12345678910111213141516171819
G
F
E
D
C
B
A
Fig. 2
Fig. 1
CS-A73K/A93K/A123K CS-A73K/A93K/A123K
ELECTRONIC CIRCUIT DIAGRAM
•
CS-A73KE / CU-A73KE
•
CS-A93KE / CU-A93KE
•
CS-A123KE / CU-A123KE
CS-A73K/A93K/A123K
CS-A73K/A93K/A123K
Fig. 3 OLP Characteristics
(Compressor)
3
20 40 60 80 100 120 140
5
7
10
30
20
50
CS/CU-A73K ( CWA12345 )
3
20 40 60 80 100 120 140
5
7
10
30
20
50
CS/CU-A93K ( CWA12346 )
3
20 40 60 80 100 120 140
5
7
10
30
20
50
CS/CU-A123K ( CWA12360 )
0
10
20
30
40
50
60
70
0 1020304050-10
Senser (Thermistor)
Characteristics
Resistance (k )
Temperature (°C)
1
2
Intake Air Temp. Sensor
Pipe Temp. Sensor
1
2
Indoor Heat Exchanger
Temp. Data
Intake Air/
Temperature (°C)
Voltage (V)
Intake Air
Temp. Data
3
4
2
1
0 10203040506070
Pipe Temp. Data
(MX-9)
A54LNK3171B
A54LNK2172B
ECONOMY
(PH-6)
STEPPING MOTOR DRIVE
OFF/ON
TIMER
SLEEP
POWERFUL
10 7
12 5
11 6
9
g
f
e
CN-STM
1
2
3
4
55
4
3
2
1
(MX-5)
(ZH5)
AIR TEMP. SENSOR
(15k 3950)
(20k 3950)
PIPE TEMP. SENSOR
R32
102k
RECEIVER
INDICATOR
a
b
c
d
CN-DISP
1
2
3
4
5
6
9
8
314
215
116
413
(PH4)
1
3
IC5
A52A2003GR2
RX1
24k
R30
26.1k
R31
10k
R28
JX2
SW1
5.1k
R16
1k
R17
0.01µ
C11
16V
10µ
C15
–
+
15k
R26
R27
20k
+
–
C16
10µ
16V
(PH3)
PH302C
330
0.01µ
0.01µ
FO
VCC2
OUT
VCC1
GND
CO
IN-
IN+
47µ
6.3V
–
+
137k
5
6
7
8
4
3
2
1
CN-RCV
2
CN-DISP
8
7
6
5
4
3
2
1
CN-TH
1
2
3
4
MAIN
GRN
ORG
ORG
ORG
RED
0.01µ
C10
10k
R15
R14
1k
SW3
1k
R12
R13
10k
C9
0.01µ
AUTO
PUMP DOWN
SW2
R29
0.01µ
C17
TEST
R8
1k
R9
10k
150k
R34
X1
8MHz (27pF X 2)
+
–
C22
10µ
0.01µ
C23
16V
16V
C19
0.01µ
10µ
C18
–
+
BZ1
BZ
1k
R23
b
e
2.2k
R22
D1
RY-PWR
ERA15-01
c
R21
6.2k
2SD148-4X
Q4
IC2
5
6
8
3
1
RS
D6
D1
R/B
CS
SK4
Vcc GND2 7
C14
0.1µ
A52BR9020F
JX1
R24
10k
RY-H
c
b
e
10k
4.7k
Q8
A55DC143XKTX
Q7
4.7k
10k
e
b
c
RY-SHI
RY-HOT
SSR2
78A05
IC4
G
IO
(NHG)
16V
100µ
C3
–
+
5V12V OI
G
IC5
C1
3300µ
35V
(NHG)
78N12H
+
–
+
–
S1VD20
DB1
DC114EKTX
Q1
4.7k
10k
e
b
c
0.1µ
C4
5.1k
R1
R2
10k
C5
0.022µ
Q2
2SC2412KTX
c
e
b
R4
100k
1.0k
R3
C2
470µ
25V
(NHG)
50V
1µ
C5
–
+
b
e
c
2SC2412KTX
Q3
10k
R5
R44
10k
6.2k
R7
6.2k
R6
0.01µ
C7
ZD1
7.5EL1
(VH-1)
(GREEN)
YELLOW
BROWN
ORANGE
WHITE
RED
MOTOR
FAN
CN-FM7654321
32
BLUE
(GREEN)
CN-C 1
(VH-3)
CN-FUSE1 31
RY-PWR
FUSE
2.0A
AC
(WHT)
511U
ZNR2
SSR1
A56W2DEH1-5
RY-SHI
RY-H
CR1
0.022µ
RY-M
T1
510
63
511U
ZNR1
CR2
CR3
CR4
120
120
0.022µ
120
0.022µ
120
0.022µ
1.5µ
400V AC
C-FM
AIR SWING
MOTOR
RY-PWR DRIVE
RELAY DRIVE
REGULATOR REGULATOR
POWER CLOCK
GENERATOR
RELAY DRIVE
A55DC143XKTX
GENERATION
RESET SIGNAL
RESET SIGNAL
GENERATION
113°C
A56W2DEH1-5
BLACK
BLUE
ERZ-TCEAK471
CT1
CWA40322
TERMINAL
COMPRESSOR
TRADE MARK
BLUE RED
YELLOW
TRS
BLACK
MOTOR
FAN
WHITE
REVERSING VALVE
COIL
ELECTROLYTIC CAPACITOR
BLACK
BLACK
BLACK
MAGNETIC
RELAY B
RELAY A
MAGNETIC
GRAY
GRAY
RED
BROWN 6
78
2
47
6
4
2
8
YELLOW
CAPACITOR
RED
BLUE
BLUE
BLUE
COMPRESSOR
CAPACITOR
WHITE
BLUE
RED
YELLOW
OVER LOAD
BLACK BLACK
CAPACITOR
ELECTROLYTIC
1
2
3
4
SWITCH
SUPPLY
POWER
50/60Hz
SINGLE PHASE
AC 220-230V
4
3
2
1
A54MA723TA
D2
10k
R42
10µ
C20
–
+
51k
R43
0.01µ
C21
A54MA165TA5
D3
FM
(BLU)(RED)
HOT
ZNR2
CR1
CWA59015
RY-HOT
CWA00161
SSR2
FUSE
TEMPERATURE
IC1
A52D00226506
ANI1
ANI2
ANI3
ANI4
ANI5
ANI6
ANI7
AVss
VDO1
P25
P24
P23
SCK30
SO30
SI30
P36
12345678910111213141516
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
2928272625 30
P50
P51
P52
P53
P54
P55
P56
P57
Vss0
VDD0
P30
P31
P32
P33
P34
P35
P47
P46
P45
P44
P43
P42
P41
P40
P67
P66
P65
P64
BUZ
P74
P73
TO50
P71
P70
P03
P02
INTP1
INTP0
Vss
X1
X2
IC
XT1
XT2
RESET
AVdc
AVref
ANI0
330R39
R38 330
330R36
R37 330
R35 330
10k
R41
R45
10k
RY-M
SSR1
A55DC143XKTX
RELAY DRIVE
RELAY DRIVE
c
b
e
10k
4.7k
Q5
A55DC143XKTX
Q6
4.7k
10k
e
b
c
16V
13CN-FUSE2
TEMPERATURE
FUSE
102°C
2 2
4
1
PROTECTOR
RELAY DRIVE SIGNAL
SSR1
DISPLAY
RY-HOT
SSR2
RY-PWR
STEPPING MOTOR
DRIVE SIGNAL
BUZZER
TIMER
SHORTEN
OPERATION
AUTO
PUMP-DOWN
POWER CLOCK INPUT
COMMAND INPUT
REMOTE CONTROL
8MHz
OSC
RESET
INTAKE
AIR TEMP
PIPE
TEMP
POWER
GROUND
AND
AUTO RESTART
RANDOM AUTO RESTART
SIGNAL
RELAY
DRIVE
RY-M
RY-H
RY-SHI
DEICE
DETECTION
+–
~
~
Fig.1
512
Ambient Temperature (°C)
Ambient Temperature (°C)Ambient Temperature (°C)
Ultimate Trip Current (A)
Ultimate Trip Current (A)
Ultimate Trip Current (A)
S-A73KE (ECD) 6/19/00, 10:52 AM1
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