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DPB-280LH service manual Exploded Diagram, 1INDOOR UNIT
Models:
DPB-280LH
1
44
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Troubleshooting
Specifications
Install
Error codes
Circuit Diagram
6ELECTRICAL WIRING
Reset8
Self-DiagnosticFunction
OFF-Timer
Room Temperature / Desired Temperature Indicator
Page 44
Image 44
8. EXPLODED DIAGRAM
1
INDOOR UNIT
Page 43
Page 45
Page 44
Image 44
Page 43
Page 45
Contents
FLOOR STANDING AIR CONDITIONER Model DPB-280LH
Contents
CONTENTS
1. INSTALLATION GUIDE
1INSTALLATION PLACE
2SPACE TO INSTALL
Specification and method of copper tube
5REFRIGERANT TUBE CONNECTION
3INSTALLATION OF INDOOR UNIT
4INSTALLATION OF OUTDOOR UNIT
Color
6ELECTRICAL WIRING
Spec
2. SPECIFICATIONS
DPB-280LH
3. OUTLINE
1INDOOR UNIT
DPB-280LH
Part Name
2OUTDOOR UNIT
DPB-280LH
Part Name
Quantity
Indoor Unit
4. OPERATION
1PARTS OF NAME AND FUNCTION
ROOM TEMPERATURE / DESIRED TEMPERATURE INDICATOR
Outdoor Unit
OUTDOOR UNIT AIR OUT SERVICE VALVESGAS TUBE
SERVICE VALVESLIQUID TUBE
OUTDOOR UNIT AIR IN
2REMOTE CONTROLLER
Name of Each Button
Display
pertaining to unit
3REMOTE CONTROLLER DISPLAY
Replacing Batteries
Lights to indicate the timer function mode
Lights to indicate the temperature or time
OFF-Timer
ON-Timer
Control of Room Temperature
4DESCRIPTION OF FUNCTIONS
Fan Speed Indoor Unit
Indoor coil temperature
Sleep Mode
Frost Prevention of Indoor Unit
3 min. Time Delay of Compressor
3 Seconds Time Delay of Indoor Fan Motor
Auto Mode
ROOM TEMPERATURE
Quick ModePowerful Cooling & Heating
Self-DiagnosticFunction
Dehumidification Mode
Air Discharge Direction
DPB-280LH
5. CIRCUIT DIAGRAM
1WIRE CONNECTION OF INDOOR AND OUTDOOR UNIT
2MAIN ELECTRIC PARTS
Technical data
DPB-280LH
Object/part No
3PCB CIRCUIT DIAGRAM
Specification
Part Code
Part Name
Quantity
Specification
Part Code
Part Name
Quantity
Power Supply1
4PCB DRIVING DESCRIPTION
Oscillator2
DESCRIPTION
DESCRIPTION
Sensor3
Resistance & Voltage of the Sensor
Triac Driving4
DESCRIPTION
Remote Controller5
DESCRIPTION
BIT STRUCTURE
0.56ms
Micom Power Supply7
DESCRIPTION
OSC 8MHz
VDD
Reset8
DESCRIPTION
MICOM
R4 5.6K + CE5 4.7∝ F
Function Selecting9
Buzzer Driving10
DESCRIPTION
DESCRIPTION
Zero Crossing Detect11
DESCRIPTION
AC18V The Number 31 of H Micom terminal L
DETECT POINT
Stepping Motor Driving12
DESCRIPTION
Ø4 Ø3 Ø2 Ø1
Normal Rotating
MICOM
DARLINGTON ARRAYS KID65004
VOLTAGE REGULATOR KIA7805AP-5VDC
VOLTAGE REGULATOR KIA7812AP-12VDC
Pin 1. INPUT 2.GROUND 3.OUTPUT
RESET IC KIA 7042P
INPUT GROUND OUTLINE OUTPUT
6. REFRIGERANT CYCLE
HIGH PRESSURE SWITCH M
SERVICE VALVE
ODØ2.0 x 250mm
7. 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
5REMOTE CONTROLLER ASSMBLY FUNCTIONAL TEST METHOD
TEST START
Is LCD display OFF? Select TIMER ON Button
8. EXPLODED DIAGRAM
1INDOOR UNIT
Page
Part Code
Part Name
Quantity
Remarks
Part Code
Part Name
Quantity
Remarks
2OUTDOOR UNIT
Page
Part Code
Part Name
Quantity
Remarks
TEL 02 360-8182/8178~9
PRINTED DATE APR.1999
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