
47
10.2 Refrigerant System
10.2.1 WH-MDC05J3E5
R358
20k
C220
1u
16V
5V
+
*C169
M
2
3
1
W
BL
BL
W
R
BASE PAN
HEATER
ELECTRO
MAGNETIC COIL
(4-WAY VALVE)
HIGH PRESSURE
SENSOR
CO
M
P
. TEM
P
. SENSO
R
(T
HERM
IS
TOR
)
CN- TANK
(WHITE)
1
DI
SCH
ARGE TE
M
P.
SE
N
S
OR
(T
HERM
IS
T
O
R
)
3
O
U
TDOO
R AI
R TEM
P.
SE
N
S
OR
(T
HERM
IS
TOR
)
OUTDOO
R PI
PE
T
E
M
P
.
SE
N
S
OR
(T
HERM
IS
TOR
)
CN-DIS
(WHITE) 1
2
1
4
CN-TH1
(WHITE)
CN-EV
(WHITE)
6
1
CN-PSW1
(BLUE)
1
2
ELECTRO MAGNETIC COIL
(MAIN EX PANSION VALVE)
R
R
COM3
(RED)
AC-WHT02
(WHITE)
AC-BLK02
(BLACK)
COMMUNICATION
CIRCUIT
1
3
CN-HT2
(BLACK)
RY-HT2
CN-HOT
(BLUE)
RY-HOT
CN-HPS
(RED)
1
3
1
4
AC-BLK01
(BLACK)
CN-WHT
(WHITE)
CN- RY1
(WHITE)
1
2
AC-L
(GR AY)
SWITCHING POWER
SUPPLY CIRCUIT
RECTIFICATION
CIRCUIT
PFC
CIRCUIT
DCP
(RED)
AC-C
(BLUE)
DCN
(BLACK)
DCN2
(BLACK)
FUSE1
T3
.1
5A L25
0V
ELECTRONIC CONTROLLER
(MAIN)
CN-FM1
(WHITE)
1
1
1
2
2
3
3
4
7
FAN MOTOR
P
N
U
V
W
U (RED)
V (BLUE)
W (YELLOW)
MS
3~
G
FG1
(GREEN)
ELECTRONIC CONTROLLER
(CAPACITOR)
CAPACITOR
CIRCUIT
DCP-OUT
(WHITE)
AC-C
(BLUE)
DCN-IN
(BLACK)
BL
DCN-OUT
(BLACK)
B
BL
R
REACTOR
GR
GR
R
R
W
BL
ELECTRONIC CONTROLLER (SUB)
ACN201
(WHITE)
ACL201
(BLACK)
FG202
(GREEN)
FG201
(GREEN)
L1-IN
(GRAY)
CN-BLK
(BLACK)
CN-WHT
(WHITE)
NOISE FILTER
CIRCUIT
G
G
R
B
Y
R
B
Y
TERMINAL
BOARD
RECTIFICATION
CIRCUIT
FUSE2
T
3
.15A L2
50V
HIGH PRESSURE SWITCH
NOISE
FILTER
CIRCUIT
COMPRESSOR
(OPTIONAL)
3
1
3
2
BL
W
R
t
o
t
o
1
2
t
o
t
o
t
o
WATER
SYSTEM
M
CN-TH3
(YELLOW)
2
1
CN-DC
(WHITE)
(T
HERM
IS
T
O
R)
E
V
APOR
A
TOR
EX
IT
T
E
M
P.
SENSOR
13V
R138
5.6k
G1
C84
0.047u
25V
D3
3
D3
4
D3
5
D3
6
IC8
1
16
15
14
13
12
11
2
3
4
5
6
10
7
G2
13V
R102
4.99k
1%
1/10W
5V
R363
1%
1/10W
5V
5V
R318
2k
C80
0.047u
R174
200k
R172
5.11k
R170
10k
R168
4.42k
10K
E
C
B
C
E
B
4.7K
10K
4.7K
*C74
+
15V_2
15V_2
*R 386
5V
5V
C46
1u
6.3V
C45
1u
6.3V
R101
7.50k
1%
1/10W
R100
15.0k
1%
1/10W
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10
0
10
Temperature (
o
C)
Re
si
st
an
ce
(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)
Re
si
st
an
ce
(k
Ω
)
80
100
120
140