Daewoo DWA-182R, Service Manual

Page 1: ...Manual de servicio Acondicionador de Aire Tipo Ventana Modelo DWA 182R ...

Page 2: ...ion 3 3 Wiring Diagram 10 4 Refrigerant Cycle 11 5 Control Block Diagram 12 6 Circuit Diagram 13 7 Trouble Shooting 16 8 Key Components of Electronic Circuit 26 9 Disassembly Instructions 28 10 Exploded Diagram and Parts List 29 Contents ...

Page 3: ...l Data Power Input W 2 040 Running Current A 9 4 Compressor Type Rotary Model RCA180B001 Capacitor AC 400V 30µF Model IC 1264ODWWF6B Fan Motor Capacitor AC 400V 6µF Indoor Fan Blower Fan Outdoor Fan Propeller Fan Refrigerant R 22 Control Capillary Charge Amout g 970g Dimensions Unit W x H x D 660 x 430 x 705 mm Packing W x H x D 711 x 525 x 757 mm Weight Net Weight Kg 51 5 Gross Weight Kg 56 5 ...

Page 4: ... 1 PARTS OF NAME AND FUNCTION 2 OPERATION NO PART NAME 1 AIR FILTER 2 GRILL FRONT 3 CABINET 4 BLADE VERTICAL NO PART NAME 5 PANEL CONTROL 6 REMOTE CONTROLLER 7 BLADE HORIZENTAL 8 AIR VENT 6 3 1 2 7 4 8 5 ...

Page 5: ...G Everytime you push this button the auto swing mode is toggled TEMPERATURE It is the button to set the room in the desired room temp The temp can be set within a range from 16 C 60 F to 32 C 90 F by 1 C 1 F POWER ON OFF To turn the unit ON push this button To turn the unit OFF push this button again FAN SPEED Everytime you push this button it is selected as follow High Mid Low High TIMER CANCEL F...

Page 6: ...s the button to set the desired room temperature The temperature can be set within a range from 16 C 60 F to 32 C 90 F by 1 C 1 F POWER ON OFF BUTTON To turn the unit ON push this button To turn the unit OFF push this button again MODE SELECT BUTTON Everytime you push this button It is selected as follow COOLING TURBO FAN COOLING FAN SPEED BUTTON Everytime you push this button It is selected as fo...

Page 7: ...the and directions are correct Be sure that both batteries are new Re attach the cover Slide it back into position Do not use rechargeable batteries such batteries differ from standard dry cells in shape dimensions and performance Remove the batteries from the remote controller if the air conditioner is not going to be used for an extended length of time 1 2 3 ...

Page 8: ...ressor If the Unit Display receive the signal of Remote Controller you can hear the signal beep or beep beep OFF Timer 4 DESCRIPTION OF FUNCTIONS Unit ON Unit OFF SET Time HOUR ON OFF ON Timer Unit ON Unit OFF SET Time HOUR ON OFF Control of Room Temperature Buzzer COMP ON COOLING Desired temperature COMP OFF 1 C Temperature Room temperatrue setting temperature Compressor OFF Room temperature sett...

Page 9: ... indicator will disappear in the display In normal operation there is a time delay of three minutes between turn off and turning back on including initial power up Sleep Mode 3min Time Delay of Compressor 0 0 5 1 0 HOUR SET TIME Desired Difference desired temperature between room temperature C 0 5 C 0 5 C 0 5 C Temperature Fan Speed 1 Motor speed high speed normal speed low speed 2 Remote controll...

Page 10: ... below Auto swing Fixed 1 Cooling Condition 1 Fan Speed High speed 2 Set temperature 16 C Fixed 3 Compressor and Fan Turbo Mode Powerful Cooling 1 OFF ON Room temperature 18 C 0 1 Self Diagnostic Function The control will contain diagnostic test to verify the integrity of the system 1 Error Code Display ERROR CODE 88 LED DISPLAY ERROR CONTENTS 1 Room air thermistor short or open ...

Page 11: ... B L E D P C B 1 2 3 4 5 6 7 8 9 10 1 2 3 4 BLK BRN RED ORG YEL GRN BLU VOL BLK BRN RED ORG YEL GRN BLU VOL GRY WHT BLK RED GRY YEL BRN ORG ORG ORG WHT RED WHT H F C GRN GRN YEL 3103528811 GRN GRN YEL BLK BLU WHT BRN C O L P R S BLU BLU CN5 RL1 POWER TRANS FORMER CAPACITOR CAPACITOR 1 2 1 1 2 3 4 CN1 CN6 CN7 ...

Page 12: ...11 4 REFRIGERANT CYCLE Evaporator Capillary tube Blower fan Condenser Propeller fan Accumulator Compressor M MOTOR ...

Page 13: ...ode Lamp Remocon Signal Receiver Cooling mode Lamp Room Temp Lamp Desired Temp Lamp Timer Lamp Operating Mode Remote controller Fan speed Timer selection Auto swing Temp setting ON OFF Sleep A D Converter Beeper Drive Ic Tr Room Temp Sensor Relay 2 Relay 1 MICOM Main PCB DC 12V DC 12V DC 12V DC 5V DC 5V Transformer ...

Page 14: ...13 6 CIRCUIT DIAGRAM ...

Page 15: ...3108802700 1 CN6 22 WAFER YW500 02V 3108803000 1 CN7 23 WAFER SMW250 02 3108804200 1 CN3 24 WAFER SMW250 08 3108804000 1 CN2 25 WAFER SMW250 10 3108802100 1 CN1 26 WAFER YF254S 02 3108804300 1 TEST 27 PIN GP881206 2 3108803500 2 POWER 28 RESISTOR 300 1 4W 5 RD 4K301J 1 R4 29 RESISTOR 1K 1 4W 5 RD 4K102J 1 R7 30 RESISTOR 5 6K 1 4W 5 RD 4K562J 1 R1 31 RESISTOR 10K 1 4W 5 RD 4K103J 5 R2 3 6 15 16 32 ...

Page 16: ...RK 1 CASE A ABS380 3101100510 1 2 CASE B BAS380 3101100600 1 3 CUSHION KEY SILICON 6U 3101405900 1 4 SPRING A SUS304 3105100600 1 5 SPRING B SUS304 3105100700 1 6 COMMON SPRING SUS304 3105100800 1 7 SCREW A M1 9 6 5 3108495110 3 8 RESONATOR RJ 455BL 5ZAR455 1 X1 9 ELEC 10VB 47M CEAF10475M 1 C1 CONDENSOR 10 CHIP CONDENSOR CETMK212F221Z T HCQD220MQ 2 C2 3 11 CHIP RESISTOR 1 10W 1 5 OHM HRFT159JCP 1 ...

Page 17: ... is applied to the unit Check the voltage between POWER and RL1 of Main P C B 4 1 Check the Breaker or Fuse Self Diagnostic function is ON Check according to self Diagnostic function Main P C B defect Check the unit display is all off Press the ON OFF button of Remote Control or Front Panel Is the unit display all off Pull out the power plug and then insert the power plug after 5 second Main P C B...

Page 18: ...he compressor Check the winding resistance Check the compressor capacitor Check the connecting wire between Main P C B and the compressor Change Relay RL1 Change the compressor Check the Main P C B the circuit for relay driving Rating voltage less than 90 NG Open or Short Rating voltage less than 90 Rating voltage more than 90 Rating voltage more than 90 OK Only Compressor Do not Run ...

Page 19: ...PCBDRIVINGDESCRIPTION ...

Page 20: ...Display AC voltage of secondary Power Transformer is rectified by 4 Diode and it is filtering by Main Condensor C2 Filtered DC voltage is about 17V is regulated 12V DC by Regulator IC7812 And it is regulated 5V DC by Regulator IC7805 VAR1 is surge filter and C4 C6 is Noise filter AC 220V C1 335 VAR1 POWER TRANS C2 2200 35V C7 100 16V 2 1 3 C6 0 1 C5 470 25V C4 0 1 C3 104 7812 2 1 3 7805 ...

Page 21: ...20 Oscillation 2 1 2 8 MHz MICOM VDD 10 VSS 10 Fig 2 1 DESCRIPTION Oscillatory Frequency drive Micom it is made up 8MHz resonator oscillatory Freqency Ocillatory wave is as following Fig 2 1 ...

Page 22: ...OM 15 R4 300 C13 0 01 R3 12 7K Vcc ROOM PT K43C 2 1 DESCRIPTION Number 15 of Micom is Terminal of A D convertor Input Room temperature is sensing by change of Thermister Resistance Micom is put in 5V by ratio between R3 12 7KΩ and Room sensor Relation between temperature and voltage is following Table 3 1 C13 is Noise filter ...

Page 23: ...r 5 which is gotten field of Carrier 38KHz from Receive Module Signal Wave repeat third as following Fig 5 1 But in Secondary Wave Custom Code is Reversed Face Remote Controller 4 LEADER CODE CUSTOM CODE 0 56ms 0 56ms 1 12ms 2 25ms bit 0 bit 1 DATA CODE 9ms 4 5ms 16bit 16bit Fig 5 2 BIT STRUCTURE Fig 5 1 ...

Page 24: ...23 DESCRIPTION MICOM Power is supplied 5V at Number 28 using VDD Number 6 using Analog Reference of A D Converter C9 C10 is Ripple filter Micom Power Supply 5 MICOM 28 14 6 C10 100µF 16V C9 104 Vcc 5V ...

Page 25: ...M 3 7042 3 1 2 4 2V H L t t POWER ON Vcc 5V DELAY TIME FOR POWER ON RESET DESCRIPTION Voltage less than about 4 2V put in Micom Terminal of Number 6 and then Micom reset Reset IC detect Power ON and Voltage greater than 4 2V and then send Reset Signal ...

Page 26: ...25 R3 10K R2 10K 5V MICOM 13 27 F C TEST Function Selecting 7 Table 9 1 Selection S W SHORT OPEN Function F C F C TEST OK NO DESCRIPTION Selecting Function is as following table 9 1 ...

Page 27: ...1 8 21 R81 T2 Display In Key Out Buzzer R42 AIN2 9 20 R80 INT2 Display In Key Out Display Out R43 AIN3 10 19 R63 Fan Speed Mid Display Out R50 AIN4 11 18 R62 Key In Display Out R51 AIN5 12 17 R61 Key In Fan Speed Low R52 AIN6 13 16 R60 Option F C Auto Swing VSS 14 15 R53 AIN7 Room Sensor 8 KEY COMPONENTS OF ELECTRONIC CIRCUIT TMP47C443N 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 INPUT SCHEMATIC ...

Page 28: ... 7 2K 3K Top View Equivalent Circuit 100K 500 100 100 0 3 10K 6K 500 1K 5K 28K 6K 30pF 2K 5K 200 240 1 4 K 2 7 K 3 3 K 0 19K INPUT OUTPUT GND SCHEMATIC DIAGRAM 1 2 3 Fin 2 is ground for Cose 221A Case is ground for Case 1 10K INPUT GND 10K 300 36K 64K 520 26K 60K 29K 20K 20K 40 pF 50K 50 200 300 200 100 16K 210 012 OUTPUT Pin 1 INPUT 2 GROUND 3 OUTPUT TSUFFIX PLAASTIC PACKAGE CASE 221A TO 220TYPE ...

Page 29: ...res 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 Hou...

Page 30: ...T 1 SILICON COMP ACCESSORY PART 19 3101405AE0 COVER TERMINAL 1 PP COMP ACCESSORY PART 20 3102708020 HARNESS COMP ASS Y 1 AWG 14x3 UL 21 3107000500 FAN CLIP 2 SK5 22 3101802800 FAN BLOWER 1 ABS ABS 730 23 3104202301 PANEL HOUSING 1 SGCC T1 0 26 3104409400 RUBBER PIPE BUTTYL 2 1 MASS 27 3108005613 MOTOR FAN 1 SUNGSHIN IC 12640DWWF6A 28 3100701500 BUSHING GUIDE 1 NBR 29 7S432X5121 SPECIAL SCREW 4 TT3...

Page 31: ...AN 3x6 53 3100509210 BOX CONTROL 1 SGCC T0 8 54 3106902000 CAPACITOR COMP 1 30 400 VAC SUNGSHIN 55 3106901800 CAPACITOR MOTOR 1 6 400 VAC SUNGSHIN 56 3101200600 CLAMP CAPACITOR 1 SGCC T0 8 57 7122401011 SCREW TAPTITE 1 T1 TRS 4x10 58 3101300420 POWER CORD 1 AP 33 59 3101203100 CLAMP POWER CORD 1 DA 6N 60 7122401011 SCREW TAPTITE 1 T1 TRS 4x10 61 3108505800 SEAL CONTROL BOX 1 F PE 62 5EPU040100 TRA...

Page 32: ... DWA 182R ...

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Page 34: ...DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC FAX 02 590 6291 TEL 02 360 7114 590 6151 5 http www dwe daewoo co kr PRINTED DATE JULY 2000 ...