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Master DH 721 P User Manual

Master DH 721 P
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10. Low ventilation indicator
11. High ventilation indicator
12. Humidity/Temperature display
Operation
1. Plug the unit into a correct mains socket. (Please refer
to the rating label at the rear of the unit for correct vol-
tage/frequency.)
2. Press ON/OFF button to turn on the unit. The compres-
sor will start to work.
3. Press humidity setting button to set the working model
you need: continuous working, humidity 40%~80%;
the display window will show humidity setting percen-
tage (if setting from 40%~80%, the humidity range will
be up or down 5% on each single setting).
4. Press speed/ventilation button to set the ventilation
speed, high or low. The relative indicator will light on.
5. Press the TIMER button to set the operating hour you
need (1~24 hours). The display window will show the
hour(s) you set as you press the TIMER button, after
releasing it for 8 seconds around, the display window
will return to the room humidity. As the set time has
been reached, the compressor will stop working auto-
matically.
6. By pressing the ”TEMP” button, the display window will
show the room temperature, after releasing the button
for 8 seconds around, the display window will return to
the room humidity.
7. To turn off the unit, press ON/OFF button again.
8. Pre-setting function By pressing TIMER button but wit-
hout turning on the other functions (including ON/OFF
button), you can PRE-SET the time for the machine to
work. For example, if you press the timer to ’2’, the unit
will work automatically after 2 hours
6. DRAINAGE
While the water tank is full, the compressor will stop for
self-protection and the water full indicator will turn into red.
To move the water tank, pull it out squarely from the unit.
After empting the water tank, place the water tank into spa-
ce. Make sure it is properly positioned, in order for the ’wa-
ter full’ sign to go out and your dehumidier is operating.
Please note, in case, the water tank has not been positio-
ned well, the water full indicator will turn into red.
CONTINUOUS DRAINAGE
When the dehumidier is operated at very high humidity
levels, the water tank will require more frequent drainage.
In this situation, it may be more convenient to set the unit
up for continuous drainage with the following procedures:
1. Remove the water tank (FIG. 5).
2. Position the spout as shown in the diagram.
* The unit will not operate without the water tank, unless
the spout is properly positioned.
3. Place one end of an appropriately sized drain pipe over
the spout.
4. Place the other end of the pipe in a drain, ensuring it is
not kinked or coiled.
5. Ensure the water will always drain away freely and the
hose will remain in place.
6. In very cold weather, precautions must be taken to pre-
vent the drain pipe from ‘Water full’ cutout.
FIG.5
1. ‘Spout for Continuous drainage
2. ‚Water full’ cutout switch depressed when spout for
continuous drainage is tted.
7. MAINTENANCE
Always unplug the unit from the mains before carrying out
any maintenance or cleaning of the unit.
CLEANING THE BODY
Use soft cloth to wipe the unit clean.
Don’t ever use volatile chemicals, gasoline, detergents,
chemically treated clothes, or other cleansing solutions.
These all could possibly hurt the cabinet.
CLEANING THE FILTER
ANTI-DUST FILTER
Use a vacuum cleaner or tap the lter lightly for easy clea-
ning. If the lter is particularly dirty, use warm water with
a small amount of a small amount of medium strength
detergent.
Make sure the lter is completely dry before replacing.
Do not expose the lter to sunlight.
STORAGE
If not use the unit for an extended period of time. Please:
Turing the unit off, unplug and tidy AC cord.
Completely empty the water tank and wipe it clean.
Cover the unit and store where it will not receive direct
sunlight.
8. TROUBLE SHOOTING
THE UNIT DOES NOT OPERATE:
Is the unit plugged in?
Is the house electricity on?
Is the room temperature below 5
O
C or above 35
O
C? If
so, then it is out of the working range of the unit.
Ensure the humidistat (or ON/OFF switch) is turned
on.
Check the water tank is positioned properly in the unit
and it is not full.
Make sure the air inlet and outlet are not obstructed.
THE UNIT SEEMS TO DO NOTHING:
Is the lter dusty, contaminated ?
Is the air intake or outlet blocked up?
Is the room humidity already quite low?

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Master DH 721 P Specifications

General IconGeneral
BrandMaster
ModelDH 721 P
CategoryDehumidifier
LanguageEnglish

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