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48
10.2.2 WH-MDC07J3E5 WH-MDC09J3E5
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10
0
10
Temperature (
o
C)
Resistance (k
Ω)
20
30
40
50
1
2
1
2
Outdoor Air Sensor
Outdoor Heat Exchanger
Sensor
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
20
40
60
Temperature (
o
C)
Resistance (k
Ω)
80
100
120
140
( MAIN EXPANSION VALVE)
ELECTRO MAGNETIC COIL
C84
0.047u
25V
13V
IC7
VCC
GND
16
1
9
15
14
13
12
11
10
2
3
4
5
6
7
8
GND
8
D33
D34
D35
D36
13V
IC8
VCC
1
9
16
15
14
13
12
11
2
3
4
5
6
10
7
G2
M
13V
W
1
RECTIFICATION
1
MS
3
Y
B
R
(OPTIONAL)
CIRCUIT
REACTOR
R
W
2
3
(WHITE)
2
COMPRESSOR
BL
T3.15A L250V
R358
20k
C220
1u
16V
FUSE2
CIRCUIT
1
3
(WHITE)
Y
B
R
G
(WHITE)
6
CIRCUIT
NOISEFILTER
SUPPLY CIRCUIT
(BLACK)
AC-BLK
(BLACK)
FG2 (GREEN)
FG1 (GREEN)
CN-BLK
(BLACK)
CN-ACL
(WHITE)
ELECTRONIC CONTROLLER (SUB)
BL
BL
BL
SWITCHING POWER
5
W
(BLACK)
4
1
W
GR
R
CAPACITOR
B
CN-ACN
(BLACK)
BL
DCN-OUT
(BLACK)
DCN-IN
(BLUE)
AC-C
(WHITE)
DCP-OUT
DCN2
FG1
(GREEN)
(BLACK)
(CAPACITOR)
ELECTRONIC CONTROLLER
3~
W
V
U
(YELLOW)
(BLUE)
(RED)
W
V
U
N
P
FAN MOTOR
M
7
4
G
BL
T3.15A L250V
FUSE1
CN-FM1
BL
1
(BLACK)
DCN
(BLUE)
AC-C
(RED)
DCP
1
CIRCUIT
RECTIFICATION
W
(GRAY)
2
1
AC-L
(WHITE)
CN-RY1
(WHITE)
CN-WHT
(BLACK)
4
3
2
1
3
AC-BLK01
CIRCUIT
PFC
NOISE
FILTER
CIRCUIT
RY-HOT
(RED)
CN-HPS
(BLUE)
RY-HT2
CN-HOT
HEATER
3
R
CN-WHT
(RED)
COM3
SENSOR
HIGH PRESSURE
(4-WAY VALVE)
MAGNETIC COIL
AC-WHT02
CN-HT2
BL
BL
W
1
BASE PAN
ELECTRO
RELAY
REACTOR
AC-BLK02
(BLACK)
COMMUNICATION
CIRCUIT
ELECTRONIC CONTROLLER (MAIN)
2
G
5V
+
*C169
t˚
TANK TEMP. THERMISTOR
(50kΩ 3950)
1
3
*CN-TANK
R363
4.99k
1%
1/10W
5V
DISCHARGE TEMP. SENSOR
(THERMISTOR)
(50kΩ 3950)
CN-DIS
t˚
2
1
R102
4.99k
1%
1/10W
C47
1u
6.3V
5V
CN-TH1
AIR TEMP. SENSOR
(THERMISTOR)
(15kΩ 3950)
t˚
t˚
SENSOR (THERMISTOR
(4.96kΩ 3800)
1
4
OUTDOOR PIPE TEMP.
5V
C46
1u
6.3V
C45
1u
6.3V
R101
7.50k
1%
1/10W
R100
15.0k
1%
1/10W
EVA EXIT TEMP. SENSOR
(THERMISTOR)
(4.96kΩ 3800)
t˚
2
1
5V
*R386
*C215
R
R
1
2
HIGH PRESSURE SWITCH
(blue)
CN-PSW1
13V
5V
e
c
b
C65
0.047u
25V
R140
10k
4.7k
D15
10k
R138
5.6k
R139
5.6k
*CN-TH3
*CN-EV
2
3
1
TERMINAL
BOARD
WATER
S
Y
S
TEM