Daewoo DSB-070LH User manual

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

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
Contents

2
1. SPECIFICATIONS
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
Power Input W 740/720
Starting Current A 18
Type Rotary
Model RBB075A011
Capacitor 25µF/370VAC
Indoor Unit Outdoor Unit
Type Cross flow fan Propeller fan
Capacitor 1.0µF 400VAC 1.8µF 400V
Motor Model Number YDK-8-4B YDK-30-6B/YDK-30-6B
Control Capillary
Charge Q'ty g 850
Type Flare
OD (Liquid/Gas) in(mm) 1/4 (6.35) 3/8 (9.52)
Dimensions (W x H x D) mm 750 x 245 x 174 654 x 549 x 256
Net Weight kg 7.0 34
Electrical
Data
Compressor
Fan
Motor
Refrigerant
(R-22)
Connection
◆DSB-070LH/071LH

3
MODEL DSB-091LH/092LH
ITEM
Function Cooling & Heating
Class T
Power AC 220~240V/ 50Hz
Capacity W 2,637/2,637
Btu/h 9,000/9,000
Dehumidification l/h 1.15
Running Current A 4.5/4.5
Power Input W 1,000/1,000
Starting Current A 24
Type Rotary
Model RBB100A011
Capacitor 30µF / 370VAC
Indoor Unit Outdoor Unit
Type Cross flow fan Propeller fan
Capacitor 1.0µF 400VAC 1.8µF 400V
Motor Model Number YDK-8-4B A9530BD010/YDK-30-6B
Control Capillary
Charge Q'ty g 800
Type Flare
OD (Liquid/Gas) in(mm) 1/4 (6.35) 3/8 (9.52)
Dimensions (W x H x D) mm 750 x 245 x 174 654 x 549 x 256
Net Weight kg 7.0 34
Electrical
Data
Compressor
Fan
Motor
Refrigerant
(R-22)
Connection
◆DSB-091LH/092LH

4
MODEL DSB-121LH/122LH
ITEM
Function Cooling & Heating
Class T
Power AC 220~240V/ 50Hz
Capacity W 3,663/3,956
Btu/h 12,500/13,500
Dehumidification l/h 1.6
Running Current A 7.0/6.5
Power Input W 1,500/1,410
Starting Current A 37
Type Rotary
Model RCB 150A001
Capacitor 35µF/ 370VAC
Division Indoor Unit Outdoor Unit
Type Cross flow fan Propeller fan
Capacitor 1.0µF 400VAC 3.5µF 400VAC
Motor Model Number YDK-8-4B/A YDK-40-4B
Control Capillary
Charge Q'ty g 1,060
Type Flare
OD (Liquid/Gas) in(mm) 1/4 (6.35) 1/2 (12.7)
Dimensions (W x H x D) mm 925 x 285 x 194 654 x 549 x 256
Net Weight kg 9.7 34
Electrical
Data
Compressor
Fan
Motor
Refrigerant
(R-22)
Connection
◆DSB-121LH/122LH

5
MODEL DSB-123LH
ITEM
Function Cooling & Heating
Class T
Power AC 220~240V/ 50Hz
Capacity W 3,517/3,810
Btu/h 12,000/13,000
Dehumidification l/h 1.28
Running Current A 6.8/7.3
Power Input W 1,500/1,550
Starting Current A 37
Type Rotary
Model RCB 150A001
Capacitor 35µF/ 370VAC
Division Indoor Unit Outdoor Unit
Type Cross flow fan Propeller fan
Capacitor 1.5µF 400VAC 3.5µF 400VAC
Motor Model Number RP-13B YDK-40-4B
Control Capillary
Charge Q'ty g 1,230
Type Flare
OD (Liquid/Gas) in(mm) 1/4 (6.35) 3/8 (9.52)
Dimensions (W x H x D) mm 815 x 285 x 195 654 x 549 x 256
Net Weight kg 9.2 34
Electrical
Data
Compressor
Fan
Motor
Refrigerant
(R-22)
Connection
◆DSB-123LH

6
MODEL DSB-182LH
ITEM
Function Cooling & Heating
Class T1
Power AC 220~240V/ 50Hz
Capacity W 5,129/5,422
Btu/h 17,500/18,500
Dehumidification l/h 2.3
Running Current A 9.65/10
Power Input W 2,150/2,235
Starting Current A 49
Type Rotary
Model SHW33TC4-U
Capacitor 50µF / 370VAC
Indoor Unit Outdoor Unit
Type Cross flow fan Propeller fan
Capacitor 1.2µF 450VAC 3µF 400V
Motor Model Number IC-9425DWKC5C YDK-50-6B
Control Capillary
Charge Q'ty g 1,480
Type Flare
OD (Liquid/Gas) in(mm) 1/4 (6.35) 1/2 (12.7)
Dimensions (W x H x D) mm 1035 x 322 x 205 800 x 615 x 320
Net Weight kg 12.1 51.9
Electrical
Data
Compressor
Fan
Motor
Refrigerant
(R-22)
Connection
◆DSB-182LH

7
MODEL DSB-182LH-R
ITEM
Function Cooling & Heating
Class T1
Power AC 220~240V/ 50Hz
Capacity W 5,275/5,275
Btu/h 18,000/18,000
Dehumidification l/h 2.3
Running Current A 9.2/9.5
Power Input W 2,000/2,100
Starting Current A 54
Type Recipro
Model SHW33TC4-U
Capacitor 35µF / 370VAC
Indoor Unit Outdoor Unit
Type Cross flow fan Propeller fan
Capacitor 1.2µF 450VAC 3µF 400V
Motor Model Number IC-9425DWKC5C YDK-50-6B
Control Capillary
Charge Q'ty g 1,550
Type Flare
OD (Liquid/Gas) in(mm) 1/4 (6.35) 1/2 (12.7)
Dimensions (W x H x D) mm 1035 x 322 x 205 800 x 615 x 320
Net Weight kg 12.1 63.5
Electrical
Data
Compressor
Fan
Motor
Refrigerant
(R-22)
Connection
◆DSB-182LH-R

8
MODEL DSA-183LH-R
ITEM
Remark JIS C9812 SAA385386
Function Cooling & Heating
Class T1
Power AC 220V / 60Hz
Capacity W 5275.5/5422 4500/5400
Btu/h 18,000/18,500 15354/18425
Dehumidification l/h 2.3
Running Current A 9.4/8.8 10.4/8.8
Power Input W 2,000/1,900 2,200/1,900
Starting Current A 52 52
Type Recipro
Model AWG5519EXN
Capacitor 35µF / 400VAC
Indoor Unit Outdoor Unit
Type Cross flow fan Propeller fan
Capacitor 2µF / 400VAC 4µF / 440VAC
Motor Model Number IC-9430DWKF7A IC-1625DWCF6B
Control Capillary
Charge Q'ty g 1500
Type Flare
OD (Liquid/Gas) in(mm) 1/4 (6.35) 1/2 (12.7)
Dimensions (W x H x D) mm 1080 x 298 x 200 800 x 630 x 320
Net Weight kg 14.7 63.5
Electrical
Data
Compressor
Fan
Motor
Refrigerant
(R-22)
Connection
◆DSA-183LH-R

9
MODEL DSB-240LH-R
ITEM
Function Cooling & Heating
Class T1
Power AC 220~240V/ 50Hz
Capacity W 7,034/7,034
Btu/h 24,000/24,000
Dehumidification l/h 2.67
Running Current A 13.4 / 13.6
Power Input W 2,450 / 2,500
Starting Current A 83
Type Recipro
Model AWG5530EXC
Capacitor 45µF/ 400VAC
Division Indoor Unit Outdoor Unit
Type Cross flow fan Propeller fan
Capacitor 2µF 400VAC 5µF 400VAC
Motor Model Number IC-9430DWKF7A OSME-806DERC
Control Capillary
Charge Q'ty g 2,050
Type Flare
OD (Liquid/Suction) in(mm) 3/8 (9.52) 5/8 (15.9)
Dimensions (W x H x D) mm 1080 x 298 x 200 872 x 675 x 325
Net Weight kg 14.7 65
Electrical
Data
Compressor
Fan
Motor
Refrigerant
(R-22)
Connection
◆DSB-240LH-R

10
MODEL DSA-240LH-R
ITEM
Remark JIS C9812 SAA385386
Function Cooling & Heating
Class T1
Power AC 220V / 60Hz
Capacity W 7,034/7,034 5,129
Btu/h 24,000/24,000 17.5
Dehumidification l/h 2.67
Running Current A 11.5/11.8 13
Power Input W 2,500/2,500 2,800
Starting Current A 60 602
Type Recipro
Model AWG5524EXN
Capacitor 35µF / 400VAC
Indoor Unit Outdoor Unit
Type Cross flow fan Propeller fan
Capacitor 2µF / 400VAC 5µF / 400VAC
Motor Model Number IC-9430DWKF7A OSME-986DERC
Control Capillary
Charge Q'ty g 2,100
Type Flare
OD (Liquid/Gas) in(mm) 3/8 (9.52) 5/8 (15.9)
Dimensions (W x H x D) mm 1080 x 298 x 200 875 x 675 x 325
Net Weight kg 14.7 65
Electrical
Data
Compressor
Fan
Motor
Refrigerant
(R-22)
Connection
◆DSA-240LH-R

11
750
Plate Mounting
REMOCON
Connecting Pipe
Grille Insert
179
245
REMOTECONTROLLER
Frame Grille
Body
Plate Mounting
2. OUTLINE AND DIMENSIONS
1
INDOOR UNIT
◆DSB-070LH/DSB-091LH

12
750
Plate Mounting
REMOCON
Connecting Pipe
Grille Insert
179
245
REMOTECONTROLLER
Frame Grille
Body
Plate Mounting
◆DSB-071LH/DSB-092LH

13
REMOCON
Filter - L Filter - R
Grille Insert
Frame Grille
Body
Plate Mounting
Connecting Pipe
Plate Mounting
406
194
285
925
REMOTECONTROLLER
◆DSB-121LH/122LH

14
◆DSB-123LH

15
Connecting Pipe
Body
Grille Insert
Plate Mounting
453
Filter-L Filter-R
REMOCON
1035
322
1035
◆DSB-182LH/LH-R

16
Connecting Pipe
Body
Frame Grille
Grille Insert
Plate Mounting
430
710
1080
Filter-L Filter-R
REMOCON
◆DSA-183LH-R/DSB-240LH-R/DSA-240LH-R
200
298

17
◆DSB-070LH/071LH/091LH/092LH/121LH/122LH/123LH
2
OUTDOOR UNIT

18
◆DSB-182LH/LH-R/DSA-183LH-R
Inlet
Inlet
Outlet
Outlet
Foot
Foot Cushion
Handle
Cabinet Side Panel Top Guide Support
Service Valve
Cabinet Front
320
615
800

Inlet
380
699
323
foot
Service valve
873
Cabinet front Service Cover
Cabinet Side
◆DSB-240LH-R/DSA-240LH-R
19