Daewoo DWB-122CH Manual Download | Manualshive

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DEICER PCB ASS’Y (3104303100)

CODE

COMPONENTS

Q’TY

SPECIFICATION

REMARK

3108803500

PIN

3

GP881206-2(250)

D15G561K– –

VARISTOR

1

15G1561K

3108806100

WAFER

1

SMW250-03

SENSOR

DZN4004A– –

DIODE

4

1N4004 TAPE

DZN4148FBT

DIODE

2

1N4148 TAPE

CCXE1H103M

C-CERA

4

103Z, 50VDC

CCXE1H104M

C-CERA

2

104Z, 50VDC

CEXE1V108C

C-ELEC

1

1000µF 35V SD

CEXE1C107C

C-ELEC

1

100µF 16V SD

RN-4K1272F

RESISTOR

1

1/4W-12.7KF

RD-4K103J-

RESISTOR

1

1/4W-10KJ

RD-4K102J-

RESISTOR

2

1/4W-1KJ

RD-4K331J-

RESISTOR

1

1/4W-330J

1K1A78S05P

IC REGULATOR

1

KIA78S05P

DC5V

3104303200

DEICER PCB

1

86X55X1.6T

5EPW035000

TRANS PCB

1

MOUNT

5SC0102100

RELAY

1

UT205-12SC

14HLP12C67

IC MICOM

1

PIC12C671

8P

TZTC3198Y

TR

1

KRC3198Y

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Summary of Contents for DWB-122CH

Page 1: ...TION OF MAIN COMPONENTS 5 5 GENERAL INFORMATIONS 7 6 CARE AND MAINTENANCE 9 7 ELECTRICAL REQUIREMENTS 10 8 DESCRIPTION OF FUNCTIONS 11 9 WIRING DIAGRAM 12 10 REFRIGERANT CYCLE 13 11 PCB DRIVING DESCRIPTION 14 12 TROUBLE SHOOTING GUIDE 16 13 HOW TO DISASSEMBLE 19 14 EXPLODED DIAGRAM AND PARTS LIST 20 ...

Page 2: ...pair the unit and use the measuring appliance adjusted accurately 5 Damage of electric wire and power cord when servicing Check electric wire and a surely replace a damage electric wire and a damage power cord 6 Never use connecting the middle of wire after cutting the middle of wire It may cause a fire and trouble 7 Checking the insulation resistance After you complete the assembly of unit surely...

Page 3: ......

Page 4: ... PART NAME 1 AIR FILTER 2 GRILLE FRONT 3 CABINET 4 BLADE VERTICAL 5 KNOB THERMOSTAT 6 KNOB SELECTOR NO PART NAME 7 BLADE HORIZONTAL 8 AIR VENT 9 AIR INTAKE 10 AIR DISCHARGE 11 HEATER LAMP 12 CABINET DRAIN Attached inside of Grille Front ...

Page 5: ...om temperature at a proper level and this results in efficient use of power and economical cooling Turn clockwise for a cooler room temperature Turn counter clockwise for a warmer room temperature HEATER LAMP When the unit sets heating operation condition the red lamp is lighted When the frost settles on the heat exchanger of the outside defrosting is made automatically and the red lamp is turned ...

Page 6: ...dition is in opposition CAPACITOR The Capacitor enlarges the difference of phase between main coil so that the Compressor and Fan Motor starts well ACCUMULATOR The Accumulator blocks the unflow of liquid refrigerant and impurities into the Compressor CAUTION In order to After Service convenience that the motor is common parts with Cooling only model This part is not use of medium speed function so...

Page 7: ...t evaporates The air conditioner must be installed level or tilted slightly to the outside for proper water disposal On exceptionally hot and humid days the air conditioner may permit excess water to pass thru rear drain hole or overflow This should be considered normal HOW TO INSTALL THE DRAIN CAP This drain cap is not attached the rear the unit at the factory If you want to install the drain cap...

Page 8: ...se pan bottom hole 3 Install the cabinet drain to the left corner of the cabinet with 3 screws 4 Connect the drain hose to the outlet located at the bottom of the cabinet drain You can purchase the drain hose or tubing locally to satisfy your particular needs Drain hose is not supplied CABINET SCREW CABINET DRAIN DRAIN HOSE CAUTION 1 Remove the Grille Front from the unit 2 Find the Cabinet Drain w...

Page 9: ... a cloth dampened in a mild detergent solution 5 Cabinet may be washed with mild soap or detergent and lukewarm water then polished with liquid wax for appliances 6 Condenser and Evaporator coils should be cleaned at the beginning of each cooling season Use a soft brush or vacuum cleaner to clean them making sure that the Condenser and Evaporator coils are not damaged 7 Do not use abrasive cleaner...

Page 10: ... is earthed and the marked rating of the extension cord should be 250V 10A MIN The socket outlet shall be installed near the equipment and shall be easily accessible REPLACEMENT OF SUPPLY FLEXIBLE CORD It the supply flexible cord is damaged it must be replaced by the manufacturer or its service agent or similarly qualified person in order to avoid a hazard WARNING To avoid death personal injury or...

Page 11: ...ip on the P C B starts to check the time and temperature Entering de ice operation to turn cooling cycle 1 The micro computer chip is check the temperature of condensor After 50 minutes since the units starts on heating mode 2 If the Temperature is below 4 C RL1 goes on 3 Then all parts of concerning with RL1 go off also such as Fan motor Lamp Reversing valve 4 Now the unit turned to cooling opera...

Page 12: ...12 9 WIRING DIAGRAM ...

Page 13: ...13 10 REFRIGERANT CYCLE Evaporator Blower fan MOTOR CHECK VALVE Reversing Valve Accumulator Propeller fan Condenser Refrigerant flow COOLING Refrigerant flow HEATING Capillary Tube M Compressor D C S E ...

Page 14: ...14 11 PCB DRIVING DESCRIPTION ...

Page 15: ...Number 4 IC1 is used for reset the micro computer when the power is on or off 3 SENSOR VALUE INPUT Refer to B Sensor in the circuit diagram Number 7 IC1 is used for reading the value of the sensor Temperature is read on voltage instead of the resistance of the sensor 4 AC LOAD CONTROL Refer to D AC Load in the circuit diagram Nuber 5 IC1 is used for control the relay RL1 RL1 controls Reversing val...

Page 16: ... of switch 1 Disconnection 2 Malfunction of contact Disconnection or burned out 1 Failure 2 Malfunction 3 Knob is not set to the proper setting Failure of malfunction of proper setting 1 Turn over Lack of capacity Disconnection 1 The voltage exceeded allowed range 2 Capacity of wire is not sufficient Extremely high Burned out Malfunction Lack of capacity Malfunction Lack of capacity Turn over Cons...

Page 17: ... of refrigerant gas 4 Refrigerant charge is too high Clogged up with dust 1 Fin is cogged up with dust 2 The ventilation is not good 3 The unit is exposed to the sunlight 4 Other heat source is added in the room Installation of the unit is imperfectly done 1 Fan is contacted with obstacles 2 Fixing bolt Have a screw loose Electrical noise The front is lower than rear side 1 Insulation defect of wi...

Page 18: ...3 RELAY CHECK If the resistance is zero between the two pin L1 and L3 the relay RL1 is O K The check must be conducted after the power supply cord is removed 4 If the P C B Sensor Relay are correct all please check the other parts TEMP C 5 4 3 2 1 0 1 2 3 4 5 R KOhm 43 67 41 35 39 18 37 13 35 21 33 4 31 69 30 08 28 57 27 14 25 79 Voltage V 1 117 1 165 1 213 1 264 1 315 1 368 1 421 1 474 1 529 1 58...

Page 19: ... in the Panel Housing 7 Remove screws 4 point from Ass y Fan Motor s sides Ass y Fan Motor is assembly of Fan Motor Propeller and Blower Fan Orifice and Panel Housing 8 Lift the Ass y Fan Motor from the unit 9 Remove Clip Fan 2 point from the shaft of Fan Motor 10 Remove Propeller Fan from the shaft of Fan Motor 11 Remove Blower Fan from the shaft of Fan Motor 12 Remove Fan Motor from Panel Housin...

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Page 22: ...3M C CERA 4 103Z 50VDC CCXE1H104M C CERA 2 104Z 50VDC CEXE1V108C C ELEC 1 1000µF 35V SD CEXE1C107C C ELEC 1 100µF 16V SD RN 4K1272F RESISTOR 1 1 4W 12 7KF RD 4K103J RESISTOR 1 1 4W 10KJ RD 4K102J RESISTOR 2 1 4W 1KJ RD 4K331J RESISTOR 1 1 4W 330J 1K1A78S05P IC REGULATOR 1 KIA78S05P DC5V 3104303200 DEICER PCB 1 86X55X1 6T 5EPW035000 TRANS PCB 1 MOUNT 5SC0102100 RELAY 1 UT205 12SC 14HLP12C67 IC MICO...

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