Daewoo DSA-241L Service 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/M No : DSA241L001
1
Contents
1. Features………………………………………………………………… 02
2. Specification………………………………………………………..……03
3. Dimensions…………………………………………………………..… 04
4. Refrigeration cycle diagram……………………………………………06
5. Capacity table…………………………………………………………...07
6. Wiring diagram…………………………………………………..………08
7. Troubleshooting………………………………….………….…………..11
8. Electronic function…………………………………………………… .17
9. Characteristic of temp. sensor…………………………………………23
2
1.Features
1.1 Compact design
1.2 LED 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
GND4SDA
5
SCL
6
WC
7
VCC
8
IC2 24C04
+5V
C3 104
R4
10KR310K
SDA
SCL
C1
104
+5V
R712K
1
2
3
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
VSS8VDD
9
OUT7
10
OUT6
11
OUT5
12
OUT4
13
OUT3
14
OUT2
15
OUT1
16
IC7
UJN2003
STE P_ I 2
STE P_ I 1
STE P_ I 3
STE P_ I 4
+12V
C12
104
1
2
3
4
5
CN11
SWI NG
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
ANI321ANI4
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
STE P_ I 2
STE P_ I 1
STE P_ I 3
STE 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
STE P_ I 1
STE P_ I 2
STE P_ I 3
STE 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
MR9Q4
10
Q5
11
Q6
12
Q7
13
Vcc
14
IC8
74HC164
abcde
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
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