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Daewoo DSB-070LH User Manual

Daewoo DSB-070LH
139 pages
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Service Manual
Split System Air
Conditioner
Model: DSB-070LH/DSB-071LH
DSB-091LH/DSB-092LH
DSB-121LH/DSB-122LH
DSB-123LH
DSB-182LH/LH-R
DSA-183LH-R
DSB-240LH-R
DSA-240LH-R
DAEWOO ELECTRONICS CO., LTD.
by Nemko
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Daewoo DSB-070LH Specifications

General IconGeneral
TypeSplit
Cooling Capacity7000 BTU/h
Power Supply220-240V, 50Hz
RefrigerantR410A
Noise Level (Indoor)38 dB

Summary

Specifications

Remote Controller

Name of Each Button

Explains the function of every button on the Daewoo air conditioner remote control.

Remote Controller Display

Describes the indicators and information shown on the remote controller's LCD screen.

Description of Functions

Sleep, Emergency, and Frost Prevention

Covers sleep mode, emergency operation, and protection against indoor coil frost.

Wiring Diagram

Indoor Unit Wiring Diagrams

Provides circuit diagrams for the indoor units of various Daewoo models.

Outdoor Unit Wiring Diagrams

Provides circuit diagrams for the outdoor units of various Daewoo models.

Control Block Diagram

Control Block Diagram: DSB-071LH, 092LH, 123LH

Block diagram illustrating control logic for specific Daewoo air conditioner models.

Control Block Diagram: Other Models

Block diagram illustrating control logic for other Daewoo air conditioner models.

Trouble Shooting

Troubleshooting Flowchart

Step-by-step guide for diagnosing and resolving unit operational issues.

Error Codes and Self-Diagnosis

Explanation of error codes and the self-diagnostic function for troubleshooting.

Common Operational Issues

Troubleshooting steps for common issues like no unit operation or fan problems.

PCB Related Information

PCB Circuit Diagrams

Detailed circuit diagrams for various PCBs used in Daewoo air conditioners.

Key Components of Electronic Circuit

U1 (MICOM) Component Details

Detailed pinout and functional description of the MICOM microcontroller.

Other IC Components

Description of Darlington Arrays, Voltage Regulators, and Reset ICs.

Disassembly Instructions

Indoor Unit Disassembly Procedures

Step-by-step instructions for disassembling the indoor unit.

Outdoor Unit Disassembly Procedures

Step-by-step instructions for disassembling the outdoor unit.

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