Beko DCU 8230 User manual

Beko 2010 LED 8 kg Condanser
Tumble Dryer Service Handbook
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INDEX
1. Technical Specifications
2. Components and Dryer Principals
3. Control System
4. Service test program
5. Fault algorithms
6. Wiring schematics
7. Exploded views
8. Spare part list
9. Demounting the dryer

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Tumble Dryer Service Handbook
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Tumble Dryer Service Handbook
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1 Technical Specification:
1.1. Product Definition
1.1.1. Manufacturer : Arçelik A.Ş.
Cerkezkoy - Tekirdag / TÜRKĐYE
1.1.2 Model : BEKO DCU8230
1.1.3 Capacity (kg) : 8
1.1.4 Programs (Qty) : 10 sensor controlled program
4 time program
1 ventilation program (heater off)
1.2. Dimensions
1.2.1. Height (mm) : 846
1.2.2. Depth (mm) : 598
1.2.3. Width (mm) : 595
1.3. Package
1.3.1. Material : PE bag (Shrink-pack)
1.3.2. Supporter : Polystrofoam / Wood
1.3.3. Dimensions :
Height (mm) : 880
Depth (mm) : 660
Width (mm) : 650
1.4. Weight
1.4.1. Unpacked (kg) : 38
1.4.2. Packed (kg) : 40
1.5. Working Condition
1.5.1. Temperautre :
Min. room temperature : 5°C
Max. room temperature : 35°C
1.5.2. Humudity : %95 RH
1.6. Electrical Specification
1.6.1. Voltage (V / Hz) : 230-240 V / 50 Hz
1.6.2. Power (kW) : 2,5 kW
1.6.3. Current (A) : 11

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Tumble Dryer Service Handbook
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1.7. Power Cord
1.7.1. Type : 3 x 1.5 mm2 Cord Copper wire
1.7.2. Insulation : TS 9760 H05V2V2-F 3G1,5mm
2
1.7.3. Plug : Earthed ,PVC injected
1.7.4. Length (mm) : 1605
1.8. Motor
1.8.1. Type : 2 – phase asenkron
1.8.2. Power (W) : max 250
1.8.3. Main Winding (ohm) : 19,5± 5%
1.8.4. Auxillary Winding(ohm) : 19,5± 5%
1.8.5. Motor speed (7 kg (rpm)) : 2750
1.8.6. Drum speed (rpm) : 52 ± 2
1.8.7. Insulation : Sınıfı : F
1.8.8. Run capacitor : 9 mF ± %5
1.9. Heater
1.9.1. Type : Open wire spiral heating element
1.9.2. Nominal Power&Voltage(W) : 230Vac, 1600+700 = 2300 ± %5
1.9.3. Resistance(ohm) : 1600 W 1. level power (32.41 ohm± %5)
: 700 W 2. level power (73,67 ohm± %5)
Warning: NTC (regulating thermistor) is damaged, change the heating element
completely. Also check whether the motor or the fan is blocked or the belt is broken.
1.9.4. Manual resetting thermostat : 160°C ±3°C
Rating : 250Vac – 16A
Type : ELTH 261PB
NOTE: If the heater does not work because of manuel resetting thermostat is open curcuit, do
not change heater with the new one. You should do the following operation that described
below.

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Tumble Dryer Service Handbook
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With the multimeter manual resetting thermostat is checked from the terminals while heater
is on the dryer. If manual resetting thermostat is open curcuit, the button is up and the heater
does not work. If the button is up position,push the button down,and measure the thermostat
and be sure that it is short circuit.

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Tumble Dryer Service Handbook
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1.9.5. NTC (regulating thermistor) : 19.500 ohm @ 25°C
Type : ELTH 279
1.10. Door NTC
Door NTC (ohm) : 12.000 ohm @ 25°C
1.11. Body :
1.11.1. Material : Sheet metal
1.11.2. Finish : Acyrlic powder paint
1.12. Drum :
1.12.1. Material : Aluzinc/Stainles steel
1.12.2. Volume ( lt ) : 118
1.12.3. Drum speed( rpm ) : 54±2
1.12.4. Front door opening (mm) : 395x320
1.12.5. Proces air flow (m
3
/h) :190
1.12.6. Maximum loading Capacity:
Cotton(kg) : 8
Delicate, Synthetic (kg) : 4
1.13. Control System Specifications :
1.13.1. On/off Button : 250 V, 16 (4)A
1.13.2. Door Switch : 250 V, 3 (1)A veya 16(4)A
1.13.3. Suppression Filter : 0,15 uF(X1) + 1Mohm +
2x0.027uF(Y2)
1.13.4. Program Timer : Electronic Control Card
220 -240V , 50 Hz
1.14. Pump
1.14.1. Number of turns:2x3250
1.14.2. Wire diameter:0,1 mm
1.14.3. Resistance:956 Ω± %8
1.14.4. PCT C870 Epcos
1.14.5. PA6/66 Grilon TS V0,UL 94V-0,GW-650°C
1.14.6. PA6 Latamid 6H V0, UL 94V-0, GW-650°C

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Tumble Dryer Service Handbook
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2. Components and Dryer Principals:
Electronic Board:
Mechanical Pats (Dynamic System) :
The main motor is attached to the chassis with four special self threaded screws. In order to
drive drum a polv-y-V belt ise used between the motor pulley and drum There was used a
elastic belt. The drum is made of galvanized sheet steel. The drum group is mounted into the
front bearing house and rear bearing steel bracket, which is located rear panel. The heater is
mounted to the rear panel wtih two screws.
It is advised that the elastic Poly-V belt will be assembled max 3 times. Due to
damage on the belt on assembling, after 3 times please change the Poly-V belt
also.
Temperature Sensor ( NTC ):
Two NTC temperature sensor are used on electronic controlled dryers, one is located after the
door filter in suction canal, other is located in the heater. As the temperature of the surrounding
of NTC increases, its resistance decreases. At fixed temperature NTC will always have a
specified resistance within the tolerance. With the aid of this principle operates until the desired
temperature is reached. In this way, the selected program completes properly each time in
accordance with the program set an auxiliary function neither selected an is nor influenced by
air temperature etc.
Humidity Sensor:
Humidity level will be measured by the resistance of clothes. With this property of the humudity
sensor, its possible to check and control the humudity level precisely. It is driven by macro.
Humidity Sensor
Connector
L 700W
Relay
Programming
Connector
Heater and Door NTC
Rotary
Overflow Switch Connector.
Door Sensing
Drain Pump Motor Direction 2 Motor Direction 1
N 1600W
Relay
3-6-9 Delay
Connector
Transformer
2 x 0,175 VA

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Tumble Dryer Service Handbook
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Heater (Open spiral wire):
A 2300W two circuit open spiral wire type heater is driven by the 2 relays. A manual resettable
thermostat is used on these heater, in order to provide IEC safety rules accordingly. This
manual resettable thermostat cut the heater power at 160°C and can be resetted by the
pressing the button on thermostat, so heater can be used after a failure bacause of thermostat
is open curcuit.
The second temperature regulating element on the heater is NTC. When the desired
temperatures is reached, electronic control card reads the resistance of NTC and if the
prescribed resistance ( and hnce temperature) is reached, the heater is switched off.
This mechanical thermostat operates only;
Locked tumble,
Locked rotor,
Broken fan,
Filter and condenser is full, conditions.
Warning: When NTC is broken down, the heater is changed by the new heater. If
thermostat is open curcuit, the same heater will be used by pressing the button on
thermostat.
Door Lock :
Locking and unlocking mechanism of the door lock used in the dryer is a mechanical type of the
door lock. When the door pushed, the door is locked and the door is closed. When the pull from
the handle of the door, it will be open with a suitable force.
Especially, door lock and hinge sould be checked if there is a locking problem.
Door Switch :
The current is sent to electronic card and motor by the door switch. By this way when door is
opened due to any reason, motor stops automaticlly. However because of EN&IEC safety rules,
when the door is closed again, motor does not start. It is necessary to press start/pause/cancel
button to restart dryer.

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Tumble Dryer Service Handbook
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Motor:
Tumble and fan turns via 2 poles asenkron motor. Motor turns 2750 prm ans has a 9 uF
capacitor. Asenkron motor is controled by two Control panel two relays one of them for
direction, other one is for energy that placed in control.
Auxiliary
Winding
Common
Run
Capasitor
Auxiliary
Winding Main
Winding
Common
Main Winding

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Tumble Dryer Service Handbook
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Dryer Principals:
The air heated by the heaters, is directed to the drum and gets moisture of the laundry.
After crossing from the filters, the air pass through the condenser, and condenses.
Then the air is heated again, this circulation continues until the drying process finished.
Condensing occurs by cooling the air. To achieve that, a secondary fan circulates the air in the
condenser. Because of the temperature difference between cooling air and heated air,
condensing process accomplishes.
The condensed water is directed to the water tank by the pump for tank up version.
•Heater
•Process Fan
•Cooling Fan
•Condensed Water
•Condenser

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Tumble Dryer Service Handbook
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3. Control System:

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Tumble Dryer Service Handbook
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Tumble Dryer Service Handbook
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Tumble Dryer Service Handbook
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Tumble Dryer Service Handbook
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Tumble Dryer Service Handbook
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4. Service Test Program:
Step 1: Program selector is set as delicates and while pressing the buzzer cancel button, turn
on dryer. After 3 seconds service test program starts and buzzer sounds. In this program
start/pause/cancel button is used to pass other steps. All leds blink.
Step 2: Push start/pause/cancel button. All leds go off. The drying led is on. Motor turns
counterclockwise. Check the if the sensor are open circuit. If yes, the buzzer/cancel led will
blink. Unless it is open circuit, the next step won’t be activated.
Step 3 : The start/stop/cancel button is pushed. The drying led goes off, and the ready to iron
led is activated. Motor stops. After 3 seconds buzzer/cancel led blinks. Till the end of 3 second,
the buzzer/cancel led won’t blink even if the start button is pushed.
Step 4: The start/stop/cancel button is pushed. The ready to iron led goes off, and the ready to
wear dry led is activated. Motor turns clockwise. After 3 seconds buzzer/cancel led blinks. Till
the end of 3 second, the buzzer/cancel led won’t blink even if the start button is pushed.
Step 5: The start/stop/cancel button is pushed. The ready to wear led goes off, and the end led
is activated. Motor turns clockwise. The 2300W heater is on. After 3 seconds buzzer/cancel led
blinks. Till the end of 3 second, the buzzer/cancel led won’t blink and the next step won’t be
activated even if the start button is pushed.
Step 6: The start/stop/cancel button is pushed. The end led goes off and the drying led will
blink. Motor turns clockwise. The 2300W heater is off. Make the sensor short circuit by touching
the sensor plate. Check the sensor if the sensor are short circuit. If yes, the buzzer/cancel led
will blink, the buzzer will sound. Unless it is short circuit the buzzer/cancel led won’t blink and
the next step won’t be activated even if the start button is pushed.

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Tumble Dryer Service Handbook
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Step 7: The start/stop/cancel button is pushed. The drying led goes off and the ready to iron led
is activated. Motor turns clockwise. The 1600W heater is on. After 3 seconds buzzer/cancel led
blinks. Till the end of 3 second, the buzzer/cancel led won’t blink even if the start button is
pushed.
Step 8: The start/stop/cancel button is pushed. Turn back to the “step 1”.
,

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Tumble Dryer Service Handbook
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5. Faults Algorithms :
No Power Supply
Check the
electrical
connections
Connect the power supply
YES
NO
Check the
electricity on the
main control card
YES
Change the main card
NO
Check the on/off
switch
connections
Check the connections
NO
Check the
interfere filter
YES
NO
Check the connections
YES
Check the main control card and
change it if necessary

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Tumble Dryer Service Handbook
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Degree of drying can’t be
reached or drying time is too
long
Check the
heaters relays
Reset the heater
Is the heater
thermic (NC)
on?
Check the software,change
the main card
Change the heater
Check the heater
connections
YES
NO
YES
NO
YES
NO
YES
Is the heater
thermic (NC)/NTC
correct?
NC = Normal closed short circuit
NO = Normal open short circuit

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Tumble Dryer Service Handbook
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Program can not be set
Are the values on
the program selector
potentiometer
correct
Potentiometer ?
YES
NO
Each turn of rotary knob,there
should be 1Kohm increase. If it is
not, change the rotary
Is the Rotary-main
card connection
correct?
NO
YES
Change main card
Change the the
connections