22
9.2 Outdoor
Unit
9.2.1 CU-E12RB4U
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10
(14)
0
(32)
10
(50)
R
e
si
st
a
n
c
e
(k
)
20
(68)
30
(86)
40
(104)
50
(122)
Temperature °C (°F)
Temperature °C (°F)
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
(68)
40
(104)
60
(140)
R
e
si
st
a
n
ce
(k
)
80
(176)
100
(212)
120
(248)
140
(284)
R12
15.0k
C7
1
R11
15.8k
5V
C6
1
C3
1
R1
4.99k
5V
D19
AIR TEMP. SENSOR
(THERMISTOR)
PIPING TEMP. SENSOR
(THERMISTOR)
COMPRESSOR TEMP. SENSOR
(THERMISTOR)
(RED)
RED
P
Q1
FUSE103
T3.15A L250V
GRY
ELECTRO-MAGNETIC
COIL (EXPANSION VALVE)
GRY
REACTOR
NOISE FILTER
CIRCUIT
COMMUNICATION
CIRCUIT
PFC
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
SWITCHING
POWER SUPPLY
CIRCUIT
TERMINAL BOARD
L1
YLW/GRN
L2
2
(WHITE)
1
(BLACK)
3
(RED)
RED
WHT
GRN
GRN
FUSE101
20A 250V
FUS
E102
T3.
15
A
L25
0V
BLK
BLK
WHT
DATA (RED)
AC-BLK
(BLK)
AC–WHT
(WHT)
FG1 (GRN)
LJP101 (GRN)
HT2 (ORG)
CN-DCFM
(WHT)
HT2(ORG)
ACL(BRW)
HE
A
T
E
R
ELECTRONIC
CONTROLLER
ELECTRONIC CONTROLLER
ORG
ORG
RY-HT2
BRW
ACL(BRW)
CN-HT1
CN-HT2
CN4
CN5
4
1
7
FAN
MOTOR
M
M
RAT2
(GRY)
RAT1
(GRY)
N
U
V
W
BLU
YLW
(BLU)
(YLW)
COMPRESSOR
CN–TANK
(WHT)
CN–TH
(WHT)
CN–STM
(WHT)
t°
t°
t°
TO INDOOR UNIT
POWER SUPPLY
M S
3
~
ELECTRO-MAGNETIC
COIL (4-WAY VALVE)
YLW
YLW
CN–HOT
(WHT)
1 2 3 4 5 6
13V
C80
D2
6
D2
7
D2
8
D2
9
1
2
3
4
3
1
1
2
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
6
7
9
8
16
15
14
13
12
11
10
IC 1 2
IC 1 2
IC 1 2
IC 1 2
IC 1 2
IC 1 2
IC 1 2
13_1V
R129
1k
R118
5V
R130
1k
R116
5V
13V
RY-HT2
RY-HT1