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Daewoo DSB-071AH Service Manual

Split system air conditioner
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Service Manual

Split System Air Conditioner
Model: DSB-071AH
DSB-093AH
DSB-123AH/123PH
DSB-182A-R/182P-R/182AH-R/182PH-R
DSB-183AH/183PH
DSB-240A-R/240AH-R/240P-R/240PH-R
DSA-183A-R/183AH-R
DSA-240AH/240PH
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).
DAEWOO ELECTRONICS CORP.

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  Summary of Contents for Daewoo DSB-071AH

  • Page 1: Service Manual

    Service Manual Split System Air Conditioner Model: DSB-071AH DSB-093AH DSB-123AH/123PH DSB-182A-R/182P-R/182AH-R/182PH-R DSB-183AH/183PH DSB-240A-R/240AH-R/240P-R/240PH-R DSA-183A-R/183AH-R DSA-240AH/240PH 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).
  • Page 2: Table Of Contents

    Contents CONTENTS 1. Specifications......................2 2. Outline and Dimensions..................15 3. Operation ......................23 4. Wiring Diagram.....................45 5. Refrigerant Cycle....................50 6. Control Block Diagram ..................54 7. Trouble Shooting ....................56 8. Key Components of Electronic Circuit..............90 9. Disassembly Instructions ..................93 1) Indoor Unit ......................93 2) Outdoor Unit......................98 3) Exploded Diagram (Indoor Unit)..............101 4) Exploded Diagram (Outdoor Unit)..............109...
  • Page 3: Specifications

    1. SPECIFICATIONS DSB-071AH MODEL DSB-071AH ITEM Function Cooling & Heating Class Power AC 220~240V/ 50Hz Capacity 2,110/2,050 Btu/h 7,200/7,000 Dehumidification Running Current 3.1/3.1 Electrical Power Input 740/720 Data Starting Current Type Rotary Compressor Model RBB075A011 Capacitor 25µF / 370VAC Indoor Unit...
  • Page 4 DSB-093AH MODEL DSB-093AH ITEM Function Cooling & Heating Class Power AC 220~240V/ 50Hz Capacity 2,930/2,780 Btu/h 10,000/9,500 Dehumidification Running Current 4.8/4.3 Electrical Power Input 1,020/920 Data Starting Current Type Rotary Compressor Model RBB100A011 Capacitor 30µF/ 370VAC Division Indoor Unit Outdoor Unit Type Cross flow fan Propeller fan...
  • Page 5 DSB-123AH/123PH MODEL DSB-123AH/123PH ITEM Function Cooling & Heating Class Power AC 220~240V/ 50Hz Capacity 3,430/3,870 Btu/h 11,700/13,200 Dehumidification Running Current 5.8/6.0 Electrical Power Input 1,300/1,320 Data Starting Current Type Rotary Compressor Model RCB135U001 Capacitor 40µF/ 370VAC Division Indoor Unit Outdoor Unit Type Cross flow fan Propeller fan...
  • Page 6 DSB-182A-R/182P-R MODEL DSB-182A-R/182P-R ITEM Function Cooling Class Power AC 220~240V/ 50Hz Capacity 5,275 Btu/h 18,000 Dehumidification Running Current Electrical Power Input 2,000 Data Starting Current Type Recipro Compressor Model AWG5524EXC Capacitor 35µF/ 400VAC Division Indoor Unit Outdoor Unit Type Cross flow fan Propeller fan Motor Capacitor...
  • Page 7 DSB-182AH-R/182PH-R MODEL DSB-182AH-R/182PH-R ITEM Function Cooling & Heating Class Power AC 220~240V/ 50Hz 5,280/5,280 Capacity Btu/h 18,000/18,000 Dehumidification Running Current 9.2 / 9.5 Power Input 2,000 / 2,100 Electrical Data Starting Current Type Recipro Compressor Model AWG5524EXC Capacitor 35µF/ 370VAC Division Indoor Unit Outdoor Unit...
  • Page 8 DSB-183PH/AH MODEL DSB-183PH/AH ITEM Function Cooling & Heating Class Power AC 220~240V/ 50Hz Capacity 5,430/5,710 Btu/h 18,500/19,500 Dehumidification Running Current 9.4 / 9.3 Power Input 1,930 / 1,920 Electrical Data Starting Current Type Rotary Compressor Model RCB195A001 Capacitor 40µF/ 450VAC Division Indoor Unit Outdoor Unit...
  • Page 9 DSB-240A-R/240P-R MODEL DSB-240A-R/240P-R ITEM Function Cooling Class Power AC 220~240V/ 50Hz Capacity 7,030 Btu/h 24,000 Dehumidification Running Current 13.4 Power Input 2,400 Electrical Data Starting Current Type Recipro Compressor Model H2EB283ABKC Capacitor 40µF/ 400VAC Division Indoor Unit Outdoor Unit Type Cross flow fan Propeller fan Motor...
  • Page 10 DSB-240AH-R/240PH-R MODEL DSB-240AH-R/240PH-R ITEM Function Cooling & Heating Class Power AC 220~240V/ 50Hz Capacity 6,330/6,620 Btu/h 21,600/22,600 Dehumidification Running Current 12.6/12.5 Power Input 2,420/2,350 Electrical Data Starting Current Type Recipro Compressor Model H2EB283ABKC Capacitor 40µF/ 400VAC Division Indoor Unit Outdoor Unit Type Cross flow fan Propeller fan...
  • Page 11 DSA-183A-R MODEL DSA-183A-R ITEM Function Cooling Class Power AC 220V / 60Hz Capacity 5,275 Btu/h 18,000 Dehumidification Running Current Electrical Power Input 2,000 Data Starting Current Type Recipro Compressor Model AWG5519EXN Capacitor 25µF/ 400VAC Division Indoor Unit Outdoor Unit Type Cross flow fan Propeller fan Motor...
  • Page 12 DSA-183AH-R MODEL DSA-183AH-R ITEM Function Cooling & Heating Class Power AC 220V/ 60Hz Capacity 5,275/5,420 Btu/h 18,000/18,500 Dehumidification Running Current 9.4 / 8.8 Power Input 2,000 / 1,900 Electrical Data Starting Current Type Recipro Compressor Model AWG5519EXN Capacitor 25µF/400VAC Division Indoor Unit Outdoor Unit Type...
  • Page 13 DSA-240A-R MODEL DSA-240A-R ITEM Function Cooling Class Power AC 220V/ 60Hz Capacity 7,030 Btu/h 24,000 Dehumidification Running Current 11.7 Power Input 2,500 Electrical Data Starting Current Type Recipro Compressor Model AWG5524EXN Capacitor 35µF/ 400VAC Division Indoor Unit Outdoor Unit Type Cross flow fan Propeller fan Motor...
  • Page 14 DSA-240AH-R MODEL DSA-240AH-R ITEM Remark JIS C9812 SAA385386 Function Cooling & Heating Class Power AC 220V / 60Hz 7,030/7,030 5,130 Capacity Btu/h 24,000/24,000 17,500 Dehumidification Running Current 11.5/11.8 Electrical Power Input 2,500/2,550 2,800 Data Starting Current – Type Recipro Compressor Model AWG5524EXN Capacitor...
  • Page 15 DSA-240AH/240PH MODEL DSA-240AH/240PH ITEM Function Cooling & Heating Class Power AC 220V/ 60Hz Capacity 7,035 / 7,035 Btu/h 24,000 / 24,000 Dehumidification Running Current 10.8 / 11.0 Power Input 2,320 / 2,380 Electrical Data Starting Current Type Rotary Compressor Model 55A2401T1JM Capacitor 45µF/450VAC...
  • Page 16: Outline And Dimensions

    2. OUTLINE AND DIMENSIONS INDOOR UNIT DSB-071AH...
  • Page 17 DSB-093AH/123AH/123PH...
  • Page 18 DSB-182A-R/182P-R/182AH-R/182PH-R...
  • Page 19 DSB-183AH/183PH/240A-R/240P-R/240AH-R/240PH-R/F240P-R DSA-183A-R/183AH-R/240A-R/240AH-R/240AH/240PH...
  • Page 20 Indoor Unit Installation Plate Wall Hole (ø65) • DSB-123AH/123PH/093AH • DSB-123LH/093LH Indoor Unit Installation Plate Wall Hole (ø65) • DSB-122L/122LH • DSB-121LH/122LH Indoor Unit Installation Plate Wall Hole (ø65) • DSB-070LH/071LH/091LH/092LH • DSB-071AH Indoor Unit Installation Plate Wall Hole (ø65)
  • Page 21 OUTDOOR UNIT DSB-071AH/093AH/123AH/123PH...
  • Page 22 DSB-182A-R/182P-R/182AH-R/182PH-R/183AH/183PH, DSA-183A-R/183AH-R...
  • Page 23 DSB-240A-R/240AH-R/240P-R/240PH-R/F240P-R DSA-240A-R/240AH-R...
  • Page 24: Operation

    3. OPERATION NAME AND FUNCTION OF PARTS Indoor Unit DSB-071AH Deodorizing Filter Electrostatic Filter 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 25 DSB-093AH/123AH/123PH Deodorizing Filter Air Inlet Electric Dust Collector (DSB-123PH) Removes bad smells Electrostatic Filter from the air. Removes dust and particles from the air O2 HOSE COVER (DSB-093AH/123AH) Lamp Antibacterial Air Outlet Fan Direction Filter (Up, Down) Removes dust and prohibits germs.
  • Page 26 DSB-182A-R/182P-R/182AH-R/182PH-R 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 27 DSB-183AH/183PH/240A-R/240AH-R/240P-R/240PH-R/F240P-R DSA-183A-R/183AH-R/240A-R/240AH-R/240AH/240PH Electric Dust Collector Deodorizing Filter Removes bad smells from the air. AIR IN Indoor Cover Air Cleaning Filters O2 Hose Cover Removes dust and (Oxygen Models) (Models Oxygen) prohibits germs. AIR OUT Remote Fan Direction Sensor (Up/Down) Emergency/Remote Switch Indicators Indicate the Fan Direction...
  • Page 28 Outdoor Unit DSB-071AH/093AH/123AH/123PH Connection Cover Remove cover to access the AC connection AIR IN to the indoor unit. Connection Wire O2 Hose Wire (Oxygen Models) AIR OUT Connection Pipes Drain Hose Service Valves The indoor and outdoor units are connected by copper tubes...
  • Page 29 DSB-182A-R/182P-R/183AH/183PH/182AH-R/182PH-R DSA-183A-R/183AH-R Connection Cover Remove cover to access the AC connection from this unit to AIR IN the indoor unit. Connection Wire O2 Hose Wire (Oxygen Models) Drain Hose Connection Pipes AIR OUT Service Valves The indoor and outdoor units are connected by copper tubes which are connected here.
  • Page 30 DSB-240A-R/240AH-R/240P-R/240PH-R/F240P-R DSA-240A-R/240AH-R/240AH/240PH Air Inlet Connection wire O2 Hose wire (Oxygen Models) Connection Pipe Drain Hose Air Outlet...
  • Page 31: Remote Controller

    REMOTE CONTROLLER Name of Each Button OXYGEN MODEL 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 "...
  • Page 32 PLASMA MODEL 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 33 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 34 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 35: 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 36: Auto Mode

    Frost Prevention of Indoor Unit When the unit operates at low ambient temperature, frost may appear on the Evaporator. When the indoor coil temperature is lower than 0°C at the end of 10 minutes of continuous compressor operation from the start, the microcomputer of the unit stops the compressor to protect the unit from the frost.
  • Page 37: 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) The air discharge direction procedure is below.
  • Page 38 Defrost Function Chart for Outdoor Condenser Start Return Comp 4 Way OD Fan ID Fan 40sec 6sec 15min 40sec 6sec *Note1 *Note2 • Note1 : 120sec for 24kBtu Model • Note2 : The Temperature is over 120°C or 15 minute later. Max Load Heating Operation Diagram Temperature (Indoor Evaporator) 60°C...
  • 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 * Assured maximum length of O2 Hose: 10M * Assured maximum length of O2 Hose: 6M Notes. 1. While air-cleaning mode is on, there may be a fishilke smell amount of ozone, which is harmless to health. 2.
  • 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 The Circuit Diagram of Oxygen Generation System...
  • Page 43 The Circuit Diagram of Plasma System...
  • Page 44 The Electrical Specification of Oxygen Generation System Model name SPECIFICATION DSB-182A-R/AH-R/183AH DSB-240A-R/AH-R, DSA-240A-R/AH-R/AH DSB-071AH DSB-092AH/123AH DSB-093AH/123AH DSA-183AH-R Cylinder Type Plate Type Component Name Specification Data Data Data Data Control relay Model name CS11-12SH CS11-12SH CS11-12SH CS11-12SH Coil voltage DC12V DC12V...
  • Page 45 The Electrical Specification of Plasma System Model name SPECIFICATION 9K/12K Component Name Specification Data Data Data Control relay Model name CS11-12SH CS11-12SH CS11-12SH Coil voltage DC12V DC12V DC12V Contact AC250V 5A AC250V 5A AC250V 5A Fuse Model name Type Time delay type Time delay type Time delay type Voltage...
  • Page 46: Wiring Diagram

    4. WIRING DIAGRAM Indoor Unit...
  • Page 49 Outdoor Unit...
  • Page 51: Refrigerant Cycle

    5. REFRIGERANT CYCLE [Cooling Only Model] INDOOR UNIT Evaporator Cross flow fan Connecting pipe Service valve Service valve Capillary tube Accumulator Compressor Dryer Condenser Propeller fan OUTDOOR UNIT Refrigerant flow Note) If the pipe length exceeds the standard length, add 30g of refrigerant per extra meter.
  • Page 52 [Heat Pump Model] Note) If the pipe length exceeds the standard length, add 30g of refrigerant per extra meter.
  • Page 53 MODEL REFRIGERANT TEMP.(DB/WB, °C) TEMP.(DB/WB, °C) Bar (gage) kPa, (gage) 25.0 / – 4.77 477.6 30.0 / – 5.02 502.1 DSB-071AH 850g 27.0/19.0 35.0 / – 5.21 520.7 40.0 / – 5.31 530.5 45.0 / – 5.44 544.3 25.0 / –...
  • Page 54 R410A & R22 SATURATION PRESSURE TABLE R410A Temp (°C) PRESSURE(LIQUID): bar PRESSURE(VAPOR): bar PRESSURE: bar 7.991 7.967 4.98 8.248 8.223 5.144 8.511 8.486 5.312 8.781 8.754 5.484 9.057 9.029 5.661 9.339 9.311 5.841 9.628 9.599 6.026 9.924 9.894 6.215 10.23 10.2 6.409 10.54...
  • Page 55: Control Block Diagram

    6. CONTROL BLOCK DIAGRAM DSB-071AH/093AH/123AH/123PH 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...
  • Page 56 DSB-182A-R/182P-R/182AH-R/182PH-R/183AH/183PH/240A-R/ 240AH-R/240P-R/240PH-R DSA-183A-R/183AH-R/240A-R/240AH-R/240AH/240PH Operating Mode Unit on lamp Remote Signal receiver Fan Speed Air clean lamp Emergency Timer Selection Quick lamp Operation Flap Position 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 57: Trouble Shooting

    7. TROUBLE SHOOTING...
  • Page 58 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 59: Neither Indoor Unit Nor Outdoor Unit Runs

    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 60 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 61 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 62: Only Compressor Does Not Run

    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 Check the voltge between...
  • Page 63 PCB DRIVING DESCRIPTION...
  • Page 64: Pcb Circuit Diagram

    PCB CIRCUIT DIAGRAM DSB-071AH...
  • Page 65 : Heat Pump Model Only...
  • Page 66 DSB-093AH/123AH/123PH...
  • Page 67 : Heat Pump Model Only...
  • Page 68 DSB-182A-R/182P-R...
  • Page 70 DSB-183AH/183PH/240A-R/240AH-R/240P-R/240PH-R/F240P-R, DSA-183A-R/183...
  • Page 71 3AH-R/240A-R/240AH-R : Heat Pump Model Only...
  • Page 72 DSB-071AH PART LIST (INDOOR UNIT) 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).
  • Page 73 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 74 DSB-093AH/123AH/123PH PART LIST (INDOOR UNIT) 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). PART NAME SPEC LOCATION...
  • Page 75 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 76 DSB-240A-R/240P-R PART LIST (INDOOR UNIT) 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). PART NAME SPEC LOCATION...
  • Page 77 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 78 DSB-183AH/183PH/240AH-R/240PH-R PART LIST (INDOOR UNIT) 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). PART NAME SPEC LOCATION...
  • Page 79 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 80 DSB-182A-R/182P-R 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 CN7(AH/PH Only) 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 81 DSB-182A-R/182P-R 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 82 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/A-R/P-R 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 24.9K...
  • Page 83 LED PCB ASS`Y (MODEL : 070/071/091/092) 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 TSOP-1838YA1(HOLDER) 5S40202000 S/W PUSH JPS2281...
  • Page 84 Power Supply(1) AC 220V 275V 7812 104K 7805 FUSE1 VI VO VI VO 3.15A 100µF 470µF 1000µF 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 85 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 86 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 87 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 88 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 89 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 90 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 * 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. Buzzer Driving(10) DESCRIPTION MICOM...
  • Page 91 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 92 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 93 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 94 ERROR Is LCD display OFF? Select TIMER ON Button Is it normal ERROR Select Timer Enter Button ERROR display? TIMER Select CANCEL Button ERROR Is all display OFF? Select ON/OFF Button Select OFF (Timer) Button (0.5~24 HOUR) Is it normal? ERROR Select SLEEP Button SLEEP MODE...
  • Page 95: 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 96 (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 97 (5) U9 (KIA7042P) : RESET IC KIA70 INPUT OUTLINE GROUND OUTPUT...
  • Page 98: Disassembly Instructions

    9. DISASSEMBLY INSTRUCTIONS INDOOR UNIT DSB-071AH 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 99 DSB-093AH/123AH/123PH 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 100 DSB-182A-R/182P-R/182AH-R/182PH-R 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 101 PROCEDURES PHOTOS 7. Removing the blower. ! Loosen the screw fixed at the holder bearing. @ Remove the blower. Fig 7 Fig 8...
  • Page 102 DSB-183AH/183PH/240A-R/240AH-R/240P-R/240PH-R/F240P-R DSA-183A-R/183AH-R/240A-R/240AH-R/240AH/240PH 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 103: Outdoor Unit

    OUTDOOR UNIT DSB-071AH/093AH/123AH/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 104 DSB-182A-R/182P-R/183AH/183PH/182AH-R/182PH-R DSA-183A-R/183AH-R 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 105 DSB-240A-R/240AH-R/240P-R/240PH-R/F240P-R DSA-240A-R/240AH-R/240AH/240PH 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 106: Exploded Diagram (Indoor Unit)

    EXPLODED DIAGRAM (Indoor Unit) DSB-071AH...
  • Page 107 PART LIST (INDOOR UNIT) 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). PART CODE PART NAME Q'TY...
  • Page 108 DSB-093AH/123AH/123PH...
  • Page 109 PART LIST (INDOOR UNIT) 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). PART CODE PART NAME Q'TY...
  • Page 110 DSB-182A-R/182P-R/182AH-R/182PH-R...
  • Page 111 PART LIST (INDOOR UNIT) 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). PART CODE PART NAME Q'TY...
  • Page 112 DSB-183AH/183PH/240A-R/240AH-R/240P-R/240PH-R/F240P-R DSA-183A-R/183AH-R/240A-R/240AH-R/240AH/240PH...
  • Page 113 PART LIST (INDOOR UNIT) 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). PART CODE PART NAME Q'TY...
  • Page 114: Exploded Diagram (Outdoor Unit)

    EXPLODED DIAGRAM (Outdoor Unit) DSB-071AH/093AH/123AH/123PH...
  • Page 115 PART LIST(OUTDOOR UNIT) 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). PART CODE PART NAME Q'TY...
  • Page 116 PART CODE PART NAME Q'TY SPEC REMARK 3114504110 PLATE PARTITION 3104201900 PANEL CONTROL SBHG1 T0.8 3108914300 TERMINAL BLOCK JXO-CH-5P 3109501201 1.8+25µF 400VAC (B)-071AH 3109505710 CAPACITOR DUAL 1.8+30µF 400VAC (B)-093AH 3116904600 3.5+40µF 400VAC (B)-123AH/PH 3101201100 CLAMP CAPACITOR SBHG1 T1.0 3101202000 CLAMP CORD NYLON 3110801500 CABINET FRONT...
  • Page 117 DSB-182A-R/182P-R/183AH/183PH/182AH-R/182PH-R, DSA-183A-R/183AH-R...
  • Page 118 PART LIST(OUTDOOR UNIT ) 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). PART CODE PART NAME Q'TY...
  • Page 119 PART CODE PART NAME Q'TY SPEC REMARK 3112500300 GUIDE SUPPORT SECC T1.2 3112400700 GRILLE COND. 3110600200 BRACKET MOTOR SGCC T1.2 3108009110 YDK-50-6B (B)-182/183 MOTOR ODU 3108000521 IC-1625DWLF6B (A)-183 7348602011 BOLT HEX WASHER M6xL20 MFZN 3101800100 FAN PROPELLER ABS+G/F(10),OD420,BLK 7400208411 WASHER PLAIN O.D.ø22 xI.D.ø8.4xT1.6 7392800011 NUT HEX...
  • Page 120 DSB-240A-R/240AH-R/240P-R/240PH-R/F240P-R DSA-240A-R/240AH-R/240AH/240PH...
  • Page 121 Parts List (Outdoor Unit) 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). PART CODE PART NAME Q'TY...
  • Page 122 PART CODE PART NAME Q'TY SPEC REMARK 3105300400 SUPPORT MOTOR SGCC-M-Z22 T1.6 3108009900 A2922CA010 (B)-240 MOTOR ODU 3108007800 OBM-3010B1 (A)-240 7348602011 BOLT HEX WAS M6*L20 MFZN 3101802001 FAN PROPELLER ABS+G/F(20%) 7400208412 WASHER PLAIN ID8.4*OD26*T1.6 7392801211 NUT LOCK M8*1.25P 3104504910 PLATE PARTITION SGCC-M-Z22 T0.8(Ω≈O2) 3104201602 PANEL CONTROL...
  • Page 123: Control Box Assembly

    CONTROL BOX ASSEMBLY DSB-071AH...
  • Page 124 DSB-071AH 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).
  • Page 125 DSB-093AH/123AH/123PH...
  • Page 126 DSB-093AH/123AH/123PH 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). PART CODE PART NAME Q'TY...
  • Page 127 DSB-182A-R/182P-R/182AH-R/182PH-R...
  • Page 128 DSB-182A-R/182P-R/182AH-R/182PH-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). PART CODE PART NAME Q'TY...
  • Page 129 DSB-183AH/183PH/240AH-R/240PH-R/240A-R/240P-R DSA-183AH-R/182A-R/240A-R/240AH-R/240AH/240PH...
  • Page 130 DSB-183AH/183PH/240A-R/240P-R/240AH-R/240PH-R DSA-183A-R/183AH-R/240A-R/240AH-R/240AH/240PH 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). PART CODE PART NAME Q'TY...
  • Page 131 DAEWOO ELECTRONICS CORP. 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.dwe.co.kr PRINTED DATE: JULY. 2004 S/M NO. : 3113907150...