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Daewoo DSB-092A Service Manual

Split system air conditioner
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Service Manual

Split System Air
Conditioner
Model: DSB-092A/AH
DSB-123A/AH/PH
DSB-182PH
DSA-240A-R/AH-R
DSB-240AH-R/PH-R
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).
by Nemko
DAEWOO ELECTRONICS CO., LTD.
S/M No. : 3113907300

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Summary of Contents for Daewoo DSB-092A

  • Page 1: Service Manual

    : 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). by Nemko DAEWOO ELECTRONICS CO., LTD.

  • Page 2: Table Of Contents

    Contents CONTENTS 1. Specifications......................2 2. Outline and Dimensions ..................9 3. Operation ......................16 4. Wiring Diagram.....................41 5. Refrigerant Cycle....................49 6. Control Block Diagram ..................51 7. Trouble Shooting....................53 8. Key Components of Electronic Circuit ..............91 9. Disassembly Instructions ..................94 1) Indoor Unit ......................94 2) Outdoor Unit .....................99 3) Exploded Diagram (Indoor Unit)..............104 4) Exploded Diagram (Outdoor Unit)..............115...

  • Page 3: Specifications

    1. SPECIFICATIONS * DSB-092A MODEL DSB-092A ITEM Function Cooling Class Power AC 220~240V/ 50Hz Capacity 2,637 Btu/h 9,000 Dehumidification 1.15 Running Current Electrical Power Input Data Starting Current Type Rotary Compressor Model RBB090A011 Capacitor 25µF / 370VAC Indoor Unit Outdoor Unit...
  • Page 4 * DSB-092AH MODEL DSB-092AH ITEM Function Cooling & Heating Class Power AC 220~240V/ 50Hz Capacity 2,637/2,637 Btu/h 9,000/9,000 Dehumidification 1.15 Running Current 4.5/4.5 Electrical Power Input 1,000/1,000 Data Starting Current Type Rotary Compressor Model RBB100A011 Capacitor 30µF / 370VAC Indoor Unit Outdoor Unit Type Cross flow fan...
  • Page 5 * DSB-123A MODEL DSB-123A ITEM Function Cooling Class Power AC 220~240V/ 50Hz Capacity 3,517 Btu/h 12,000 Dehumidification 1.35 Running Current Electrical Power Input 1,300 Data Starting Current Type Rotary Compressor Model RCB 120A001 Capacitor 25µF/ 370VAC Division Indoor Unit Outdoor Unit Type Cross flow fan Propeller fan...
  • Page 6 * DSB-123AH/123PH MODEL DSB-123AH/123PH ITEM Function Cooling & Heating Class Power AC 220~240V/ 50Hz Capacity 3,517/3,810 Btu/h 12,000/13,000 Dehumidification 1.28 Running Current 6.8/7.3 Electrical Power Input 1,500/1,550 Data Starting Current Type Rotary Compressor Model RCB 150A001 Capacitor 35µF/ 370VAC Division Indoor Unit Outdoor Unit Type...
  • Page 7 * DSB-182PH MODEL DSB-182PH ITEM Function Cooling & Heating Class Power AC 220~240V/ 50Hz Capacity 5,129/5,422 Btu/h 17,500/18,500 Dehumidification Running Current 9.65/10 Electrical Power Input 2,150/2,235 Data Starting Current Type Rotary Compressor Model SHW33TC4-U Capacitor 50µF / 370VAC Indoor Unit Outdoor Unit Type Cross flow fan...
  • Page 8 * DSB-240AH-R/240PH-R MODEL DSB-240AH-R/240PH-R ITEM Function Cooling & Heating Class Power AC 220~240V/ 50Hz Capacity 7,034/7,034 Btu/h 24,000/24,000 Dehumidification 2.67 Running Current 13.4 / 13.6 Power Input 2,450 / 2,500 Electrical Data Starting Current Type Recipro Compressor Model AWG5530EXC Capacitor 45µF/ 400VAC Division Indoor Unit...
  • Page 9 * DSA-240AH-R/240PH-R MODEL DSA-240AH-R/240PH-R ITEM Remark JIS C9812 SAA385386 Function Cooling & Heating Class Power AC 220V / 60Hz 7,034/7,034 5,129 Capacity Btu/h 24,000/24,000 17.5 Dehumidification 2.67 Running Current 11.5/11.8 Electrical Power Input 2,500/2,500 2,800 Data Starting Current Type Recipro Compressor Model AWG5524EXN...

  • Page 10: Outline And Dimensions

    2. OUTLINE AND DIMENSIONS INDOOR UNIT * DSB-092A/092AH...
  • Page 11 * DSB-123A/123AH/123PH...
  • Page 12 * DSB-182PH...
  • Page 13 * DSA-240A-R/240AH-R, DSB-240AH-R/240PH-R...
  • Page 14 OUTDOOR UNIT * DSB-092A/092AH/123A/123AH/123PH...
  • Page 15 * DSB-182PH...
  • Page 16 * DSA-240A-R/240AH-R, DSB-240AH-R/240PH-R...

  • Page 17: Name And Function Of Parts

    3. OPERATION NAME AND FUNCTION OF PARTS Indoor Unit * DSB-092A/092AH Deodorizing Filter(Option) Electrostatic Filter(Option) Removes bad smells from the air. Removes dust and particles Air Inlet from the air O2 Hose Cover Lamp Fan Direction Remote Antibacterial Filter (Up, Down)
  • Page 18 * DSB-123A/123AH/123PH Deodorizing Filter Air Inlet Electric Dust Collector Removes bad smells (DSB-123PH) from the air. Electrostatic Filter Removes dust and particles from the air O2 HOSE COVER (ONLY 123A/AH) Lamp Antibacterial Air Outlet Fan Direction Filter (Up, Down) Removes dust and prohibits germs.
  • Page 19 * DSB-182PH Electric Dust Collector Test/Emergency/ Deodorizing Filter Removes bad Remote Switch Air In smells from the air. Slide to select the desired position. Indoor Cover Air Cleaning Remote Sensor Filters Removes dust and prohibits Indicators germs. Indicate the Fan Direction Cold Air AC setting.
  • Page 20 * DSA-240A-R/240AH-R, DSB-240AH-R/PH-R Electric Dust Collector Deodorizing Filter Removes bad smells from the air. AIR IN Indoor Cover Air Cleaning Filters O2 Hose Cover Removes dust and (DSA-240A-R/AH-R, prohibits germs. DSB-240AH-R) AIR OUT Remote Fan Direction Sensor (Up/Down) Emergency/Remote Switch Indicators Indicate the Fan Direction...
  • Page 21 * DSB-092A/092AH Indoor Unit Display Switch Panel Remote Control Signal Receiver This place is the part to receive the signal if it receives the signal, you can hear the signal “beep. “beep. beep.” EMR. REMOCON There is a switch panel at inside of Front Panel.
  • Page 22 * DSB-123A/AH/PH Indoor Unit Display Switch Panel Remote Control Signal Receiver This place is the part to receive the signal if it receives the signal, you can hear the signal “beep. beep”. REMOCON EMERGENCY REMOCON EMERGENCY Air clean Timer (Yellow) There is a switch panel at inside of Front Panel.
  • Page 23 * DSB-182PH Indoor Unit Display Switch Panel Remote Control Signal Receiver This place is the part to receive the signal if it receives the signal, you can hear the signal Ò beep. beepÓ . EMERGENCY REMOTE (DSB-182L/LH/L-R/LH-R) (DSB-182PH) TIMER TIMER QUICK QUICK AIR CLEAN...
  • Page 24 * DSA-240A-R/240AH-R, DSB-240AH-R/240PH-R Indoor Unit Display Switch Panel Remote Control Signal Receiver This place is the part to receive the signal if it receives the signal, you can hear the signal “beep. “beep, beep.” REMOCON EMERGENCY EMERGENCY REMOCON There is a switch panel at inside of Front Panel.
  • Page 25 Outdoor Unit * DSB-092A/092AH/123A/123AH/123PH Connection Cover Remove cover to access the AC connection AIR IN to the indoor unit. Connection Wire O2 Hose Wire (092A/123A/AH) Connecting Pipe AIR OUT Drain Hose Service Valves The indoor and outdoor units are connected by copper tubes...
  • Page 26 * DSB-182PH AC Cover Remove cover to access the AC AIR IN connection from this unit to the indoor unit. Connection Wire Drain Hose COPPER TUBING AIR OUT Service Valves The indoor and outdoor units are connected by copper tubes which are connected here.
  • Page 27 * DSA-240A-R/240AH-R, DSB-240AH-R/240PH-R Air Inlet Connection wire O2 Hose wire (DSA-240A-R/AH-R DSB-240AH-R) Drain Hose Air Outlet Connection Pipe...

  • Page 28: Remote Controller

    REMOTE CONTROLLER Name of Each Button * DSB-092A/DSB-123A/DSA-240A-R Display AUTO Display information ON/OFF Button Press to turn the unit on or off. TEMPERATURE Buttons FAN SPEED Button Press to raise or lower Press to select the fan speed the desired temperature.
  • Page 29 * DSB-092AH/DSB-123AH/DSA-240AH-R/DSB-240AH-R Display AUTO Display information ON/OFF Button Press to turn the unit on or off. TEMPERATURE Buttons FAN SPEED Button Press to raise or lower Press to select the fan speed the desired temperature. (High " ", Middle " ", Low " ", FAN DIR.
  • Page 30 * DSB-123PH/DSB-240PH-R Display AUTO Display information ON/OFF Button Press to turn the unit on or off. TEMPERATURE Buttons FAN SPEED Button Press to raise or lower Press to select the fan speed the desired temperature. (High " ", Middle " ", Low " ", FAN DIR.
  • Page 31 * DSB-182PH Display AUTO Displays information pertaining to unit. ON/OFF Button Press to turn the unit on or off. TEMPERATURE Buttons Press to raise or lower FAN SPEED Button the desired temperature. Press to select the fan speed FAN DIR. Button (High "...

  • Page 32: Remote Controller Display

    REMOTE CONTROLLER DISPLAY * DSB-092A/DSB-123A/DSA-240A-R MODE Indicators (Auto/Quick/Cool/Fan/Dehumidifier) Light to indicate the mode selected. OXYGEN Indicator AUTO Light to indicate the oxygen mode. FAN Indicators FAN DIRECTION Indicators Light to indicate Light to indicate the the fan speed. fan direction.
  • Page 33 * DSB-123PH/DSB-240PH-R MODE Indicators (Auto/Quick/Cool/Fan/Dehumidifier/Heat) Light to indicate the mode selected. PLASMA Indicator AUTO Light to indicate the plasma mode. FAN Indicators FAN DIRECTION Indicators Light to indicate Light to indicate the the fan speed. fan direction. NATURAL Indicator Light to indicate the speeds simulating a breeze.
  • Page 34 DESCRIPTION OF FUNCTIONS OFF-Timer If you set time in OFF-Timer Mode, the unit will stop at the set time. Unit ON Unit OFF SET Time HOUR ON-Timer If you set time in ON-Timer Mode, the unit will run at the set time. Unit ON Unit OFF SET Time...
  • Page 35 Fan Speed (Indoor Unit) (1) Motor speed (high speed, middle speed, low speed). (2) Remote controller setting fan speed. (Auto, L, M, H, Natural) (3) Relation of operating mode between fan speed. DEHUMI- FAN ONLY COOL AUTO QUICK HEAT DIFICATION Auto Auto Auto...

  • Page 36: Sleep Mode

    Sleep Mode (1) When you are going to sleep, select sleep switch and the unit controls the room to the desired temperature. (The unit will not operate after 4 hour) (2) For changing the temperature. +0.5°C +0.5°C –0.5°C +0.5°C –0.5°C –0.5°C HOUR HOUR...

  • Page 37: Auto Mode

    3 min. Time Delay of Compressor In normal operation, there is a time delay of three minutes between turn off and turning back on including initial power up. Auto Mode (1) In Auto Mode After the indoor fan is operated for 20 seconds in the Auto Mode the unit will operate automatically by selecting operating Mode according to the room temperature (RT: Room temperature) ROOM TEMPERATURE...

  • Page 38: Dehumidification Mode

    Dehumidification Mode Desired temperature < Room temperature Outdoor Fan, Compressor : ON Indoor Fan : Low speed > = Desired temperature Room temperature Compressor : 3 min/ON, 5 min/OFF Fan Speed : low speed < = Room temperature 18 C Compressor : OFF Fan speed : Low speed Air Discharge Direction(only remocon operation)
  • Page 39 Self-Diagnostic Function The control will contain diagnostic test to verify the integrity of the system. (1)Error Code Display Pattern ON LAMP: Blink LED BLINK PATTERN CASE NOTE Room Sensor open or Short • Continuously woorking to fix room temperature 18°C in heating mode. •...
  • Page 40 OXYGEN GENERATION MODE 1. Principle of O2, Generation * Fast diffusion of selection gas by difference osmosis. Notes. 1. While air-cleaning mode is on, there may be a fishilke smell amount of ozone, which is harmless to health. 2. You must use oxygen generation function above 0°C because of destructions of main parts, In the caser of below 0°C, oxygen generation function is not operated and ventilation function supplies fresh outdoor air.
  • Page 41 PLASMA MODE 1. Air Cleaning using PLASMA A cleanness device with plasma removes dust, mold and germ in impure indoor air. Also, it has the function of air purity to be maintained clean and fresh indoor air as the function of deodorization with an active carbon.

  • Page 42: Wiring Diagram

    4. WIRING DIAGRAM Indoor Unit DSB-092A DSB-092AH DSB-123A DSB-123AH...
  • Page 43 DSB-123PH DSA-182PH, DSB-182PH DSB-240AH-R DSB-240PH-R...
  • Page 44 DSA-240A-R DSA-240AH-R DSA-240PH-R...
  • Page 45 Outdoor Unit DSB-092AH DSB-092A DSB-123A DSB-123AH DSA-182PH/181LH/182LH, DSB-123PH/LH DSB-182PH/181LH/182LH...
  • Page 46 DSA-240A-R, DSB-240A-R DSA-240AH-R, DSB-240AH-R DSA-240PH-R, DSB-240PH-R/LH-R...
  • Page 47 MAIN ELECTRIC PARTS * DSB-092A PART NAME PART CODE SPEC. QUANTITY REMARK Fan Motor 3108008700 YDK-8-4B Fan Motor Capacitor 3106900300 1.0uF 400VAC Indoor Fuse 5FVLB3152L 250V 3.15A Unit Stepping Motor 3108003900 GSP-24SW-061 Terminal Block 3108912300 SN-DBW-05P Compressor 3RC0020KE0 RBB095A011 Outdoor...
  • Page 48 * DSB-182PH PART NAME PART CODE SPEC. QUANTITY REMARK Fan Motor 3108000311 IC-9425DWKC5C Fan Motor Capacitor 3106900200 1.2µF 450VAC Fuse 5FVLB3152L 250V 3.15A Transformer 5EPV633110 220V 50Hz Indoor 3108004300 DC12V, 400mm Stepping Motor Unit 3108004310 DC12V, 1300mm Terminal Block 3108912320 SN-DBW-4P Voltage Generator 3113701200...
  • Page 49 * DSB-240AH-R/240PH-R PART NAME PART CODE SPEC. QUANTITY REMARK Fan Motor 3108003800 220/50/60Hz Fan Motor Capacitor 3106902400 2.0uF 400VAC Fuse 5FVLB3152L 250V 3.15A Indoor Transformer 5EPV050120 230V/50Hz Stepping Motor 3108007600 GSP-24RW-062 Unit Terminal Block 3108912320 SN-DBW-4P 3113701800 5.6KV DSB-240AH-R Voltage Generator 3113701500 5.6KV DSB-240PH-R...

  • Page 50: Refrigerant Cycle

    Condenser Propeller fan OUTDOOR UNIT Refrigerant flow Note) If the pipe length exceeds the standard length, add 30g of refrigerant per extra meter. Model Name DSB-092A DSB-123A DSB-240A-R Contents IDØ1.6 x ODØ3.2 x 1200L IDØ1.6 x ODØ3.2 x 600L IDØ2.0 x L500...
  • Page 51 Note) If the pipe length exceeds the standard length, add 30g of refrigerant per extra meter. Model Name DSB-092AH DSB-123AH/PH DSB-182PH DSA-240AH-R DSB-240AH-R/PH-R Contents IDØ1.4 x L900 IDØ1.8 x L1,200 ID Ø1.8 x L800 ID Ø2.0 x L600 IDØ2.0 x ODØ3.2 x 600L Cool Capillary Tube Heat...

  • Page 52: Control Block Diagram

    6. CONTROL BLOCK DIAGRAM * DSB-092A, 123A, 123AH, 123PH Operating Mode Remote Unit on lamp Signal receiver Fan Speed Air clean lamp Emergency Timer Selection Quick lamp Flap Position Operation Timer lamp Temp. Setting ON/OFF Room air temp. SLEEP Indoor coil temp.
  • Page 53 * DSB-240A, 240AH, 240PH, 182PH Operating Mode Unit on lamp Remote Signal receiver Fan Speed Air clean lamp Emergency Timer Selection Quick lamp Flap Position Operation Timer lamp Temp. Setting ON/OFF Room air temp. SLEEP Indoor coil temp. REMOCON Outdoor coil temp Circuit for signal receiver A/D converter...

  • Page 54: Trouble Shooting

    7. TROUBLE SHOOTING...

  • Page 55: Indoor Unit

    Note 1) Neither indoor unit nor outdoor unit runs. Check the following points first. (There are following case in normal operation) a. Is the timer mode set the "timer ON". b. Is the timer mode set the "timer-OFF" and the time had passed? Neither outdoor fan nor compressor runs while indoor fan runs.

  • Page 56: Outdoor Unit

    Neither Indoor Unit nor Outdoor Unit Runs Confirm following statement. When the unit operate normally, Sometimes the outdoor unit and indoor unit cannot operate. Check the function select switch. Is it timer mode? The function select switch locate the sleep mode and is the setting time over? Is the setting mode DEHUMIDIFIER mode? When the unit is DEHUMIDIFIER mode while in the auto mode, the outdoor unit and indoor unit does not run.
  • Page 57 Outdoor Unit Runs but Indoor Fan does Not Run Check rotation of indoor fan Check the Fan Motor bearing and fan Rotate indoor fan by hand Check the power P.C.B. Rating voltage Check input Voltage of Fan Motor connector at power P .C.B under 90% The circuit for triac control Rating Voltage more than 90%...
  • Page 58 Outdoor Fan and Compressor Do Not Run Confirm following statement. When the unit operate normally, Sometimes the outdoor unit and indoor unit cannot operate. Is the setting temperature proper? Is the unit during 3min. Time delay of compressor. During frost prevention of lndoor unit. During dehumidifier mode.
  • Page 59 Only Compressor does not Run - Check the following at cooling mode Check the control P .C.B Rating voltage Check the voltge between the circuit for relay of indoor unit terminal less than 90% driving. Rating voltage more than 90% Check the connecting Rating voltage wire between indoor...
  • Page 60 PCB DRIVING DESCRIPTION...

  • Page 61: Pcb Circuit Diagram

    PCB CIRCUIT DIAGRAM * DSB-092A, AH...
  • Page 63 * DSB-123A, AH, PH...
  • Page 65 * DSA-182PH/DSB-182PH...
  • Page 67 * DSA-240A, AH, PH/DSB-240A, AH, PH...
  • Page 69 DSB-092A PART LIST (INDOOR UNIT) PART NAME SPEC LOCATION FUSE 250V 50T 3.15A FUSE FUSE CLIP AFC-520 FUSE VARISTOR 15G561K WAFER YW396-05AVD WAFER YW396-03AVD WAFER YW396-03AVD(BL) C-CERA 104Z,50VDC CC1,2,5,6,7 C-CERA 103Z,50VDC CC3,4,9,10,,12 C-MULTI 104Z,CR0561B-Z5U C-ELEC 470uF 35V SD C-ELEC 10uF 450V SD...
  • Page 70 PART NAME SPEC LOCATION FILTER EMI 0.6*10*3TURN BUZZER BM-20K COIL 130uH, 3A IC REGULATOR KIA7805P KRC102M IC RESET KIA7042P RELAY UKH-12S RELAY US11-12S SW TRANS 264P,1916 TRS1 CAPACITOR 1uF,400VAC CAP1 PCB CONTROL 162.5X140X1.6T IC SWITCHING TNY264P DIODE BRIDGE S1NB80 TRIAC SM3JZ47 PHOTO COUPLER TLP560J...
  • Page 71 DSB-092AH PART LIST (INDOOR UNIT) PART NAME SPEC LOCATION 250V 50T 3.15A FUSE FUSE CLIP AFC-520 FUSE VARISTOR 15G561K WAFER YW396-05AVD WAFER YW396-03AVD WAFER YW396-03AVD(BL) C-CERA 104Z,50VDC CC1,2,5,6,7 C-CERA 103Z,50VDC CC3,4,9,10,11,12 C-MULTI 104Z,CR0561B-Z5U C-ELEC 470uF 35V SD C-ELEC 10uF 450V SD CE3,CE4 C-ELEC 100uF 16V SD...
  • Page 72 PART NAME SPEC LOCATION DIODE UF203 DIODE ZENOR 1N5241B DIODE ST01D-200 C-CERA 2200pF, 250V CHOKE COIL 1mH, 0.5A FILTER EMI 0.6*10*3TURN BUZZER BM-20K COIL 130uH, 3A IC REGULATOR KIA7805P KRC102M IC RESET KIA7042P RELAY US11-12S RL3,4 RELAY UKH-12S SW TRANS 264P,1916 TRS1 CAPACITOR...
  • Page 73 DSB-123A PART LIST (INDOOR UNIT) PART NAME SPEC LOCATION FUSE 250V 50T 3.15A FUSE FUSE CLIP AFC-520 FUSE VARISTOR 15G561K WAFER YW396-05AVD WAFER YW396-03AVD WAFER YW396-03AVD(BL) C-CERA 104Z,50VDC CC1,2,5,6,7 C-CERA 103Z,50VDC CC3,4,9,10,12 C-MULTI 104Z,CR0561B-Z5U C-ELEC 470uF 35V SD C-ELEC 10uF 450V SD CE3,CE4 C-ELEC 100uF 16V SD...
  • Page 74 PART NAME SPEC LOCATION DIODE ST01D-200 C-CERA 4700pF, 250V CY1,CY2 CHOKE COIL 1mH, 0.5A L1,L2,L4 BUZZER BM-20K COIL 130uH, 3A IC REGULATOR KIA7805P KRC102M IC RESET KIA7042P RELAY UKH-12S RELAY US11-12S SW TRANS 264P,1916 TRS1 CAPACITOR 1.5uF,400VAC CAP1 PCB CONTROL 165.5X140X1.6T IC SWITCHING TNY264P...
  • Page 75 DSB-123AH,PH PART LIST (INDOOR UNIT) PART NAME SPEC LOCATION FUSE 250V 50T 3.15A FUSE FUSE CLIP AFC-520 FUSE VARISTOR 15G561K WAFER YW396-05AVD WAFER YW396-03AVD WAFER YW396-03AVD(BL) C-CERA 104Z,50VDC CC1,2,5,6,7 C-CERA 103Z,50VDC CC3,4,9,10,11,12 C-MULTI 104Z,CR0561B-Z5U C-ELEC 470uF 35V SD C-ELEC 10uF 450V SD CE3,CE4 C-ELEC 100uF 16V SD...
  • Page 76 PART NAME SPEC LOCATION WAFER YMAW250-02 DIODE 1N4007 TAPE DIODE UF203 DIODE ZENOR 1N5241B DIODE ST01D-200 C-CERA 4700pF, 250V CY1,CY2 CHOKE COIL 1mH, 0.5A L1,L2,L4 BUZZER BM-20K COIL 130uH, 3A COIL UU,40mH IC REGULATOR KIA7805P KRC102M IC RESET KIA7042P RELAY US11-12S RL2,3,4 RELAY...
  • Page 77 DSB-240A PART LIST (INDOOR UNIT) PART NAME SPEC LOCATION PART NAME SPEC LOCATION GP881206-2(250) CC,CL FUSE 250V 50T 3.15A FUSE WAFER SMW250-06(WHITE) CN13 FUSE CLIP AFC-520 FUSE CLIP WAFER YFW800-02D WAFER YW396-05AVD(RED) WAFER YW396-05AVD WAFER YW396-03AVD WAFER YW396-03AVD(BL) WAFER SMW250-08 CN11 WAFER YFW254S-02...
  • Page 78 PART NAME SPEC LOCATION JUMPER BUZZER DP-2520BA COIL 130uH 3A PCB MAIN 160.5X140X1.6T(42) RELAY CS11-SH12 RL1,RL4 IC REGULATOR KIA7812P IC REGULATOR KIA7805P KRC102M IC RESET KIA7042P TRIAC SM3JZ47 PHOTO COUPLER TLP560J RESONATOR CST8.00MGW IC MICOM TMP87C846AN IC DRIVE TD62004AP IC4,6...
  • Page 79 DSB-240AH,PH PART LIST (INDOOR UNIT) PART NAME SPEC LOCATION GP881205-2(187) GP881206-2(250) CC,CL FUSE 250V 50T 3.15A FUSE WAFER SMW250-06(WHITE) CN13 FUSE CLIP AFC-520 FUSE CLIP WAFER YFW800-01D WAFER YFW800-02D WAFER YW396-05AVD(RED) WAFER YW396-05AVD WAFER YW396-03AVD WAFER YW396-03AVD(BL) WAFER SMW250-08 CN11 WAFER YFW254S-02 TEST...
  • Page 80 PART NAME SPEC LOCATION RESISTOR ARRAY 6A 103J C-LINE ACROSS 275V 104K CL1,2 JUMPER BUZZER DP-2520BA COIL 130uH 3A PCB MAIN 160.5X140X1.6T(42) RELAY CS11-SH12 RL1,2,3,4 IC REGULATOR KIA7812P IC REGULATOR KIA7805P KRC102M IC RESET KIA7042P TRIAC SM3JZ47 PHOTO COUPLER TLP560J RESONATOR CST8.00MGW IC MICOM...
  • Page 81 DSB-182PH CONTROL PART NAME SPEC LOCATION WAFER SMW250-06(WHITE) CN5,CN6 WAFER SMW250-06(RED) WAFER SMAW250-10 WAFER SMW250-07 WAFER SMW250-02 WAFER YF254S-02 TEST WAFER 5267-04A WAFER 5267-02A DIODE 1N4148 TAPE C-CERA 103Z,50VDC CC3,4,5,6,8,9,10 C-CERA 104Z,25VDC CC1,2,7 C-MULTI 104Z,CR0561B-Z5U CC13 C-ELEC 10uF 16V SS C-ELEC 4.7uF 50V SS C-ARRAY...
  • Page 82 DSB-182PH POWER PART NAME SPEC LOCATION GP881205-2(187) GP881206-2(250) CC,CL FUSE CLIP AFC-520 FUSE FUSE 250V 50T 3.15A WAFER YFW800-01D WAFER YFW800-02D WAFER YW396-05AVD(RED) WAFER YW396-05AVD WAFER YW396-03AVD WAFER YW396-03AVD(BLUE) WAFER SMW250-10 WAFER 5281-02A DIODE 1N4004 TAPE D1,2,3,4,5,6 VARISTOR 15G561K C-CERA 103Z,50VDC C-CERA 104Z,25VDC...
  • Page 83 * R-OPT. DETAIL LIST High MODEL Monitoring Cool Heat Cool Heat LOCATION DSB-121L 2.87K 28.0K DSB-122LH 2.87K 2.87K 28.0K 28.0K 24.3K DSB-182L/L-R (151L) 3.65K 22.6K DSB-182LH/L-R, PH 3.65K 3.65K 22.6K 22.6K 22.1K LOCATION R33 (R41) R34 (R40) R35 (R39) R36 (R38) R37 (R42) DSB-070L, 091L, 092L 3.24K...
  • Page 84 * LED PCB ASS`Y (MODEL : 070L/LH, 071LH, 091L/LH, 092LH, 052M/H, 092A/AH) PART CODE PART NAME SPEC Q'TY UNIT REMARK CDXE1H104M C-MULTI CR501B-Z5U,104Z,50V 3108804800 WAFER SMAW250-08 HOLD 3103002700 HOLDER LED DDLS05031D DLSO-5031D(RED) DDLG05031D DLG-5031D(GRN) DDLS05031D DLSO-5031D(RED) DDLY05031D DLY-5031D(YLW) 3104398201 PCB LED 110*31*1.6T.10(288) 1TSP1838YA RECEIVER MODULE...
  • Page 85 Power Supply(1) AC 220V 275V 7812 104K 7805 FUSE1 VI VO VI VO 3.15A 100µF 1000µF 470µF POWER TRANS DESCRIPTION DC Power Supply in circuit needs +12V and +5V. +12V is used for Compressor Driving Relay, Triac Driving Photo Triac, Buzzer Driving Swing, Sweep Motor. AC voltage of secondary Power Transformer is rectified by Bridge Diode, and it is filtering by Main Condensor CE1.
  • Page 86 DESCRIPTION Oscillatory Frequency drive Micom, it is made up 8MHz resonator oscillatory Freqency. Ocillatory wave is as following Fig 2-1. -10% +10% Fig 2-1 Sensor(3) Room temperature and Evaporator temperature Sensor Input 070LH,091LH 182LH, 240LH O/C SENSOR 12.7kF CN10 MICOM I/C SENSOR 12.7KF ROOM SENSOR...
  • Page 87 Triac Driving(4) AC 220V TLP561 130µH MICOM 0.1µF 120Ohm SM3JZ47 KID 65004 TO MOTOR 1/2W DESCRIPTION Number 38 Terminal of Micom is put out Pulse Output, by way of Buffer it is driving Photo Triac is supplied Trigger Signal. Trigger Test of Triac is detected Zero Cross Part of AC input and it is triggered from Zero Cross part to Time delay part according to Fan Speed.
  • Page 88 Remote Controller(5) DESCRIPTION Signal from Remote Controller put in only Control Data Signal at Micom Terminal of Number 33, which is gotten fid of Carrier (38KHz) from Receive Module. Signal Wave repeat third as following Fig 5-1. But in Secondary Wave Custom Code is Reversed Face. 4.5ms 16bit 24bit...
  • Page 89 Micom Power Supply(7) VDD 42 CC11 10µF MICOM 8MHz CC13 DESCRIPTION MICOM Power is supplied 5V at Number 42 using VDD, Number 19, 20 Vsing Oscillator, CC13 is noise filter.
  • Page 90 Reset(8) MICOM 5.6K 7042P 10.3 4.7uF/50V DESCRIPTION Voltage less than about 0.8V put in Micom Terminal of Number 18 and then Micom reset. Reset IC detect Power ON and Voltage less than 4.25V, and then send Reset Signal. Vcc (+5V) 4.25V DELAY TIME FOR POWER ON...
  • Page 91 Function Selecting(9) F3 104Z 4A 103J MILD/HIGH HEAT/COOL MICOM F5 104Z 103J heat/low cool/low model heat/high cool/high monitoring DESCRIPTION Selecting function is as following table 9-1. * When power source is put at fist, Funtion selection input is recognized. And when the unit is running the microcomputer ignore variation of funtion selection input. MILD –...
  • Page 92 Zero Crossing Detect(11) KRC120M MICOM TRANS OUTPUT 5.6K DESCRIPTION It defect Zero Cross part of Trans output voltage, Transistor TR1 is used to put in the Micom. Detail Driving is as following Fig 11-1. R19 is Resistance to limit current. AC18V Number 31 of...
  • Page 93 Stepping Motor Driving(12) CN13 Ø 1 Ø 2 FOR SWING MICOM Ø 3 Ø 4 KID65004 DESCRIPTION There are one Stepping Motor for Flap (up and down) and it is used 4 face Drive Method. It is driving as following Fig 12-1. (Ring Count Method of 8 Status) Ø...
  • Page 94 REMOTE CONTROLLER ASSMBLY FUNCTIONAL TEST METHOD TEST START Power supply again Power Supply Is Display at the beginning ON? Select ON/OFF button Check the Following BATTERY SPRING MICOM Is Display at the beginning ON? Select Mode button Is it normal? ERROR Select FAN SPEED button Is it normal?
  • Page 95 ERROR Is LCD display OFF? Select TIMER ON Button ERROR Is it normal Select Timer Enter Button ERROR display? TIMER Select CANCEL Button Is all display OFF? ERROR Select ON/OFF Button Select OFF (Timer) Button (0.5~24 HOUR) ERROR Is it normal? Select SLEEP Button SLEEP MODE ERROR...

  • Page 96: Key Components Of Electronic Circuit

    8. KEY COMPONENTS OF ELECTRONIC CIRCUIT (1) U1 (MICOM) P77(HSO) P76(HSCK) (XTOUT)P22 Steppping Motor Driving P75(SO) (XTIN)P21 P74(SI) (INT5/STOP)P20 P73(SCK) Indoor Unit Motor Driving P72(PDO/PWM) P71(INT4) (TC2)P15 P70(INT3/TC3) (PPG)P14 (DVO)P13 Buzzer Driving (INT2/TC1)P12 Remocon Input LED Driving (INT1)P11 Comp Relay Driving (INTO)P10 Zero Crosing Detect (AIN7)P67...
  • Page 97 (2) U2, 4 (KID65004) DARLINGTON ARRAYS IN1 1 16 OUT 1 KID65004AP IN2 2 15 OUT 2 COMMON IN 3 3 14 OUT 3 INPUT OUTPUT IN 4 4 13 OUT 4 10.5KΩ IN5 5 12 OUT 5 7.2KΩ IN6 6 11 OUT 6 IN7 7 10 OUT 7...
  • Page 98 (5) U9 (KIA7042P) : RESET IC KIA70 INPUT OUTLINE GROUND OUTPUT...

  • Page 99: Disassembly Instructions

    9. DISASSEMBLY INSTRUCTIONS INDOOR UNIT * DSB-092A/092AH PROCEDURES PHOTOS 1. Stop the operation of the Air conditioner and disconnect the power cord from the wall outlet. Fig 1 2. Removing the Insert Grille and Frame Grille. (Fig 1~2) 1 Draw up the Insert Grille and remove it.
  • Page 100 * DSB-123A/AH/PH PROCEDURES PHOTOS 1. Stop the operation of the Air conditioner and disconnect the power cord from the wall outlet. Fig 1 2. Removing the Insert Grille and Frame Grille. (Fig 1~2) 1 Draw up the Insert Grille and remove it. 2 Loosen the screw fixed at the Cover Ter-Block.
  • Page 101 * DSB-182PH PROCEDURES PHOTOS 1. Stop the operation of the Air conditioner and disconnect the power cord from the wall outlet. 2. Removing the Insert Grille and Frame. Fig 1 1 Loosen three screws fixed at the the Insert Grille and Frame. (Pull out the frame cap before loosening three screws) (Fig 1) 2 Loosen three screws fixed at the Drain Pan.
  • Page 102 PROCEDURES PHOTOS 7. Removing the blower. ! Loosen the screw fixed at the holder bearing. @ Remove the blower. Fig 7 Fig 8...
  • Page 103 * DSA-240A-R/240AH-R/DSB-240AH-R/240PH-R PROCEDURES PHOTOS 1. Stop the operation of the Air conditioner and disconnect the power cord from the wall outlet. Fig 1 2. Removing the Insert Grille and Frame Grille. (Fig 1~2) 1 Draw up the Insert Grille and remove it. 2 Loosen the screws fixed at the Cover Ter-Block.
  • Page 104 OUTDOOR UNIT * DSB-092A/092AH/DSB-123A/123AH PROCEDURES PHOTOS 1.Stop the operation of the air conditioner and disconnect the wire from Indoor Unit to Outdoor Unit. 2. Disassemble the case. (Fig 1~2) Fig 1 1 Remove the Top Panel. (Loosen thirteen screws) 2 Remove the Front Cabinet. (Loosen six screws) 3 Remove the Side Cabinet.
  • Page 105 * DSB-123PH PROCEDURES PHOTOS 1.Stop the operation of the air conditioner and disconnect the wire from Indoor Unit to Outdoor Unit. 2. Disassemble the case. (Fig 1~2) Fig 1 1 Remove the Top Panel. (Loosen thirteen screws) 2 Remove the Front Cabinet. (Loosen six screws) 3 Remove the Side Cabinet.
  • Page 106 * DSB-182PH PROCEDURES PHOTOS 1.Stop the operation of the air conditioner and dis connect the wire from in door unit to out door unit. 2. Disassemble the case. (Fig 1~2) Fig 1 1 Remove the Top Panel. 2 Remove the Side Cabinet. 3 Remove the Front Cabinet.
  • Page 107 * DSA-240A-R/240AH-R/DSB-240AH-R PROCEDURES PHOTOS 1.Stop the operation of the air conditioner and disconnect the wire from in door unit to out door unit. 2. Disassemble the case. (Fig 1~2) Fig 1 1 Remove the Top Panel. 2 Remove the Front Cabinet. 3 Remove the Side Cabinet and Back Cabinet.
  • Page 108 * DSB-240PH-R PROCEDURES PHOTOS 1.Stop the operation of the air conditioner and disconnect the wire from in door unit to out door unit. 2. Disassemble the case. (Fig 1~2) Fig 1 1 Remove the Top Panel. 2 Remove the Front Cabinet. 3 Remove the Side Cabinet and Back Cabinet.
  • Page 109 EXPLODED DIAGRAM (Indoor Unit) * DSB-092A/092AH...
  • Page 110 * DSB-092A/092AH PART LIST(INDOOR UNIT) PART CODE PART NAME Q'TY SPEC REMARK 3100400300 BODY HIPS T2.0 3108004700 MOTOR IDU IC-8417DWKF5A 3101500400 CUSHION MOTOR CR ¯30 3106400400 BEARING PLASTIC ASS'Y 3100053700 FAN CROSS FLOW ASS'Y ¯90.0xL540 7485401012 SET SCREW 6S-4x10-E MFZN...
  • Page 111 * DSB-123A/AH/PH...

  • Page 112: 5.6Kv

    * DSB-123A/AH/PH PART LIST (INDOOR UNIT) PART CODE PART NAME Q,TY SPEC REMARK 3110400300 BODY HIPS T2.0 (GY171A) 3110078100 MOTOR IDU ASSY ASSY 3118003500 MOTOR IDU RB13B(220V, 50/60V) 3106400400 BEARING PLASTIC ASSY DSB-123A/AH/PH 3110046000 FAN CROSS FLOW ASS`Y SAN+G.F 30% ¿100xL615 3113000400 HOLDER MOTOR L HIPS T2.0...
  • Page 113 PART CODE PART NAME Q,TY SPEC REMARK 3114302020 DSB-123A 3110063620 CONTROL PCB ASS`Y DSB-123AH 3114302210 DSB-123PH 3116501000 BLADE VERTICAL P.P T1.5 (GY176A) 3117600100 FLAP HIPS T2.0 (GY171A) 3100700700 BUSHING R 3112200700 FRAME GRILLE HIPS T2.5 3114504200 PLATE LED PC SHEET T0.2 7172401211 SPECIAL SCREW TT2 TRS 4*12 MFZN...
  • Page 114 * DSB-182PH...
  • Page 115 * DSB-182PH Parts List (Indoor Unit) PART CODE PART NAME Q'TY SPEC REMARK 3100400101 BODY 3107600100 FLAP TOP 3107600200 FLAP UNDER 3106500400 BLADE VER 3103000500 HOLDER MOTOR R 3103000700 HOLDER BEARING 3103000600 HOLDER MOTOR L 3106400100 BEARING OILESS 3101800200 FAN CROSS FLOW ¯100X861L 3102400800 GRILLE LATCH...

  • Page 116: 5.6Kv

    PART CODE PART NAME Q'TY SPEC REMARK 3100000200 FILTER PRE L ASS'Y 3102900100 HINGE R-A 3102900300 HINGE L-A 3100001000 M-PCB ASS'Y 3107800100 LINK VER CAM P .O.M 3104395400 F-PCB ASS' Y 3108004300 MOTOR STEPPING MP28GA/GSP-24SW-06/ST-28 L=400mm 3108912320 TERMINAL BLOCK DBW-4P 3107400300 EVA BRKT L SGCC T1.0...
  • Page 117 DSA-240A-R / 240AH-R / DSB-240AH-R / 240PH-R...
  • Page 118 * DSA-240A-R/240AH-R, DSB-240AH-R/240AH-R PART LIST (INDOOR UNIT)  Caution: In this Service 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) PART CODE PART NAME Q'TY...

  • Page 119: Sn-Dbw-4P

    PART CODE PART NAME Q'TY SPEC REMARK 2150013200 AL FOIL EMI AL100P (W100XL100) 3113701500 DSB-240PH-R VOLTAGE GENERATOR 5.6KV DSA-240AH-R 3113701800 DSB-240AH-R 3102797910 HARNESS EARTH GREEN/YELLOW L170mm 3104896300 SENSOR ID ASSY PTM-KD43C-D2, L330 3108912320 TERMINAL BLOCK SN-DBW-4P 7172401211 SCREW TAPPING TT2 TRS 4 * 12 MFZN 7S422X40B1 SPECIAL SCREW TTS TRS SE 4 * 12 MFZN...
  • Page 120 EXPLODED DIAGRAM (Outdoor Unit) * DSB-092A/DSB-123A...
  • Page 121 * DSB-092A/DSB-123A PART LIST(OUTDOOR UNIT)  Caution: In this Service 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)
  • Page 122 PART CODE PART NAME Q'TY SPEC REMARK 3102501100 GUIDE SUPPORT SECC T1.2 3102402600 GRILLE CONDENSER P.E. 660x525.5xT3.5 3100601903 BRACKET MOTOR SBHG1 T1.2 3118001100 MOTOR ODU A9525BD010 092A 3118001300 A9530CD010 123A 3101801000 FAN PROPELLER ABS+G.F20% (BLACK) 7400208411 WASHER PLAIN PW-2-8 MFZN 7392800011 NUT LOCK M8 x P1.25 MFZN...
  • Page 123 * DSB-092AH/DSB-123AH/123PH...
  • Page 124 * DSB-092AH/123AH/123PH PART LIST(OUTDOOR UNIT )  Caution: In this Service 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) PART CODE PART NAME Q'TY...
  • Page 125 PART CODE PART NAME Q'TY SPEC REMARK 3118001100 A9525BD010 092AH MOTOR ODU 3118001300 A9530CD010 123AH/PH 3101801000 FAN PROPELLER ABS+G.F20% (BLACK) 7400208411 WASHER PLAIN PW-2-8 MFZN 7392800011 NUT LOCK M8 x P1.25 MFZN 3104201900 PANEL CONTROL SBHG1 T0.8 3108912301 TERMINAL BLOCK SN-DBW-05P 3109505710 1.8+30µF 400VAC...
  • Page 126 * DSB-182PH...
  • Page 127 * DSB-182PH Parts List (Outdoor Unit)  Caution: In this Service 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) PART CODE PART NAME Q'TY...

  • Page 128: Shw-33Tc4-U

    PART CODE PART NAME Q'TY SPEC REMARK 3110010700 PIPE DISCHARGE ASS’Y 3110027500 PIPE FILTER ASSY 3107140100 COMPRESSOR SHW-33TC4-U 3105400200 SERVICE VALVE-LIQ C3771, 1/4” 3105400100 SERVICE VALVE-GAS C3771, 1/2” 5SC0202700 POWER RELAY G7L-2A-TUB 3108912310 TERMINAL BLOCK SN-DBW-5P 3102101000 FOOT CUSHION 3106002400 BOLT COMP M8 x L70 3101500800...
  • Page 129 * DSB-240A-R...

  • Page 130: Μf 400Vac

    * DSB-240A-R PART LIST (OUT DOOR UNIT)  Caution: In this Service 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) PART CODE PART NAME Q'TY...
  • Page 131 * DSA-240AH-R/DSB-240AH-R/240PH-R...

  • Page 132: Sn-Dbw-6P

    * DSA-240AH-R/DSB-240AH-R/240PH-R PART LIST (OUT DOOR UNIT)  Caution: In this Service 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) PART CODE PART NAME Q'TY...
  • Page 133 CONTROL BOX ASSEMBLY * DSB-092A...
  • Page 134 * DSB-092A  Caution: In this Service 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)
  • Page 135 * DSB-092AH...
  • Page 136 * DSB-092AH  Caution: In this Service 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) PART CODE PART NAME Q'TY...
  • Page 137 * DSB-123A...
  • Page 138 * DSB-123A  Caution: In this Service 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) PART CODE PART NAME Q'TY...
  • Page 139 * DSB-123AH...
  • Page 140 * DSB-123AH  Caution: In this Service 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) PART CODE PART NAME Q'TY...
  • Page 141 * DSB-123PH...

  • Page 142: 5.6Kv

    * DSB-123PH  Caution: In this Service 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) PART CODE PART NAME Q'TY...
  • Page 143 * DSB-182PH...

  • Page 144: Terminal Block

    * DSB-182PH  Caution: In this Service 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) PART CODE PART NAME Q'TY...
  • Page 145 * DSA-240A-R/240AH-R/DSB-240AH-R/PH-R...
  • Page 146 * DSA-240A-R/240AH-R, DSB-240AH-R  Caution: In this Service 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) PART CODE PART NAME Q'TY...
  • Page 147 DEAWOO ELECTRONICS CO., LTD 686, AHYEON-DONG MAPOGU, SEOUL, KOREA. C.P.O. BOX 8003 SEOUL KOREA TELEX: DWELEC K28177-8 CABLE:"DAEWOOELEC" FAX: +82-2-364-5588 TEL: +82-2-360-7114, 8114 http://www.svc.dwe.co.kr PRINTED DATE: MAY. 2001 S/M NO. : 3113907300...

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