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