Daewoo DSA-241L User manual

Service Manual

Split System

Air Conditioner

Model: DSA-241L

AUG., 2006

✔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.

S/MNo: DSA241L001

Contents

1. Features………………………………………………………………… 02

2. Specification………………………………………………………..……03

3. Dimensions…………………………………………………………..… 04

4. Refrigeration cycle diagram……………………………………………06

5. Capacitytable…………………………………………………………...07

6. Wiring diagram…………………………………………………..………08

7. Troubleshooting………………………………….………….…………..11

8. Electronic function…………………………………………………… .17

9. Characteristicof temp.sensor…………………………………………23

1.Features

1.1Compact design

1.2LED display

°C

R22 / 1450

56/60

2500

800

YDK53-6D

1080X330X225

1080/1020/960/880

1200/1120/1080/1000

2µ

Welling

YDK36-4C

P14RE5245 (Interna)

Welling

150

950

≤

ø ø

3.Dimensions

3.1 Indoor unit

DSA-241L

3.2 Outdoor unit

DSA-241L

12.5

4.Refrigeration cycle diagram

5.1 DSA-241L

SUMMER OUTDOOR TEMPERATURE DRY

Indoor

Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC

Total capacity kW 6.57 6.25 5.81 5.34 4.90 4.57

Sensitive capacity kW 4.61 4.47 4.28 4.06 3.85 3.69

21ºC D

15ºC W Input kW. 2.30 2.50 2.71 2.95 3.13 3.35

Total capacity kW 7.04 6.73 6.35 5.94 5.55 5.22

Sensitive capacity kW 4.89 4.75 4.58 4.41 4.28 4.23

24ºC D

17ºC W Input kW. 2.30 2.52 2.75 2.98 3.21 3.44

Total capacity kW 7.54 7.40 7.00 6.45 5.87 5.37

Sensitive capacity kW 5.30 5.19 5.12 4.75 4.51 4.30

27ºC D

19ºC W Input kW. 2.34 2.58 2.80 3.05 3.29 3.52

Total capacity kW 7.98 7.80 7.69 7.42 7.08 6.73

Sensitive capacity kW 5.24 5.09 5.04 4.96 4.90 4.92

32ºC D

23ºC W Input kW. 2.41 2.59 2.87 3.15 3.42 3.70

5. Capacity table

6. Schematic diagram and wiring diagram

6.1 Schematic diagram

A0 1

A1 2

A2 3

GND 4

SDA

5SCL

6WC

7VCC

8IC2 24C04

+5V C3 104

10K

SDA

SCL

104

+5V R7 12K

IC1 KIA7042

RST

BUZ1

+12V

BUZ

10uF/16V

R17

8.1K/1%

104

R11 2K

D14

IN4148

D13

IN4148

+5V

CN7

T1_room

10uF/16V

R18

8.1K/1%

C11

104

R12 2K

D16

IN4148

D15

IN4148

+5V

CN8

T2_I.pipe

C14

102 +5V

R8 1K

REC

IN1

IN2

IN3

IN4

IN5

IN6

IN7

VSS

8VDD 9

OUT7 10

OUT6 11

OUT5 12

OUT4 13

OUT3 14

OUT2 15

OUT1 16

IC7

UJN2003

ST E P_ I 2

ST E P_ I 1

ST E P_ I 3

ST E P_ I 4

+12V

C12

104

CN11

SWING

RY6

HEAT N

RY7

HEAT L

HEAT

FUSE1

3.15A/250V

LOAD_HEAT L

LOAD_HEAT N

CN13

HEAT_L

CN10

HEAT_N

ZR1

14D681K

C16

0.1uF/275VAC

CN5

TRANS_IN

SW1

PTC1

82RM

10K C7

104

10K

+5V

SW _T E ST

SEG1

SEG2

SEG3

SEG4

+12V

104

Vin

GND

Vout 3

IC3 7805 +5V

470uF/16V

104

+12V

1000uF/25V

104

IN4007*8

104

2200uF/25V

CN1

TRANS_OUT

CN2

POWER

RY5

FAN_IN H

+12V

RY4

RY3

In_FanM

In_FanL

In_FanLL

In_FanH

In_FanM'

In_FanL'

In_FanLL'

In_FanH'

RY1

In_FanM'

In_FanL'

In_FanLL'

In_FanH'

CN6

CON5

HEAT'

10K

+5V

Model

12VAC2

12VAC1

5VAC2

5VAC1

VSS

VDD

P25

P26

P00

P01

P02

P03

P04

VSS1

P05

P50

P51

P52

P53

AVDD

AVREF

ANI0

ANI1

ANI2

ANI3

21 ANI4 22

ANI5 23

AVSS 24

P10 25

P11 26

P30 27

P31 28

P32 29

P33 30

P20 31

VDD1 32

P21 33

P22 34

P23 35

P24 36

Vpp/IC 37

XT2 38

XT1 39

RESET 40

X2 41

X1 42

IC4

IC_UPD789166(42PIN)

In_FanM

In_FanL

In_FanLL

In_FanM

In_FanL

In_FanLL

SDA

SCL

RST

BUZ

T1_room

T2_I.pipe

REC

ST E P_ I 2

ST E P_ I 1

ST E P_ I 3

ST E P_ I 4

In_FanH

HEAT

SW _T E ST

+5V

SEG1

SEG2

SEG3

SEG4

SCL

SDA

BUZ

REC

Reset

SEG1

SEG2

SEG3

SEG4

+5V

Model

ST E P_ I 1

ST E P_ I 2

ST E P_ I 3

ST E P_ I 4

In_FanH

HEAT

X1R19

C10

104

Model

TxD20

RxD20

R13

9014

IN4148

R14

9014

D11

IN4148

R16

9014

+12V

RXD20

TXD20

ZD1

IN4749

C15

473

100uF/35V

D18 1N4007 C17

471/250v

C13

104

R24

5.1k C19

101

D17

1N4007

R27

4.7K

R22

3.5K/3W

R23

100K

R20

11K/2W

R21

11K/2W

R25

330

TxD20

RxD20

+5V

IC6

PC851

IC5

PC817

R15 2k

NPN R14

C20

101

CN12

REC1

R19

150

C11

104

47UF/16V

LED9

RUN

LED7

DEF.

LED6

AUTO

LED8

TIMER

显示板原理图

C18

104

Dsa

Dsb

Q0 3

Q1 4

Q2 5

Q3 6

GND

9Q4 10

Q5 11

Q6 12

Q7 13

Vcc

IC8

74HC164

com1

com2

DIS1

WT4021BG

R45 330

R46 330

R47 330

R48 330

R49 330

R54 330

R55 330

Q10

DTA143

SEG1

SEG2

SEG3

REC1

SEG4

SEG5

SEG5 SEG5

C20

104

SEG5

REC1

10K

+5V

EEPROM

J1 J2

冷暖

有掉电记忆

无掉电记忆

单冷

无

有

R59

10K

C17

101

CN9

100UF/16V

R60

10K

C16

101

C10

104

+5V R11 12K

IC6 KIA7042

RST

CT1

0057U

D11

1N4148

5.1K/1%

R10

1K/1%

16K

100uF/16V

D10

1N4148

R6 2K

104

+5V

Current

RL5

CN5

AC_N

FUSE1

3.15A/250V

CN9

VAL VE

CN8

COMP

ZR1

14D681K

0.1uF/275VAC

CN6

TRANS_IN

PTC1

82RM

C15

104

R32

10K

+5V

压力开关

C11

104

相序 C

相序 B

F_OUT2

压力开关

相序CRX

F_OUT2

RST

Current

COMP

VAL VE

F_OUT1

压力开关

+5V

单相启动

曲轴箱

指示灯

Reset

相序A

曲轴箱

单相启动

+5V

CURRENT

相序B

COMP

VAL VE

F_OUT1

相序A

T3 X1

R12

104

+5V

Vin

GND

Vout 3

IC1 7805 +5V

470uF/16V

104

D1 +12V

1000uF/25V

104

IN4007*8

CN4

AC_L

CN11

F_OUT2

CN10

F_OUT1

10uF/16V

8.1K/1%

104

R9 2K

IN4148

+5V

CN2

10K RL4

+12V

RL3

RL2

RL1

5VAC1

5VAC2

CN1

TRANS_OUT

P23/INTP0

P24/INTP1

P25/INTP2

AVDD

P60/AN10

P61/AN11

P62/AN12

P63/AN13

AVSS

P50

10 IC 19

X2 20

X1 21

VSS 22

VDD 23

P10 24

P11 25

P20/ASCK20 26

P21/TxD20 27

P22/RxD20 28

P51

P52

P53

P00

14 P01 15

P02 16

P03 17

RESET 18

IC2 IC/UPD78F9116

LED1

R24

68K/2W

D14

4007

IC3

PC817 R22

5.1K

R19

R16

10K

104

+5V

相序A

R25

68K/2W

D15

4007

IC4

PC817 R23

5.1K

R20

R17

10K

104

+5V

相序B

相序 B

R18

10K

+5V

相序C

相序 C

CN14

CN15

CN16

CN13

曲轴箱

C4 333

51/1W

CN7

CN12

IC8

PC851

IC7 PC817

CN3 S

R27

R29

5.1K

D18

1N4007

C12

104

R35

5.1K

C18

101

R31

3.5k/3W

C13

471/250V

+5V

9014

R15

R14

R13

4148

D13

4148

D12

4148

COMP

VAL VE

F_OUT1

F_OUT2

曲轴箱

9014

R30

D17

4148

单相启动

压力开关

COMP

VAL VE

F_OUT1

F_OUT2

曲轴箱

单相启动

R39330

R28

R38

330

NPN

C17

101

J10

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