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Daewoo DSB-091LH User Manual

Daewoo DSB-091LH
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-091LH Specifications

General IconGeneral
Cooling Capacity9000 BTU/h
RefrigerantR410A
Power Supply220-240V, 50Hz
Noise Level (Indoor)38 dB
Net Weight (Indoor Unit)8.5 kg
Net Weight (Outdoor Unit)25 kg
TypeSplit
Operating Temperature (Cooling)18°C to 43°C
Dimensions (Outdoor Unit)700 x 245 x 544 mm

Summary

1. SPECIFICATIONS

2. OUTLINE AND DIMENSIONS

Indoor Unit

Shows diagrams and dimensions for indoor units across various models.

Outdoor Unit

Shows diagrams and dimensions for outdoor units across various models.

3. OPERATION

Name and Function of Parts

Identifies and describes parts of the indoor unit with diagrams.

Indoor Unit Display and Switch Panel

Explains the functions of the indoor unit display and control panel switches.

Outdoor Unit

DSB-070LH/071LH/091LH/092LH/121LH/122LH/123LH Outdoor Unit Connections

Shows external connections and components of the outdoor unit.

DSB-182LH/182LH-R/DSA-183LH-R Outdoor Unit Connections

Shows external connections and components of the outdoor unit.

DSB-240LH-R/DSA-240LH-R Outdoor Unit Connections

Shows external connections and components of the outdoor unit.

2 REMOTE CONTROLLER

Name of Each Button

Identifies and explains the function of each button on the remote controller.

Display Indicators and Battery Replacement

Explains the meaning of indicators and battery replacement for the remote display.

4 DESCRIPTION OF FUNCTIONS

Timers, Temperature Control, and Buzzer

Explains OFF-Timer, ON-Timer, temperature control, and buzzer functions.

Fan Speed and Automatic Operation

Details fan speed settings, relations, and automatic operation modes.

Sleep, Emergency, and Frost Prevention Modes

Explains Sleep, Emergency, and Frost Prevention modes and their operation.

Auto, Dehumidification, and Quick Modes

Details the operation of Auto, Dehumidification, and Quick modes.

Self-Diagnostic Function

Explains error code display patterns and how to use the diagnostic function.

4. WIRING DIAGRAM

Indoor Unit Wiring Diagrams

Shows wiring diagrams for various indoor unit models.

Outdoor Unit Wiring Diagrams

Shows wiring diagrams for various outdoor unit models.

1 MAIN ELECTRIC PARTS

Model Specific Parts Lists

Lists main electric parts for various DSB and DSA model series.

5. REFRIGERANT CYCLE

6. CONTROL BLOCK DIAGRAM

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

Shows the control block diagram for specific indoor unit models.

DSB-121LH/122LH/... Control Block Diagram

Shows the control block diagram for specific indoor unit models.

7. TROUBLE SHOOTING

General Troubleshooting Flowchart

Provides a flowchart for diagnosing general unit operational problems.

Self-Diagnostic Function and Error Codes

Explains how to use the self-diagnostic function and interpret error codes.

Specific Unit Operation Faults

Addresses common faults like unit not running or fan/compressor issues.

1 PCB CIRCUIT DIAGRAM

Indoor Unit PCB Circuit Diagrams

Shows detailed PCB circuit diagrams for various indoor unit models.

Indoor Unit Part Lists

Main Indoor Unit Components

Lists parts for DSB-071LH, DSB-092LH, DSB-123LH, DSA-123LH, DSB-182LH models.

PCB Assembly Component Lists

Lists components for LED and Switch PCB assemblies across models.

8. KEY COMPONENTS OF ELECTRONIC CIRCUIT

MICOM Component (U1)

Details the pin functions and connections of the MICOM component.

Darlington Arrays and Voltage Regulators

Describes Darlington arrays (U2, U4) and voltage regulators (U7, U8).

Reset IC (U9)

Explains the function and pinout of the KIA7042P reset IC.

2 REMOTE CONTROLLER ASSEMBLY FUNCTIONAL TEST METHOD

9. DISASSEMBLY INSTRUCTIONS

Indoor Unit Disassembly

Step-by-step guide for disassembling the indoor unit components.

Outdoor Unit Disassembly

Step-by-step guide for disassembling the outdoor unit components.

3 EXPLODED DIAGRAM (Indoor Unit)

Indoor Unit Exploded Views

Shows exploded diagrams of indoor units for various models.

Outdoor Unit Part Lists

Main Outdoor Unit Components

Lists parts for DSB-070LH/.../123LH and DSB-182LH/... models.

DSB-240LH-R/DSA-240LH-R Outdoor Unit Parts

Lists parts for DSB-240LH-R and DSA-240LH-R outdoor units.

4 EXPLODED DIAGRAM (Outdoor Unit)

Outdoor Unit Exploded Views

Shows exploded diagrams of outdoor units for various models.

5 CONTROL BOX ASSEMBLY

DSB-070LH/071LH/DSB-091LH/092LH Control Box Assembly

Illustrates the assembly and components of the control box for specific models.

DSB-121LH/DSB-122LH Control Box Assembly

Illustrates the assembly and components of the control box for specific models.

DSB-123LH Control Box Assembly

Illustrates the assembly and components of the control box for the DSB-123LH model.

DSB-182LH/182LH-R Control Box Assembly

Illustrates the assembly and components of the control box for specific models.

DSA-183LH-R/DSB-240LH-R/DSA-240LH-R Control Box Assembly

Illustrates the assembly and components of the control box for specific models.

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