44
10.2 Refrigerant System
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10
0
10
Temperature (
o
C)
R
e
si
st
an
c
e
(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)
R
e
si
st
an
c
e
(k
Ω
)
80
100
120
140
NOI
S
E FILTER
(GRAY)
3
CN -V1
MAGNETIC COIL
(4-WAY VALVE)
3
BL
CAPACITOR
W
AC-BLK02
BL
W
ELECTRONIC CONTROLLER (MAIN)
1
BA
S
E PAN
HEATER
3
FU
S
E2
CRANKCA
S
E
NOI
S
E
(YE LLO W )
HIGH PRE
SS
URE
S
EN
S
OR
2
(T
H
ER
M
I
S
TO
R
)
OUT
DOO
R A
IR T
EM
P
.
S
EN
S
OR
(T
HE
RM
I
S
TO
R
)
3
(BLACK)
DI
S
C
H
A
RGE
T
EM
P
.
S
EN
S
OR
T3
.15A
L25
0V
1
COMPRE
SS
OR
BY
PA
SS
EX
IT
TE
M
P
.
S
EN
S
OR
1
OUT
DOO
R P
IP
E
TE
M
P
.
S
EN
S
OR
(T
H
ER
M
I
S
TO
R
)
4
EV
A
EX
IT
TEM
P
.
S
EN
S
OR
1
(T
H
ER
M
I
S
TO
R
)
(WHITE)
CN-DI
S
4
1
1
CN-TH1
(WHITE)
(BLUE)
CN-TH2
CN-TH3
(BLACK)
G
1
UPPER FAN MOTOR
W (YELLOW)
1
(T
H
ER
M
I
S
TO
R
)
t°
t°
t°
t°
t°
t°
ELECTRO MAGNETIC COIL
3
(BYPA
SS
EXPAN
S
ION VALVE)
R
( MAIN EXPAN
S
ION VALVE)
ELECTRO MAGNETIC COIL
R
COM3
(RED)
R
1
AC-WHT02
1
T
3
.15
A
L2
50V
(WHITE)
COMMUNICATION
RY-HT2
6
AC-L
CIRCUIT
CN-HT2
RY-HT1
CN -HOT
1
CN-HT1
1
BL
4
(RED)
CN-HP
S
RECTIFICATION
FILTER
W
G
CN-WHT
(WHITE)
(RED)
DCP
(WHITE)
CN-EV
6
2
CN-RY1
S
WITCHING POWER
S
UPPLY CIRCUIT
RECTIFICATION
CIRCUIT
PFC
CIRCUIT
DCN-IN
CIRCUIT
AC-C
(BLUE)
DCN
(BLACK)
2
2
DCN2
(BLACK)
FU
S
E1
1
CN-FM2
(WHITE)
1
4
7
7
4
2
CN-FM1
(BLUE)
CN-P
S
W1
(YELLOW)
CN-EV2
LOWER FAN MOTOR
(BLACK)
V
U
U (RED)
P
N
V (BLUE)
(RED)
(BLUE)
(BLACK)
3
~
(2-WAY VALVE)
FG1
(GREEN)
G
M
S
U V W
A
M
M
M
M
R
1
DCP-IN
(WHITE)
BL
(CAPACITOR)
ELECTRONIC CONTROLLER
AC-C
(BLACK)
B
1
CN-ACL
RY-V1
AC-BLK01
(OPTIONAL)
4
W
GR
W
RELAY
6
W
R Y-HOT
FG2 (GREEN)
BL
BL
BL
DCN-OUT
ELECTRONIC CONTROLLER (
S
UB)
CN-ACN
(BLACK)
FG1 (GREEN)
(WHITE)
(BLACK)
AC-BLK
CN-BLK
(BLACK)
(WHITE)
(BLUE)
CN-WHT
CIRCUIT
MAGNETIC COIL
W
R
GR
TERMINAL
BOARD
R
B
B
BR
1
Y
Y
(WHITE)
HEATER
ELECTRO
CIRCUIT
(BLACK)
(WHITE)
CIRCUIT
R
ELECTRO
5
DE
FR
O
S
T TE
M
P
.
S
EN
S
OR
(T
H
ER
M
I
S
TO
R
)
HIGH PRE
SS
URE
S
WITCH
REACTOR
3
1
2
TERMINAL
BOARD
WATER
S
Y
S
TEM
COMPRE
SS
OR TERMINAL
(REFER TO TERMINAL COVER FOR WIRE IN
S
ERT)
BLUE
YELLOW
RED
5V
R318
2k
R170
10k
R168
4.42k
10K
E
C
B
C
E
B
4.7K
10K
4.7K
15V_2
Q27
Q25
15V_2
C72
1000p
5V
*R376
*R373
*C183
*R372
10K
E
C
B
C
E
B
4.7K
10K
4.7K
15V_2
*Q36
*Q35
15V_2
R102
4.99k
1%
1/10W
5V
C47
1u
6.3V
5V
C46
1u
6.3V
C45
1u
6.3V
R101
7.50k
1%
1/10W
R100
15.0k
1%
1/10W
5V
*C49
*C48
*R104
*R103
5V
*C214
*R386
*R385
*C215
13V
1
2
3
4
5
6
7
16
15
14
13
12
11
10
IC8
IC8
IC7
IC7
IC7
IC7
IC7
IC7
IC7
IC8
IC8
IC8
IC8
IC8
D3
6
D3
5
D3
4
D3
3
1
2
3
4
5
6
7
16
15
14
13
12
11
10
G2
13V
2
1
3
4
5
6
7
16
15
14
13
12
11
10
IC8
IC8
IC7
IC7
IC7
IC7
IC7
IC7
IC7
IC8
IC8
IC8
IC8
IC8
*D
62
*D
63
*D
64
*D
65
1
2
3
4
5
6
7
16
15
14
13
12
11
10
G2
13V
R138
5.6k
G1
R358
20k
R356
1k
C220
1u
16V
C167
1000p
50V
5V
+
*C169
Summary of Contents for WH-MXC09J3E5
Page 38: ...38 8 Block Diagram ...