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Daewoo DPB-280LH service manual 3PCB CIRCUIT DIAGRAM

Models: DPB-280LH

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3PCB CIRCUIT DIAGRAM

3PCB CIRCUIT DIAGRAM

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Daewoo DPB-280LH service manual 3PCB CIRCUIT DIAGRAM

Contents

FLOOR STANDING AIR CONDITIONER Model DPB-280LH CONTENTS Contents1INSTALLATION PLACE 1. INSTALLATION GUIDE2SPACE TO INSTALL Specification and method of copper tube3INSTALLATION OF INDOOR UNIT 4INSTALLATION OF OUTDOOR UNIT5REFRIGERANT TUBE CONNECTION 6ELECTRICAL WIRING SpecColor DPB-280LH 2. SPECIFICATIONS1INDOOR UNIT 3. OUTLINEDPB-280LH Part NameDPB-280LH 2OUTDOOR UNITPart Name Quantity4. OPERATION 1PARTS OF NAME AND FUNCTIONIndoor Unit ROOM TEMPERATURE / DESIRED TEMPERATURE INDICATOR OUTDOOR UNIT AIR OUT SERVICE VALVESGAS TUBE Outdoor UnitSERVICE VALVESLIQUID TUBE OUTDOOR UNIT AIR INName of Each Button 2REMOTE CONTROLLERDisplay pertaining to unitReplacing Batteries 3REMOTE CONTROLLER DISPLAYLights to indicate the timer function mode Lights to indicate the temperature or timeON-Timer OFF-TimerControl of Room Temperature 4DESCRIPTION OF FUNCTIONSFan Speed Indoor Unit Sleep Mode Frost Prevention of Indoor UnitIndoor coil temperature 3 Seconds Time Delay of Indoor Fan Motor 3 min. Time Delay of CompressorAuto Mode ROOM TEMPERATURESelf-DiagnosticFunction Quick ModePowerful Cooling & HeatingDehumidification Mode Air Discharge Direction5. CIRCUIT DIAGRAM 1WIRE CONNECTION OF INDOOR AND OUTDOOR UNITDPB-280LH Technical data 2MAIN ELECTRIC PARTSDPB-280LH Object/part No3PCB CIRCUIT DIAGRAM Part Code SpecificationPart Name QuantityPart Code SpecificationPart Name Quantity4PCB DRIVING DESCRIPTION Power Supply1Oscillator2 DESCRIPTIONSensor3 Resistance & Voltage of the SensorDESCRIPTION DESCRIPTION Triac Driving4DESCRIPTION Remote Controller5BIT STRUCTURE 0.56msDESCRIPTION Micom Power Supply7OSC 8MHz VDDDESCRIPTION Reset8MICOM R4 5.6K + CE5 4.7∝ FBuzzer Driving10 Function Selecting9DESCRIPTION DESCRIPTIONDESCRIPTION Zero Crossing Detect11AC18V The Number 31 of H Micom terminal L DETECT POINTDESCRIPTION Stepping Motor Driving12Ø4 Ø3 Ø2 Ø1 Normal RotatingMICOM VOLTAGE REGULATOR KIA7805AP-5VDC DARLINGTON ARRAYS KID65004VOLTAGE REGULATOR KIA7812AP-12VDC Pin 1. INPUT 2.GROUND 3.OUTPUTINPUT GROUND OUTLINE OUTPUT RESET IC KIA 7042PHIGH PRESSURE SWITCH M 6. REFRIGERANT CYCLESERVICE VALVE ODØ2.0 x 250mm7. TROUBLE SHOOTING 1Neither Indoor Unit nor Outdoor Unit Runs 2Outdoor Unit Runs but Indoor Unit Do Not Run 3Outdoor Fan Do Not Run 4Only Compressor Do not Run TEST START 5REMOTE CONTROLLER ASSMBLY FUNCTIONAL TEST METHODIs LCD display OFF? Select TIMER ON Button 1INDOOR UNIT 8. EXPLODED DIAGRAMPage Part Name Part CodeQuantity RemarksPart Name Part CodeQuantity Remarks2OUTDOOR UNIT Page Part Name Part CodeQuantity RemarksPRINTED DATE APR.1999 CABLE “DAEWOOELEC” FAXTEL 02 360-8182/8178~9