Daewoo DSB-090L User manual

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

CONTENTS
1. Specifications................................................................................................2
2. Outline and Dimensions .................................................................................4
3. Operation.....................................................................................................6
4. Wiring Diagram..........................................................................................18
5. Refrigerant Cycle.........................................................................................21
6. Control Block Diagram.................................................................................22
7. Electric Circuit Diagram................................................................................23
8. Trouble Shooting..........................................................................................25
9. Key Components of Electronic Circuit............................................................47
10. Disassembly Instructions ...............................................................................50
1) Indoor Unit..............................................................................................50
2) Outdoor Unit...........................................................................................51
3) Exploded Diagram (Indoor Unit) ...............................................................52
4) Exploded Diagram (Outdoor Unit) ............................................................55
5) Control Box Assembly..............................................................................60
Contents

2
1. SPECIFICATIONS
MODEL DSB-090L
ITEM
Function Cooling
Class T
Power AC 220-240V / 50Hz
Capacity W 2,770
Btu/h 9,500
Dehumidification l/h 2.1
Running Current A 4.5A
Power Input W 950W
Starting Current A 24A
Type Rotary
Model RCB 090A001
Capacitor 25µF/400VAC
Division Indoor Unit Outdoor Unit
Type Cross flow fan Propeller fan
Capacitor 1.0µ F 400VAC 1.8µF 400VAC
Motor Model Number IC-8428DWKG7A IC-9630DWLC5A
Control Capillary
Charge Q'ty g 1,170
Type Flare
OD (Liquid/Suction) in(mm) 1/4 (6.35) 1/2 (12.7)
Dimensions (W x H x D) mm 925 x 285 x 194 666 x 552 x 264
Net Weight kg 9.7 34
Electrical
Data
Compressor
Fan
Refrigerant
(R-22)
Connection
¡DSB-090L

3
MODEL DSB-120L
ITEM
Function Cooling
Class T
Power AC 220-240V / 50Hz
Capacity W 3,507
Btu/h 12,000
Dehumidification l/h 2.1
Running Current A 5.7A
Power Input W 1,250A
Starting Current A 34A
Type Rotary
Model RCB 120A001
Capacitor 25µF / 400VAC
Division Indoor Unit Outdoor Unit
Type Cross flow fan Propeller fan
Capacitor 1.0µ F 400VAC 3.5µF 400VAC
Motor Model Number IC-8428DWKG7A IC-9430DWLC5A
Control Capillary
Charge Q'ty g 1,300
Type Flare
OD (Liquid/Suction) in(mm) 1/4 (6.35) 1/2 (12.7)
Dimensions (W x H x D) mm 925 x 285 x 194 666 x 552 x 264
Net Weight kg 9.7 34
Electrical
Data
Compressor
Fan
Refrigerant
(R-22)
Connection
¡DSB-120L

4
MODEL DSA-100L
ITEM
Function Cooling
Class T
Power AC 208-230V / 60Hz
Capacity W 2,923
Btu/h 10,000
Dehumidification l/h 2.1
Running Current A 5.1A
Power Input W 1,115W
Starting Current A 27A
Type Rotary
Model RCA 100A001
Capacitor 25µF/400VAC
Division Indoor Unit Outdoor Unit
Type Cross flow fan Propeller fan
Capacitor 1.0µ F 400VAC 1.8µF 400VAC
Motor Model Number IC-8428DWKG7A IC-9630DWLA6A
Control Capillary
Charge Q'ty g 1,150
Type Flare
OD (Liquid/Suction) in(mm) 1/4 (6.35) 1/2 (12.7)
Dimensions (W x H x D) mm 925 x 285 x 194 666 x 552 x 264
Net Weight kg 9.7 34
Electrical
Data
Compressor
Fan
Refrigerant
(R-22)
Connection
¡DSA-100L

5
MODEL DSA-120L
ITEM
Function Cooling
Class T
Power AC 208-230V / 60Hz
Capacity W 3,507
Btu/h 12,000
Dehumidification l/h 2.1
Running Current A 5.7A
Power Input W 1,250W
Starting Current A 34A
Type Rotary
Model RCA 120A001
Capacitor 30µF / 400VAC
Division Indoor Unit Outdoor Unit
Type Cross flow fan Propeller fan
Capacitor 1.0µ F 400VAC 2.0µF 400VAC
Motor Model Number IC-8428DWKG7A IC-9630DWLA6A
Control Capillary
Charge Q'ty g 1,200
Type Flare
OD (Liquid/Suction) in(mm) 1/4 (6.35) 1/2 (12.7)
Dimensions (W x H x D) mm 925 x 285 x 194 666 x 552 x 264
Net Weight kg 9.7 34
Electrical
Data
Compressor
Fan
Refrigerant
(R-22)
Connection
¡DSA-120L

6
REMOCON
Filter - L Filter - R
Grille Insert
Frame Grille
Body
Plate Mounting
Connecting Pipe
Plate Mounting
406
194
285
925
2. OUTLINE AND DIMENSIONS
1
INDOOR UNIT
¡DSB-090L/DSB-120L/DSA-100L/DSA-120L

7
2
OUTDOOR UNIT
Cabinet SideHandleCabinet Front Foot
264
334
Panel Top Cabinet Back
552
572
Inlet
AIR
Inlet
Outlet
Foot Cushion
Service Valve
666
¡DSB-090L/DSB-120L/DSA-100L/DSA-12OL

8
1
PARTS OF NAME AND FUNCTION
Indoor Unit
3. OPERATION
¡DSB-090L/DSB-120L/DSA-100L/DSA-120L
Power Plug
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ON/OFF
TEMP.
AIR-CONDITIONER
REMOTE CONTROLLER
Electrostatic Filter
(option) Deodorizing Filter (option)
Air Inlet
Antibacterial
Filter Air Outlet Fan Direction (Up, Down)
Remote Controller
Remote
Controller
Receiver
Lamp

9
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Remote Control Signal Receiver
This place is the part to receive the signal if it
receive the signal, you can hear the signal
"beep, beep".
Timer (Green)
Lights during the time
reservation mode.
ON (Red)
Lights when the
operation is
going on.
§There is a switch panel at inside of Front
Panel. At the time of operating, open the
Front Panel.
Air clean (Green)
FAN DELAY (Green)
Lights during the time
Fan delay mode
Indoor Unit Display Switch Panel
EMERGENCY REMOTE
ON AIR CLEAN FAN DELAY TIMER
Remote switch is usally used by Remote
Controller.
Emergency switch can be used when the remote
controller is lost or testing.
¡DSB-090L/DSB-120L/DSA-100L/DSA-120L