41
9.2.3
CU-XE18WKUA CU-XE24WKUA
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
Res
is
tanc
e (
k
Ω
)
1
2
1
2
Outdoor Air Sensor
Outdoor Heat Exchanger
Sensor
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
Res
is
tanc
e (
k
Ω
)
Temperature °F (°C)
14
(-10)
32
(0)
50
(10)
68
(20)
86
(30)
104
(40)
122
(50)
68
(20)
104
(40)
140
(60)
176
(80)
212
(100)
248
(120)
284
(140)
Temperature °F (°C)
TERMINAL
BOARD
COM3
(RED)
FG01 (GRN)
AC-BLK
(BLK)
AC-WHT (WHT)
FUSE2
(T3.15A L250V)
FUSE1
(T2.5A L250V)
CN-DCFM
(WHT)
L1
L2
BL
K
BLK
WHT
GRN
YL
W
/GRN
SOUND PROOF BOARD
LJP117
(GRN)
GRN
WHT
RED
1
(BLK)
2
(WHT)
3
(RED)
TO INDOOR UNIT
SINGLE PHASE
POWER SUPPLY
YE
L
/G
R
N
(BLK)
(WHT) (RED)
REACTOR
L1-O
(BLK)
L2-
I
(GRY)
1
1
2
2
P
Q10
N
U
(RED)
(BLU)
(YEL)
RED
RED
BLU
BLU
YEL
RED
BLU
YEL
YEL
WHT
BLK
COMPRESSOR
CN-TH1
(WHT)
CN-TANK
(WHT)
CN-EV
(WHT)
CN-HOT
(BLU)
1
1
1
3
3
1
1
1
6
ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
ELECTRO MAGNETIC COIL
(4-WAY VALVE)
COMP TEMP.
SENSOR
(THERMISTOR)
OUTDOOR AIR
TEMP. SENSOR
(THERMISTOR)
4
3
t°
t°
t°
7
MS
3~
M
M
V
W
U
V
W
GRY
BLK
GRY
BLK
1
3
COMMUNICATION
CIRCUIT
NOISE FILTER
CIRCUIT
ELECTRONIC
CONTROLLER
FAN
MOTOR
BLU
PFC
CIRCUIT
RECTIFICATION
CIRCUIT
SWITCHING
POWER
SUPPLY
CIRCUIT
RECTIFICATION
CIRCUIT
PIPING
TEMP. SENSOR
(THERMISTOR)
GROUNDING
TERMINAL
RY
-H
O
T
CABINET
SIDE
PLATE
YE
L
/G
R
N
SOUND
PROOF
BOARD
CONTROL
BOX
COVER
ELECTRONIC
CONTROLLER
(HEATER)
BASE PAN
HEATER 3
3
1
1
BLU
BLU
HT1
(BLU)
ACL (BRW)
BRW
5
5
CN-HT1
CN-HT2
RY-HT1
HT1 (BLU)
ACL (BRW)
1
1
FUSE3
(25A, 250V)
5V
R100
15.0k
R101
15.8k
C45
1µ
6.3V
C46
1µ
6.3V
5V
R410
4.99k
*D33
*D34
*D35
*D36
13V
e
b
*Q29
4.7k
10k
c
15V_2
*R443
*R444
*C251
*C249
*R464
5V
13V
*RY-HT2
*RY-HT1
1
2
3
4
5
6
7
16
9
IC9
GND 8
15
14
13
12
11
10
13V
13V