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33
10.2 Outdoor Unit
10.2.1 CU-Z25UBEA CU-Z35UBEA
t°
t°
t°
TO INDOOR UNIT
SINGLE PHASE POWER SUPPLY
REACTOR
BLK
BLK
WHT
WHT
YL
W/GRN
GROUNDING TERMINAL
RED
COMMUNICATION
CIRCUIT
NOISE FILTER
CIRCUIT
DATA
(RED)
(RED)
AC-BLK
(BLK)
(BLK)
AC-WHT
(WHT)
(WHT)
FG1
(GRN)
(GRN)
FG2
(GRN)
(GRN)
PFC CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
SWITCHING POWER
SUPPLY CIRCUIT
FUSE 103
(20A 250V)
FUSE 104
T3.15A L250V
T3.15A L250V
FUSE 101
T3.15A L250V
FUSE 2
20A
FUSE 3
20A
20A
GRN
GRN
1
2
3
TERMINAL
BOARD
BOARD
L
N
CN–TH1
(WHT)
CN–TANK
(WHT)
RED
RED
BLU
BLU
BLK
PNK
WHT
YLW
YLW
(RED) U
(BLU) V
(YLW) W
U
V
W
1
4
1
3
P
N
Q1
OUTDOOR AIR TEMP. SENSOR (THERMISTOR)
PIPING TEMP. SENSOR (THERMISTOR)
COMPRESSOR TEMP. SENSOR (THERMISTOR)
CN–HOT
(WHT)
1
3
ELECTRO-MAGNETIC COIL
(4-WAY VALVE)
(4-WAY VALVE)
COMPRESSOR
MS
3~
ELECTRONIC CONTROLLER (MAIN)
1
1
3
5
3
W
10
14
16
IC25
V
U
CN-MTR2
(WHT)
CN-MTR1
(RED)
RAT2
(GRY)
GRY
RAT1
(GRY)
(GRY)
GRY
SOUND PROOF BOARD
MS
3~
FAN MOTOR
D20
1A5
1A5
G2
15V
e
c
13V
C174
G2
G2
D76
D75
D73
D74
AK
AK
AK
AK
5V
G5
C5
1u
KB
10V
R1
4.99k
1%
5V
G5
G5
R11
15.8k
1%
B1
C9
C9
1u
10V
KY
C88
220u
10V
R12
15k
1%
B1
C10
1u
10V
5V
C400
10u
25V
B3
G5
G5
C401
0.01u
50V
B1
R600
1k
G5
CN-STM
(WHT)
1
6
ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
(EXPANSION VALVE)
M
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10
0
10
Temperature (
o
C)
Resistance (kΩ)
20
30
40
50
Outdoor Air Sensor
Outdoor Heat Exchanger
Sensor
Outdoor Heat Exchanger
Sensor
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
20
40
60
Temperature (
o
C)
Resistance (kΩ)
80
100
120
140
34
10.2.2 CU-Z50UBEA CU-Z60UBEA
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10
0
10
Temperature (
o
C)
Resistance (kΩ)
20
30
40
50
Outdoor Air Sensor
Outdoor Heat Exchanger
Sensor
Outdoor Heat Exchanger
Sensor
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
20
40
60
Temperature (
o
C)
Resistance (kΩ)
80
100
120
140
tº
tº
tº
M
GRY
GRY
REACTOR
RAT2
(GRY)
RAT1
(GRY)
DATA
(RED)
AC-BLK
(BLK)
GRN
GRN
FAN
MOTOR
FUSE 1
(25A 250V)
FUSE 3
T3.15A L250V
AC-WHT
(WHT)
FG1 (GRN)
CN-MTR2
(WHT)
CN-MTR1
(RED)
FG2 (GRN)
1
10
P
N
U (RED) U
(BLU) V
(YLW) W
CN-STM1
(WHT)
V
W
Q1
14
W
IC19
U
V
16
1
3
3
5
NOISE FILTER
CIRCUIT
RECTIFICATION
CIRCUIT
PFC
CIRCUIT
COMMUNICATION
CIRCUIT
RECTIFICATION
CIRCUIT
SWITCHING
POWER
SUPPLY CIRCUIT
CN-TH1
(WHT)
CN-TANK
(WHT)
CN-HOT
(WHT)
1
1
1
1
3
3
6
4
OUTDOOR AIR TEMP. SENSOR
(THERMISTOR)
PIPING TEMP. SENSOR
(THERMISTOR)
COMPRESSOR TEMP.
SENSOR (THERMISTOR)
ELECTRO-MAGNETIC
COIL
(4-WAY VALVE)
YLW
YLW
YLW
RED
BLU
COMPRESSOR
ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
MS
3~
ELECTRONIC CONTROLLER
MS
3~
FUSE 8
T3.15A
L250V
FUSE 6
(20A 250V)
FUSE 5
(20A 250V)
SINGLE PHASE
POWER SUPPLY
TO INDOOR UNIT
RED
WHT
BLK
BLK
YLW/GRN
GROUNDING TERMINAL
WHT
L
N
1
2
3
(BLK) (WHT) (RED)
TERMINAL
BOARD
SOUND PROOF BOARD
D59
D57
NONE
G4A
AK
AK
5V
G5
C401
0.1u
25V
B1
15V
G4A
IC8
C921
0.1u
50V
B3
10
9
COMMON
GND
IC8
18
17
16
15
1
2
3
4
5V
G5
C99
1u
10V
B1
R28
4.99k
1%
5V
C98
470u
10V
KY
G5
G5
G5
C10
1u
10V
B1
R22
15k
1%
R21
15.8k
1%
C9
1u
10V
B1
35
11. Printed Circuit Board
11.1 Indoor Unit
11.1.1 Main Printed Circuit Board
CN-T2
CN-FM
CN-TH
CN-T1
CN-AC
CN-DRMTR1
JP10
(Random Auto Restart
enable/disable)
CN-DISP
CN-CNT CN-FSW
HAJEM-A
36
11.2 Outdoor Unit
11.2.1 Main Printed Circuit Board
11.2.1.1 CU-Z25UBEA CU-Z35UBEA
POWER
TRANSISTOR
(IPM)
TRANSISTOR
(IPM)
CURRENT
TRANSFORMER
(CT)
TRANSFORMER
(CT)
CN-DEMAND
CN-TH1
CN-MTR1
CN-TANK
CN-HOT
CN-MTR2
CN-V1
CN-STM
AC-BLK
DATA
AC-WHT
FG1
FG2
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