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Daewoo DWA-121R, Руководство по обслуживанию

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21

Power Supply(1)

DESCRIPTION

DC Power Supply in circuit needs +12V and +5V. +12V is used for Compressor Driving Relay, Fan Motor
Driving Relay, Buzzer Driving, Swing Motor Driving Relay and LED 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 reg12V DC by Regulator IC7812.
And it is reg5V 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

Содержание DWA-121R

Страница 1: ...21R DWB 123R DWA 150R DWA 151R DWA 152R DAEWOO ELECTRONICS CO LTD Caution In this Manual some parts can be changed for improving their performance without notice in the parts list So if you need the latest parts information please refer to PPL Parts Price List in Service Information Center http svc dwe co kr S M No DWC121R040 ...

Страница 2: ...on 3 3 Wiring Diagram 12 4 Refrigerant Cycle 13 5 Control Block Diagram 14 6 Circuit Diagram 15 7 Trouble Shooting 18 8 Key Components of Electronic Circuit 28 9 Disassembly Instructions 30 10 Exploded Diagram and Parts List 33 Contents 1 ...

Страница 3: ...n Outdoor Fan Propeller Fan Refrigerant R 22 Control Capillary Charge Q ty g 680 740 790 730 690 760 790 780 Dimensions Unit W x H x D Packing W x H x D Weight Net Weight 88 lbs 38 8Kg Gross Weight 89 lbs 40 3 Kg 30µF 400VAC A2925CA070 OBM 2501P2 5µF 400VAC 25µF 370VAC AM12DWD11 1 OBM 2503U1 4µF 370VAC 90 2 lbs 39 8Kg 97 5 lbs 43Kg 92 lbs 42Kg 96 lbs 43 5Kg Energy Efficiency Ratio AC 208 230V 60Hz...

Страница 4: ...A or B or C NO PART NAME 1 AIR FILTER 2 GRILLE FRONT 3 CABINET 4 BLADE VERTICAL 5 PANEL CONTROL 6 REMOTE CONTROLLER NO PART NAME 7 BLADE HORIZENTAL 8 AIR VENT 9 FRAME GUIDE TOP 10 FRAME WINDOW KIT 11 SHUTTER WINDOW 6 9 3 2 0 7 q 4 8 5 3 2 7 4 8 5 1 1 Room Air conditioner Room Air conditioner ...

Страница 5: ...ANEL CONTROL 6 REMOTE CONTROLLER NO PART NAME 7 BLADE HORIZENTAL 8 AIR VENT 9 FRAME GRILLE 10 FRAME GUIDE TOP 11 FRAME WINDOW KIT 12 SHUTTER WINDOW 6 4 0 q 7 w 8 5 9 5 3 2 1 3 4 8 2 7 1 9 Room Air c ondi tione r Room Air c ondi tione r DW 124R DWA 152R NOTE A or B or C ...

Страница 6: ...u push this button it is selected as follow COOLING TURBO FAN COOLING AUTO SWING 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...

Страница 7: ...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 follow High Mid Low Hi...

Страница 8: ...ton 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 SWITCH To turn the unit ON push this button To turn the unit OFF push this button again MODE SELECT Everytime you push this button It is selected as follow Cooling Turbo Fan Cooling FAN SPEED Everytime you push this button It is selected as follow High Mid Low High ...

Страница 9: ...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 ...

Страница 10: ...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...

Страница 11: ...EEP 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 contr...

Страница 12: ... 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 ...

Страница 13: ...12 3 WIRING DIAGRAM 3103529000 ...

Страница 14: ...Accumulator Compressor M MOTOR Capillary tube Charge Quantity DWA 121R ID1 6Ø x L800 740g DWA 122R DWA 124R 790g DWB 121R 730g DWB 122R DWB 124R 690g DWC 121R DWC 124R 680g DWB 123R 760g DWA 150R 790g DWA 151R DWA 152R 780g Model Name Contents ID1 6Ø x L600 ID1 6Ø x L800 ID1 6Ø x L900 ...

Страница 15: ...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 ...

Страница 16: ...15 6 CIRCUIT DIAGRAM ...

Страница 17: ...K 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 1 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 3...

Страница 18: ...K 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 R...

Страница 19: ... 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...

Страница 20: ...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 ...

Страница 21: ...PCBDRIVINGDESCRIPTION ...

Страница 22: ...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 ...

Страница 23: ...22 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 ...

Страница 24: ...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 ...

Страница 25: ...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 ...

Страница 26: ...25 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 ...

Страница 27: ...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 ...

Страница 28: ...27 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 ...

Страница 29: ...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 ...

Страница 30: ... 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 ...

Страница 31: ...iver Disassemble Frame Grille from chassis All models except DW 124R DWA 152R 1 Remove Front Grille Remove Filter Pre Remove screw 2 point in Front Grille with driver Disassemble Front Grille from chassis 2 Remove the unit from Cabinet Remove screws 2 point from the unit s sides Pull the unit from cabinet 3 Remove Holder Scroll 4 Remove Scroll upper 5 Remove Ass y Control Box Remove screws 4 point...

Страница 32: ...side of Front Grille to the right until the snap fit is released 2 Release left lower snap fit Push the left lower side of chassis to the right with pushing right side of Front Grille to the right until the snap fit is released 3 Pull lower side of the Front Grille until it is separated from the chassis 4 Push base side of the Front Grille to upper side until it is separated from the chassis 5 Aft...

Страница 33: ... Push the left lower side of chassis to the right with pushing right side of Frame Grille to the right until the snap fit is released 3 Pull lower side of the Frame Grille until it is separated from the chassis 4 Push base side of the Frame Grille to upper side until it is separated from the chassis 5 After frame grille is removed remove two screws located in both side of chassis 6 Grip the handle...

Страница 34: ...20T O OD9 52 3104423100 PIPE SUCTION 1 C1220T O OD12 7 DW 121R 124R ONLY 13 3100023120 PIPE SUCTION 1 C1220T O OD12 7 DWA B 122R 123R 124R ONLY 3104423110 PIPE SUCTION 1 C1220T O OD12 7 DWA 150R 151R 152R ONLY 3100061600 PIPE CAPILLARY AS 1 C1220T O ID1 6L800 DWA C 121R 124R ONLY 14 3100061620 PIPE CAPILLARY AS 1 C1220T O ID1 6L600 DWA 150R 151R 152R ONLY 3100061610 PIPE CAPILLARY AS 1 C1220T O ID...

Страница 35: ...00010 BUSHING GUIDE 1 NBR 3108004920 MOTOR FAN 1 DAEWOO MOTOR AM 12DWD10 DWC 121R 124R ONLY 3108005020 MOTOR FAN 1 DAEWOO MOTOR AM 12DWD12 DWA 121R DWA 122R 124R ONLY 3108006000 MOTOR FAN 1 OBM2502U1 DWA 121R DWA 122R 124R ONLY 25 3108005110 MOTOR FAN 1 DAEWOO MOTOR A9525CA070 DWB 121R DWB 122R 123R 124R ONLY 3108006100 MOTOR FAN 1 OBM2501P2 DWB 121R DWB 122R 123R 124R ONLY 3108005220 MOTOR FAN 1 ...

Страница 36: ...505110 CAPACITOR 1 5 35µF 400VAC DWB 121R 123R ONLY 3109507700 CAPACITOR 1 5 35µF 400VAC DWB 121R 123R ONLY 3109507710 CAPACITOR 1 5 35µF 400VAC DWB 121R 123R ONLY 3109507000 CAPACITOR 1 5 30µF 400VAC DWB 122R 124R ONLY 3109507010 CAPACITOR 1 5 30µF 400VAC DWB 122R 124R ONLY 3109503410 CAPACITOR 1 4 25µF 370VAC DWA 150R 151R 152R ONLY 45 3101201600 CLAMP CAPACITOR 1 SGCC T0 8 3108004800 MOTOR SWIN...

Страница 37: ... DWA 121R DWA 122R DWB 121R DWB 122R DWB 123R DWC 121R DWA 150R ...

Страница 38: ...A 151R DWA 151R EXPLODED DIAGRAM ...

Страница 39: ... DW 124R DWA 152R EXPLODED DIAGRAM NOTE A or B or C ...

Страница 40: ......

Страница 41: ... 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 APR 2002 ...

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