Fujitsu AUU18RC, Service Manual

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C I R C U I T D I A G R A M
Models : AUU18RC / AOU18RC
AUU24RC / AOU24RC
CN 10
CN 4
STEP
MOTOR
FLOAT
SWITCH
DRAIN PUMP
MOTOR
FAN MOTOR
CAPACITOR
CONTR
OL BO
ARD
THERMISTOR
(PIPE TEMP.)
1 2 3
THERMISTOR
(ROOM TEMP.)
TO REMOTE
CONTROL UNIT
TERMINAL
FIL
TER BO
ARD
Use
T 3.15A
–250V
Fuse on F101
BROWN
RED
1
2
1
2
WHITE
WHITE
CN 15
BLACK
BLACK
BLACK
BLACK
CN 7
GRA
Y
GRA
Y
CN 17
WHITE
BLACK
RED
RED
GREEN
BLA
CK
WHITE RED
ORANGE
YELLOW
WHITE
BROWN
RED
ORANGE
YELLOW
WHITE
M
CN 8
BLA
CK
BLA
CK
CN 1
WHITE
BLACK
3
L
N
1 2
(N)
TO OUTDOOR UNIT
TERMINAL
CN 6
BLACK
BLACK YELLOW
YELLOW
FAN
MOTOR
CN 5
BLACK
WHITE
RED
1 2
1 2
2
1
2
3 3
1
2
1
2
3 3
1
1 2
1 2
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
1
2
3 3
1
2
1
2
3 3
1 1
2 2
1 1
2 2
M
1 1
2 2
2 2
1 1
3 3 3 3
FM
TRANSFORMER
SOLENOID
COIL
FA
N
M
O
TO
R
CA
PA
CI
TO
R
COMPRESSOR
CAPACITOR
COMPRESSOR
C S
R
POWER
RELAY
TERMINAL
THERMISTOR
TEST
(PIPE TEMP.)
THERMISTOR
(OUTDOOR TEMP.) (DISCHARGE TEMP.)
THERMISTOR
G
R
EE
N
PU
R
PL
E
PU
R
PL
E
W
H
IT
E
W
H
IT
E
W
H
IT
E
BL
AC
K
BLACK
BLACK
BLACK
BL
AC
K
BL
AC
K
BLACK
BLACK
GRAY
GRAY
BROWN
BROWN
R
ED
RED
R
ED
R
ED
W
H
IT
E
BL
AC
K
BL
U
E
R
ED
R
ED
R
ED
WHITE WHITE
WHITE
CN15 CN9 CN1 CN4 CN3 CN2 CN5
CN11 CN10
E
CN12 CN13
PRINTED CIRCUIT BOARD
1 2 1 2 1 2
1 2 4 3 2 1 1 2 1 2 1 2 1 2 1 2 3
1 2 3
FAN
MOTOR
SV
L
G
N 3
2
(N)
1
TO INDOOR UNIT
TO POWER SUPPLY
NO
COM
OVERLOAD
PROTECTOR
INDOOR UNIT
OUTDOOR UNIT