DOWNLOAD Panasonic CS-MC90KA / CU-MC180KA / CS-MC90KA / CU-3MC200KA / CS-MC120KA / CU-MC240KA Service Manual ↓ Size: 3.39 MB | Pages: 94 in PDF or view online for FREE

Model
CS-MC90KA CU-MC180KA CS-MC90KA CU-3MC200KA CS-MC120KA CU-MC240KA
Pages
94
Size
3.39 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner / SPLIT TYPE
File
cs-mc90ka-cu-mc180ka-cs-mc90ka-cu-3mc200ka-cs-mc12.pdf
Date
PREV: Panasonic CS-MC71KE / CS-MC121KE / CU-MC191KE Service Manual

Panasonic CS-MC90KA / CU-MC180KA / CS-MC90KA / CU-3MC200KA / CS-MC120KA / CU-MC240KA Service Manual ▷ View online

1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Name
Sleep Mode Waiting
Sleep Mode Operation
Real Timer
Time Delay Safety Control
Forced Operation
Time Save Control
Anti-Freezing Control
Mode Jugdement
Soft Dry
Deodorizing Control
Comp. Reverse Rotation Detection
Comp./Fan motor Delay Timer
Intake Air Anti-Freezing Prevention
Outdoor Fan Delay Timer
Off
On
Cooling
Soft Dry
Remarks
SOFT DRY: 10 min. operation
Comp. ON
Comp. ON
Comp. OFF
Comp. OFF
Comp. ON
Comp. OFF
Comp. ON 5 min. and above
Time
1 hr.
8 hrs.
1 hr.
10 min.
1 min.
2 min. 58 sec.
60 sec.
7 min.
4 min.
20 sec.
6 min.
10 min.
40 sec
70 sec.
20 sec.
180 sec.
40 sec.
360 sec.
5 min.
2 min.
1.6 min.
16 min.
1.6 sec.
Before using the circuit diagram, read the following carefully.
* Indications for capacitor
a. Unit
µ
....
µ
F
P .... pF
b. Type
Not indicated ... ceramic capacitor
(S) .......... S series aluminium
electrolytic capacitor
(Z) .......... Z series aluminium
electrolytic capacitor
(SU) ....... SU series aluminium
electrolytic capacitor
(P) .......... P series polyester system
(SXE) ..... SXE series aluminium
electrolytic capacitor
(SRA)...... SRA series aluminium
electrolytic capacitor
(KME)......KME series aluminium
electrolytic capacitor
* Voltage measurement
Voltage has been measured with a digital
tester when the indoor fan is set at high fan
speed under the following conditions without
setting the timer.
Use them for servicing.
Voltage indication is in Red at all operations.
* Diode without indication .............. MA165
*
Circuit Diagram is subject to change without
notice for further development.
Discharge air
temperature
17
°
C
Pipe
temperature
15
°
C
Intake air
temperature
27
°
C
Temperature
setting
16
°
C
Cooling
Test mode
6 sec.
48 sec.
1 min.
10 sec.
1 sec.
0 sec.
0 sec.
42 sec.
0 sec.
0 sec.
36 sec.
60 sec.
4 sec.
7 sec.
2 sec.
18 sec.
4 sec.
36 sec.
30 sec.
0 sec.
0 sec.
9.6 sec.
0 sec.
(              )
When test point
Short-circuited
How to use electronic circuit diagram
* Indications for resistance
a. K .... k
Ω
M ... M
Ω
W ... watt
Not indicated .... 1/4W
b. Type
Not indicated .......... carbon resister
Tolerance
±
5%
.......... metal oxide resister
Tolerance
±
1%
TIMER TABLE
ELECTRONIC CIRCUIT DIAGRAM
•
REMOTE CONTROL
PRINT PATTERN
INDOOR UNIT PRINTED CIRCUIT BOARD
CS-MC120K
CS-MC120K
CS-MC120K
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R4
22K
R2
3.3K
R5
1/8 W
2.2
LED1
SE1003
R7
100K
R8
100K
R9
100K
X1
440kHz
C2
100p
C3
100p
(SL)
(SL)
C8
0.01µ
C9
0.01µ
+
–
C1
6.3V
(SRA)
R1
30K
R6
300
C6
1µ
REMOTE
SW1
(DOOR OPEN:OFF)
REMOTE CONTROLLER
A 
SW2
J-B
C4
33p
(NPO)
C5
18p
(NPO)
RESET
TEST
REMARKS
AT DELIVERY
J-B
A B
REMOTE CONTROL
NO.
0
1
2
3
J-B: THE O MARK INDICATES "JUMPER WIRE"
WIRELESS REMOTE CONTROL
SEG 7
SEG 8
SEG 9
SEG 10
SEG 11
SEG 12
SEG 13
SEG 14
SEG 15
SEG 16
SEG 17
SEG 18
SEG 19
SEG 20
SEG 21
SEG 22
SEG 29
SEG 28
SEG 27
SEG 26
SEG 25
SEG 24 SEG 23
SEG 30
SEG 31
SEG 32
RMO
BZ/42
23
22
21
20
10
11
12
13
03
02
01
00
SBT/33
SBD/32
SYNC/31
IRQ/30
RST
VSS
X1
X0
CWA74572
X2
32.768KHz
100µ
C7
0.01µ
     B
LIQUID CRYSTAL DISPLAY
RUBBER CONNECTOR
RUBBER CONNECTOR
CONTROLLER DOOR
ON/OFF
R03 x 2
SW2
SEG 6
SEG 5
SEG 4
SEG 3
SEG 2
SEG 1
SEG 0
COM 2
COM 1
COM 0
OSC 1
OSC 2
VICD 3
VICD 2
VICD 1
VDD
LED DRIVE
2SD602
Q1
Q2
2SD602
LED SWITCHING
MICROPROCESSOR
MN158453ABC
IC1
AUTOMATIC
AIRFLOW
DIRECTION
(CANCEL)
TEMP-
(TIME-)
AIRFLOW
DIRECTION
MANUAL
(SET)
TIMER
OPERATION
MODE
SELECT
(OFF TIMER)
TEMP+
(TIME+)
INDOOR
FAN SPEED
SELECT
(ON TIMER)
OPERATION
START/STOP
SLEEP 
MODE
OPERATION
R3
51
R10
220K
S/ MC90KA (CD)1
6/19/00, 9:57 AM
2
 
 
      
   
  
   
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
P20
P21
P22
P23
P24
P25
P26
P27
P30
P31
P32
P33
P34
P35
P36
P37
P40
P41
P42
P43
P44
P45
P46
P47
P50
P51
P52
P53
P54
P55
V  
SS
SS
V  
AV
AV
P17
P16
P15
P14
P13
P12
P11
P10
AV
P04
XT2
IC(V  )
X1
X2
V
P02
P01
P00
P67
P66
P65
P64
P63
P62
P61
P60
P57
P56
REF
DD
SS
PP
DO
1
2
3
4
5
6
7
8
DO
DI
SK
CS
GND
RS
R/B
V  
CC
R21
10K
A54BR9011B
IC4
J2
+
–
C10
10V
100
µ
µ
PD780001CW
IC1
RX
SW3
A
B
REMOTE CONTROL
NO.
RA1
10k X 3
J1
CWA
43036
L1
RX
SW3
REMOCON NO.
0
1
2
3
OFF
OFF
ON
ON
10k
10k
CN-TH1
(XH-4)
(YELLOW)
4
3
2
1
PIPE
TEMPERATURE
SENSOR (20k,3950)
INTAKE
AIR TEMPERATURE
SENSOR (15k,3950)
R7
20k
+
–
C8
16V
10
µ
10
µ
16V
C15
–
+
15k
R6
J5
R19
5.1k
R5
10k
R18
150k
X1 8MHz
(30pF X 2)
+
–
C4
50V
1
µ
R13
1k
R26
100k
b
e
c
ZD1
7.5EL1
R25
10k
RESET SIGNAL
2SC1740S
Q4
GENERATION
1
2
3
CN-RCV
+
–
C7
10V
100
µ
C14
0.01
µ
R12
1k
 
 
      
   
  
   
 
10k X 3
RA2
CN-DISP
1
2
3
4
(KR-3)
R16
5.1k
2
1
NH-2
CN-TEST
R10
1k
0.01
µ
C17
SW2
(PUMP DOWN SW)
R8
1k
3
2
1
(PH-3)
CN-RCV
1
2
3
4
8
7
6
5
IN+
IN-
CO
GND
Vcc1
OUT
Vcc2
F0
0.01
µ
0.01
µ
PD
PH302C
(SHIELD CASE)
137k
+
–
6.3V
47
µ
µ
PC2800AGR
IC
RECEIVER
1
2
3
4
CN-DISP
(RED)
(ORANGE)
(ORANGE)
ON/OFF
TIMER
SLEEP
INDICATOR
(PH-4)
(KR-4)
CN-STM
1
2
3
4
5
(KR-5)
(GREEN)
STEPPING MOTOR
(HORIZONTAL VANE)
a
b
c
d
13
4
12
5
11
6
7
10
µ
PA2003C
IC3
R4
330
R3
330
R2
330
L2
CWA43036
C11
0.1
µ
1
16
2
15
R30
6.2k
R29
2.2k
c
e
b
+
–
D2
ERA15-01
RY-C
5V
O
G
I
+
–
C2
10V
100
µ
REGULATOR
AM78M05
IC2
470
µ
25V
C5
–
+
I
G
O
12V
10k
10k
b
e
c
Q2
UN4211
+
–
C1
35V
2200
µ
C12
0.1
µ
R14
5.1k
+
–
~
~
AN78M12
IC5
DB1
S1VB10
CN-FUSE
1
2
3
2
1
(XH-3) BLUE
CN-T
(VH-2)
TEMPERATURE
FUSE
AC
(BLACK)
RY-C
T (BLK)
T (BLK)
FUSE
3.15A
ZNR1
ERCZ100K471
TRANSFORMER
FUSE 99
°
C
TEMPERATURE
AC 220V
SINGLE PHASE
50Hz
POWER
SUPPLY
SWITCH
(WHT)
OLP
(BLU)
AC
ELECTRONIC CIRCUIT
9
8
GND
CHECK PIN
MICRO COMPUTER
CWA40C237
CWA
00106
REGULATOR
DISPLAY
GND
AUTO OPERATION
TEST RUN
TIMER SHORTEN
STEPPING
MOTOR
DRIVE
SIGNAL
RESET
REMOTE- CONTROL
COMMAND INPUT
INPUT
POWER CLOCK
POWER
OUT
IN
8MHz
OSC
PIPE TEMP.
INTAKE AIR TEMP.
REMOTE- CONTROL
NO. DETECTION
RELAY DRIVE
SIGNAL
AUTO RESTART
102
°
C
STEPPING MOTOR DRIVE
RESET
BUZZER
–
+
C23
100
µ
10V
330
R9
1k
c
e
b
R11
11k
R31
6.2k
C3
0.01
µ
0.01
µ
C18
+
–
C22
10V
100
µ
+
–
C9
10V
100
µ
C24
0.01
µ
R20 24k
R24 43.2k
SIDE A : ON
SIDE B : OFF
100
µ
15V
C13
–
+
470
µ
35V
C16
14
3
e
f
R15
1k
BZ
R17
47
2W
RY-M
RY-H
SSR
10k
4.7k
c
b
e
Q3
UN421F
(ECQV)
P
L
(VH-3)
1 2 3
CN-C
ERCZ100K
ZNR2
471
SSR
A56Y2DEH-5
RY-H
1
2
3
4
5
6
7
RY-M
CR1
CWA59015
CN-FM
FAN
MOTOR
(GREEN)
RED
BLUE
YELLO
W
BR
O
W
N
ORANGE
BLA
CK
(GREEN)
(VH-1)
C-FM
400V
0.6
µ
g
BZ1
CWA48004
CWA01059
RESET SIGNAL
GENERATION
Q5
2SC1740S
P03
SSR DRIVE
BUZZER DRIVE
RELAY DRIVE
&
IC3
µ
PA2003C
+
-
0.022
µ
C19
R1
10k
(AUTO SW)
SW1
CWA01059
RY-C DRIVE
2SC1741A
Q1
RY-M
RY-H
RELAY
DRIVE
SIGNAL
RY-C
POWER CLOCK
GENERATOR
CAPACITOR
RED
BLU  
YEL
BLUE
CAPACITOR
BLUE
COMPRESSOR A
OLP
FAN MOTOR 
2
1
YEL
OUTDOOR UNIT
TERMINAL
YEL
YELLOW
BLUE
RED
MARK
COMPRESSOR
TERMINAL
1
2
TO INDOOR
UNIT B
RED
RED
BLUE
OLP
1
3
2
1
3
2
YEL
COMPRESSOR B
BLK  
BLK
WHT
BLK
ORG
GRY
BRN
BLU
BLK
RELAY
RELAY
WHT
RESISTOR
RESISTOR
BLU
YEL
BRN
BLK
YEL
YEL
BLU
YEL/GRN
YEL
/GRN
12
14
16
15
13
11
A
B
B
A
15
16
14
13
12
11
1
2
ECQV
Fig.1
Fig.2
0
2.5
2.5
5
2.5
5
5
0
0
0
5
0
5
5 
5
5
5          
5
0
5
5
AC
14
Fig.2
0
5
5
19
5
12
12
CU-MC180K
CU-MC180K
ELECTRONIC CIRCUIT DIAGRAM
•
CU-MC180K/CS-MC90K SERIES
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
9
10
11
12
13
14
Fig. 2
Fig. 1
CU-MC180K
0
10
20
30
40
50
60
70
0
10
20
30
40
50
-10
Sensor (Thermistor)
Characteristics
Resistance (k   )
Temperature (
°
C)
1
2
Intake Air Temp. Sensor
Pipe Temp. Sensor
1
2
Intake Air/
Temperature (
°
C)
Voltage (V)
IC1
56
Pin
Intake Air Temp. Data
3
4
2
1
0
10
20
30
40
50
60
70
Pipe Temp. Data
Pin
57
IC1
Pipe Temp. Data
S/ MC90KA (CD)2
6/19/00, 10:05 AM
1
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
9
10
11
12
13
14
Name
Sleep Mode Waiting
Sleep Mode Operation
Real Timer
Time Delay Safety Control
Forced Operation
Time Save Control
Anti-Freezing Control
Mode Jugdement
Soft Dry
Deodorizing Control
Comp. Reverse Rotation Detection
Comp./Fan motor Delay Timer
Intake Air Anti-Freezing Prevention
Outdoor Fan Delay Timer
Off
On
Cooling
Soft Dry
Remarks
SOFT DRY: 10 min. operation
Comp. ON
Comp. ON
Comp. OFF
Comp. OFF
Comp. ON
Comp. OFF
Comp. ON 5 min. and above
Time
1 hr.
8 hrs.
1 hr.
10 min.
1 min.
2 min. 58 sec.
60 sec.
7 min.
4 min.
20 sec.
6 min.
10 min.
40 sec
70 sec.
20 sec.
180 sec.
40 sec.
360 sec.
5 min.
2 min.
1.6 min.
16 min.
1.6 sec.
Before using the circuit diagram, read the following carefully.
* Indications for capacitor
a. Unit
µ
....
µ
F
P .... pF
b. Type
Not indicated ... ceramic capacitor
(S) .......... S series aluminium
electrolytic capacitor
(Z) .......... Z series aluminium
electrolytic capacitor
(SU) ....... SU series aluminium
electrolytic capacitor
(P) .......... P series polyester system
(SXE) ..... SXE series aluminium
electrolytic capacitor
(SRA)...... SRA series aluminium
electrolytic capacitor
(KME)......KME series aluminium
electrolytic capacitor
* Voltage measurement
Voltage has been measured with a digital
tester when the indoor fan is set at high fan
speed under the following conditions without
setting the timer.
Use them for servicing.
Voltage indication is in Red at all operations.
* Diode without indication .............. MA165
*
Circuit Diagram is subject to change without
notice for further development.
Discharge air
temperature
17
°
C
Pipe
temperature
15
°
C
Intake air
temperature
27
°
C
Temperature
setting
16
°
C
Cooling
Test mode
6 sec.
48 sec.
1 min.
10 sec.
1 sec.
0 sec.
0 sec.
42 sec.
0 sec.
0 sec.
36 sec.
60 sec.
4 sec.
7 sec.
2 sec.
18 sec.
4 sec.
36 sec.
30 sec.
0 sec.
0 sec.
9.6 sec.
0 sec.
(              )
When test point
Short-circuited
How to use electronic circuit diagram
* Indications for resistance
a. K .... k
Ω
M ... M
Ω
W ... watt
Not indicated .... 1/4W
b. Type
Not indicated .......... carbon resister
Tolerance
±
5%
.......... metal oxide resister
Tolerance
±
1%
TIMER TABLE
ELECTRONIC CIRCUIT DIAGRAM
•
REMOTE CONTROL
PRINT PATTERN
INDOOR UNIT PRINTED CIRCUIT BOARD
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R4
22K
R2
3.3K
R5
1/8 W
2.2
LED1
SE1003
R7
100K
R8
100K
R9
100K
X1
440kHz
C2
100p
C3
100p
(SL)
(SL)
C8
0.01µ
C9
0.01µ
+
–
C1
6.3V
(SRA)
R1
30K
R6
300
C6
1µ
REMOTE
SW1
(DOOR OPEN:OFF)
REMOTE CONTROLLER
A 
SW2
J-B
C4
33p
(NPO)
C5
18p
(NPO)
RESET
TEST
REMARKS
AT DELIVERY
J-B
A B
REMOTE CONTROL
NO.
0
1
2
3
J-B: THE O MARK INDICATES "JUMPER WIRE"
WIRELESS REMOTE CONTROL
SEG 7
SEG 8
SEG 9
SEG 10
SEG 11
SEG 12
SEG 13
SEG 14
SEG 15
SEG 16
SEG 17
SEG 18
SEG 19
SEG 20
SEG 21
SEG 22
SEG 29
SEG 28
SEG 27
SEG 26
SEG 25
SEG 24 SEG 23
SEG 30
SEG 31
SEG 32
RMO
BZ/42
23
22
21
20
10
11
12
13
03
02
01
00
SBT/33
SBD/32
SYNC/31
IRQ/30
RST
VSS
X1
X0
CWA74572
X2
32.768KHz
100µ
C7
0.01µ
     B
LIQUID CRYSTAL DISPLAY
RUBBER CONNECTOR
RUBBER CONNECTOR
CONTROLLER DOOR
ON/OFF
R03 x 2
SW2
SEG 6
SEG 5
SEG 4
SEG 3
SEG 2
SEG 1
SEG 0
COM 2
COM 1
COM 0
OSC 1
OSC 2
VICD 3
VICD 2
VICD 1
VDD
LED DRIVE
2SD602
Q1
Q2
2SD602
LED SWITCHING
MICROPROCESSOR
MN158453ABC
IC1
AUTOMATIC
AIRFLOW
DIRECTION
(CANCEL)
TEMP-
(TIME-)
AIRFLOW
DIRECTION
MANUAL
(SET)
TIMER
OPERATION
MODE
SELECT
(OFF TIMER)
TEMP+
(TIME+)
INDOOR
FAN SPEED
SELECT
(ON TIMER)
OPERATION
START/STOP
SLEEP 
MODE
OPERATION
R3
51
R10
220K
CU-MC180K
CU-MC180K
CU-MC180K
S/ MC90KA (CD)2
6/19/00, 10:05 AM
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
P20
P21
P22
P23
P24
P25
P26
P27
P30
P31
P32
P33
P34
P35
P36
P37
P40
P41
P42
P43
P44
P45
P46
P47
P50
P51
P52
P53
P54
P55
V  
SS
SS
V  
AV
AV
P17
P16
P15
P14
P13
P12
P11
P10
AV
P04
XT2
IC(V  )
X1
X2
V
P02
P01
P00
P67
P66
P65
P64
P63
P62
P61
P60
P57
P56
REF
DD
SS
PP
DO
1
2
3
4
5
6
7
8
DO
DI
SK
CS
GND
RS
R/B
V  
CC
R21
10K
A54BR9011B
IC4
J2
+
–
C10
10V
100
µ
µ
PD780001CW
IC1
RX
SW3
A
B
REMOTE CONTROL
NO.
RA1
10k X 3
J1
CWA
43036
L1
RX
SW3
REMOCON NO.
0
1
2
3
OFF
OFF
ON
ON
10k
10k
CN-TH1
(XH-4)
(YELLOW)
4
3
2
1
PIPE
TEMPERATURE
SENSOR (20k,3950)
INTAKE
AIR TEMPERATURE
SENSOR (15k,3950)
R7
20k
+
–
C8
16V
10
µ
10
µ
16V
C15
–
+
15k
R6
J5
R19
5.1k
R5
10k
R18
150k
X1 8MHz
(30pF X 2)
+
–
C4
50V
1
µ
R13
1k
R26
100k
b
e
c
ZD1
7.5EL1
R25
10k
RESET SIGNAL
2SC1740S
Q4
GENERATION
1
2
3
CN-RCV
+
–
C7
10V
100
µ
C14
0.01
µ
R12
1k
 
 
      
   
  
   
 
10k X 3
RA2
CN-DISP
1
2
3
4
(KR-3)
R16
5.1k
2
1
NH-2
CN-TEST
R10
1k
0.01
µ
C17
SW2
(PUMP DOWN SW)
R8
1k
3
2
1
(PH-3)
CN-RCV
1
2
3
4
8
7
6
5
IN+
IN-
CO
GND
Vcc1
OUT
Vcc2
F0
0.01
µ
0.01
µ
PD
PH302C
(SHIELD CASE)
137k
 
+
–
6.3V
47
µ
   
µ
PC2800AGR
IC
RECEIVER
1
2
3
4
CN-DISP
(RED)
(ORANGE)
(ORANGE)
ON/OFF
TIMER
SLEEP
INDICATOR
(PH-4)
(KR-4)
CN-STM
1
2
3
4
5
(KR-5)
(GREEN)
 
STEPPING MOTOR
(HORIZONTAL VANE)
a
b
c
d
13
4
12
5
11
6
7
10
µ
PA2003C
IC3
R4
330
R3
330
R2
330
L2
CWA43036
C11
0.1
µ
1
16
2
15
R30
6.2k
R29
2.2k
c
e
b
+
–
D2
ERA15-01
RY-C
5V
O
G
I
+
–
C2
10V
100
µ
REGULATOR
AM78M05
IC2
470
µ
25V
C5
–
+
I
G
O
12V
10k
10k
b
e
c
Q2
UN4211
+
–
C1
35V
2200
µ
C12
0.1
µ
R14
5.1k
+
–
~
~
AN78M12
IC5
DB1
S1VB10
CN-FUSE
1
2
3
2
1
(XH-3) BLUE
CN-T
(VH-2)
TEMPERATURE
FUSE
AC
(BLACK)
RY-C
T (BLK)
T
 (BLK)
FUSE
3.15A
ZNR1
ERCZ100K471
TRANSFORMER
FUSE 99
°
C
TEMPERATURE
AC 220V
SINGLE PHASE
50Hz
POWER
SUPPLY
SWITCH
(WHT)
OLP
(BLU)
AC
ELECTRONIC CIRCUIT
9
8
GND
CHECK PIN
MICRO COMPUTER
CWA40C237
CWA
00106
REGULATOR
DISPLAY
GND
AUTO OPERATION
TEST RUN
TIMER SHORTEN
STEPPING
MOTOR
DRIVE
SIGNAL
RESET
REMOTE- CONTROL
COMMAND INPUT
INPUT
POWER CLOCK
POWER
OUT
IN
8MHz
OSC
PIPE TEMP.
INTAKE AIR TEMP.
REMOTE- CONTROL
NO. DETECTION
RELAY DRIVE
SIGNAL
AUTO RESTART
102
°
C
STEPPING MOTOR DRIVE
RESET
BUZZER
–
+
C23
100
µ
10V
330
R9
1k
c
e
b
R11
11k
R31
6.2k
C3
0.01
µ
0.01
µ
C18
+
–
C22
10V
100
µ
+
–
C9
10V
100
µ
C24
0.01
µ
R20 24k
R24 43.2k
SIDE A : ON
SIDE B : OFF
100
µ
15V
C13
–
+
470
µ
35V
C16
14
3
e
f
R15
1k
BZ
R17
47
2W
RY-M
RY-H
SSR
10k
4.7k
c
b
e
Q3
UN421F
(ECQV)
P
L
(VH-3)
1 2 3
CN-C
ERCZ100K
ZNR2
471
SSR
A56Y2DEH-5
RY-H
1
2
3
4
5
6
7
RY-M
CR1
CWA59015
CN-FM
FAN
MOTOR
(GREEN)
RED
BLUE
YELLOW
BROWN
ORANGE
BLACK
(GREEN)
(VH-1)
C-FM
400V
0.6
µ
g
BZ1
CWA48004
CWA01059
RESET SIGNAL
GENERATION
Q5
2SC1740S
P03
SSR DRIVE
BUZZER DRIVE
RELAY DRIVE
&
IC3
µ
PA2003C
+
-
0.022
µ
C19
R1
10k
(AUTO SW)
SW1
CWA01059
RY-C DRIVE
2SC1741A
Q1
RY-M
RY-H
RELAY
DRIVE
SIGNAL
RY-C
POWER CLOCK
GENERATOR
OUTDOOR UNIT
TERMINAL
YELLOW
BLUE
RED
MARK
COMPRESSOR
TERMINAL
UNIT A1
INDOOR
TO
TO
INDOOR
UNIT A2
A1
A1
A2
A2
B
B
AC
(RED)
(RED)
AC
(BLUE)
AC
(BLUE)
AC
(YEL)
AC
(YEL)
AC
R2
47k 2W
R3
47k 2W
47k 2W
R5
47k 2W
R4
R6
47k 2W
47k 2W
R1
PC1
TLP620-1G4
TLP620-1G4
PC2
TLP620-1G4
PC3
1
2
3
4
1
2
3
4
1
2
3
4
R7
10k
+
–
C9
10
µ
16V
16V
10
µ
C10
–
+
10k
R9
R11
10k
+
–
C11
10
µ
16V
R8
1k
R10
1k
R12
1k
J2
R17
1k
R18
1k
NH-2
TEST
SW1
AUTO
MANUAL
10k x 5
RA1
R15
150k
X1
4KHz
A52C401828CP
IC1
RESET
IRQ
PA 7
PA 6
PA 5
PA 4
PA 3
PA 2
PA 1
PA 0
PB 5/SDO
PB 6/SDI
PB 7/SCK
Vss
Vdd
OSC 1
OSC 2
TCAP
TCMP
PD 5
PC 0
PC 1
PC 2
PC 3/AD 3
PC 4/AD 2
PC 5
PC 6/AD 0
R14
10k
Q5
DTC113ZS
DTC113ZS
Q4
D10
D9
RY-VA1
RY-VA2
RY-CA
D7
RA15-01
RA15-01
D8
RY-CB
R19
2.2k
R21
2.2k
R22
10k
R20
10k
Q1
2SC1741R
2SC1741R
Q2
+
–
C4
470
µ
50V
35V
470
µ
C5
–
+
R23
82
2W
2W
82
R24
Q3
DTC113ZS
RY-FM
D11
Q6
2SC1740S
2SC1740S
Q7
R26
6.2k
R25
6.8k
C6
0.01
µ
7.5EL1
ZD1
R27
10k
R28
100k
R16
1k
R13
10k
5V
+
–
C7
1
µ
50V
+
–
C3
100
µ
16V
78N05
25V
470
µ
C2
–
+
35V
2200
µ
C1
–
+
78M12H
IC3
12V
+
–
~
~
DB101
S1VB20
RED
VH-2
CN-T
RED
T(BLK)
T(BLK)
TRANSFORMER
ZNR1
511
FUSE
3.15A
250V
RY-CA
RY-CB
P
L
P
L
AC(BLU)
RY-FM
CR2
0.033
µ
120
RY-VA2
RY-VA1
FM(BLU)
FM(YEL)
CN-V
VH7-4
(GRN)
L
N
CAPACITOR
RED
OLP
25
µ
F  440V
BLU
YEL
YEL
COMPRESSOR B
COMPRESSOR A
YEL
OLP
WHT
RED
BLU
CAPACITOR
25
µ
F  440V
COMP-B
(YEL)
(WHT)
COMP-A
AC(WHT)
WHT
BLU
BLU
A
B
2-WAY VALVE
RED
BLU
CAPACITOR
3
µ
F  450V
YEL
FAN
BLU
BLU
MOTOR
CONTROL DEVICE
ELECTRONIC
1k
10k
10k
1k
10k
1k
GND
50Hz
AC 220V
TO POWER SOURCE
I
G
O
I
G
O
IC2
1
2
1
5
7
3
120
0.033
µ
CR3
CR1
0.033
µ
120
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
2
1
1
2
1
2
1
2
Vcc
4KHz
OSC
GROUND
/PD 7
RESET
FM
RELAY
RELAY
COMPRESS A
A1 UNIT
OPERATION
OPERATION
A2 UNIT
VALVE B
RELAY
RELAY
VALVE A
MANUAL
AUTO
/AD 1
SWITCH
TEST
PC 7
/VREFH
B UNIT
OPERATION
COMPRESS B
RELAY
ECQV
Fig.1
 
 
      
   
  
   
 
 
   
 
5
12
Fig.2
Fig.2
5
5
0
0
2.5
2.5
5
2.5
5
0
5
0
5
0
5
5
5          
5
5 
5
5
0
12
19
AC
14
5
0
5
5
0
5
0
5
2.5
2.5
0
0
5
CU-3MC200K
CU-3MC200K
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Fig. 2
Fig. 1
0
10
20
30
40
50
60
70
0
10
20
30
40
50
-10
Sensor (Thermistor)
Characteristics
Resistance (k   )
Temperature (
°
C)
1
2
Intake Air Temp. Sensor
Pipe Temp. Sensor
1
2
Intake Air/
Temperature (
°
C)
Voltage (V)
IC1
56
Pin
Intake Air Temp. Data
3
4
2
1
0
10
20
30
40
50
60
70
Pipe Temp. Data
Pin
57
IC1
Pipe Temp. Data
CU-3MC200K
CU-3MC200K
ELECTRONIC CIRCUIT DIAGRAM
•
CU-3MC200K/CS-MC90K SERIES
S/ MC90KA (CD)3
6/19/00, 10:06 AM
1
Page of 94
Display

Click on the first or last page to see other CS-MC90KA / CU-MC180KA / CS-MC90KA / CU-3MC200KA / CS-MC120KA / CU-MC240KA service manuals if exist.

RANDOM: