Fujitsu GENERAL AOHG18KMTA, Service Manual

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7-3. Model: AOHG24KMTA
1
4
6
7
8
1
2
3
4
5
1
2
1
2
3
4
1
2
3
1
2
3
1
2
3
W103
B
W104
B
W70
B
W100
B
W101
B
W102
B
W400
B
U
W401
B
V
W402
B
W
P60
B2P3-VH-B-E
BLUE
P650
B5 ( 7-2.3 ) B-XASK-1-A
WHITE
P30
B05B-PLISK-1
WHITE
P1
B04B-PLIRK-1
RED
P5
B03B-PLISK-1
WHITE
P15
B03B-PASK-1
WHITE
P20
B03B-XNISK-A-1
WHITE
UL1015 AWG16
GREEN
UL1015 AWG14
WHITE
UL1015 AWG14
BLACK
UL1015 AWG20
RED
UL1015 AWG20
WHITE
UL1015 AWG20
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
WHITE
WHITE
FRAME FRAME
TERMINAL
JXO-SXC-6P-A-2
1
2
3
L
N
L
N
SERIAL
POWER SOURCE
AC230V
50Hz
TO INDOOR UNIT
EARTH
THERMISTOR ( PIPE TEMP. )
THERMISTOR ( DISCHARGE TEMP. )
THERMISTOR ( OUTDOOR TEMP. )
THERMISTOR ( COMPRESSOR TEMP. )
PRESSURE SWITCH
COMPRESSOR
DC FAN MOTOR
EXPANSION VALVE COIL
UL3271 AWG16
RED
UL3271 AWG16
WHITE
UL3271 AWG16
BLACK
BLUE
RED
RED
BLACK
WHITE
YELLOW
BROWN or BLUE
RED
BLUE
ORANGE
YELLOW
WHITE
FM
M
CM
RED
WHITE
BLACK
WIRE w/TERMINAL ( CORE )
1015#22
GREEN
U-V
V-W
U-W
Compressor
Winding Resistance
1.916 (20 )
DC
DC340V
DC15V-1
DC12V
4-WAY VALVE COIL
DC Resistance 2,780
(20 )
1
3
4
5
6
Pin No.
Terminal
code
Vm
GND
Vcc
Vsp
FG
Function of terminal
Revolution pulse output
Speed control voltage input
Control power voltage input
GND
Motor power voltage input
Lead wire
color
Red
Black
White
Yellow
Brown
2
7
P650 DC Fan Motor
MAIN PCB
G24KMTA(Y)-A01-00-SV
DC5V
EMI FILTER
KRFC-13
1 TURN
EMI FILTER
KRFC-13
2 TURNS
EMI FILTER
KRFC-13
2 TURNS
EMI FILTER
TRCB-25-15-12
8 TURNS
P5 Thermistor Characteristics.
Thermistor ( Discharge temp. )
168.60 k 62.55 k 40.01 k
0.36 V
0.86 V 1.23 V
0 20 30
Thermistor
Thermistor ( Outdoor temp. )
35.21 k 12.64 k 7.97 k
2.61 V 3.76 V 4.14 V
Temperature
P1 Thermistor Characteristics.
0 20
30
Thermistor
Thermistor ( Pipe temp. )
16.05 k 5.98 k 3.84 k
1.14 V 2.21 V 2.77 V
Temperature
P15 Thermistor Characteristics.
0 20
30
Thermistor
Thermistor ( Compressor temp. )
Temperature
168.60 k 62.55 k 40.01 k
0.36 V
0.86 V 1.23 V
INVERTER ASSEMBLY
EZ-0192DHUE
P600
B12B-PASK-1
WHITE
1
2
3
4
5
6
7
8
9
10
11
12
TEST
DC5V
GND_CPU
1(Red) - 3(Blue)
1(Red) - 4(Orange)
1(Red) - 5(Yellow)
1(Red) - 6(White)
46.0
(20 )
Coil resistance
M
WHITE
RED
( COM )
ORANGE
BLUE YELLOW
Phase No.
1
2
3
4
Lead wire colors
White
Yellow
Orange
Blue
Off
Off Off
Off Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
On
On
On On
On On On
On On On
On On
1 2 3 4 5 6 7 8
Switching mode
Recommended drive condition : Unipolar drive, 1-2 phase excitation.
The movement mode
1 2 3 4 5 6 7 8 : Valve close
8 7 6 5 4 3 2 1 : Valve open
1
3
2 4
P30 Expansion Valve Coil
Recommended Drive Condition
Unipolar Drive, 1-2 Phase Excitation.
GND_FAN
Type of contact : Sigle pole single throw
Characteristics of pressure switch
C
H
Pressure
Contact : Short Open
Contact : Open Short
4.2 ~ 4.05MPa
3.2 ± 0.15MPa
7-3. Model: AOHG24KMTA
- (02-23) -
7. PC board diagrams
TEC
H
N
IC
A
L
D
A
TA
A
N
D
PA
R
TS
LI
ST
TEC
H
N
IC
A
L
D
A
TA
A
N
D
PA
R
TS
LI
ST