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When using the unit

 When first using the dehumidifier, operate the unit
 continuously 24 hours.

This unit is designed to operate with a working 

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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.
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 otherwise 
the unit will not operate properly.

NOTE:

When the water in the bucket reaches to a certain 

level,please be careful to move the machine to avoid it 
falling down.

 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.

Air outlet grille

Air intake
grille

20cm or more

20cm or more

20cm or more

20cm or more

40cm or 
more

Positioning the unit

 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 20cm of air space on all sides of the unit
 for good air circulation.
 Place the unit in an area where the temperature will not

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 fall below 5 C(41 F). The coils can become covered with 

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 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.

OPERATING THE UNIT

Casters(Install at four points on the
bottom of unit)
    

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.)
NOTE:Casters is optional,some 
            models without.

Power Cord and plug

Drain hose outlet

Air intake grille
 
Air filter (behind the grill)

Front

Rear

Air outlet grille

Caster

Identification of parts

Fig.2

Fig.3

Water bucket

Control panel

Handle (both sides)

Water level window

1

2

3

4

5

1

2

3

4

NOTE: All the pictures in the manual are 
for explanation purposes only. The actual 
shape of the unit you purchased may be 
slightly different, the actual shape shall
prevail. The operations and functions are 
the same.
             

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4

5

1

2

3

1

2

3

Power cord Buckle(Used 
only when storing the unit.)

6

Fig.4

IDENTIFICATION OF PARTS

Summary of Contents for MDDF-16DEN7-QA3

Page 1: ... 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 GD MIDEA AIR CONDITIONING EQUIPMENT CO LTD Lingang Road Beijiao Shunde Foshan Guangdong People s Republic of China 528311 MODEL MDDF 16DEN7 QA3 REFRIGERANT R290 0 075kg MODEL MDDF 20DEN7 QA3 REFRIGERANT R290 0 075kg ...

Page 2: ...sed of at least free of charge to the user B When buying a new product the retailer will take back the old product at least free of charge C The manufacture will take back the old appliance for disposal at least free of charge to the user D 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 ...

Page 3: ...or other foreign objects into grills or openings Take special care to warn children of these dangers Do not use in areas where chemicals are handled This will cause the unit deterioration due to chemicals and solvents dissolved in the air Care should be taken when using the unit in a room with the following persons Infants children elderly people and people not sensitive to humidity You may be inj...

Page 4: ...burn Be aware that the refrigerants may not contain an odour C Appliance should be installed operated and stored in a room with a floor area 2 larger than 4 m ompliance 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 v...

Page 5: ...fected 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 1 Transport of equipment containing flammable refrigerants See transport regulations 2 ...

Page 6: ...aximum working pressure of the cylinder even temporarily j When the cylinders have been filled correctly and the process completed make sure that the cylinders and 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 Intr...

Page 7: ...lves 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 1...

Page 8: ...m humidity level in a range of 30 RH Relative Humidity to 90 RH Relative Humidity Error Codes and Protection Codes AS Humidity sensor module error Unplug the unit and plug it back in If error repeats call for service 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 For some models the fan motor will continue opera...

Page 9: ...ustrial 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 Place the unit in an area where the temperature will not O O fall below 5 C 41 F The coils can become covered with O O frost at temperatures below 5 C 41 F which may reduce performance Pl...

Page 10: ...sily so use a vacuum attachment or brush to clean 2 Clean the bucket 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 t...

Page 11: ...or 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 or P2 appear in the display These are error codes and protection codes See the CONTROL PADS ON THE DEHUMIDIFIER section 19 19 NOTE The cabinet a...

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