Refrigerant
System
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10
0
10
Temperature (
o
C)
Re
si
st
a
n
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
a
n
ce
(k
Ω
)
80
100
120
140
6
CN-V1
(BLACK)
( MAIN EXPANSION VALVE)
W
BL
1
ELECTRO
RY-HT1
3
AC-BLK
R
CRANKCASE
(4-WAY VALVE)
MAGNETIC COIL
HEATER
(GREEN)
1
NOISE FILTER
1
(RED)
(WHITE)
2
R
COM3
(BLUE)
CN-PSW1
BL
COMMUNICATION
AC-WHT02
(BLACK)
1
(BLACK)
AC-BLK02
CIRCUIT
RY-HT2
3
1
FG201
CN-HT2
(BLUE)
CN-HT1
CN-HOT
W
(BLACK)
3
(WHITE)
RY-HOT
CN-HPS
(BLACK)
(WHITE)
AC-BLK01
(WHITE)
1
2
CN-RY1
AC-L
(GRAY)
SUPPLY CIRCUIT
SWITCHING POWER
CIRCUIT
RECTIFICATION
CIRCUIT
CN-WHT
(RED)
(BLACK)
FU
S
E
1
T3.
1
5A
L250V
ELECTRONIC CONTROLLER (MAIN)
CN-FM2
(WHITE)
1
4
7
7
ELECTRO MAGNETIC COIL
1
PFC
UPPER FAN MOTOR
R
P
LOWER FAN MOTOR
U
V
AC-C
(BLUE)
U (RED)
DCN2
(RED)
V (BLUE)
W (YELLOW)
CN-FM1
(CAPACITOR)
CAPACITOR
ELECTRONIC CONTROLLER
CIRCUIT
DC P-IN
(BLUE)
DCP
(BLACK)
B
BL
R
FU
S
E
2
1
(WHITE)
AC-C
ELECTRONIC CONTROLLER (SUB)
(BLACK)
BL
CN-ACN
(BLACK)
DCN-OUT
(WHITE)
FG1 (GREEN )
FG2 (GREEN)
CN-BLK
N
CN-WHT
CIRCUIT
G
G
CN-ACL
W
(BLACK)
3
BASE PAN
HEATER
ELECTRO
(WHITE)
4
CIRCUIT
G
T3.
1
5A
L250V
HIGH PRESSURE SWITCH
(OPTIONAL)
RECTIFICATION
(YELLOW)
(RED)
DCN
DCN-IN
MAGNETIC COIL
(2-WAY VALVE)
RY-V1
(WHITE)
CN-EV
M
M
M
COMPRESSOR TERMINAL
(REFER TO TERMINAL COVER FOR WIRE INSERT)
BLUE
YELLOW
RED
3~
MS
R
Y
COMPRESSOR
B
U
W
V
R
B
Y
TERMINAL
BOARD
TERMINAL
1
2
3
BOARD
WATER
SYSTEM
HIGH PRESSURE
SENSOR
BL
1
4
3
1
3
2
R
W
W
5
RELAY
4
1
GR
6
W
W
BL
BL
BL
REACTOR
2
DE
FROS
T
T
E
M
P.
S
E
NS
O
R
OUT
DOOR
A
IR T
E
M
P.
S
E
NS
OR
(T
HE
RM
IS
T
OR)
DI
SC
HARGE
T
E
M
P.
S
E
NS
OR
OUT
DOOR
PI
PE
T
E
M
P
.
S
E
NSOR
(T
HE
RM
IS
T
OR)
EV
A EX
IT
TEM
P
.
SEN
S
O
R
(T
HE
RM
IS
T
OR)
1
2
1
(T
HE
RM
IS
T
OR)
(WHITE)
CN-DIS
(WHITE)
CN-TH1
1
2
(BLUE)
CN-TH2
CN-TH3
(YELLOW) 1
(T
HE
RM
IS
T
OR)
4
t˚
t˚
t˚
t˚
t˚
R102
4.99k
1%
1/10W
5V
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
13V
R138
5.6k
G1
*C214
R139
5.6k
C84
0.047u
25V
D3
3
D3
4
D3
5
D3
6
G2
13V
R358
20k
C220
1u
16V
5V
+
*C169
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
Q27
Q25
15V_2
5V
*R376
*C185
*R375
*R374
*R373
*C183
*R372
10K
E
C
B
C
E
B
4.7K
10K
4.7K
*C184
+
15V_2
*Q36
*Q35
15V_2
C72
1000p
