Daewoo DSB-121L - User Manual

Service Manual
Split System Air
Conditioner
Model: DSB-070L
DSB-091L
DSB-121L
DAEWOO ELECTRONICS CO., LTD.
✔ Caution
: In this Manual, some parts can be changed for improving, their
performance without notice in the parts list. So, if you need the
latest parts information,please refer to PPL(Parts Price List) in
Service Information Center (http://svc.dwe.co.kr).
S/M No. : DSB070L010

Summary

OPERATION

Indoor Unit Operation and Components

Identification of indoor unit parts, display, and switch panel functions.

REMOTE CONTROLLER

Remote Controller Operation and Display

Explains remote controller buttons, display indicators, and battery replacement.

DESCRIPTION OF FUNCTIONS

Key Operating Functions and Modes

Explains timer, temperature control, fan speed, sleep, emergency, auto, and dehumidification modes.

WIRING DIAGRAM

System Wiring Diagram

MAIN ELECTRIC PARTS

Electric Parts Lists (DSB-070 L, DSB-091 L, DSB-121 L)

ELECTRIC CIRCUIT DIAGRAM

System Electric Circuit Diagram

TROUBLE SHOOTING

Troubleshooting Guide and Self-Diagnostics

Step-by-step guides and self-diagnostic use for diagnosing unit malfunctions.

PCB CIRCUIT DIAGRAM

PCB Circuit Analysis and Components

Overview and detailed diagrams of PCB components, circuits, and functions.

KEY COMPONENTS OF ELECTRONIC CIRCUIT

Electronic Component Identification

DISASSEMBLY INSTRUCTIONS

Indoor Unit Disassembly

Step-by-step guides for disassembling indoor units (DSB-070L/091L and DSB-121L).

Outdoor Unit Disassembly

Daewoo DSB-121L Specifications

General

Brand	Daewoo
Model	DSB-121L
Category	Air Conditioner
Language	English