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29
8.2 Outdoor
Unit
8.2.1 CU-HE7QKD
TERMINAL
BOARD
TO INDOOR UNIT
COMPRESSOR
OUTDOOR AIR TEMP.
SENSOR (THERMISTOR)
SENSOR (THERMISTOR)
PIPING TEMP. SENSOR
(THERMISTOR)
(THERMISTOR)
1
4
t
0
t
0
AC-WHT
(WHT)
CN-MTR1
(WHT)
CN-MTR2
(WHT)
IC19
Q1
FG1
(GRN)
FG2
(GRN)
GRN
BLK
WHT
GRN
AC-BLK
(BLK)
DATA
(RED)
RED
GRY
RAT2
(GRY)
GRY
YLW
YLW
RAT1
(GRY)
REACTOR
RED
BLU
YLW
U (RED)
FUSE101
T3.15A L250V
V (BLU)
W (YLW)
U
V
V
W
3
5
5
5
1
10
14
16
16
1
COMP. TEMPERATURE
SENSOR (THERMISTOR)
SENSOR (THERMISTOR)
1
3
3
CN-TANK
(WHT)
t
0
ELECTRO-MAGNETIC
COIL (4-WAYS VALVE)
COIL (4-WAYS VALVE)
1
3
3
CN-HOT
(WHT)
CN-TH1
(WHT)
P
N
SWITCHING
POWER
SUPPLY CIRCUIT
FUSE104
T3.15A L250V
FUSE103
(20A 250V)
3
2
S1
COMMUNICATION
CIRCUIT
W
U
V
V
FAN MOTOR
ELECTRONIC CONTROLLER
MS
3 ~
RED
TRADE MARK
BLUE
YELLOW
COMP. TERMINAL
ELECTRO-MAGNETIC
COIL
(EXPANSION VALVE)
COIL
(EXPANSION VALVE)
CN-STM
(WHT)
1
6
M
REMARKS
BLUE: (BLU) BLACK: (BLK) WHITE: (WHT) RED: (RED)
YELLOW: (YLW) GRAY: (GRY) GREEN: (GRN) ORANGE: (ORG)
BLUE: (BLU) BLACK: (BLK) WHITE: (WHT) RED: (RED)
YELLOW: (YLW) GRAY: (GRY) GREEN: (GRN) ORANGE: (ORG)
MS
3 ~
RECTIFICATION
CIRCUIT
NOISE
FILTER
CIRCUIT
PFC
CIRCUIT
RECTIFICATION
CIRCUIT
Resistance of Compressor Windings
MODEL CU-HE7QKD
CONNECTION 5RS092XCD21
U-V 1.152
Ω
U-W 1.152
Ω
V-W 1.152
Ω
Note: Resistance at 20°C of ambient temperature.
30
8.2.2
CU-HE9QKE CU-HE12QKD
TERMINAL
BOARD
TO INDOOR UNIT
COMPRESSOR
OUTDOOR AIR TEMP.
SENSOR
(THERMISTOR)
SENSOR
(THERMISTOR)
PIPING TEMP. SENSOR
(THERMISTOR)
(THERMISTOR)
1
2
3
4
2
3
4
t
0
t
0
AC-WHT
(WHT)
CN-MTR1
(WHT)
CN-MTR2
(WHT)
IC19
Q1
FG1
(GRN)
FG2
(GRN)
GRN
BL
K
WHT
GRN
AC-BLK
(BLK)
DATA
(RED)
RED
GRY
RAT2
(GRY)
GRY
YLW
YLW
RAT1
(GRY)
REACTOR
RED
BLU
YLW
(RED)
FUSE103
T3.15A L250V
(BLU)
(YLW)
U
V
V
W
3
5
5
5
1
10
14
16
16
1
COMP. TEMPERATURE
SENSOR (THERMISTOR)
SENSOR (THERMISTOR)
1
3
3
CN-TANK
(WHT)
t
0
ELECTRO-MAGNETIC
COIL (4-WAYS VALVE)
COIL (4-WAYS VALVE)
1
3
3
CN-HOT
(WHT)
CN-TH
(WHT)
P
N
SWITCHING
POWER
SUPPLY CIRCUIT
FUSE102
T3.15A L250V
FUSE101
(20A 250V)
3
(RED)
2
(WHITE)
S1
(BLACK)
COMMUNICATION
CIRCUIT
PFC
CIRCUIT
W
U
V
V
FAN MOTOR
ELECTRONIC CONTROLLER
MS
3 ~
FUSE104
(15A 250V)
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) WHITE: (WHT) YELLOW: (YLW) ORANGE: (ORG)
YELLOW/GREEN: (YLW/GRN) BLUE: (BLU) RED: (R) BROWN: (BRW)
BLACK: (BLK) WHITE: (WHT) YELLOW: (YLW) ORANGE: (ORG)
YELLOW/GREEN: (YLW/GRN) BLUE: (BLU) RED: (R) BROWN: (BRW)
MS
Resistance of Compressor Windings
Resistance of Compressor Windings
MODEL CU-HE9QKD
MODEL CU-HE12QKD
CONNECTION 5RS102XBC21
CONNECTION 5RS102XNA21
U-V 0.858
Ω U-V
1.211
Ω
U-W 0.858
Ω U-W
1.211
Ω
V-W 0.858
Ω V-W
1.211
Ω
Note: Resistance at 20°C of ambient temperature.
Note: Resistance at 20°C of ambient temperature.
31
8.2.3 CU-HE18QKD
TO INDOOR UNIT
AC-WHT
(WHITE)
CN-DCFM
(WHITE)
LJP117
(GREEN)
FG01
(GREEN)
GRN
YLW/GRN
CONTROL
BOARD
CONTROL
BOARD
CONTROL
BOARD
CABINET
SIDE
PLATE
BLK
WHT
GRN
AC-BLK
(BLACK)
COM3
(RED)
RED
GRY
L2-I
(GRAY)
GRY
L2-O
(GRAY)
REACTOR
OUTDOOR AIR
TEMP. SENSOR
(THERMISTOR)
TEMP. SENSOR
(THERMISTOR)
PIPING TEMP.
SENSOR
(THERMISTOR)
SENSOR
(THERMISTOR)
1
4
t
0
t
0
CN-TH1
(WHITE)
BLU
COMP. TEMP.
SENSOR
(THERMISTOR)
SENSOR
(THERMISTOR)
1
3
CN-TANK
(WHITE)
t
0
ELECTRO-MAGNETIC COIL
(4-WAYS VALVE)
(4-WAYS VALVE)
1
3
CN-HOT
(BLUE)
FUSE2
(T3.15A L250V)
Q10
FUSE1
(T2.5A L250V)
FUSE3
(20A 250V)
3
(RED)
2
(WHT)
FAN MOTOR
ELECTRONIC CONTROLLER
ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
CN-EV
(WHITE)
1
6
M
7
1
M
COMMUNICATION
CIRCUIT
NOISE FILTER
CIRCUIT
TERMINAL
BOARD
RECTIFICATION
CIRCUIT
COMP. TERMINAL
RED
TRADE MARK
BLUE
YELLOW
SWITCHING
POWER SUPPLY
CIRCUIT
RED
BLK
WHT
BLU
YLW
(RED)
(BLU)
(YLW)
U
V
V
W
P
N
RECTIFICATION
CIRCUIT
PFC
CIRCUIT
RY
-H
O
T
S1
(BLK)
COMPRESSOR
RED
BLU
YLW
RED
BLU
YLW
MS
3 ~
REMARKS
BLU: BLUE
BLK: BLACK
WHT: WHITE
RED: RED
YLW: YELLOW
GRY: GRAY
GRN: GREEN
ORG: ORANGE
YLW/GRN: YELLOW/GREEN
BLU: BLUE
BLK: BLACK
WHT: WHITE
RED: RED
YLW: YELLOW
GRY: GRAY
GRN: GREEN
ORG: ORANGE
YLW/GRN: YELLOW/GREEN
Resistance of Compressor Windings
MODEL CU-HE18QKD
CONNECTION 5RD132XBA21
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
FAN MOTOR
CN-FM
(WHT)
Y
7
4
1
B
W
BL
R
M
FUSE301
T3.15A L250V
RY-PWR
RY-PWR2
Y/G
Y/G
TEMP.
FUSE
102°C (3A)
TEMP.
FUSE
102°C (3A)
EVAPORATOR
S1
2
3
3
AC304
(RED)
AC303
(WHT)
G301
(GRN)
GROUNDING
TERMINAL
L
W
R
G
P
Y
BL
TERMINAL
BOARD
L1
N
SI
NGL
E
PHA
S
E
PO
W
E
R
SU
PPLY
1ø
23
0V
5
0
H
z
ELECTRONIC
CONTROLLER
(MAIN)
5
4
3
2
1
UP DOWN
LOUVER MOTOR
(INNER)
LOUVER MOTOR
(INNER)
CN-STM4
BLUE
1
5
4
3
2
NOISE
FILTER
CIRCUIT
RECTIFICATION
CIRCUIT
COMMUNICATION
CIRCUIT
TO
OUTDOOR
UNIT
70
60
50
R
esi
st
anc
e (
k
Ω
)
Temperature (ºC)
Sensor (Thermistor)
Characteristics
40
30
20
10
-1001020304050
0
Pipe Temp. Sensor
Intake Air Temp. Sensor
Intake Air Temp. Sensor
1
1
2
2
*CN-STM2
YELLOW
*CN-STM3
GREEN
BL
MI
N
U
S
I
O
N
GE
N
E
R
A
T
O
R
CN2
GND
G
HIGH
VOLTAGE
POWER
SUPPLY
4
1
3
2
2
4
1
CN1 (WHT)
*CN-CLN
1
4
5
8
4
5
8
ELECTRONIC CONTROLLER
(COMPARATOR)
(COMPARATOR)
8
7
6
5
4
3
2
1
7
6
5
4
3
2
1
CN-MSSTM
WHITE
CN-SENS
GREEN
414
405
406
407
408
412
411
410
409
403
402
401
411
410
409
403
402
401
CN-STM
GREEN
CN-SENS
WHITE
R403
13.0k
1%
C403
0.1µ
25V
C407
0.1µ
25V
R402
10.0k
1%
R401
27.0k
1%
SENSOR
MOTOR
1
2
3
4
5
2
3
4
5
M
1
6
5
2
8
4
7
1
3
GND
IC401
6
5
7
IC402
VCC
GND
VCC
2
3
3
P.C.B
PCB401
ELECTRONIC
CONTROLLER
(ECO SENSOR)
CONTROLLER
(ECO SENSOR)
P.C.B
PCB401
5V_3
G2
5V_3
5V_3
G2
G2
G2
1
2
3
2
3
5V_6
13
14
14
G2
11
12
R408
62.0k
1%
12V
216
215
214
213
M
LEFT RIGHT
LOUVER MOTOR
LOUVER MOTOR
1
5
4
3
2
12V
139
138
136
134
M
12V
12V
1
2
3
4
5
6
7
16
9
8
15
14
13
12
11
10
IC406
12V
1
2
3
4
5
6
7
16
9
8
15
14
13
12
11
10
IC405
GND
VCC
UP DOWN
LOUVER MOTOR
(OUTER)
LOUVER MOTOR
(OUTER)
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
IC403
R47 1/2W
68
143 R46 1/2W
68
GND
VCC
195
220
219
218
217
151
157
159
155
157
159
155
193
194
194
1
2
3
2
3
*CN-MSENS
G2
C25
1µ
16V
R62
15.0k
1%
C27
1µ
16V
R61
20.0k
1%
C28
1µ
16V
R63
20.0k
1%
PIPING TEMP. SENSOR 1
(THERMISTOR)
PIPING TEMP. SENSOR 2
(THERMISTOR)
(THERMISTOR)
PIPING TEMP. SENSOR 2
(THERMISTOR)
SUCTION TEMP.
SENSOR (THERMISTOR)
SENSOR (THERMISTOR)
6
5
4
3
2
1
t
0
t
0
t
0
169
170
171
5V
*C40
*R74
5V
CN-RCV
WHITE
*CN-RCV
YELLOW
*R213
1
4
3
2
3
2
4
1
2
3
2
3
ELECTRONIC CONTROLLER
(RECEIVER)
(RECEIVER)
P.C.B
PCB201
15
1
2
3
2
3
Vout
Vcc
GND
GND
GND
5
5
4
IC201
GND-A
R209
47
5V_
5V_
GND-A
16
17
18
19
17
18
19
GND-A
*R214
1.0k
1%
*JP204
R58
1M
1%
4.7k
10k
C3
0.1µ
16V
C1
0.1µ
16V
12V
c
e
b
*Q09
5V
*R89
*CN-DISP
WHITE
*CN-DISP
YELLOW
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
ELECTRONIC CONTROLLER
(DISPLAY)
P.C.B
PCB301
POWER
(green)
LED301
ECONAVI
(green)
AUTO COMF
(green)
POWERFUL
(orange)
TIMER
(orange)
QUIET
(orange)
NANOE-G
(blue)
LED302
R301
270
12
14
15
16
17
18
19
R302
680
*R303
2k
*R304
270
*R305
7.5k
*LED303
*LED304
*LED305
*LED306
*LED307
*R307
680
*R306
680
5V_
12V
9
8
7
6
5
4
3
2
8
7
6
5
4
3
2
1
REMOTE CONTROLLER
AUTO
COMFORT
MODE
POWERFUL/
QUIET
TEMP
TIMER
SET
CANCEL
ON
OFF
1
2
3
AIR SWING
FAN SPEED
MILD DRY
COOLING
SET
CHECK
AC
RC
MILD
DRY
FAN
SPEED
AIR
SWING
AUTO
HEAT
COOL
COOL
DRY
ECONAVI
NANOE-G
OFF/ON
CLOCK
RESET
165
186
R91
10
R92
5 4 3 2 1
C52
1000p
50V
*C57
*C56
*L5
*CN-CNT
5V
5V
*L6
12V
204
201
203
202
C51
1000p
50V
R90
10k
R92
10k
4 3 2 1
210
209
208
207
C45
0.01µ
*C49
*CN-RMT
R54
270
R37
10k
5V
5V
ACL502
(BLACK)
ACL501
(BROWN)
ACN502
(WHITE)
(WHITE)
ACN501
(GRAY)
BR
W
GR
ELECTRONIC CONTROLLER (FUSE)
FUSE500
20A 250V
FUSE501
20A 250V
GROUNDING
TERMINAL
*CN-TH
RED
c
c
e
e
b
b
*Q01
*Q04
*C23
*C24
*C29
*R12
*R14
4.7k
4.7k
2
12V
5V
*R10
5V
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