants may not contain an odour.
Compliance with national gas regulations shall be observed.
Keep ventilation openings clear of obstruction.
The appliance shall be stored so as to prevent mechanical damage from occurring.
A warning that the appliance shall be stored in a well-ventilated area where the room size corresponds
to the room area as specified for operation.
Any person who is involved with working on or breaking into a refrigerant circuit should hold a current
valid certificate from an industry-accredited assessment authority, which authorises their competence
to handle refrigerants safely in accordance with an industry recognised assessment specification.
Servicing shall only be performed as recommended by the equipment manufacturer. Maintenance
and repair requiring the assistance of other skilled personnel shall be carried out under the supervision
of the person competent in the use of flammable refrigerants.
The appliance shall be stored in a room without continuously operating open flames (for example an
operating gas appliance) and ignition sources (for example an operating electric heater).
Appliance should be installed, operated and stored in a room with a floor area according to the amount
of refrigerant to be charged. For specific information on the type of gas and the amount, please refer
to the relevant label on the unit itself.
Appliance should be installed, operated and stored in a room with a floor area larger than 4 m .
Caution: Risk of fire/
flammable materials
Explanation of symbols displayed on the unit(For the unit adopts R32/R290 Refrigerant only):
WARNING
CAUTION
CAUTION
CAUTION
This symbol shows that this appliance used a flammable refrige-
rant. If the refrigerant is leaked and exposed to an external
ignition source, there is a risk of fire.
This symbol shows that the operation manual should be read
carefully.
This symbol shows that a service personnel should be handling
this equipment with reference to the installation manual.
This symbol shows that information is available such as the
operating manual or installation manual.
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Safety Precautions
Page 7 
precautions shall be complied with prior to conducting work on the system.
2)Work procedure
Work shall be undertaken under a controlled procedure so as to minimise the risk of a flammable gas or
vapour being present while the work is being performed.
6.Information on servicing
1)Checks to the area
Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to
ensure that the risk of ignition is minimised. For repair to the refrigerating system, the following
1.Transport of equipment containing flammable refrigerants
See transport regulations
2.Marking of equipment using signs
See local regulations
3.Disposal of equipment using flammable refrigerants
See national regulations.
4.Storage of equipment/appliances
The storage of equipment should be in accordance with the manufacturer's instructions.
5.Storage of packed (unsold) equipment
Storage package protection should be constructed such that mechanical damage to the equipment
inside the package will not cause a leak of the refrigerant charge. The maximum number of pieces of
equipment permitted to be stored together will be determined by local regulations.
3)General work area
All maintenance staff and others working in the local area shall be instructed on the nature of work
being carried out. Work in confined spaces shall be avoided. The area around the workspace shall be
sectioned off. Ensure that the conditions within the area have been made safe by control of flammable
material.
4)Checking for presence of refrigerant
The area shall be checked with an appropriate refrigerant detector prior to and during work, to ensure
the technician is aware of potentially flammable atmospheres. Ensure that the leak detection
equipment being used is suitable for use with flammable refrigerants, i.e. non-sparking, adequately
sealed or intrinsically safe.
5)Presence of fire extinguisher
If any hot work is to be conducted on the refrigeration equipment or any associated parts, appropriate
fire extinguishing equipment shall be available to hand. Have a dry powder or CO
2 fire extinguisher
adjacent to the charging area.
6)No ignition sources
No person carrying out work in relation to a refrigeration system which involves exposing any pipe
work that contains or has contained flammable refrigerant shall use any sources of ignition in such a
manner that it may lead to the risk of fire or explosion. All possible ignition sources, including cigarette
smoking, should be kept sufficiently far away from the site of installation, repairing, removing and
disposal, during which flammable refrigerant can possibly be released to the surrounding space. Prior
to work taking place, the area around the equipment is to be surveyed to make sure that there are no
flammable hazards or ignition risks. No Smoking signs shall be displayed.
7)Ventilated area
Ensure that the area is in the open or that it is adequately ventilated before breaking into the system or
conducting any hot work. A degree of ventilation shall continue during the period that the work is carried
out. The ventilation should safely disperse any released refrigerant and preferably expel it externally into
the atmosphere.

Safety Precautions
Page 8 
Repair and maintenance to electrical components shall include initial safety checks and component
inspection procedures. If a fault exists that could compromise safety, then no electrical supply shall be
connected to the circuit until it is satisfactorily dealt with. If the fault cannot be corrected immediately
but it is necessary to continue operation, an adequate temporary solution shall be used. This shall be
reported to the owner of the equipment so all parties are advised.
Initial safety checks shall include:
That capacitors are discharged: this shall be done in a safe manner to avoid possibility of sparking;
That there no live electrical components and wiring are exposed while charging, recovering or purging
the system; That there is continuity of earth bonding.
8)Checks to the refrigeration equipment
Where electrical components are being changed, they shall be fit for the purpose and to the correct
specification. At all times the manufacturer's maintenance and service guidelines shall be followed. If in
doubt consult the manufacturer's technical department for assistance. The following checks shall be
applied to installations using flammable refrigerants:
The charge size is in accordance with the room size within which the refrigerant containing parts are
installed;
The ventilation machinery and outlets are operating adequately and are not obstructed;
If an indirect refrigerating circuit is being used, the secondary circuit shall be checked for the presence
of refrigerant; Marking to the equipment continues to be visible and legible. Markings and signs that
are illegible shall be corrected;
Refrigeration pipe or components are installed in a position where they are unlikely to be exposed
1)During repairs to sealed components, all electrical supplies shall be disconnected from the equipment
being worked upon prior to any removal of sealed covers, etc. If it is absolutely necessary to have an
electrical supply to equipment during servicing, then a permanently operating form of leak detection
shall be located at the most critical point to warn of a potentially hazardous situation.
2)Particular attention shall be paid to the following to ensure that by working on electrical components,
the casing is not altered in such a way that the level of protection is affected. This shall include damage
to cables, excessive number of connections, terminals not made to original specification, damage to
seals, incorrect fitting of glands, etc. Ensure that apparatus is mounted securely. Ensure that seals or
sealing materials have not degraded such that they no longer serve the purpose of preventing the
ingress of flammable atmospheres. Replacement parts shall be in accordance with the manufacturer's
specifications.
NOTE: The use of silicon sealant may inhibit the effectiveness of some types of leak detection
equipment. Intrinsically safe components do not have to be isolated prior to working on them.
9)Checks to electrical devices
7.Repairs to sealed components
Do not apply any permanent inductive or capacitance loads to the circuit without ensuring that this will
not exceed the permissible voltage and current permitted for the equipment in use. Intrinsically safe
components are the only types that can be worked on while live in the presence of a flammable
atmosphere. The test apparatus shall be at the correct rating. Replace components only with parts
specified by the manufacturer. Other parts may result in the ignition of refrigerant in the atmosphere
from a leak.
8.Repair to intrinsically safe components
to any substance which may corrode refrigerant containing components, unless the components are
constructed of materials which are inherently resistant to being corroded or are suitably protected
against being so corroded.

Safety Precautions
Page 9 
and shall be calibrated to the refrigerant employed and the appropriate percentage of gas (25 %
maximum) is confirmed. Leak detection fluids are suitable for use with most refrigerants but the use of
detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and
corrode the copper pipe-work. If a leak is suspected, all naked flames shall be removed/ extinguished.
If a leakage of refrigerant is found which requires brazing, all of the refrigerant shall be recovered from
the system, or isolated (by means of shut off valves) in a part of the system remote from the leak.
Oxygen free nitrogen (OFN) shall then be purged through the system both before and during the
brazing process.
When breaking into the refrigerant circuit to make repairs or for any other purpose conventional
procedures shall be used. However, it is important that best practice is followed since flammability is a
consideration. The following procedure shall be adhered to:
Remove refrigerant; Purge the circuit with inert gas; Evacuate; Purge again with inert gas; Open the
circuit by cutting or brazing.
The refrigerant charge shall be recovered into the correct recovery cylinders. The system shall be flushed
with OFN to render the unit safe. This process may need to be repeated several times. Compressed air or
oxygen shall not be used for this task. Flushing shall be achieved by breaking the vacuum in the system
with OFN and continuing to fill until the working pressure is achieved, then venting to atmosphere, and
finally pulling down to a vacuum. This process shall be repeated until no refrigerant is within the system.
When the final OFN charge is used, the system shall be vented down to atmospheric pressure to enable
work to take place. This operation is absolutely vital if brazing operations on the pipe-work are to take
place. Ensure that the outlet for the vacuum pump is not close to any ignition sources and there is
ventilation available.
10.Detection of flammable refrigerants
The following leak detection methods are deemed acceptable for systems containing flammable
refrigerants. Electronic leak detectors shall be used to detect flammable refrigerants, but the sensitivity
may not be adequate, or may need re-calibration. (Detection equipment shall be calibrated in a
refrigerant-free area.) Ensure that the detector is not a potential source of ignition and is suitable for
the refrigerant used. Leak detection equipment shall be set at a percentage of the LFL of the refrigerant
11.Leak detection methods
Check that cabling will not be subject to wear, corrosion, excessive pressure, vibration, sharp edges or
any other adverse environmental effects. The check shall also take into account the effects of aging or
continual vibration from sources such as compressors or fans.
9.Cabling
12.Removal and evacuation
13.Charging procedures
In addition to conventional charging procedures, the following requirements shall be followed. Ensure
that contamination of different refrigerants does not occur when using charging equipment. Hoses or
lines shall be as short as possible to minimise the amount of refrigerant contained in them.
Cylinders shall be kept upright.
Ensure that the refrigeration system is earthed prior to charging the system with refrigerant.
Label the system when charging is complete (if not already).
Extreme care shall be taken not to overfill the refrigeration system. Prior to recharging the system it
shall be pressure tested with OFN. The system shall be leak tested on completion of charging but prior
to commissioning. A follow up leak test shall be carried out prior to leaving the site.
Under no circumstances shall potential sources of ignition be used in the searching for or detection
of refrigerant leaks. A halide torch (or any other detector using a naked flame) shall not be used.

Safety Precautions
Page 10 
cylinders. (No more than 80 % volume liquid charge). i) Do not exceed the maximum working
pressure of thecylinder, even temporarily. j) When the cylinders have been filled correctly and the
process completed, make sure that the cylinders and the equipment are removed from site promptly
and all isolation valves on the equipment are closed off. k) Recovered refrigerant shall not be charged
into another refrigeration system unless it has been cleaned and checked.
15.Labelling
Equipment shall be labelled stating that it has been de-commissioned and emptied of refrigerant. The
label shall be dated and signed. Ensure that there are labels on the equipment stating the equipment
contains flammable refrigerant.
16.Recovery
When removing refrigerant from a system, either for servicing or decommissioning, it is recommended
good practice that all refrigerants are removed safely. When transferring refrigerant into cylinders,
ensure that only appropriate refrigerant recovery cylinders are employed. Ensure that the correct
number of cylinders for holding the total system charge is available. All cylinders to be used are
designated for the recovered refrigerant and labelled for that refrigerant (i.e. special cylinders for the
recovery of refrigerant). Cylinders shall be complete with pressure relief valve and associated shut-off
valves in good working order. Empty recovery cylinders are evacuated and, if possible, cooled before
recovery occurs. The recovery equipment shall be in good working order with a set of instructions
concerning the equipment that is at hand and shall be suitable for the recovery of flammable refrigerants.
In addition, a set of calibrated weighing scales shall be available and in good working order. Hoses shall
be complete with leak-free disconnect couplings and in good condition. Before using the recovery
machine, check that it is in satisfactory working order, has been properly maintained and that any
associated electrical components are sealed to prevent ignition in the event of a refrigerant release.
Consult manufacturer if in doubt. The recovered refrigerant shall be returned to the refrigerant supplier
in the correct recovery cylinder, and the relevant Waste Transfer Note arranged. Do not mix refrigerants
in recovery units and especially not in cylinders. If compressors or compressor oils are to be removed,
ensure that they have been evacuated to an acceptable level to make certain that flammable refrigerant
does not remain within the lubricant. The evacuation process shall be carried out prior to returning the
compressor to the suppliers. Only electric heating to the compressor body shall be employed to
accelerate this process. When oil is drained from a system, it shall be carried out safely.
Before carrying out this procedure, it is essential that the technician is completely familiar with the
equipment and all its detail. It is recommended good practice that all refrigerants are recovered safely.
Prior to the task being carried out, an oil and refrigerant sample shall be taken in case analysis is
required prior to re-use of reclaimed refrigerant. It is essential that electrical power is available before
the task is commenced.
14.Decommissioning
a) Become familiar with the equipment and its operation. b) Isolate system electrically. c) Before
attempting the procedure ensure that: Mechanical handling equipment is available, if required, for
handling refrigerant cylinders;All personal protective equipment is available and being used correctly;
The recovery process is supervised at all times by a competent person; Recovery equipment and
cylinders conform to the appropriate standards. d) Pump down refrigerant system, if possible. e) If a
vacuum is not possible, make a manifold so that refrigerant can be removed from various parts of the
system. f) Make sure that cylinder is situated on the scales before recovery takes place. g) Start the
recovery machine and operate in accordance with manufacturer's instructions. h) Do not overfill

front rear
Preparation
Page 11 
Identification of parts
NOTE:
All the illustrations in the manual are for explanation purpose only. Your machine may be slightly different.
The actual shape shall prevail. The unit can be controlled by the unit control panel alone or with the remote
controller. This manual does not include Remote Controller Operations, see the <<Remote Controller
Instruction>> packed with the unit for details.
control panel
air outlet grille
water bucket
caster(on some models)
Preparation
drain hose outlet
air intake grille
power cord and plug
water level window
handle
Model A
Model C
Model B
front rear
control panel
air outlet grille
guick glance light
water bucket
handle
caster(on some models)
drain hose outlet
air intake grille
power cord and plug
water level window
front rear
control panel
air outlet grille
water bucket
handle
caster(on some models)
drain hose outlet
air intake grille
power cord and plug
water level window

When first using the dehumidifier in Continuous
dehumidifying mode , make sure the connection
of the water hose and the drain hose outlet of
the unit is tight and do not let the water leak.
This unit is designed to operate with a working
environment between 5 C/41 F and 32 C/90 F ,
and between 30%(RH) and 80%(RH).
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.
applications only. This dehumidifer 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 20cm of air space on all sides of the unit
for good air circulation (at least 40cm of air space on
air outlet).
Place the unit in an area where the temperature will
not fall below 5 C(41 F). The coils can become covered
with frost at temperatures below 5 C(41 F), which may
reduce performance.
Place the unit away from the clothes dryer, heater or
radiator.
Use the unit to prevent moisture damage anywhere
books or valuables are stored.
Use the dehumidifier 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 outside openings
to the room.
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.
Do not use outdoors.
This dehumidifer is intended for indoor residential
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.)
Page 12 
Positioning the unit
When using the unit
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Design Notice
In order to ensure the optimal performance of our products, the design specifications of the unit are subject
to change without prior notice.
20cm or more
40cm or more
20cm or more
20cm or more
40cm ormore
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 correctly fitted other-
wise the unit will not operate properly.
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NOTE:When the water in the bucket reaches to a
certain level,please be careful to move the machine
to avoid it falling down.
Preparation

· In Setting dehumidifying mode, the set indicator light
illuminates.
Page 13 
Operating Instructions
Control Panel Features
Note: The following control panels are for explanation purpose only. The control panel of the unit you
purchased may be slightly different according to the models. Your machine may not contain some indicators or
buttons. The actual shape shall prevail.
Operating
Instructions
· Press to turn the dehumidifier on and off.
Power / button
Mode/ button
· Press to select the desired operation mode from Setting
dehumidifying, Dryer model, Smart dehumidifying, Con-
tinuous dehumidifying and Fan mode(on some models).
Note: In Continuous dehumidifying, Dryer and Smart
dehumidifying modes, the humidity setting can‘t be
adjusted.
In Fan mode the unit do not dehumidify.
Install the HEPA(High Efficiency Particulate Air), the
unit can not adjust mode and the HEPA light will
illuminate.
Indicator FunctionIndicator FunctionIndicator Function
Fan speed button
Lock light
Power button
Timer button / light
Mode button Fresh button
UP and Down button
stop feature. When the unit is off, press this button
to activate the Auto start feature.
· Press or hold the and button 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.
· Turning the unit ON or OFF at any time or adjusting
the timer setting to 0.0 will cancel the Auto start or
Auto stop feature.
· When LED display window displays the code of P2,
the Auto start or Auto stop feature will also be
cancelled.
Timer / button
/
//
Water full light
UV light
Fresh light
Wireless light
Quick glance light button
/
· Press to initiate the Auto start or Auto stop feature,
in conjuction with the and buttons. When the
unit is on, press the Timer button to activate the Auto

UP( )/DOWN( ) buttons
Page 14 
Operating
Instructions
· Humidity Set Control buttons
· TIMER Set Control buttons
Use the Up/Down buttons to set the Auto start
and Auto stop time from 0.0 to 24.
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 button
and set to a lower percent value(%). For damper air,
press the button and set a higher percent value(%).
Display(On some models)
· Shows the set % humidity level from 35% to 85%
or auto start/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:
EH60-Humidity sensor error--Unplug the unit and
plug it back in. If error repeats, call for service;
EH61-Tube Temperature sensor of the evaporator
error-- Unplug the unit and plug it back in. If
error repeats, call for service;
EH02-Zero-crossing signal detection error; If error
repeats, call for service;
EH03-Indoor fan speed malfunction; If error repeats,
call for service;
EH0b-Indoor PCB and display board communication
error; If error repeats, call for service;
Protection Code:
P2-Bucket is full or bucket is not in right position--
Empty the bucket and replace it in the right
position. On some models, the water full light
illuminates.
Note: When one of the above malfunctions occurs,
turn off the unit, and check for any obstructions.
Restart the unit, if the malfunction is still present,
turn off the unit and unplug the power cord.
Contact the manufacturer or its service agents or a
similar qualified person for service.
FAN speed/ button
· Control the fan speed.Press to select fan speed
in three steps-low, med and high.The fan speed
indicator light illuminates under different fan
speed settings.
· Press and hold the Fan speed button for 3 seconds
to eliminate filter reminder, when the filter light
flickers (On some models) .
Note: The unit operates for 250 hours, then enter
filter clean reminder.
indicator light illuminates. All current settings are
locked, and the control panel will not accept any
operation except of the LOCK.
· Press and hold these two buttons button again to
cancel the
LOCK feature .
FRESH / button(On some models)
· Press FRESH buttons to initiate FRESH feature,
and the fresh indicator light illuminates(The fresh
indicator light and the UV indicator light illuminate
at the same time on some models; Only the UV
indicator light illuminate on some models ).The ion
generatoris energized and UV (UltraViolet) feature
will help to purify the air inside.Press FRESH buttons
again to stop FRESH feature, and the fresh indicator
light turns dark.
Wireless button(On some models)
· If connection (router) is successful within 8 minutes,
the unit will exit Wireless connection mode automa-
tically and the Wireless indicator illuminates and the
unit enters the previous function. If connection is
failure within 8 minutes, the unit exits the Wireless
connection mode automatically.
· Press and hold on the POWER button for 3 seconds
to initiate the Wireless connection mode. The LED
DISPLAY shows’AP’ to indicate you can set Wireless
connection.
Quick glance light / button(On some models)
· Press buttons to
illuminate the quick glance
light
or turn quick glance light dark.
· When the humidity is more than 65%, the quick
glance light will emit red light.
· When the humidity range is at 45% to 65%, the
quick glance light will emit green light.
· When the humidity is lower than 45%, the quick
glance light will emit yellow light.
NOTE: When the unit is connecting to internet, the
quick glance light will flash white light.
NOTE: When bucket full or clean filter is on, the quick
glance light will emit orange light and turn off 1sec
every 4 sec.
LOCK feature(On some models)
· Press and hold on the Up and Down buttons
for 3 seconds to initiate LOCK feature, and the Lock

Operating
Instructions
Wait 3 minutes before resuming operation
· After the unit has stopped, it can not be restart
operation in the first 3 minutes.This is to protect
the unit. Operation will automatically start after
3 minutes.
Page 15 
Other features
Bucket Full Light
· Glows when the bucket is ready to be emptied, or
when the bucket is removed or not replaced in the
proper position.
Auto Defrost
· When forst builds up on the evaporator coils, the
compressor will cycle off and the fan will continue
to run until the frost disappears.
· For some models, the fan motor will continue to
run for 30 seconds.
Auto Shut Off
· The dehumidifier shuts off when the bucket is full,
or when the bucket is removed or not replaced in
the proper position.
UV Light
· For some models, The UV feature will help to purify
the air inside.
Fresh Light
· For some models, The ion generatoris energized and will
help to purify the air inside.
FILTER/HEAP light
· The check filter feature is a reminder to clean
the Air Filter for more efficient operation. The
Filter light(HEPA light) will flicker after 250 hours
of operation. To reset after cleaning the filter ,
press the Fan button for 3 seconds and the light
will go off.
HEPA filter
· Install the HEPA(High Efficiency Particulate Air),
the unit will only operate under fan mode, and
the HEPA light will illuminate.
· Make sure you have fitted the HEPA filter as
indicated in fig1-4.
Auto-Restart
· If the unit breaks off unexpectedly due to the
power cut, it will restart with the previous
function setting automatically when the power
resumes
Continuous dehumidifying mode
· At continuous dehumidifying mode, the unit
dehumidify continuously and cannot select
humidity. Press mode button to exit continuous
dehumidifying mode.
Smart dehumidifying mode
· At smart dehumidifying mode, the unit will auto-
-matically control room humidity in a comfortable
range 45%~55% according to the room temper-
ature.The humidity setting function will be invalid.
Setting dehumidifying mode
· At setting dehumidifying mode, the unit can be
adjusted in arange 35%~85%, and the humidity
setting can be adjusted(increase/decreasing) in
5%. Press MODE button to exit setting dehumi-
-difying mode.
Dryer mode(On some models)
The unit can make the MAX dehumidification fun-
ction when it is under Dryer mode. The fan speed
can’t be adjusted.
Note:
1. The Dryer(model dependent) mode must be ope-
rated in a close room,do not open the door and
window.
2. To make the best effective
dehumidification, please first
dehydrate the wet clothes.
3. Make sure to direct
airflow at the wet clothes.
4. For thick and heavy wet
clothes may not get
the best effective
dehumidification.
30~50cm
Wet clothes
30~50cm
Airflow
Allow 30~50cm
of distance on the
top and right side
of the unit to the
wet clothes.
HEPA filter
filter
Fig2. Insert the lower side of the
HEAP filter into the unit.
Fig1.Remove the filter
Fig3.Clip the upper side as shown. Fig4.Install the filter

Removing the collected water
Operating
Instructions
There are two ways to remove collected water.
1. Use the bucket
· When the bucket is full, the unit will automati-
cally stop running, and the Full indicator light
will flash.
· 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 floor because the bottom of the
bucket is uneven. Otherwise the bucket will
fall and cause the water to spill.
· Throw away the water from the water outlet
and replace the bucket. The bucket must be
in place and securely seated for the dehumid-
ifier to operate.The machine will re-start when
the bucket is restored in its correct position.
1. Pull out the bucket a little.
2. Hold both sides of the bucket with even
strength, and pull it out from the unit.
Water can be automatically emptied into a floor drain
by attaching the unit with a water hose(Φ16.5*13.5
mm)(not included).
· Remove the plastic konck-out panel from the upper
side of the bucket.
· Make sure the water hose is lower than the drain hose
outlet.
2. Continuous draining
Note:
· When you remove the bucket, do not touch
anyparts inside of 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.
Note:
· When the continuous drain feature is not being
used,remove the drain hose from the outlet.
· Use needle nose pliers if the plastic panel is too difficult
to remove by hand.
· Burrs may hurt hand while connecting the drain hose.
Please using a reamer or a deburring tool to remove
all burrs from the cut section of the panel.
3. Pour the water out.(The bucket of the unit you
purchased may be slightly different)
Water outlet
Do not block water flow by a rise. Do not block water flow by a retortion.

Page 16

· Insert the water hose into the unit from the drain
outlet in the back of the unit.
· Attach the water hose to the drain hose outlet of the
unit.
· Make sure the connection of the water hose and the
drain hose outlet of the unit is tight and do not let the
water leak.
Remove the
konck-out panel
Insert the water
hose from the
drain outlet
Remove all burrs from
the cut section of the
panel.
· Then lead the water hose to the floor drain or a
suitable drainage facility .The drainage facilify should
be lower than the drain outlet of the unit. Be sure to
run the water hose sloping downward and let the
water to flow out smoothly . Do not install the water
hose.

Clean the bucket
Clean the air filter
Clean the Grille and Case
Care and Maintenance
· Use water and a mild detergent. Do not use bleach or abrasives.
· Do not splash water directly onto the main unit. Doing so may cause an electrical shock, cause
the insulation to deteriorate, or cause the unit to rust.
· The air intake and outlet grilles get soiled easily, so use a vacuum attachment or brush to clean.
Care and cleaning of the dehumidifier
Turn the dehumidifier off and remove the plug from the wall outlet before cleaning.
Every few weeks, clean the bucket to prevent growth of mold, mildew and bacteria. Partially
fill the bucket with clean water and add a little mild detergent. Swish it around in the bucket,
empty and rinse.
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.
Note:The cabinet and front may be dusted with an oil-free cloth or washed with a cloth
dampened in a solution of warm water and mildliquid dishwashing detergent. Rinse
thoroughly and wipe dry. Never use harsh cleansers, wax or polish on the cabinet front.
Be sure to wring excess water from the cloth before wiping around the controls. Excess
water in or around the controls may cause damage to the unit.
The air filter behind the front grille should be checked and cleaned at least every two weeks or
more often if necessary.
NOTE: DO NOT RINSE OR PUT THE FILTER IN AN AUTOMATIC DISHWASHER.
To remove:
· Grip the tab on the filter and pull it outward,
then pull it up.
· Clean the filter with warm, soapy water. Rinse
and let the filter dry before replacing it. Do not
clean the filter in a dishwasher.
To attach:
· Insert the air filter into the unit from underside
to upside.
CAUTION
DO NOT operate the dehumidifier without a
filter because dirt and lint will clog it and
reduce performance.
Page 17 
Care and Maintenance

When not using the unit for long time periods
· After turning off the unit, wait one day before emptying the bucket.
· Clean the main unit, water bucket and air filter.
· Cover the unit with a plastic bag.
· Store the unit upright in a dry, well-ventilated place.
Page 18 
Troubleshooting Tips
Problem What to check
Troubleshooting Tips
o o
Before calling for service, review the chart below first yourself.
Unit does not start
· Make sure the dehumidifiers plug is pushed completely into the 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.
· The air filter is clogged.
· The unit is tilted instead of upright as it should be.
· The floor surface is not level.
· Hose to connector or hose connection may be loose.
· This is normal. The dehumidifier has Auto defrost feature.
· These are error codes and protection codes. See the CONTROL PANEL
FEATURES section.
· Do 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.
Dehumidifier does not
dry the air as it should
The unit makes a loud
noise when operating
Frost appears on the coils
Water on floor
EH60,EH61,EH02,EH03,
EH0b,P2 appear in the
display

CD001-DQ
The design and specifications are subject to change without prior notice for
product improvement. Consult with the sales agency or manufacturer for details.
Any updates to the manual will be uploaded to the service website, please check
for the latest version.