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Model
CS-UE7RKD CS-UE9RKD CS-UE12RKD CS-UE18RKD CU-UE7RKD CU-UE9RKD CU-UE12RKD CU-UE18RKD
Pages
127
Size
12.57 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner / AIR CONDITIONER
File
cs-ue7rkd-cs-ue9rkd-cs-ue12rkd-cs-ue18rkd-cu-ue7rk.pdf
Date
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Panasonic CS-UE7RKD / CS-UE9RKD / CS-UE12RKD / CS-UE18RKD / CU-UE7RKD / CU-UE9RKD / CU-UE12RKD / CU-UE18RKD Service Manual ▷ View online

29 
8.1.3 
CS-UE18RKD 
 
FAN MOTOR
CN-FM (WHT)
Y
7
4
1
B
W
BL
R
M
FUSE301
T3.15A L250V
RY
-P
WR
RY-PWR2
Y/G
Y/G
TEMP.
FUSE
102°C (3A)
TEMP.
FUSE
102°C (3A)
EVAPORATOR
1
2
3
AC303
(WHT)
AC304
(RED)
G301
(GRN)
GROUNDING
TERMINAL
L
R
W
G
P
BL
BR
TERMINAL
BOARD
GROUNDING
TERMINAL
L
N
S
ING
L
E
 P
HA
S
E
POW
E
R
 SU
PP
LY
1
ø
 220-
23
0V 50H
z
ELECTRONIC CONTROLLER
(MAIN)
LEFT RIGHT
LOUVER MOTOR
CN-STM2
(YLW)
BR
1
5
1
5
R
O
M
Y
P
UP DOWN
LOUVER MOTOR
CN-STM1
(WHT)
BR
1
5
1
5
R
O
M
Y
P
REMARKS
B : BLUE
P: PINK
BR: BROWN
O: ORANGE
BL: BLACK
Y: YELLOW
W: WHITE
G: GREEN
R: RED
Y/G: YELLOW/GREEN
CN-DISP (YLW)
CN-DISP
(WHT)
ELECTRONIC CONTROLLER
(DISPLAY & RECEIVER)
1
7
11
1
W
W
W
W
W
W
W
COMMUNICATION
CIRCUIT
TO
OUTDOOR
UNIT
PIPING TEMP. SENSOR
(THERMISTOR)
SUCTION TEMP. SENSOR
(THERMISTOR)
4
1
CN-TH
(RED)
t
0
t
0
CN-RMT
(WHT)
4
1
REMOTE
CONTROLLER
SW01
NOISE
FILTER
CIRCUIT
RECTIFICATION
CIRCUIT
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
30 
8.2 Outdoor 
Unit 
8.2.1 
CU-UE7RKD  CU-UE9RKD  CU-UE12RKD 
 
SINGLE PHASE
POWER SUPPLY
OUTDOOR AIR TEMP. SENSOR
(THERMISTOR)
PIPING TEMP. SENSOR
(THERMISTOR)
COMP. TEMPERATURE SENSOR
(THERMISTOR)
U (RED)
RED
P
FUSE103
T3.15A L250V
GRY
GRY
BLK
REACTOR
NOISE FILTER
CIRCUIT
COMMUNICATION
CIRCUIT
PFC
CIRCUIT
FAN MOTOR
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
SWITCHING POWER
SUPPLY CIRCUIT
TERMINAL
BOARD
2
(WHITE)
1
(BLACK)
L
N
3
(RED)
RED
GRN
GRN
FUSE 101
(20A 250V)
FUSE102
T3.15A L250V
FUSE104
(15A 250V)
BLK
WH
T
DATA
(RED)
AC-BLK
(BLK)
AC – WHT
(WHT)
FG 1
(GRN)
FG 2
(GRN)
M
ELECTRONIC CONTROLLER
FM1 (BLU)
FM2 (RED)
FM3 (YLW)
BLU
RED
YLW
1
FAN MOTOR
RAT1
(GRY)
RAT2
(GRY)
N
U
V
W
BLU
YLW
YLW
YLW
V (BLU)
W (YLW)
COMPRESSOR
MS
3
CN–TANK
(WHT)
CN–TH
(WHT)
1
2
3
4
1
3
TO INDOOR UNIT
~
~
TRADEMARK
COMPRESSOR TERMINAL
WHT
G
R
O
U
ND
IN
G
T
E
R
M
INA
L
YLW/GRN
ELECTRO-MAGNETIC
COIL
(4-WAYS VALVE)
CN–HOT
(WHT)
1
THE PARENTHESIZED
LETTER IS INDICATED
ON TERMINAL COVER
BLUE
(BLU)
OR (R)
YELLOW
(YEL) OR (C)
RED
(RED)
OR (S)
3
REMARKS
BLK : BLACK
BLU : BLUE
GRY : GRAY
GRN : GREEN
RED : RED
WHT : WHITE
YLW : YELLOW
YLW/GRN : YELLOW/GREEN
 
 
 
Resistance of Outdoor Fan Motor Windings 
 
 
Resistance of Compressor Windings 
MODEL 
CU-UE7/9RKD 
CU-UE12RKD 
 
MODEL 
CU-UE7/9RKD 
CONNECTION 
CWA951720 
CWA951699 
 
CONNECTION 
5RS092XCD21 
YELLOW -BLUE 
334 Ω 
264 Ω 
 
U-V 
1.152 Ω 
YELLOW-RED 
273 Ω 
250 Ω 
 
U-W 
1.152 Ω 
Note: Resistance at 20°C of ambient temperature. 
 
V-W 
1.152 Ω 
 
 
Note: Resistance at 20°C of ambient temperature. 
 
Resistance of Compressor Windings 
 
 
MODEL 
CU-UE12RKD 
 
 
 
CONNECTION 
5RS102XBC21 
 
 
 
U-V 
0.858 Ω 
 
 
 
U-W 
0.858 Ω 
 
 
 
V-W 
0.858 Ω 
 
 
 
Note: Resistance at 20°C of ambient temperature. 
 
 
 
 
 
 
 
 
 
 
 
 
 
31 
8.2.2 
CU-UE18RKD  
 
TERMINAL
BOARD
TO INDOOR UNIT
COMPRESSOR
OUTDOOR AIR TEMP.
SENSOR
(THERMISTOR)
PIPING TEMP. SENSOR
(THERMISTOR)
1
4
t
0
t
0
AC-WHT
(WHT)
CN-MTR1
(WHT)
CN-MTR2
(WHT)
IC19
Q1
FG1
(GRN)
FG2
(GRN)
GRN
BLK
WH
T
GRN
AC-BLK
(BLK)
DATA
(RED)
RED
GRY
RAT2
(GRY)
GRY
RAT1
(GRY)
REACTOR
RED
BLU
YLW
U (RED)
FUSE101
T3.15A L250V
V (BLU)
W (YLW)
U
V
W
3
5
5
1
10
14
16
1
COMPRESSOR TEMP.
SENSOR (THERMISTOR)
1
3
CN-TANK
(WHT)
t
0
ELECTRO-MAGNETIC
COIL (4-WAYS VALVE)
1
3
CN-HOT
(WHT)
CN-TH1
(WHT)
P
N
SWITCHING
POWER
SUPPLY CIRCUIT
FUSE103
(20A 250V)
3
2
1
COMMUNICATION
CIRCUIT
PFC
CIRCUIT
W
U
V
FAN MOTOR
ELECTRONIC CONTROLLER
MS
3 ~
NOISE
FILTER
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
RED (RED)
TRADE MARK
BLUE (BLU)
YELLOW (YLW)
COMP. TERMINAL
ELECTRO-MAGNETIC
COIL
(EXPANSION VALVE)
CN-STM
(WHT)
1
6
M
REMARKS
BLACK: (BLK)
RED: (RED)
WHITE: (WHT)
BROWN: (BRW)
YELLOW: (YLW)
GREEN: (GRN)
ORANGE: (ORG) GRAY: (GRY)
BLUE: (BLU)
YELLOW/GREEN: (YLW/GRN)
MS
3 ~
FUSE104
T3.15A L250V
 
 
Resistance of Compressor Windings 
 
 
MODEL 
CU-UE18RKD 
 
 
 
CONNECTION 
5RD132XBE21 
 
 
 
U-V 
1.897 Ω 
 
 
 
U-W 
1.907 Ω 
 
 
 
V-W 
1.882 Ω 
 
 
 
Note: Resistance at 20°C of ambient temperature. 
 
 
 
 
 
 
 
 
 
 
 
 
 
32 
9. Electronic Circuit Diagram 
9.1 Indoor 
Unit 
9.1.1 
CS-UE7RKD  CS-UE9RKD 
 
ELECTRONIC
CONTROLLER
(DISPLAY & RECEIVER)
POWER
(green)
TIMER
(orange)
LED201
LED202
GND-A
5V_
1
2
3
Vout
Vcc
GND
GND
+
GND
5
4
IC1
C201
47µ
6.3V
C202
0.01µ
16V
70
60
50
R
esi
st
an
ce
(k
Ω
)
Temperature (ºC)
Sensor (Thermistor)
Characteristics
40
30
20
10
-10
0
10
20
30
40
50
0
Pipe Temp. Sensor
Intake Air Temp. Sensor
1
1
2
2
5V
4 3 2 1
210
209
208
207
*C49
*C45
*R37
*R54
5V
*C48
*C47
5V
R85
5.1k
*CN-DISP
YELLOW
7
2
3
4
5
6
CN-DISP
WHITE
5
4
7
6
3
2
1
P.C.B
PCB201
16
17
R201 470
1/10W 5%
R202 2k
1/10W 5%
157
159
155
11
10
9
8
7
*R89
*CN-RMT
9
8
11
10
12
1
5V
C3
0.1µ
16V
SW01
POWERFUL
(orange)
QUIET
(orange)
C25
1µ
16V
R62
15.0k
C27
1µ
16V
R61
20.0k
SUCTION
TEMP. SENSOR
(THERMISTOR)
(15k, 3950)
PIPING
TEMP. SENSOR
(THERMISTOR)
(20k, 3950)
4
3
2
1
t
0
169
170
5V
*CN-TH
RED
CN-FB
WHT
t
0
REMOTE CONTROLLER
UP DOWN
LOUVER MOTOR
CN-STM1
WHITE
1
5
4
3
2
12V
74
144
70
64
61
M
12V
1
2
3
4
5
6
7
16
9
8
15
14
13
12
11
10
IC03
R47 1/2W
68    5%
143 R46 1/2W
68    5%
GND
VCC
MODE
TEMP
OFF/ON
TIMER
SET
CANCEL
ON
OFF
1
2
3
AIR SWING
FAN SPEED
SET
CHECK CLOCK
RESET
AC
RC
FAN
SPEED
AIR
SWING
AUTO
HEAT
COOL
DRY
POW ERFUL /
QUIET
Y/G
EVAPORATOR
FUSE301
T3.15A L250V
TEMP. FUSE
102°C (3A)
1
2
3
AC303
(WHT)
AC306
(BLK)
AC304
(RED)
G301
(GRN)
R
W
G
BL
TERMINAL
BOARD
ELECTRONIC CONTROLLER
(MAIN)
NOISE FILTER
CIRCUIT
RECTIFICATION
CIRCUIT
COMMUNICATION
CIRCUIT
TO
 O
UTDO
O
R
 U
NI
T
GROUNDING
TERMINAL
FAN MOTOR
CN-PCFM
(WHT)
Y
5
1
R
B
BR
O
W
M
1~
3
FAN MOTOR
CIRCUIT
5V
*C33
3
1
2
*C30
5V
*R41
 
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