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Daewoo DSB-090L User Manual

Daewoo DSB-090L
62 pages
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Service Manual
Split System Air
Conditioner
Model: DSB-090L/DSB-120L
DSA-100L/DSA-120L
DAEWOO ELECTRONICS CO., LTD.
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Daewoo DSB-090L Specifications

General IconGeneral
TypeSplit System
Cooling Capacity9000 BTU/h
RefrigerantR410A
Power Supply220-240V, 50Hz
Net Weight (Indoor Unit)8 kg
Net Weight (Outdoor Unit)25 kg
WeightIndoor: 8 kg
Operating Temperature (Cooling)18°C to 43°C
Dimensions (Outdoor Unit)700 x 490 x 240 mm

Summary

1. SPECIFICATIONS

DSB-090L Specifications

Detailed technical specifications for the DSB-090L model, including power, capacity, and dimensions.

DSB-120L Specifications

Detailed technical specifications for the DSB-120L model, including power, capacity, and dimensions.

DSA-100L Specifications

Detailed technical specifications for the DSA-100L model, including power, capacity, and dimensions.

DSA-120L Specifications

Detailed technical specifications for the DSA-120L model, including power, capacity, and dimensions.

2. OUTLINE AND DIMENSIONS

Indoor Unit Outline and Dimensions

Diagrams illustrating the physical dimensions and external features of the indoor unit.

Outdoor Unit Outline and Dimensions

Diagrams illustrating the physical dimensions and external features of the outdoor unit.

3. OPERATION

Unit Parts and Functions

Identification and description of key parts and their functions for both indoor and outdoor units.

Remote Controller Features

Explanation of the remote controller buttons, display, and basic operation.

Operational Modes and Features

Details on various operating modes, functions like timers, fan speed, and special operations.

4. WIRING DIAGRAM

MAIN ELECTRIC PARTS

Electric Parts List

List of main electrical components for DSB and DSA model series, including part codes and specifications.

5. REFRIGERANT CYCLE

6. CONTROL BLOCK DIAGRAM

7. ELECTRIC CIRCUIT DIAGRAM

Overall Electric Circuit Diagram

Schematic diagram illustrating the complete electrical connections and components of the air conditioner.

8. TROUBLE SHOOTING

Troubleshooting Guide and Self-Diagnosis

Flowcharts and error code explanations to diagnose and resolve common operational issues.

PCB CIRCUIT DIAGRAM

PCB Circuit Diagrams and Descriptions

Detailed circuit diagrams and explanations for various PCB modules, including power, sensors, and control.

REMOTE CONTROLLER LCD PANEL TEST

LCD Panel Test Procedures

Steps and flow charts for testing the functionality and display of the remote controller's LCD panel.

Remote Controller Functional Test Method

Methodology for testing the overall functional performance of the remote controller assembly.

KEY COMPONENTS OF ELECTRONIC CIRCUIT

MICOM (Microcontroller) Pinout

Detailed pin configuration and function description for the main microcontroller (MICOM) chip.

Darlington Arrays and Voltage Regulators

Schematics and descriptions for Darlington arrays and voltage regulator ICs used in the circuit.

Reset IC and Photo Triac

Circuit details for the reset IC and photo triac components.

DISASSEMBLY INSTRUCTIONS

Indoor Unit Disassembly

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

Outdoor Unit Disassembly

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

Control Box Assembly

Diagram and parts list for the control box assembly and its components.

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