46
9.2 Outdoor
Unit
1
(BLACK)
2
(WHITE)
3
(RED)
RED
DATA (RED)
ELECTRONIC CONTROLLER
WHT
AC-WHT (WHT)
GRN
FG2 (GRN)
ORG
1
HT1 (ORG) RY-HT1
ORG
2
1
1
3
5
2
ACN1 (ORG)
BLU HT2 (BLU)
RY-HT2
BLU ACN2 (BLU)
IC19
BLK
AC-BLK
(BLK)
CN-MTR2
(WHT)
CN-MTR1
FUSE103
(20A 250V)
RAT2
(GRY)
RAT1
(GRY)
GRY
REACTOR
GRY
TERMINAL
BOARD
TO INDOOR UNIT
COMMUNICATION
CIRCUIT
GRN
FG1 (GRN)
FUSE104
T3.15A L250V
FU
SE
10
1
T3
.1
5A
L2
50
V
NOISE FILTER
CIRCUIT
FAN
MOTOR
CRANKCASE
HEATER
BASE PAN
HEATER
OPTIONAL
MS
3 ~
MS
3 ~
W
U
V
10
14
16
Q1
U
P
N
V
W
U (RED)
V (BLU)
W (YLW)
RED
BLU
YLW
RECTIFICATION
CIRCUIT
SWITCHING
POWER SUPPLY
CIRCUIT
RECTIFICATION
CIRCUIT
PFC
CIRCUIT
DISCHARGE TEMP.
SENSOR (50k
Ω
3950)
CN-DIS
t°
1
2
EVAPORATOR EXIT TEMP.
SENSOR (4.96k
Ω
3800)
CN-TH3
t°
1
2
COMPRESSOR
3
1
ELECTRO-MAGNECTIC COIL
(4-WAY VALVE)
CN-HOT
ELECTRO-MAGNECTIC COIL
(EXPANSION VALVE)
CN-STM
6
5
4
3
2
1
M
RED
BLK
WHT
HIGH PRESSOR
SENSOR
CN-HPS
(RED)
1
1
2
3
3
4
1
2
3
4
5
5V
+
G2
G2
C186
C188
G2
C187
R313
R312
R311
G2
*C178
CN-TH1
OUTDOOR AIR TEMP. SENSOR (15k
Ω
3950)
PIPING TEMP. SENSOR (4.96k
Ω
3800)
t°
t°
1
2
3
4
5V
G2
+
C88
G2
C10
R12
R11
G2
C9
COMPRESSOR TEMP. SENSOR (50k
Ω
3950)
CN-TANK
t°
1
3
G2
C5
G2
R1
5V
4V
e
c
b
D23
D20
R33
R32
Q24
RY-HT1
RY-HT2
*RY-FM
C174
13V
13V
13V
IC4
VCC
GND
16
1
9
15
13V
14
13
12
11
10
2
3
4
5
6
7
8
D73
D75
D74
D76
13V
IC5
VCC
1
9 16
15
14
13
12
11
2
3
4
5
6
13V
G2
G2
G2
R455
R466
R465
CN3
CN4
C244
C245
C246
5V
1 2
1 2
5V
G2
G2
G2
G2
G2
R101
C92
C90
C91
R107
G2
G2
CN1
1 2 3
CN2
1 2 3
5V
+
G2
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10
0
10
Temperature (
o
C)
R
esi
st
an
ce
(
kΩ
)
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
esi
st
an
ce
(
kΩ
)
80
100
120
140