Fujitsu AUY45FUAS, AOY45FMAXT, AUY45UUAS, AOY45UMAXT Service Manual
SPLIT TYPE
AIR CONDITIONER
CASSETTE TYPE (50Hz)
Indoor unit Outdoor unit
AUY45FUAS AOY45FMAXT
AUY45UUAS AOY45UMAXT
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . .
1
DIMENSIONS. . . . . . . . . . . . . . . . . . .
2
REFRIGERANT SYSTEM DIAGRAM
. . .
4
CIRCUIT DIAGRAM. . . . . . . . . . . . . .
5
ERROR CONTENTS . . . . . . . . . . . .
7
PCB DIAGRAM . . . . . . . . . . . . . . . . .
10
DISASSEMBLY ILLUSTRATION . . .
11
PARTS LIST. . . . . . . . . . . . . . . . . . .
20
STANDARD ACCESSORIES. . . . . .
22
SPECIFICATIONS
TYPE COOLING & HEATING
INDOOR UNIT
AUY45FUAS
OUTDOOR UNIT
AOY45FMAXT
COOLING CAPACITY (kW) 12.7 12.7
HEATING CAPACITY (kW) 14.3
POWER SOURCE
(V) 400
(Hz) 3 / 50
(A)RUNNING CURRENT
COOL 7.70
HEAT
INPUT WATTS (kW)
COOL 4.38
HEAT 4.39
E.E.R. (kW/kW)
COOL 2.90
HEAT 3.26
STARTING CURRENT (A) 67
MOISTURE REMOVAL 5.0
HIGH 600
FAN SPEED
INDOOR MED 530
(r.p.m.)
LOW 450
OUTDOOR
780
AIR FLOW
INDOOR
1,550
OUTDOOR 6,100
IN 296 x 830 x 830
GRILLE 35 x 940 x 940
DIMENSIONS
H x W x D
(mm)
OUT
1,165 x 900 x 330
WEIGHT NET / GROSS (kg)
IN
40 / 55
OUT 109 / 116 113 / 120
MAX PIPE LENGTH (m) 50
MAX PIPE HEIGHT (m) 30
REMOTE CONTROLLER TYPE WIRED
TYPE
Hermetic type, 2 pole, Three phase,
Induction motor, Scroll
DISCRIMINATION BN52YEAMT
REFRIGERANT R410A (g) 3,400
COMPRESSOR
12005.06.01
( / h)
3
(m / h)
REFRIGERANT CHARGE (R410A)
COOLING
AUY45UUAS
AOY45UMAXT
-----
PIPE LENGTH
3,800 g
FULL CHARGE AMOUNT
4,200 g
4,600 g
ADDITIONAL REFRIGERANT
3,400 g
30 m
40 m
50 m
20 m
40 g / m
-----
-----
-----
7.70
Unit : mm
30
296
750
60
(Drain pipe)
120
285
250
(Large pipe)
(Small pipe)
150
298.5
305.5 248.5
60
(Drain pipe)
120
(Large pipe)
(Small pipe)
150
298.5
305.5 248.5
Drain Inside Dia. 32
Outside Dia. 37
750
940
940
DIMENSIONS
INDOOR UNIT
Models : AUY45FUAS
AUY45UUAS
22005.06.02
(Unit : mm)
OUTDOOR UNIT
Models : AOY45FMAXT
AOY45UMAXT
32005.11.11
3177900 330 12
9
21
1165
400
650
370
Air Flow
151
170
99
196
OUTDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
INDOOR UNIT
EVAPORATOR
Refrigerant pipe
19.05mm (3/4")
Refrigerant pipe
19.05mm (3/4")
REFRIGERANT SYSTEM DIAGRAM
Models : AUY45FUAS / AOY45FMAXT
Models : AUY45UUAS / AOY45UMAXT
: COOL
: HEAT
EVAPORATOR
Refrigerant pipe
9.53mm (3/8")
Refrigerant pipe
9.53mm (3/8")
Charging valve
Charging
Valve
ACCUMULATOR
ACCUMULATOR
STRAINER
COMPRESSOR
EXPANSION
VALVE
STRAINER
CONDENSER
CONDENSER
STRAINER
4-way
Valve
MUFFLER x 2
STRAINER
STRAINER
CAPPILLARY
TUBE
COMPRESSOR
PRESSURE
CHECK VALVE
PRESSURE
CHECK VALVE
HIGH
PRESSURE
SWITCH
HIGH
PRESSURE
SWITCH
Charging
Valve
Charging Valve
42005.10.11
CIRCUIT DIAGRAM
Model : AUY45FUAS
FM
WHITE
WHITE
WHITE
BLACK
RED
FAN MOTOR
FAN MOTOR
CAPACITOR
DRAIN PUMP
MOTOR
BLACK
BLACK YELLOW
YELLOW
BLACK BLACK
BLACK
BLACK
FLOAT
SWITCH
STEP MOTOR
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
1 1
1 1
1 1
1 1
11
1
1 1
1
1 1
1 1 11
1 11 1
111
1
1
1
2 2
2 2
2 2
2 2
2
2
22
2
2
22
2
2
2 2
2
2
2
2
2
2
3 3
3 3
3
333 3
3
3
3
3 3
3
3
4
4 4
4
5
5
5
5
5
5
BLACK
BLACK
BLACK
BLACK
BLACK
GRAY
GRAY
GRAY
GRAY
GRAY
WHITE
WHITE
WHITE
WHITE
YELLOWYELLOW
ORANGE ORANGE
BROWN
BROWN
RED
RED
RED
WHITE
GREEN
CN4 CN5
CN3
CN19
CN6
CN1
CN15 CN10
CN17
CN7 CN8
3
2
1
TERMINAL
2
1
3
TERMINAL
TO OUTDOOR UNIT
TO REMOTE CONTROL UNIT
POWER SUPPLY PCB BOARD
CONTROLER PCB BOARD
Use T3.15A-250V
Fuse on F101
L
N
52005.11.11
THERMAL
FUSE 102 C
Model : AOY45FMAXT
Model : AUY45UUAS
Model : AOY45UMAXT
62005.11.11
GRAY
U(T1)
W(T3)
V(T2)
BROWN
TO OUTDOOR UNIT
TERMINAL
1
2 3
FAN
MOTOR
DRAIN PUMP
MOTOR
FM
M
FLOAR
SWITCH
M
STEP MOTOR
FAN MOTOR
CAPACITOR
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
TERMINAL
TO REMOTE CONTROL UNIT
3 2 1
POWER SUPPLY PCB BOARD
L
N
RED
WHITE
BLACK
BLACK
BLACK YELLOW
YELLOW
BLACK
BLACK
BLACK
BLACK
WHITE
WHITE
WHITE
WHITE
YELLOW YELLOW
ORANGE
ORANGE
RED RED
BROWN BROWN
BLACK
WHITE
GREEN
BLACK
WHITE
RED
GRAY
GRAY
GRAY
GRAY
BLACK
BLACK
WHITE
BLACK
RED
CN7 CN8
CN5
CN6
CN3
CN15
CN1
CN10
CN17
CN4
CONTROLLER PCB BOARD
1
1
1
1
1
1 11
1 1
1 1
1
1
1
1
1
1
2
2
2
2
2
2 2
2
2
2
2
2
2
2
2
2 2
2
2 2
2 2 2 2
2 2
1
1
1 1
1 1
1 1
1
1
3 3
3
3 3
3
3 3
3 3
5 5
5 5 5 5
4 4 4
4
3
3
3 3
3
3
THERMAL
FUSE 102
Use T3.15A-250V
Fuse on F101
C
5V
R55
10K
<1/10W>
NC
C49
0.01
<F>
C44
0.1
<F>
X1
CSTS0500MG03-T
1
2
3
70
69
X1 X2
60
28
73
22
23
24
31
30
29
42
80
79
78
64
52
49
51
48
32
62
47
50
53
61
5
11
12
13
16
17
18
27
34
35
26
14
15
25
6
10
9
8
77
76
54
55
66
65
3
2
1
74
68
75
7
4
67
33
71
72
56
57
58
59
63
19
20
21
40
39
38
37
36
43
44
45
46
41
P10
P11
P70
P71
P72
P131
P46
P24
P23
P47
P57
P56
P50
P27
P26
P25
P22
P21
P20
P130
P00
P121
P36
P33
P01
P55
P34
P37
P35
P120
P03
P12
P13
P14
P66
P52
P53
P54
P45
P44
P43
XT1
P51
RESET
P65
P32
P31
P30
P67
P60
P61
P62
P63
P64
P42
P41
P40
P02
P127
P126
P125
P124
XT2
I C
VSS1
VSS0
AVSS
AVRF1
AVRF0
VDD1
VDD0
P04
P05
P123
P122
P17
P16
P15
5V
C19 - C21
0.01 <F> x 3
R15 - R17
10K <1/10W> x 3
R20 1.0K <1/10W>
R19 1.0K <1/10W>
R18 1.0K <1/10W>
12V
14V
+
I C2
7812
10K <1/10W> x 4
R59
R97
R98
R99
5V
C47
0.1
<F>
C15
0.1
<F>
+
C14
100/
6.3V
C13
0.1
<F>
I C3
7805
JM10
5V R29 - R32
10K <1/10W> x 4
R33 - R36
1.0K <1/10W> x 4
NC
C26 - C29
0.01 <F> x 4
5V
5V
CR6
0.01
<F>
R10 10K
<1/10W>
R9 390
<1/10W>
R12 1.0K
<1/10W>
SW2
DRS4016-5
C
1
8
4
2
5V
C17
0.01
<F>
C18
0.01
<F>
Q3
DTC124EKA
R13 10K
<1/10W>
I C9
TLP621
(D4) - GB
D8
D1F60
R11 56K
<1W>
SW1
DSS803
10K <1/10W> x 3
R39
R38
R37
AUTO RESTART
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
R42 1.0K <1/10W>
R40 1.0K <1/10W>
R41 1.0K <1/10W>
14V
14V
5V
R93 - R96
10K <1/10W> x 4
C10
0.01 <F> x 3
C12
C30
5V
K 4
R21 - R24
10K <1/10W> x 4
R25 - R28
1.0K <1/10W> x 4
I C5 (5/7)
uPA2003GR
I C5 (1/7)
uPA2003GR
C22 - C25
0.01 <F> x 4
I C11-1
BA10358
TEST
CN9
B5P-SHF-1AA
-
+
1
2
3
10
7
CN9-1
CN9-2
CN9-4
CN9-3
CN9-5
CN19-1
CR8
TA120033
K8
G5N-1A
CN19
B2P3-VH-B-R
RED
UL1015 AWG18 GRAY
+
-
SSR1
G3MC-202PL-VD
VA2 470V
<TNR>
JM8JM5
No.1
No.3
No.2
CN5 B3P5-VH-B WHITE
FAN MOTOR
C11
10/
25V
C54
0.01 <F>
SECONDARY
PRIMARY
C101
0.22
C105
0.022
<YE>
C106
0.022
<YE>
C103
0.01
<KH>
C104
0.01
<KH>
C102
0.22
SA101
RA-362M
VA101 470V
<TNR>
VA102 470V
<TNR>
TM102
TM101
E101
W103
W104
LF101
ELF20N018A
FH101
FH102
F101 3.15A <BET>
YELLOW
YELLOW
UL1015 AWG22 x 2
BLACK
BLACK
DRAIN PUMP
M
CN6 B2P3-VH-B-E BLUE
K4 G5NB-1A
CN6-2
CN6-1
C3 0.22 <RE>
R88 120 <1/2W>
+
R7
330
<1/4W>
C8
100/
6.3V
D1
D3SB60
C5
100/
450V
+
R2 1.5
<RSP2 - 2W>
Q2
2SC1815
R3 100
<1/10W>
Q1
2SC4236
R1 3.3
<RGGS - 5W>
R4 330K
<SPRH - 2W>
C6 4700P
<ECQM>
R5 62K
<RSP - 2W>
D5
1SR139-600
D10
1SR139-600
R6 100
<1/2W>
C7 0.047
<ECQB>
D2
D1FL20U
D4
D1FL20U
D3
MTZJ5.1B
D6
D2FL20U
SWITCHING TRANSFORMER
ZFT29B01
T1
C9
1000
/25V
R8 10K
<1/10W>
+
I O
G
I O
G
JM1
JM2
JM3
JUMPER
SETTING
CUSTOM CODE SWITCHING
POWER SOURCE
230V
50Hz
L
N
1
2
3
E
OUTDOOR UNIT
TERMINAL BOARD
UL1015 AWG18 BLACK
UL1015 AWG18 WHITE
GRAY
GRAY
CN3-1
CN3-2
THERMAL FUSE
CN3
53406-9910
UL1015
AWG16
GREEN
UL1015
AWG18
BLACK
UL1015 AWG18 WHITE
UL1015 AWG22 x 3
BLACK
WHITE
RED CN5-3
CN5-2
CN5-1
CN4-1
CN4-2
FAN CAPACITOR
8.0 uF
400V
CN4
B2P3-VH-B-Y YELLOW
UL1015 AWG20 x 2
WHITE
WHITE
F M
CN1 B2P3-VH-B-C BLACK
CN1-1
CN1-2
C45
0.1
<F>
5V
I C8
PST600C
2
3
1
CN15-1
CN15-3
CN15-2
UL1430 AWG22
UL1430 AWG22
CN15 B3B-XARK-1-A RED
BLACK
BLACK
FLOAT SWITCH
5V
0.01 <F> x 3
C31 C16 C43
RJ1 1.0K
<1/10W>
RJ2
10K
<1/10W>
NC
NC
NC
SW4
DSS803
5V
5V
C1 0.1
<F>
K 8
R81 1.0K <1/10W>
R71 1.0K <1/10W>
R72 1.0K <1/10W>
CR7
0.01
<F>
10K <1/10W>
x 3
R70 R69 R80
CR1 - CR4
10K <1/10W>
x 4
14V
5V
I C6 (4/7)
uPA2003GR
R67 1.0K
<1/10W>
R68 10K
<1/10W>
R52
10K
<1/10W>
R51 1.0K
<1/10W>
C40
0.01 <F>
5V
CR5
1000P
<R>
5V
+
BZ1
PKM13EPY-4000
B Z
C42
0.01
<F>
C41
10/
25V
R54 47
<1/10W>
R53 10K
<1/10W>
I C6 (2/7)
uPA2003GR
R56
R57 1.0K
<1/10W>
14V
I C6 (1/7)
uPA2003GR
12V
12V
12V
5V
5V
I C4 (7/7)
uPA2003GR
NC
NC
NC
NC
R60
10K
<1/10W>
R61
10K
<1/10W>
Q5
2SC2712
Q6
2SC2712
R63 15.4K
<1/10W>
(1%)
R62 4.7K
<1/10W>
(1%)
I C11-2
BA10358
R65 390 <1/10W>
D7
DA226U
-
+
7
5
6
2
3
1
1
2
3
7
10
2
3 1
BROWN
RED
ORANGE
YELLOW
WHITE
BROWN
RED
ORANGE
YELLOW
WHITE
UL1430 AWG28 x 5
CN10-1
CN10-5
CN10-4
CN10-3
CN10-2
14V
12V
R64 28K
<1/10W>
(1%)
CN10
B5B-XASK-1-A
TERMINAL BOARD
REMOTE CONTROL UNIT
3
2 1
UL1430 AWG22 WHITE
UL1430 AWG22 BLACK
UL1430 AWG22 RED
CN17-1
CN17-3
CN17-2
1
2
3
2
3
1
CN17 B3B-XAKK-1-A
L2 0.022
<DSS306>
L4 0.022
<DSS306>
L3 0.022
<DSS306>
R66 10K
<1/10W>
LOUVER
( UP / DOWN )
M
5V
5V
C38
0.01
<F>
R48
10K
<1/10W>
R49 1.0K
<1/10W>
Q4
DTC124EKA
R47 390
<1/10W>
5V
C37
0.1
<F>
CN14
B4B-XH-AM
HA
JEM-A
R45 49.9K
<1/10W>
(1%)
C34
0.1
<F>
R43 10K
<1/10W>
(1%)
5V
C39
0.1
<F>
I C7
BR93L46RF
R58 10K <1/10W>
R75 10K <1/10W>
R76 10K <1/10W>
R100 10K <1/10W>
10K <1/10W> x 3
R77 R78 R79
R50 10K <1/10W>
DO
D I
CK
CS GND
NC
NC
VCC
4
3
2
1 5
6
7
8
C32
1000P
<R>
C35
1000P
<R>
R44 1.0K
<1/10W>
R46 1.0K
<1/10W>
5V
CN8 B2B-XASK-1-A
CN7 B2B-XAKK-1-A BLACK
CN8-1 BLACK
CN8-2 BLACK
CN7-2 GRAY
CN7-1 GRAY
CN14-1
CN14-4
CN14-3
CN14-2
PIPE TEMPERATURE THERMISTOR
ROOM TEMPERATURE THERMISTOR
I C5 (1/7) uPA2003GR
14V
1
16
11
6
10
7
5
41213
9
2
15
3 14
16
1
8
No.3
No.1
No.2
FAN DELAY CHANGE
( HEATING OPERATION )
REMOTE TYPE CHANGE
No.3
No.1
No.2
FAN TYPE CHANGE
5
3
4
2 15
13
14
12
I C 1
11
161
6
8
9
11
12
13
14
15
2
3
4
5
6
uPD780058BGC
-108-8BT
POWER SUPPLY PCB
K01AL-040HWSE-P0
INDOOR PCB CIRCUIT DIAGRAM
Model : AUY45FUAS
CUSTOM CODE SWITCHING
CUSTOM CODE SWITCHING
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
K01AL-040SWSE-C1
72005.06.02
JP3 JP2 JP1
Remote control unit custom code switching
"with thermistor" type
EZ-098YHSE-R series
EZ-09503HSE-R series
weekly type
weekly type
weekly type
weekly type
weekly type
on on on
on
on
on
on
on
on
on
on
on
A (00)
B (01)
C (10)
D (11)
B (01)
C (10)
D (11)
A (00)
offoffoff
off off
off
off
off
off
off
off
off
Wireless
remote
control unit
Wired
remote
control unit
Jumper 1,2,3 setting
SW1-3 SW1-2 Correction
Room temp. heating correction
on
onoff
off
ononoff
off
1 ( -2 deg. )
3 ( +4 deg. )
2 ( o deg. )
0 ( +2 deg. )
SW1 & SW4
on off
SW Function
SW4-3
Remote control unit type change *1SW4-1
SW1-1
SW4-2
delay
reversal
on
---
no delay
normal
off
---
Fan delay change (heating operation)
Fan type change
Auto restart
*1
In the normal mode,
it works as EEPROM model information "wired / wireless switching" shows.
In the reversal mode, it reverses that information.
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