Daewoo DSA-125P manuals

Daewoo DSA-125P Service Manual (139 pages)

Brand: Daewoo | Category: Split-system air conditioners | Size: 7.09 MB |

English

Table of contents

Service Manual

1

Contents

2

1. SPECIFICATIONS

3

DSB-091LH/092LH

4

DSB-182LH

7

DSB-182LH-R/DSB-183LH-R

8

DSA-183LH-R

9

DSB-240LH-R

10

DSA-240LH-R

11

2. OUTLINE AND DIMENSIONS

12

DSB-121LH/122LH

14

3. OPERATION

21

REMOTE CONTROLLER

22

◆ DSB-182LH/DSB-182LH-R

25

DSB-123LH

30

DSB-182LH/182LH-R

31

EMERGENCY

32

Outdoor Unit

33

DSB-240LH-R / DSA-240LH-R

35

REMOTE CONTROLLER DISPLAY

38

DESCRIPTION OF FUNCTIONS

39

Fan Speed (Indoor Unit)

40

Sleep Mode

41

Emergency Operation

41

Auto Mode

42

COOLING POSITION

43

HEATING POSITION

43

Self-Diagnostic Function

44

4. WIRING DIAGRAM

45

◆DSA-181LH/182LH

46

DSB-181LH/182LH/182LH-R

46

◆DSA-183LH-R, DSB-183LH-R

46

DSA-240LH-R, DSB-240LH-R

46

MAIN ELECTRIC PARTS

48

5. REFRIGERANT CYCLE

51

6. CONTROL BLOCK DIAGRAM

52

STEPPING MOTOR

53

COMPRESSOR

53

7. TROUBLE SHOOTING

54

4 During dehumidifier mode

58

Only Compressor does not Run

59

PCB DRIVING DESCRIPTION

60

PCB CIRCUIT DIAGRAM

61

* R-OPT. DETAIL LIST

78

Power Supply(1)

81

Oscillator(2)

81

Sensor(3)

82

Triac Driving(4)

83

DESCRIPTION

84

0.56ms 0.56ms1.69ms

84

1.12ms 2.25ms

84

Micom Power Supply(7)

85

Reset(8)

86

Buzzer Driving(10)

87

Function Selecting(9)

87

Zero Crossing Detect(11)

88

Stepping Motor Driving(12)

89

(1) U1 (MICOM)

92

(5) U9 (KIA7042P) : RESET IC

94

9. DISASSEMBLY INSTRUCTIONS

95

DSB-182LH/DSB-182LH-R

99

OUTDOOR UNIT

102

DSB-240LH-R/DSA-240LH-R

104

DSB-070LH/DSB-091LH

105

✔ Caution:

106

DSB-071LH/DSB-092LH

107

DSB-121LH

109

DSB-123LH

112

DSB-182LH/LH-R

115

CONTROL BOX ASSY

118

CONTROL BOX ASSEMBLY

129

DSB-121LH/DSB-122LH

131

DSB-182LH/182LH-R

135

DSA-240A-R/AH-R

138

DSB-240AH-R

138

DSB-240PH-R

138

DEAWOO ELECTRONICS CO., LTD

139

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