Dahlert DT-WP-20 User manual

WATER PURIFIER
Instruction Manual
Model: DT-WP-20
Before installing and operating your water purifier, please read the instruction manual carefully and keep it for future reference.
The diagram above is just for reference. Please take the appearance of the actual product as the standard.

Dear Customers,
Welcome to use the Water Purification Expert, which utilizes six grade of high-precision filtration
system, the effluent water is pure water which tastes better. Automatically control system make
you to use this product easily, reassuredly and comfortably.
Water Purification Expert brings you safe and excellent drinking water, enables your three meals
much more delicious, and makes you and your family members enjoy healthy and top-grade life.
Table of Contents
1. Safety Warning----------------------------------------------------------------------------------------1
1-1 Safety Issues------------------------------------------------------------------------------------- 1
1-2 Packing List----------------------------------------------------------------------------------------2
2. Your Water Purification Expert-----------------------------------------------------------------2~3
2-1 Part Name of Water Purifier-------------------------------------------------------------------2
2-2.Electric Schematic Diagram-------------------------------------------------------------------3
3. Use instructions----------------------------------------------------------------------------------- 3~6
3-1.Use for the first time-----------------------------------------------------------------------------3
3-2.Function description---------------------------------------------------------------------------- 4
3-3.Filter configuration-------------------------------------------------------------------------------5
3-4.Replace the filter -------------------------------------------------------------------------------- 5
4. Cleaning and Maintenance-------------------------------------------------------------------- 6~7
5. Check the Abnormal Phenomenon by Yourself------------------------------------------- 7~8
6. Product Parameters--------------------------------------------------------------------------------- 8

1
1.Safety Warning
The followings are the content of [prohibited]
Protect from
sunlight
Inflammable
materials prohibited
Wet areas
prohibited
Do not touch
with wet hand
It is forbidden to flush the machine body with water.
It is forbidden to use universal socket and use with other appliances at the same time, and
sockets with no less than 10A shall be used.
It is strictly prohibited to put the water receiver in the air since it shall be put stably on the table.
It is strictly prohibited to wipe the water tank with alcohol.
It is forbidden to add cloudy tap water, ice blocks and mixed liquids such as milk, juice and
so on in the water tank.
When taking water, it is strictly prohibited to extend the water nozzle into the cup so as to
avoid the danger cause by blockage of water nozzle by boiling water.
The followings are the content of [compulsory]
Grounding is required
If the power cable is damaged, please replace it by the manufacturer or professional technician
of the authorized repair office, avoid extrude, overlay, tie or damage the power cable.
The bottom and the perimeter shall not be padded with other items.
The suitable temperature of purified water in water tank is 4-38℃.
The socket for power cord connecting this product must be provided with reliable grounding
device.
When the ambient temperature is below 0℃, the water in the machine may freeze, please note
that the water in the machine is drained when it is not in use.
The followings are the content of [note]
In order to avoid hazards, please place the machine on the flat, clean and heat-resistant table.
Protect the machine from rain and snow during handling and storage.
When the raw water does not conform to municipal tap water standard (including conditions
such as high sediment content in water and over-standard residual chlorine, etc.), the service
life of the filter will be reduced quickly, and the raw water is recommended to be pretreated and
then added to the water tank.
When taking out the water tank, make sure the machine is stable and prevent the machine from
falling.
Handle the product with care so as not to scratch or damage the product.
1-1 Safety Issues

2
1-2 packing list
Water purifier (1 set)
Packing box
Materials bag User's Manual (1 copy)
2-1 Part Name of Water Purifier
2. Your Water Purification Expert
Display screen
Nozzle
Water receiver
Water tank cover
Water tank
Machine body
Display panel
Hot w ater Warm w ater Amb ient
temperature water
Heating indicator
Water shortage indicator
Filter indicator
Hot water button
Warm water button
Ambient temperature water button
Water output button
In order to avoid the risks caused by misoperation, users with physical, sensory, mental
deficiencies and children are not recommended to use this product, the above personnel should
be supervised by normal adult to use the product.
Clean and replace the filter regularly. The new machine shall be cleaned for the first time as
required.
When the water temperature is low, the water production time of the water tank will be prolonged,
which is the characteristic of the membrane.
The product design adopts the instant heating technology, and the top cover may be slightly hot
during working, which is normal.
When taking low temperature water immediately after taking water of high temperature, the
temperature of the output water may be high, please prevent scald.
This product is only applicable to safe use at altitudes below 1500m, please stop using it when
the inlet temperature or ambient temperature is as low as 4℃or high to 38℃.
When the product is used for the first time or has not been used for a long period, there will be
a delay in outputting water, which is normal.

3
3-1.Use for the first time
3. Use instructions
1. Unpack and place on the horizontal surface.
Install the water receiver.
2. Steps of removing the water tank
Life and pull out the water tank, and then lift it out
after it is loose with the machine body.
3. Steps for feeding and discharging water
1.First, drain the remaining water from the
water tank.
2.Add tap water to the raw water tank (the
bigger one).
4. Install the water tank
1.Align the water tank with the base jack and
press down.
2.Close the water tank cover after pressing the
tank.
Raw water tank Concentrated water tank
2-2.Electric Schematic Diagram
24V Adapter
Ambient
temperature
water valve
Hot water
valve
Waste
water
valve
Booster
pump
Water
pump
Power board
Dry burning
preventing
mechanical
thermostat
Dry burning preventing
mechanical thermostat
Hot tank
Hot water NTC
Display screen
Purified
water tank
water level
limit floater
High water
level floater
of purified
water tank
Low water
level floater
of raw water
tank
Placement
detection
of raw water
tank

4
5. After supplying power, the product starts to produce water. The hot water, warm water, and
ambient temperature water indicators turn on sequentially. Several minutes later, the water
production is finished, the buzzer beeps once, and the indicators turns out, the water can be
used normally. During this process, it may possibly require feeding and discharging water for
several times.
Hot water Warm water Ambient temperature
water 5-10 minutes
6. When using for the first time, please clean the internal pipes after producing water.
1.Take out the water tank;
2.Emptying the water tank: Place the water pan under the water inlet, and hold the water output
button to empty the water tank;
3.Repeat for three times, then the machine can be used normally.
3-2.Function description
Taking water
When taking water, click the water temperature button, the corresponding indicator turns on, and
the [output water] button will flash. Then click the [output water] button, the water flows out of the
nozzle, press the button again to stop outputting water, and corresponding indicator turns off.
Hot water
Warm water
Ambient temperature
water
Heating
There are 3 ways to start the heating function:
1. Hold the [hot water] button;
2. Click the [hot water] button, and then click the [output water] button;
3. Click the [warm water] button, and then click the [output water] button.
The indicator flashes during the heating process. After heating, it enters the heat preservation state,
the indicator keep on. Press the [hot water] button again to stop heating, and the corresponding
indicator turns off.
Hot water
3 seconds

5
When the raw water tank is short of water, the "water shortage" indicator flashes, and no water
can be output at this time. You need to lift the water tank to drain the concentrated water, add tap
water to the raw water tank, and place it on the machine.
Water shortage state of raw water tank
Notes:
Notes:
Do not add water to the raw water tank continuously. After using one tank of water, discharge the
concentrated water once. Otherwise, after 6 minutes of continuous water production, the "water
shortage" indicator will flash, and water cannot be output at this time since the concentrated water
shall be discharged by lifting the water tank.
3-3.Filter configuration
3-4.Replace the filter
The filter shall be replaced by yourself or the work staff designated by our company (Please
purchase the filter from the local dealers, Midea Mall and Midea flagship store).
A small amount of water may possibly flows out during the process of replacing filter, which is
normal.
1. Cut off power supply before replacing the filter.

6
2. As shown in the figure below
1. Follow the steps below to replace the filter.
Remove the water tank Open the top cover Open the filter handle
Lift up the old filter Put in the new filter and lock it
by pressing the press rod until
hearing “tick” sound
Install the top cover and put the
water tank in place
2. After replacing the filter, hold the [ambient temperature water] button for 3 seconds to reset
the filter life.
Ambient temperature
water
3 seconds
4. Cleaning and Maintenance
Daily Maintenance
Note
Do not flush with splashing water when cleaning it, so as not to affect the electric insulation
performance. Do not clean the machine with hard brush, wire rope brush, or organic solvent such
as cleaning powder, hot water or strong acid, strong alkali and so on.
1. Remove the water receiver and drain the
residual water in the water receiver.
2. Soak the water tank for 30min with descaling
agent (such as citric acid) every month before
cleaning it. Do not wipe it with organic solvent
such as gasoline (Remove the filter cover, filter
and concentrated water tank before cleaning
the machine).

7
5. Check the Abnormal Phenomenon by Yourself
3. When the machine is not used for more than one week, it is recommended to remove the water
tank, hold the water output button to drain remaining water from the machine, and then
disconnect the power supply. Unscrew the water drainage cap, and then remove the drainage
plug to discharge the remaining water from the hot tank. (Note: Hold the water output button to
empty the water tank, and only normal temperature water is output, the heating function can't be
started.)
Water drainage cap
Water drainage plug
Output water
NOTE
The followings are the identification and check of common abnormalities, if it can’t be removed
through simple treatment, please send it to the repair office or consult our customer service hotline.
Do not dismantle and repair it by yourself for avoiding danger or water dispenser & purifier damage.

6. Product Parameters
For the technical improvement of the product, the following parameters are subject to change
without prior notice, please refer to the nameplate of the product.
The purified water flow rate is tested when the environment temperature 25±2℃, and the water
temperature 25± 1℃.
DT-WP-20Model
Rated
Voltage / Frequency
Rated hot water
production
capacity
Rated power
Rated general
purified water flow
rate
Purified water
flow rate
Water inlet
pressure
Working pressure
Applicable water
qualty
Applicable
environment
temperature
Appearance
difference
220V- /50Hz
≥90 , 4L/h
430W
1000L
0.2L/min
0.05-0.1MPa
0.45-0.8MPa
Municipal tap water
4-38
White housing
Water treatment process drawing
Municipal tap water →Integrated composite filter (PP cotton, fiber active carbon, nanofiltration
membrane, carbon rod active carbon) →Water output→Waste water
It is normal if the followings occur during use, please set your heart at relaxed to use it:
1. There is slight noise during the process of taking hot water.
2. The water pump will generate slight noise when the water dispenser & purifier is under
purification and filtration.
3. The water output speed of the different water temperatures is not completely the same.
4. When the water temperature is too low, the water purification working time of the machine will
be longer.

The product is subject to change without notice.
Please keep this manual properly.
Am Holzweg 28-34, 65830 Kriftel, Deutschland
Dahlert GmbH