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22
9.2 Outdoor
Unit
9.2.1 CU-CE9PKE
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10
0
10
Temperature (°C)
R
e
si
st
anc
e (
k
Ω
)
20
30
40
50
1
2
1
2
OutdoorAir Sensor
Outdoor Heat Exchanger
Sensor
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
20
40
60
Temperature (°C)
R
e
si
st
anc
e (
k
Ω
)
80
100 120 140
TERMINAL
BOARD
TO INDOOR UNIT
OUTDOOR AIR TEMP.
SENSOR (THERMISTOR)
PIPING TEMP.
SENSOR (THERMISTOR)
1
2
3
4
CN-TH1
CN-TANK
t
0
t
0
BASE PAN
HEATER
FG2 (GRN)
CN-S
NH2
GRN
GRN
DATA
(RED)
AC-BLK
(BLK)
AC-WHT
(WHT)
FGI (GRN)
RED
BLK
WHT
GRY
RAT2
(GRY)
GRY
RAT1
(GRY)
REACTOR
COMPRESSORTEMP.
SENSOR (THERMISTOR)
t
0
SWITCHING
POWER
SUPPLY
CIRCUIT
FUSE 103
(20A 250V)
FUSE 104
(T3.15A L250V)
3
(RED)
2
(WHITE)
1
(BLACK)
(RED)
(WHITE)
(BLACK)
COMMUNICATION
CIRCUIT
RECTIFICATION
CIRCUIT
ELECTRONIC
CONTROLLER
1
3
BLU
BLU
HT2 (BLU)
RY-HT2
ACN2 (BLU)
1
2
1
3
ELECTRO-MAGNETIC
COIL (4-WAY VALVE)
NOISE FILTER
CIRCUIT
5V
R12
15.0k
G2
G2 G2
5V
G2
R1
4.99k
G2
3
1
G2
5V
R14
R240
G2
C68
G2
• The unit turn to the Rated Frequency cooling Operation by short-circuiting CN-S after applying power between the terminal 1 and 2.
• Operation of the compressor and the outdoor fan motor can be checked by applying power after short-circuiting CN-S.
*D20
*Q23
*CN-HOT
FAN MOTOR
FM1 (BLU)
FM2 (RED)
FM3 (YLW)
1 BLU
2 RED
3 YLW
M
1 ~
COMPRESSOR
RED
BLU
YLW
U(RED)
FUSE 101
T3.15A L250V
V(BLU)
W(YLW)
U
V
W
MS
3 ~
P
N
Q1
FAN MOTOR
CIRCUIT
RECTIFICATION
CIRCUIT
PFC
CIRCUIT
420
419
180 829
828
179
R11
15.8k
C10
1u
10V
C9
1u
10V
C5
1u
10V
15V
e
b
c
236