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

1
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

2
1.Features
1.1Compact design
1.2LED display

°C
°C
m
m
20
R22 / 1450
56/60
2500
800
YDK53-6D
1080X330X225
1080/1020/960/880
1200/1120/1080/1000
2µ
Welling
YDK36-4C
P14RE5245 (Interna)
Welling
16
54
150
950
≤
ø ø
10

4
3.Dimensions
3.1 Indoor unit
DSA-241L

5
3.2 Outdoor unit
DSA-241L
12.5

6
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
7

8
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
R4
10K
R3
10K
SDA
SCL
C1
104
+5V R7 12K
1
23
IC1 KIA7042
RST
BUZ1
R9
1K
+12V
BUZ
E4
10uF/16V
R17
8.1K/1%
C9
104
R11 2K
D14
IN4148
D13
IN4148
+5V
1
2
CN7
T1_room
T1_room
E5
10uF/16V
R18
8.1K/1%
C11
104
R12 2K
D16
IN4148
D15
IN4148
+5V
1
2
CN8
T2_I.pipe
T2_I.pipe
C14
102 +5V
R8 1K
REC
L1
N
IN1
1
IN2
2
IN3
3
IN4
4
IN5
5
IN6
6
IN7
7
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
1
2
3
4
5
CN11
SWING
RY6
HEAT N
RY7
HEAT L
HEAT
N
FUSE1
3.15A/250V
LOAD_HEAT L
LOAD_HEAT N
1
CN13
HEAT_L
1
CN10
HEAT_N
ZR1
14D681K
C16
0.1uF/275VAC
1
2
CN5
TRANS_IN
SW1
t
PTC1
82RM
R6
10K C7
104
R5
10K
+5V
SW _T E ST
SEG1
SEG2
SEG3
SEG4
+12V
C2
104
Vin
1
GND
2
Vout 3
IC3 7805 +5V
E3
470uF/16V
C8
104
D7
D3
D2
D1
+12V
E2
1000uF/25V
C6
104
IN4007*8
C5
104
E1
2200uF/25V
D8
D6
D5
D4
1
2
3
4
CN1
TRANS_OUT
1
2
CN2
POWER
L
L
RY5
FAN_IN H
+12V
L1
RY4
M
L1
RY3
L
L1
In_FanM
In_FanL
In_FanLL
In_FanH
In_FanM'
In_FanL'
In_FanLL'
In_FanH'
RY1
LL
L1
In_FanM'
In_FanL'
In_FanLL'
In_FanH'
1
2
3
4
5
CN6
CON5
N
HEAT'
HEAT'
R1
10K
+5V
Model
12VAC2
12VAC1
5VAC2
5VAC1
VSS
1
VDD
2
P25
3
P26
4
P00
5
P01
6
P02
7
P03
8
P04
9
VSS1
10
P05
11
P50
12
P51
13
P52
14
P53
15
AVDD
16
AVREF
17
ANI0
18
ANI1
19
ANI2
20
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
T1
T2
SW
BUZ
REC
Reset
X2
X1
SEG1
SEG2
SEG3
SEG4
+5V
+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
1M
C10
104
Model
TxD20
RxD20
R13
2K
Q1
9014
D9
IN4148
R14
2K
Q3
9014
D11
IN4148
R16
2K
Q5
9014
+12V
+12V
RXD20
TXD20
ZD1
IN4749
C15
473
E6
100uF/35V
D18 1N4007 C17
471/250v
C13
104
R24
5.1k C19
101
D17
1N4007
R27
4.7K
S
R22
3.5K/3W
R23
100K
N
R20
11K/2W
R21
11K/2W
L1
R25
330
TxD20
RxD20
+5V
IC6
PC851
IC5
PC817
R15 2k
+5
Q4
NPN R14
2k
C20
101
1
CN12
1
2
3
REC1
R19
150
C11
104
E7
47UF/16V
LED9
RUN
LED7
DEF.
LED6
AUTO
LED8
TIMER
显示 板原 理图
+5
C18
104
Dsa
1
Dsb
2
Q0 3
Q1 4
Q2 5
Q3 6
GND
7
CP
8
MR
9Q4 10
Q5 11
Q6 12
Q7 13
Vcc
14
IC8
74HC164
a
b
c
d
e
f
g h
com1 com2
DIS1
WT4021BG
R45 330
R46 330
R47 330
R48 330
R49 330
R54 330
R55 330
Q10
DTA143
Q9
DTA143
Q8
DTA143
SEG1
SEG2
+5
SEG3
REC1
+5
SEG4
SEG5
SEG5 SEG5
+5
C20
104
SEG5
REC1
J1
R2
10K
+5V
J2
EEPROM
EEPROM
J1 J2
冷暖
有掉电记忆
无掉电记忆
单冷
无
有
R59
10K
C17
101
1
2
3
4
5
6
7
8
CN9
E8
100UF/16V
R60
10K
C16
101

9
C10
104
+5V R11 12K
1
23
IC6 KIA7042
RST
CT1
0057U
D11
1N4148
R8
5.1K/1%
R10
1K/1%
R7
16K
E3
100uF/16V
D10
1N4148
R6 2K
C5
104
+5V
Current
L1
N
RL5
1
CN5
AC_N
L1
FUSE1
3.15A/250V
1
CN9
VAL VE
1
CN8
COMP
ZR1
14D681K
C3
0.1uF/275VAC
1
2
CN6
TRANS_IN
t
PTC1
82RM
C15
104
R32
10K
+5V
压力 开关
C11
104
相序 C
相序 B
T3
F_OUT2
压力 开关
相序CRX
TX
F_OUT2
RST
TX
Current
COMP
VAL VE
F_OUT1
压力开关
+5V
单相 启动
曲轴 箱
指示 灯
N
Reset
X2
X1
RX
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
1M
C7
104
+5V
Vin
1
GND
2
Vout 3
IC1 7805 +5V
E2
470uF/16V
C2
104
D4
D3
D2
D1 +12V
E1
1000uF/25V
C1
104
IN4007*8
1
CN4
AC_L
1
CN11
F_OUT2
1
CN10
F_OUT1
E4
10uF/16V
R5
8.1K/1%
C6
104
R9 2K
D9
IN4148
D8
IN4148
+5V
T3
1
2
3
4
CN2
T3
R4
10K RL4
+12V
L1
RL3
L1
RL2
L1
RL1
L1
5VAC1
5VAC2
1
2
3
CN1
TRANS_OUT
P23/INTP0
1
P24/INTP1
2
P25/INTP2
3
AVDD
4
P60/AN10
5
P61/AN11
6
P62/AN12
7
P63/AN13
8
AVSS
9
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
11
P52
12
P53
13
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
2K
R16
10K
C8
104
+5V
相序A
相序A
R25
68K/2W
D15
4007
IC4
PC817 R23
5.1K
R20
2K
R17
10K
C9
104
+5V
相序B
相序 B
R18
10K
+5V
相序C
相序 C
1
2
3
4
CN14
1
CN15
F1
1
CN16
F2
1
CN13
曲轴箱
C4 333
R3
51/1W
1
2
CN7
1
2
CN12
IC8
PC851
IC7 PC817
RX
TX
1
CN3 S
N
J9
R27
2K
R29
5.1K
D18
1N4007
C12
104
R35
5.1K
C18
101
R31
3.5k/3W
C13
471/250V
+5V
TX
RX
N
Q5
9014
Q4
9014
Q2
9014
Q1
9014
Q3
9014
R1
2k
R2
2k
R15
2k
R14
2k
R13
2k
D5
4148
D6
4148
D7
4148
D13
4148
D12
4148
COMP
VAL VE
F_OUT1
F_OUT2
曲轴箱
Q6
9014
R30
2k
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
2k
R38
330
+5
Q7
NPN
C17
101
L
L
J10