10 LITRE DEHUMIDIFIER
INSTRUCTION MANUAL
MODEL NO. : MDN4-10DMN3-QA3
2
Thank you for selecting Challenge dehumidifier. Please be sure to read this manual
carefully before using it. Keep the manual for future reference.
SAFETY INSTRUCTIONS
Please read the operating instructions carefully before using your dehumidifier for the first
time.
1. Install the appliance on flat and hard place to avoid occurrence of vibration and
noise.
2. Never immerse the appliance in water or other liquids.
3. Never operate the appliance if the cable or connector is damaged, or there is
something abnormal may happen.
4. Disconnect the appliance from power supply when it is not in use, or before relocating
or cleaning it.
5. Operate the appliance only at the voltage specified.
6. The appliance is for indoor use only, do not use it for other purpose.
7. Do not put heavy objects on the appliance.
8. Do not cover the unit.
9. To prevent spilling, empty the water tank before restarting the appliance.
10. Do not put the unit close to heat-generating devices or near flammable and dangerous
materials, don’t tip the appliance to any side as spilt water could damage the appliance.
11. Never insert any slim rod and hard object into the unit body to avoid occurrence of
hazard or unit failure.
12. Always store the unit upright in order to maintain the compressor in a proper working
condition. Leave the unit upright for at least 24 hours before operating.
13. Children should be supervised to ensure that they do not play with the appliance.
14. The appliance shall be installed in accordance with national wiring regulations.
15. Do not exceed the rating of the power outlet or connection device.
16. Do not operate or stop the unit by switching on or off the power.
17. Do not damage or use an unspecified power cord.
18. Do not modify power cord length or share the outlet with other appliances.
19. Do not insert or pull out plug with wet hands.
20. Disconnect the power if strange sounds, smell, or smoke comes from it.
21. Before cleaning, turn off the power and unplug the unit.
22. Do not drink or use the water drained from the unit.
23. Do not take the water bucket out during operation.
24. Do not use the unit in small spaces.
25. Do not put in places where water may splash onto the unit.
26. Do not cover the intake or exhaust openings with cloths or towels.
27. 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.
28. Do not use in areas where chemicals are handled.
29. Never insert your finger or other foreign objects into grills or openings. Take special
care to warn children of these dangers.
30. Do not place heavy object on the power cord and take care so that the cord is not
compressed.
31. Always insert the filters securely. Clean filter once every two weeks.
32. If water enters the unit, turn the unit off and disconnect the power , contact a qualified
service technician.
33. Do not place flower vases or other water container on top of the unit.
34.
35.
36.
37.
dehumidifier over.
dehumidifier
3
Don’t try to repair, dismantle or remold such appliance, or it may make some damage.
Even if the supply cord is damaged, it must be replaced by the manufacturer or its service
agent or a similarly qualified person in order to avoid a hazard.
PLACEMENT
When positioning the dehumidifier, ensure that it is placed on a level surface and that there
is a minimum of 10cm of space on either side of the unit to allow for efficient airflow.
We do not recommend the use of an extension lead, so please try to ensure that the unit is
sufficiently close to a fixed main socket. If it is necessary to use an extension lead, please
ensure the diameter of the wires of the cable is at least 1 mm2.
When the dehumidifier is in operation, outside doors and windows should be closed when
necessary for most efficient use.
Make sure that there is no obstruction around the air inlet and the air outlet. The position of
the air inlet and outlet is as below:
20cm or more
20cm or more
40cm or
more
20cm or more
20cm or more
4
KNOW YOUR APPLIANCE
5
MAIN UNIT
Control panel
1
Handle
2
Air inlet
3
Air filter
4
1
2
8
3
4
Drain hose outlet
5
Power Cord and plug
6
Water tank
7
Air outlet grille
8
CONTROL PANEL
7
5
6
1
Power on indicator light(green)
2
Water full indicator light(red)
3
Power ON / OFFF F buttons
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33
Operation
Power on indicator light(green)
1
This indicator light remains on(green) when the unit is switched on and turns dark
when the unit is switched off.
Water full indicator light(red)
2
Glows when the water tank is water full, or when the water tank is removed or
not replaced in the proper position.
3
Power ON / OFF buttons
Press to turn the dehumidifier on and off. The power on indicator illuminates(green)
when the unit is switched on and turns dark when the unit is switched off.
Note：
1. Do not use the machine when the temperature is over 35℃ or below 5℃.
2. When the unit has been turned off, it cannot be turned on again within 3 minutes. This
is normal and it is to protect the compressor to avoid any damage.
3. This unit is fitted with an auto defrosting function. When frost builds up on the evaporator
coils, the compressor will cycle off and the fan will continue to run until the frost disappears.
4. While you have pressed the “Power ON / OFF buttons” to start the unit, it may have a
3 minutes delay start on the compressor. This is special design to protect the compressor
an
d it is normal.
5. This product does not equip with humidity control. It will continue to operate until either
water full or turn it off by yourself. Turn it off if you find the humidify of your room has
decreased to desired level in order to save the energy.
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DRAINAGE
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While the water tank is full, the compressor will stop and the water full indicator
light(Red) will illuminate.
To remove the water tank, pull it out carefully from the unit.
After empting the water tank, place the tank back to the unit. Make sure it is properly
positioned, in order for the water full indicator light(Red) to go out and your dehumidifier
is ope
Please note, in case, the water tank has not been positioned well, the water full indicator
light(Red) will still illuminate.
rating.
1. Pull out the bucket a little.
CONTINUOUS DRAINAGE
2. Hold both sides of the bucket
with even strength, and pull it
out from the unit. And pour the
water out
When the dehumidifier 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 . Cut off the plastic cover located at drain hose outlet by a scissor. Remove the rubber water
stopper in the drain hose outlet. Keep the rubber water stopper in a safety place for future use.
2. Prepare the water tube (not included) with 13.5 mm internal diameter and 1.5 mm thickness.
3. Connect the tube to the drain hose outlet at the back.
4. Ensure the water will always drain away freely and the tube will remain in right place & the
water tank is in correct position.
NOTE:
In very cold weather conditions, precaution should be taken to prevent the water tube
from freezing.
If it is no longer to use the continuous drainage, please follow the below procedures :
1. Remove the water hose from the drain hose outlet of the unit.
2. Insert the rubber water stopper to the drain hose outlet.
Cut off the plastic
cover, then attach
the water hose to
the drain hose outlet.
Do not block water flow by a rise.
Do not block water flow by a retortion.
CLEANING
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Always unplug the unit from the power supply before beginning cleaning to avoid
electric shocks.
Housing
- Use a soft, damp cloth to wipe the cabinet clean. Never use strong chemicals, oil-based
products, detergents, chemically treated cloths or other cleaning solution. These could
damage the cabinet.
Filter
- It is recommended to clean the air filter once every two weeks.
- Grip the tab on the filter and pull it upward, then pull it out.
- Clean the filter with warm, soapy water. Rinse and let the filter dry before replacing it.
Do not clean the filter in a dishwasher.
- Do not expose the filter to sunlight.
WARNING: Never operate the dehumidifier without the filters.
STORAGE
If not use the unit for an extended period of time. Please:
- Turn the unit off and unplug it from the mains.
- Completely empty the water tank and wipe it clean.
- Cover the unit and store where it will not receive direct sunlight.
TROUBLE SHOOTING
Problem
Possible Cause
Solution
Has the power cord
disconnected？
The tank is not
indicator goes off.
Is the temperature
5℃ or below 35℃?
The protection device is
cannot be started.
Is the air filter
clogged?
Clean the air filter as
instructions.
Is the air filter
clogged?
Clean the air filter as
instructions.
Is the air filter
clogged?
Clean the air filter as
instructions.
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Never try to repair or dismantle the dehumidifier yourself. Incompetent repairs result in loss
of warranty and can endanger the user and the property.
The unit doesn't operate
The dehumidifying
function doesn't work
been
Is the tank full
indication blinking?
(the tank is full or in
a wrong position)
of the room above
Is the intake duct or
discharge duct
obstructed?
Plug the power cord into
the outlet.
Empty the water in the
drainage tank and then
replace the tank.
positioned correctly, pull
it out and push it in
again until the tank full
activated and the unit
Remove the obstruction
from the discharge duct
or intake duct.
No air is discharged
Op
eration is noisy
Power on indicator light
(green) is flashing, i.e. 5
times per second.
Remark:
Installs, services, maintains, repairs, checks for leaks or decommissions
equipment and product recycling should be carried out by qualified person.
Is the unit tilted or
un
steady?
Temperature sensor
is out of order
Move the unit to a
stable, sturdy location.
Disconnect the unit from
mains and connect back
to mains after 5 seconds.
If the issue is still
happened, please return
to store.
TECHNICAL DATA
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Model MDN4-1
Mains 220V-240V ~50Hz
Power W 320W
Ampere consumption A 1.5 A
Dehumidification capacity
(30℃ RH 80%)
Air volume(max) m³/h 110 m³/h
Refrigerant load g R134a/90 g
Compressor KANGPUSI QX42H
Recommended room size m2 Up to 3
Water tank L 1.5 L
Dimensions(W*H*D) mm 325*170*478 mm
L/24h 10 L/24h
0DMN3-QA3
1 m
2
W
eight Kg 9.5Kg
Fluorinated greenhouse gases are contained in hermetically sealed equipment.
GWP:1430; 0.13 tonnes CO2 equivalent.
lf a 13 Amp (BS 1363) fused plug is used it must
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be fitted with a 13 Amp fuse. lf in doubt consult a
qualified electrician.
13Amp
Wiring for a 13 Amp Plug (BS1363)
lf a 13 Amp (BS 1363) plug is used , it must be fitted with a 13 Amp Fuse
conforming to BS1363 and be ASTA approved. lf in doubt consult a qualified
electrician who will be pleased to do this for you.
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PRODUCT GUARANTEE
This product is guaranteed against manufacturing defects for a period of
Year
This product is guaranteed for twelve months from the date of original purchase.
Any defect that arises due to faulty materials or workmanship will either be replaced,
refunded or repaired free of charge where possible during this period by the dealer from
whom you purchased the unit.
The guarantee is subject to the following provisions:
y The guarantee does not cover accidental damage, misuse, cabinet parts, knobs or
consumable items.
y The product must be correctly installed and operated in accordance with the instructions
contained in this manual. A replacement copy of this instruction manual can be obtained
from www.argos-support.co.uk
y It must be used solely for domestic purpose.
y The guarantee will be rendered invalided if the product is re-sold or has been damaged by
inexpert repair.
y Specifications are subject to change without notice.
y The manufacturer disclaims an y liability for the incidental or consequential damages.
y The guarantee is in addition to, and does not diminish your statutory or legal rights.
Guarantor: Argos Ltd
489 - 499 Avebury Boulevard
Central Milton Keynes
MK9 2NW
www.argos-support.co.uk
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