Daewoo DPB-280LH Wartungshandbuch

Service ManualFLOOR STANDING AIR CONDITIONERModel: DPB-280LHDAEWOO ELECTRONICS CO., LTD.OVERSEAS SERVICE DEFT.

9ROOM TEMPERATURE / DESIRED TEMPERATURE INDICATOR- It displays current room temperature and desired room temperature.FAN MODE INDICATORAUTO MODE INDIC

10Outdoor UnitOUTDOOR UNIT AIR IN- If there is any obstacle in frontof the grille, the efficiency ofthe unit can be lowered.OUTDOOR UNIT AIR OUTSERVIC

11Name of Each Button2 REMOTE CONTROLLERMODESLEEPON/OFFTIMERENTER/ CANCELFAN SPEEDTURBO/MILDDisplayDisplays informationpertaining to unit.TURBO/MI

12Replacing Batteries3REMOTE CONTROLLER DISPLAYSlide down the cover toaccess most of theremote buttons. Slidedown further to accessthe battery compart

13If 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

14Fan Speed (Indoor Unit)(1) Motor speed (high speed, middle speed, low speed).(2) Remote controller setting fan speed. (Auto, L, M, H, Natural)(3) Re

15(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 h

16Auto Mode(1) In Auto ModeAfter the indoor fan is operated for 20 seconds in the Auto Mode, the unit will operate automatically by selectingoperating

17(1) Cooling Mode* When the room temperature is higher than 22˚C orequal to 22˚C1Fan Speed: high speed (Fixed)2Air discharge direction: The control i

185. CIRCUIT DIAGRAM◆ DPB-280LH1 WIRE CONNECTION OF INDOOR AND OUTDOOR UNIT

CONTENTS1. Installation Guide...22. Specification...

19◆ DPB-280LH2MAIN ELECTRIC PARTSObject/part No.Motor-compressorOutdoor fan motorIndoor fan motorThermal protector forfan motorSynchronous motorSteppi

203PCB CIRCUIT DIAGRAM

21NO Part Code Part Name Quantity Specification1 3108803400 PIN 3 GP881206-2(187)2 5FVLB3152L FUSE 1 250V 50T 3.15A3 3107000600 FUSE CLIP 2 AFC-5204 3

22NO Part Code Part Name Quantity Specification33 RD-2K200J- RESISTOR 1 1/2W-20J34 RD-2K390J- RESISTOR 2 1/2W-39J35 RD-2K121J- RESISTOR 5 1/2W-150J36

23Power Supply(1)DESCRIPTIONDC Power Supply in circuit needs +12V and +5V. +12V is used for Compressor Driving Relay, Triac DrivingPhoto Triac, Buzzer

24Room temperature and Evaporator temperature Sensor InputDESCRIPTIONNumber 23 of Micom is Terminal of A/D convertor Input.Room temperature and Evapor

25Triac Driving(4)DESCRIPTIONNumber 32 Terminal of Micom is put out Pulse Output, by way of Buffer it is driving Photo Triac is suppliedTrigger Signal

26DESCRIPTIONSignal from Remote Controller put in only Control Data Signal at Micom Terminal of Number 33, which is gottenfid of Carrier (38KHz) from

27DESCRIPTIONMICOM Power is supplied 5V at Number 42 using VDD, Number 19, 20 Using Oscillator, CC7 is noise filter.Micom Power Supply(7)VDD 42CE410µF

28DESCRIPTIONVoltage 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

21. INSTALLATION GUIDE1INSTALLATION PLACE◆Indoor unit ◆Outdoor unitSecure enough space from the neighboring objects as shown below. This is required t

29DESCRIPTIONMicom 34 Terminal put out Buzzer Driving Pulse,its output is driving Buzzer through Buffer.Ocillatory Frequency of buzzer is selected byi

30DESCRIPTIONIt detect Zero Cross part of Trans output voltage, Transistor TR2 is used to put in the Micom. Detail Driving is as following Fig 11-1.MI

31DESCRIPTIONThere 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

32MICOM123456789101112131415161718192021VDD(XTOUT)P22(XTIN)P21(INT5/STOP)P20P17P16(TC2)P15(PPG)P14(DVO)P13(INT2/TC1)P12(INT1)P11(INTO)P10(AIN7)P67(AIN

33DARLINGTON ARRAYS (KID65004)VOLTAGE REGULATOR (KIA7805AP-5VDC)VOLTAGE REGULATOR (KIA7812AP-12VDC) IN1 1 16 OUT 1IN2 2 15 OUT 2IN 3 3 14 OUT 3IN

34RESET IC (KIA 7042P)KIA7042POUTLINEINPUTGROUNDOUTPUTVCC132OUTGND

356. REFRIGERANT CYCLESERVICE VALVEFILTERCOMPRESSORHIGH PRESSURE SWITCHFANINDOORHEAT EXCHANGERMDISTRIBUTERCAPILLARY TUBEUNIONOUTDOORHEAT EXCHANGERINDO

367. TROUBLE SHOOTINGOutdoor unit doesnot run?(note. 1)Doesthe compressor runnormally?Indoor unit doesnot run(note 1)Check the failurecode according t

37The power is applied to the unitCheck the voltage between and of terminal blockNLCheck theBreaker or FuseSelf Diagnosticfunction is ONCheck accordi

382Outdoor Unit Runs but Indoor Unit Do Not RunCheck rotation of indoor fan Rotate indoor fan by handCheck input Voltage of FanMotor connector at powe

33INSTALLATION OF INDOOR UNIT1) Drain hose should maintain downward slope to outside of room.2) Indoor unit should be fixed firmly with the bracket to

393Outdoor Fan Do Not RunCheck the voltage between and of indoor unit terminalNLCheck the voltage between and of outdoor unit terminalNLCheck the vo

404Only Compressor Do not Run- Check the following at cooling modeCheck the voltage between and of indoor unit terminalYNCheck the voltage between a

415REMOTE CONTROLLER ASSMBLY FUNCTIONAL TEST METHODERRORNoERRORNoERRORNoNoNoNoYesSelect ON/OFF buttonSelect Mode buttonSelect FAN SPEED buttonSelect F

42(0.5~24 HOUR)ERRORNoSelect TIMER ON ButtonSelect Timer Enter ButtonSelect CANCEL ButtonSelect ON/OFF ButtonSelect OFF (Timer) ButtonSelect SLEEP But

8. EXPLODED DIAGRAM1INDOOR UNIT

44NO Part Code Part Name Quantity Remarks1 3100090100 ASSY CABNET BODY 12 3100042301 BASE MOTOR ASSY 13 3100602801 BRACKET PAN DRAIN 14 3108008600 MOT

45NO Part Code Part Name Quantity Remarks33 3100604800 BRACKET FRONT R 134 3102201600 FRAME DISCHARGE 135 310P40086E SWING MOTOR ASSY 136 3108005300 M

2OUTDOOR UNIT

46ELECTRICAL WIRINGSIGNAL LINESIGNAL LINESIGNAL LINESIGNAL LINEMAIN POWER (INDOOR)MAIN POWER (INDOOR)MAIN POWER (INDOOR)MAIN POWER (OUTDOOR)MAIN POWER

47NO Part Code Part Name Quantity Remarks1 3100041704 BASE PAN PAINT ASSY 12 3107103000 COMPRESSOR ASSY 13 3107103200 CUSHION COMP 44 7400208411 WASHE

DAEWOO ELECTRONICS CO., LTD.686, AHYEON-DONG MAPO-GU SEOUL, KOREAC.P.O. BOX 8003 SEOUL, KOREATELEX: DWELEC K28177-8CABLE: “DAEWOOELEC”FAX: 02) 360-818

52. SPECIFICATIONSMODEL DPB-280LHITEM Function COOLING HEATINGClass TPower 220~240V/ 50HzCapacity W 8,200 8,200Btu/h 28,000 28,000Dehumidification l/h

452761363. OUTLINE1INDOOR UNIT◆DPB-280LHNo Part Name Quantity Description Remarks1 Connecting Hole 3 ø60X100 (Left, Right, Back)2 Evaporator 1 Heat Ex

72 OUTDOOR UNIT◆DPB-280LHNo Part Name Quantity Description Remarks1 Service Valve (Liquid) 1 OD ø9.52mm Flare Type2 Service Valve (Gas) 1 OD ø15.88mm

81 PARTS OF NAME AND FUNCTIONIndoor Unit4. OPERATIONMAIN CONTROLS/REMOTE SENSORLCD REMOTE CONTROLLER- Operative distance is within 7m fromthe indoor u