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S/M No. : 3113907100




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
DSB-183LH-R
DSA-183LH-R
DSB-240LH-R
DSA-240LH-R

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).




by Nemko

DAEWOO ELECTRONICS CO., LTD.
Contents


CONTENTS
1. Specifications..........................................................................................................2
2. Outline and Dimensions.......................................................................................11
3. Operation ..............................................................................................................20
4. Wiring Diagram.....................................................................................................44
5. Refrigerant Cycle..................................................................................................50
6. Control Block Diagram .........................................................................................51
7. Trouble Shooting...................................................................................................53
8. Key Components of Electronic Circuit .................................................................87
9. Disassembly Instructions .....................................................................................90
1) Indoor Unit ........................................................................................................90
2) Outdoor Unit .....................................................................................................97
3) Exploded Diagram (Indoor Unit)....................................................................100
4) Exploded Diagram (Outdoor Unit).................................................................116
5) Control Box Assembly....................................................................................124
1. SPECIFICATIONS
xDSB-070LH/071LH

MODEL
DSB-070LH /071LH
ITEM

Function Cooling & Heating

Class T

Power AC 220~ 240V/ 50Hz

Capacity W 2,051/2,051

Btu/h 7,000/7,000

Dehumidification l/h 0.89

Running Current A 3.1/3.1
Electrical
Data Power Input W 740/720

Starting Current A 18

Type Rotary

Compressor Model RBB075A011

Capacitor 25