Daewoo DSB-093LH User Manual

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CONTENTS

1. Specifications..........................................................................................................2

2. Outline and Dimensions....................................................................................... 4

3. Operation .............................................................................................................. 9

4. Wiring Diagram.....................................................................................................23

5. Refrigerant Cycle..................................................................................................27

6. Control Block Diagram .........................................................................................30

7. Trouble Shooting...................................................................................................32

8. Key Components of Electronic Circuit .................................................................54

9. Disassembly Instructions .....................................................................................57

1) Indoor Unit ........................................................................................................57

2) Outdoor Unit .....................................................................................................59

3) Exploded Diagram And Parts List (Indoor Unit)..............................................61

4) Exploded Diagram And Parts List (Outdoor Unit)...........................................65

5) Control Box Assembly And Parts List..............................................................71

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Page 1: Table Of Contents
Contents CONTENTS 1. Specifications......................2 2. Outline and Dimensions..................4 3. Operation ......................9 4. Wiring Diagram.....................23 5. Refrigerant Cycle....................27 6. Control Block Diagram ..................30 7. Trouble Shooting....................32 8. Key Components of Electronic Circuit ..............54 9. Disassembly Instructions ..................57 1) Indoor Unit ......................57 2) Outdoor Unit .....................59 3) Exploded Diagram And Parts List (Indoor Unit)..........61 4) Exploded Diagram And Parts List (Outdoor Unit)...........65...
Page 2: Specifications
1. SPECIFICATIONS DSB-093LH MODEL DSB-093LH 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 Indoor Unit...
Page 3 DSB-183LH MODEL DSB-183LH ITEM Function Cooling & Heating Class Power AC 220~240V/ 50Hz Capacity 5,430/5,710 18,500/19,500 Btu/h Dehumidification Running Current 9.4/9.3 Electrical Power Input 1,930/1,920 Data Starting Current Type Rotary Compressor Model RCB195A001 Capacitor 40µF / 450VAC Indoor Unit Type Cross flow fan Motor Capacitor...
Page 4: Outline And Dimensions
2. OUTLINE AND DIMENSIONS I ND OOR UNI T DSB-093LH...
Page 5 DSB-183LH...
Page 6 INSTALLING THE INSTALLATION PLATE Unit : mm DSB-183LH Indoor Unit Installation Plate Wall Hole ( 65) DSB-093LH Indoor Unit Installation Plate Wall Hole ( 65)
Page 7 2 OUTDOOR UNIT DSB-093LH...
Page 8 DSB-183LH...
Page 9: Operation
3. OPERATION NAME AND FUNCTION OF PARTS Indoor Unit DSB-093LH Deodorizing Filter Air Inlet Electrostatic Filter Removes bad smells Removes dust and from the air. particles from the air Lamp Antibacterial Air Outlet Fan Direction Filter (Up, Down) Removes dust and Remote prohibits germs.
Page 10 DSB-183LH Deodorizing Filter Removes bad smells from the air. Electrostatic Filter Removes dust particles from the air. AIR IN Indoor Cover Air Cleaning Filters Removes dust and prohibits germs. AIR OUT Remote Fan Direction Sensor (Up/Down) Emergency/Remote Switch Indicators Indicate the Fan Direction AC setting.
Page 11 DSB-093LH 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 12 DSB-183LH 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 13 Outdoor Unit DSB-093LH Connection Cover Remove cover to access the AC connection AIR IN to the indoor unit. Connection Wire Connecting Pipe AIR OUT Drain Hose Service Valves The indoor and outdoor units are connected by copper tubes which are connected here.
Page 14 DSB-183LH 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 15: Remote Controller
REMOTE CONTROLLER Name of Each Button 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.
Page 16 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 17 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 18: Sleep Mode
1350 1280 1200 1100 1000 7K/9K COOL 7K HEAT 1200 1100 1000 1300 1250 1200 9K HEAT 1200 1100 1000 DSB-093LH 1350 1280 1200 1100 1000 12K COOL/HEAT 1350 1280 1200 1100 1000 18K COOL/HEAT 1350 1280 1200 1100 1000...
Page 19: 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 20: 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 21 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 22 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 23: Wiring Diagram
4. WIRING DIAGRAM Indoor Unit DSB-093LH Circuit Diagram...
Page 24 DSB-183LH...
Page 25 Outdoor Unit DSB-093LH DSB-093LH...
Page 26 1 MAIN ELECTRIC PARTS DSB-093LH PART NAME PART CODE SPEC. QUANTITY REMARK Fan Motor 3118003500 RP13B Fan Motor Capacitor CMXW2G155K 1.5uF 400VAC Indoor Fuse 5FVLB3152L 250V 3.15A Unit Stepping Motor 3108003910 MP24GA Terminal Block 3118900200 JXO-CH-2P 3117104480 RBB100A Compressor 3118003900...
Page 27: Refrigerant Cycle
5. REFRIGERANT CYCLE Diagram of Refrigerant Cycle Note) If the pipe length exceeds the standard length, add 30g of refrigerant per extra meter.
Page 28 40.0 / – 4.58 457.9 45.0 / – 4.77 476.6 25.0 / – 4.42 442.3 30.0 / – 4.69 468.8 DSB-093LH 730g 27.0/19.0 35.0 / – 4.91 491.3 40.0 / – 5.05 505.0 45.0 / – 5.19 518.8 25.0 / –...
Page 29 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 30: Control Block Diagram
6. CONTROL BLOCK DIAGRAM DSB-093LH 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. REMOCON Outdoor coil...
Page 31 DSB-183LH 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 lnitialization Beeper...
Page 32: Trouble Shooting
7. TROUBLE SHOOTING...
Page 33 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 34 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 35 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 36 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 37 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 38 PCB DRIVING DESCRIPTION...
Page 39: Pcb Circuit Diagram
PCB CIRCUIT DIAGRAM DSB-093LH...
Page 41 DSB-183LH...
Page 43 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 44 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 45 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 46 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 47 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 48 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 49 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 50 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 51 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 52 R EM O TE CO N TR O LLER A SSM B LY FUN CTIO N A L TEST M ETH O D 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...
Page 53 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 54: 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 55 (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 56 (5) U9 (KIA7042P) : RESET IC KIA70 INPUT OUTLINE GROUND OUTPUT...
Page 57: Disassembly Instructions
9. DISASSEMBLY INSTRUCTIONS INDOOR UNIT DSB-093LH 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 58 DSB-183LH 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 59: Outdoor Unit
OUTDOOR UNIT DSB-093LH 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 60 DSB-183LH 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 61: Exploded Diagram And Parts List (Indoor Unit)
EXPLODED DIAGRAM (Indoor Unit) DSB-093LH...
Page 62 DSB-093LH 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)
Page 63 DSB-183LH...
Page 64 DSB-183LH 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 65: Exploded Diagram And Parts List (Outdoor Unit)
EXPLODED DIAGRAM (Outdoor Unit) DSB-093LH...
Page 66 DSB-093LH 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 67 PART CODE PART NAME Q'TY SPEC REMARK 3114504110 PLATE PARTITION 3104201900 PANEL CONTROL SBHG1 T0.8 3108912300 TERMINAL BLOCK SN-DBW-03P 3109501201 1.8+25µF 400VAC 070/071LH 3109505710 CAPACITOR DUAL 1.8+30µF 400VAC 093LH 3116904600 3.5+40µF 400VAC 123LH 3101201100 CLAMP CAPACITOR SBHG1 T1.0 3101202000 CLAMP CORD NYLON 3110801500 CABINET FRONT...
Page 68 DSB-183LH...
Page 69 DSB-183LH 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 70 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)-183LH-R 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 71: Control Box Assembly And Parts List
CONTROL BOX ASSEMBLY DSB-093LH...
Page 72 DSB-093LH 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 73 DSB-183LH...
Page 74 DSB-183LH 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 75 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.dwe.daewoo.co.kr PRINTED DATE: MAY. 2001 S/M NO. : 3113907130...
Page 76: Service Manual
S/M No. : 3113907130 Service Manual Split System Air Conditioner Model: DSB-093LH DSB-183LH 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).

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