Daewoo DSB-181L Specifications

✔ 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

9Cabinet SideHandleCabinet Front Foot264334Panel TopCabinet Back552572InletAIRAIRInletOutletFoot CushionService Valve666* DS B -1 2 1 LH / 1 2 2 LH (

Connecting PipeBodyFrame GrilleGrille InsertPlate Mounting4307101080Filter-L Filter-RREMOCON* D S B - 2 4 0 LH10

Inlet380699323footService valve873Cabinet frontService CoverCabinet Side* D S B - 2 4 0 LH11

121PARTS OF NAME AND FUNCTIONIndoor Unit3. OPERATION* DSB-070LH/DSB-091LHREMOTE CONTROLLERElectrostatic Filter(option)Deodorizing Filter(option)Air In

13Indoor Unit* DSB-121LH/122LHPower PlugElectrostatic Filter Deodorizing FilterAir InletAntibacterialFilterAir Outlet Fan Direction(Up, Down)Remote Co

14* DSB-070LH/DSB-091LH Remote Control Signal ReceiverThis place is the part to receive the signal if itreceive the signal, you can hear the signal “b

16* DSB-240LH Remote Control Signal ReceiverThis place is the part to receive the signal if itreceive the signal, you can hear the signal “beep.“beep

17Outdoor Unit* DSB-070LH/DSB-091LH/DSB-121LH/DSB-122LH(After)Air Inlet (Side Back)Connection WireConnecting PipeDrain HoseAir Outlet

18AIRAir Inlet (side Back)Air OutletConnectionWireConnectingPipeDrain HoseOutdoor Unit* DSB-121LH/DSB-122LH(Before)NOTE:How to remove Top Panel1. Loos

CONTENTS1. Specifications...22. Outline and Dim

19* DSB-240LHAir InletAir OutletConnection PipeConnection wireDrain Hose

20Name of Each Button2REMOTE CONTROLLER* DSB-070LH/DSB-091LH/DSB-121LH/DSB-122LH/DSB-240LHMODESLEEPON/OFFTIMERENTER/ CANCELFAN SPEEDTURBO/MILDDisp

22If you set time in OFF-Timer Mode, the unit will stop at the set time.If you set time in ON-Timer Mode, the unit will run at the set time.(1) Range

23Fan Speed (Indoor Unit)(1) Motor speed (Super high speed, high speed, normal speed, low speed, ultra low speed).(2) Remote controller setting fan sp

24(1) When the remote controller is lost, damaged or the battery is discharged, the Emergency operation can beused to run the unit.(2) The setting con

25Auto Mode(1) In Auto ModeAfter the indoor fan is operated for 20 seconds in the Auto Mode the unit will operate automatically by selectingoperating

261) Cooling Mode* When the room temperature is higher than 22 C1 Fan Speed: Super high speed2 Air discharge direction: Fixed3 Set temperature: 18 C (

27Self-Diagnostic FunctionThe control will contain diagnostic test to verify the integrity of the system.(1)Error Code Display Pattern1 ON LAMP: Blink

284. WIRING DIAGRAM* DSB-070LH/DSB-091LH/DSB-121LH/DSB-122LHOUTDOOR UNIT INDOOR UNITFAN MOTORBRNBLUEBROWNBLUEBLUBLKBLK BLKWHTBLUCOMPBLUBRNBRNYEL/GRNYE

21. SPECIFICATIONSMODEL DSB-070LHITEM Function Cooling & HeatingClass TPower AC 220~ 240V/ 50HzCapacity W 2,051/2,051Btu/h 7,000/7,000Dehumidific

29* D S B - 2 4 0 LHBLKBLK21YNLBLK BLKINDOORTERMDNALBLOCKBLKBLK4 WAYPCB TRANSCN2 CN6 CN3 CN11CN13CONTROL PCBOUTDOOR INDOORCN10CN4 CN3WHTWHTWHTREDRED

30* DSB-070LH* DSB-091LHPART NAME PART CODE SPEC. QUANTITY REMARKFan Motor 3108003800 IC-8417DWKF5A 1Fan Motor Capacitor 3106900300 1.0µF 400VAC 1Fuse

31* DSB-240LHPART NAME PART CODE SPEC. QUANTITY REMARKFan Motor 3108007500 IC-9430DWKG7A 1Fan Motor Capacitor 3106902400 2.0uF 400VAC 1Fuse 5FVLB3152L

325. REFRIGERANT CYCLENote) If the pipe length exceeds the standard length, add 30g of refrigerant per extra meter.ContentsModel NameCapillary TubeCoo

336. CONTROL BLOCK DIAGRAMRelay RL1Indoor fanmotorCompressorRelay RL2Outdoorfan motorRelay RL34 wayvalveTRIACDC12VOperating ModeFan SpeedTimer Selecti

347. ELECTRIC CIRCUIT DIAGRAM* DSB-070LH/DSB-091LH/DSB-121LH/DSB-122LH1ELECTRIC CIRCUIT DIAGRAM

35Description1. After the power ON/OFF button is pressed once, the relay and triac are turned ON or OFF per the remotecontrol setpoint.– TRIAC is cont

368. TRO UBLE SHO O TINGOutdoor unit doesnot run?(note. 1)Doesthe compressor runnormally?Indoor unit doesnot run(note 1)Check the failurecode accordin

37Note 1)1 Neither indoor unit nor outdoor unit runs.Check the following points first. (There are following case in normal operation)a. Is the timer m

38Confirm following statement.When the unit operate normally, Sometimes the outdoor unit and indoor unit cannot operate.1 Check the function select sw

3MODEL DSB-091LHITEM Function Cooling & HeatingClass TPower AC 220~240V/ 50HzCapacity W 2,637/2,637Btu/h 9,000/9,000Dehumidification l/h 1.15Runn

39Check rotation of indoor fan Rotate indoor fan by handCheck input Voltage of FanMotor connector at power P.C.BCheck the winding resistance of Indoor

40Confirm following statement.When the unit operate normally, Sometimes the outdoor unit and indoor unit cannot operate.1 Is the setting temperature p

41- Check the following at cooling modeCheck the voltge between and of indoor unit terminalYLCheck the voltge between and of outdoor unit terminalYL

PCB DRIVING DESCRIPTION

1PCB CIRCUIT DIAGRAM* DSB-070LH/DSB-091LH/DSB-240LH

* DSB-121LH/DSB-122LH

* DSB-070LH/DSB-091LH/DSB-240LH PART LIST(INDOOR UNIT)No PART CODE PART NAME SPEC Q'TY UNIT REMARKBZ1 3105698200 BUZZER DP-2520BA 1 EACA1 CN5XD10

No PART CODE PART NAME SPEC Q'TY UNIT REMARKIC5 1KA7042P-- IC RESET KIA7042P 5L 1 EAIC6 1KD65004AP IC DRIVER KID65004AP 1 EAL1 52C1374001 COIL 13

4MODEL DSB-121LH/122LHITEM Function Cooling & HeatingClass TPower AC 220~240V/ 50HzCapacity W 3,654/3,946Btu/h 12,500/13,500Dehumidification l/h

* CONTROL PCB ASS`Y (MODEL : 082M/H,102M/H,122M/H,151L,122L/LH,181L/LH)No PART CODE PART NAME SPEC Q'TY UNIT REMARKCA1 CN4XD104M- C-ARRAY F4 104Z

No PART CODE PART NAME SPEC Q'TY UNIT REMARKR2 RD-4K103J- R CARBON FILM 1/4 10K OHM J 1 EAR20 RN-4K1272F R METAL FILM 1/4 12.7K OHM F 1 EAR21 RD-

* POWER PCB ASS`Y (MODEL : 122L/LH,151L,181L/LH,082M/H,102M/H,122M/H) No PART CODE PART NAME SPEC Q'TY UNIT REMARKBZ1 3105698200 BUZZER DP-2520BA

* LED PCB ASS`Y (MODEL : 070L/LH,091L/LH,052M/H)No PART CODE PART NAME SPEC Q'TY UNIT REMARKCC1 CDXE1H104M C-MULTI CR501B-Z5U,104Z,50V 1 EACN1 31

51Power Supply(1)DESCRIPTIONDC Power Supply in circuit needs +12V and +5V. +12V is used for Compressor Driving Relay, Triac DrivingPhoto Triac, Buzzer

52Room temperature and Evaporator temperature Sensor InputDESCRIPTIONNumber 24, 25 of Micom is Terminal of A/D convertor Input.Room temperature and Ev

53Triac Driving(4)DESCRIPTIONNumber 38 Terminal of Micom is put out Pulse Output, by way of Buffer it is driving Photo Triac is suppliedTrigger Signal

54DESCRIPTIONSignal from Remote Controller put in only Control Data Signal at Micom Terminal of Number 33, which is gottenfid of Carrier (38KHz) from

55DESCRIPTIONMICOM Power is supplied 5V at Number 42 using VDD, Number 19, 20 Vsing Oscillator, CC13 is noise filter.Micom Power Supply(7)VDD 42CE510

56DESCRIPTIONVoltage less than about 0.8V put in Micom Terminal of Number 18 and then Micom reset. Reset IC detectPower ON and Voltage less than 4.25V

5MODEL DSB-240LHITEM Function Cooling & HeatingClass TPower AC 220~240V/ 50HzCapacity W 7,030Btu/h 24,000Dehumidification l/h 2.67Running Current

57DESCRIPTIONMicom 34 Terminal put out Buzzer Driving Pulse,its output is driving Buzzer through Buffer.Ocillatory Frequency of buzzer is selected byi

58DESCRIPTIONIt 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.R1

59DESCRIPTIONThere 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 M

ERRORNoERRORNoERRORNoNoNoNoYesSelect ON/OFF buttonSelect Mode buttonSelect FAN SPEED buttonSelect FAN DIR. buttonPower SupplyTEST STARTPower supply ag

61(0.5~24 HOUR)ERRORNoSelect TIMER ON ButtonSelect Timer Enter ButtonSelect CANCEL ButtonSelect ON/OFF ButtonSelect OFF (Timer) ButtonSelect SLEEP But

62(1) U1 (MICOM)123456789101112131415161718192021VDD(XTOUT)P22(XTIN)P21(INT5/STOP)P20P17P16(TC2)P15(PPG)P14(DVO)P13(INT2/TC1)P12(INT1)P11(INTO)P10(AIN

63(2) U2, 4 (KID65004) DARLINGTON ARRAYS(3) U8 (KIA7805P) : VOLTAGE REGULATOR (5VDC)(4) U7 (KIA7812P) : VOLTAGE REGULATOR (12VDC) IN1 1 16 OUT 1I

64(5) U9 (KIA7042P) : RESET ICKIA7042POUTLINEINPUTGROUNDOUTPUTVCC132OUTGND

651INDOOR UNITPROCEDURES PHOTOS 1. Stop the Air conditioner and disconnect the power cord from the wall outlet.2. Removing the Insert Grille and Frame

66PROCEDURES PHOTOS 1. Stop the Air conditioner and disconnect the power cord from the wall outlet.2. Removing the Insert Grille and Frame Grille. (Fi

6750Plate MountingREMOCONConnecting PipeGrille Insert174245REMOTE CONTROLLERFrame GrilleBodyPlate Mounting2. O UTLINE A ND DIM ENSIO NS1IN DO O R U

67PROCEDURES PHOTOS 1. Stop the Air conditioner and disconnect the power cord from the wall outlet.2. Removing the Insert Grille and Frame Grille. (Fi

682 OUTDOOR UNIT* DSB-070LH/DSB-091LH/DSB-121LH(After)PROCEDURES PHOTOS 1.Stop the air conditioner and disconnect the wire from Indoor Unit toOutdoor

69* DSB-121LH/DSB-122LH(After)PROCEDURES PHOTOS 1.Stop the air conditioner and disconnect the wire from Indoor Unit toOutdoor Unit.2. Disassemble the

70* DSB-240LHPROCEDURES PHOTOS 1.Stop the air conditioner and dis connect the wire from in door unit to outdoor unit.2. Disassemble the case. (Fig 1~2

713 EXPLODED DIAGRAM (Indoor Unit)* DSB-070LH/DSB-091LH

72* DSB-070LH/DSB-091LH PART LIST(INDOOR UNIT)No PART CODE PART NAME Q'TY SPEC REMARK1 3100400300 BODY 1 HIPS T2.02 3108004700 MOTOR IDU 1 IC-841

73* DSB-121LH

74* DSB-121LH/122LH PART LIST(INDOOR UNIT)No PART CODE PART NAME Q'TY SPEC REMARK1 3100400201 BODY 1 ABS or HIPS2 3108001220 MOTOR IDU 1 220V 50/

75No PART CODE PART NAME Q'TY SPEC REMARK15-8 3102797910 HARNESS 1 I.D EARTH15-9 3103400300 KNOB RESET SWITCH 1 ABS15-10 3100024000 MODE SELECT A

76EXPLODED DIAGRAM (INDOOR UNIT)* DSB-240LHCONTROL BOX ASSY

7REMOCONFilter - L Filter - RGrille InsertFrame GrilleBodyPlate MountingConnecting PipePlate Mounting406194285925REMOTE CONTROLLER* DS B - 1 2 1 LH /

77No PART CODE PART NAME Q'TY SPEC REMARK1 3100400600 BODY 1 DSB-240L/LH2 3108007500 MOTOR FCU 1 IC-9430DWKG7A3 3101500400 CUSHION MOTOR 2 CR I.D

78No PART CODE PART NAME Q'TY SPEC REMARK32 2150013200 AL FOIL EMI 0.1 AL100P (W100XL100)33 3106902400 CAPACITOR SH.M.B 1 2.0MF 400V34 3102797910

79302923313922212238176183310 16285344232987421335213725412440~272639364 EXPLODED DIAGRAM (Outdoor Unit)* DSB-070LH/DSB-091LH/DSB-121LH/DSB-122LH(Afte

80No PART CODE PART NAME Q'TY SPEC REMARK3100300511070LH(LG COMP. QB134PL12B)13100300521PAN BASE 3 SECC T1.2091LH(LG COMP. QK185PN13B)31003005110

81* DSB-070LH/DSB-091LH/DSB-121LH/DSB-122LH(After) PART LIST(OUTDOOR UNIT ) No PART CODE PART NAME Q'TY SPEC REMARK3100062100070LH(LG COMP. QB134

82* DSB-121LH/DSB-122LH(Before)

83No PART CODE PART NAME Q'TY SPEC REMARK1 3100300501 PAN BASE 1 SECC2 3106000900 COMP BOLT 3 M8 X L46.5 MFZN3 3102100800 FOOT 2 SECC4 3108134AE0

84No PART CODE PART NAME Q'TY SPEC REMARK20-3 3101201100 CLAMP CAPACITOR 1 SBHG120-4 3108912301 TERMINAL BLOCK 1 SN-DBW-05P20-5 3103800300 LOCK T

85* D S B - 2 4 0 LH242018151669103111131412252445872316-116-316-616-416-216-52122

86* DSB-240LH PART LIST (OUT DOOR UNIT)No PART CODE PART NAME Q'TY SPEC REMARK1 3100041750 BASE PAN PAINT ASSY 1 PAINTING2 310P30281A FOOT CUSHIO

82565496542O U TDO O R U N IT* DS B -0 7 0 LH / DS B -0 9 1 LH / DSB -1 2 1 LH / DS B -1 2 2 LH (A fter )InletInletOutletOutletFootFoot CushionHand

875 CONTROL BOX ASSEMBLY43q05LY1261ew7892* DSB-070LH/DSB-091LH

88* DSB-070LH/DSB-091LHNo PART CODE PART NAME Q'TY SPEC REMARK1 3100054410 CONTROL PCB ASS’Y12 3108912301 TERMINAL BLOCK 1SN-DBW-05P 300V 25A3 5E

89* DSB-121LH/DSB-122LH

90* DSB-090LH/DSB-121LH/DSB-122LHNo PART CODE PART NAME Q'TY SPEC REMARK1 3100503100 CONTROL BOX 1 P.P+G.F 20%2 3100054400 CONTROL PCB ASS’Y 1 FR

91* DSB-240LH31376910587212114

92* DSB-240LHNo PART CODE PART NAME Q'TY SPEC REMARK1 3104300830 CONTROL PCB ASS’Y 1 240LH(A), 240LH(B)2 3101200400 CLAMP POWER CORD 1 DA-5N3 310

DEAWOO ELECTRONICS CO., LTD686, AHYEON-DONG MAPOGU,SEOUL, KOREA.C.P.O. BOX 8003 SEOUL KOREATELEX: DWELEC K28177-8CABLE:"DAEWOOELEC"FAX: +82-