Fujitsu ARY25FUAA User manual

SPLIT TYPE
AIR CONDITIONER (50Hz)
DUCT type
Models Indoor unit Outdoor unit
ARY25FUAA
ARY25UUAA
AOY25FNAKL
AOY25UNAKL
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
OUTLINE AND DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . . . .
8
OUTDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . . .
9
DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
ERROR CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11

2004.07.22 1
SPECIFICATIONS
HIGH 1,160
FAN SPEED
INDOOR MED
1,060
(r.p.m.)
LOW 960
OUTDOOR 780
AIR FLOW
INDOOR
(m
3
/h)
1,050
OUTDOOR
INDOOR
OUTDOOR
3,200
DIMENSIONS
INDOOR 270 x 1,210 x 700
H x W x D (mm)
(m)
OUTDOOR 650 x 830 x 320
WEIGHT 43 / 58
58 / 62 59 / 63
MAX PIPE LENGTH / HEIGHT 25 / 15
REMOTE CONTROLLER TYPE WIRED
NET / GROSS
HEATING CAPACITY
POWER SOURCE (V)
FREQUENCY (Hz)
RUNNING CURRENT (A)
COOLING
HEATING
INPUT WATTS (kW)
COOLING
HEATING
E.E.R. (kW / kW) COOLING
HEATING 3.30
MOISTURE REMOVAL ( /hr)
ARY25FUAA ARY25UUAA
AOY25FNAKL AOY25UNAKL
7.05 7.00
------
------
------
------
7.70
TYPE COOLING COOLING & HEATING
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY (kW)
(kW)
230
50
ELECTRICAL DATA
COMPRESSOR
TYPE
DISCRIMINATION
REFRIGERANT R410A (g)
Hermetic type, 2 pole, Single phase,
Induction motor, Rotary
11.5 11.8
10.5
2.60 2.65
2.33
2.71 2.64
STARTING CURRENT (A) 60
2.5
5JS290DAA
1,550 2,000
(kg)
Note : The above list shows values at the external static pressure of
98Pa (10mm Ag), setting the fan speed high notch.
Note : The above list shows values at the external static pressure of
98Pa (10mm Ag), setting the fan speed high notch.

2004.06.14 2
ARY25FUAA ARY25UUAA
AOY25FNAKL AOY25UNAKL
TYPE COOLING COOLING & HEATING
INDOOR UNIT
OUTDOOR UNIT
7.5 m
(24 ft.)
10 m
(33 ft.)
15 m
(49 ft.)
20 m
(66 ft.)
25 m
(82 ft.)
20 g / m
(0.7 oz / 3.3 ft.)
1,550 g (54.7 oz)
1,600 g (56.4 oz)
1,700 g (60.0 oz)
1,800 g (63.5 oz)
1,900 g (67.0 oz)
2,000 g (70.6 oz)
2,100 g (74.1 oz)
2,300 g (81.1 oz)
2,500 g (88.2 oz)
2,700 g (95.2 oz)
40 g / m
(1.4 oz / 3.3 ft.)
Additional refrigerant
FULL CHARGE AMOUNT
REFRIGERANT CHARGE
INDOOR UNIT
HI-SPEED
(dB)
(dB)
39
MED-SPEED
(dB)
37
LO-SPEED
(dB)
35
53
OUTDOOR UNIT
NOISE LEVEL
COOL 53 / HEAT 54
Note : Static pressure : 100Pa
Duct length : Inlet 1m, Outlet 2m
PIPE LENGTH

197
46996
4066 184
68
382
243
196
126
700
141
139 83 264
1,177
1,063
1,135
264 264
270
96
58
26
26
117
220
200
75
42
205
Unit : mm
DIMENSIONS
Models : ARY25FUAA
ARY25UUAA
2004.06.14 3
INDOOR UNIT

Unit : (mm)
Models : AOY25FNAKL
AOY25UNAKL
2004.07.16 4
OUTDOOR UNIT
Air flow
Bottom
603
343
350
830
650
12
320

CIRCUIT DIAGRAM
Model : ARY25FUAA
2004.06.14 5
Model : AOY25FNAKL

Model : AOY25UNAKL
2004.07.16 6
Model : ARY25UUAA

REFRIGERANT SYSTEM DIAGRAM
Cooling
: Flare coupling
Models : ARY25FUAA / AOY25FNAKL
Models : ARY25UUAA / AOY25UNAKL
Strainer
Refrigerant pipe
15.88 mm (5/8")
Refrigerant pipe
9.52 mm (3/8") Capillary tube
Charging valve
Compressor
OUTDOOR UNITINDOOR UNIT
Evaporator Condenser
Evaporator
Refrigerant pipe
15.88mm(5/8")
Refrigerant pipe
9.52mm(3/8")
INDOOR UNIT
Strainer
Strainer
Charging valve
4-Way
valve
Compressor
Capillary
tube
OUTDOOR UNIT
Condenser
Distributor
Muffler
Accumulator
2004.06.10 7

SU MO TU WE TH FR SA
(1) Stop the air conditioner operation.
(2) Press the master control button and the fan control button simultane-
ously for 2 seconds or more to start the test run.
Unit number (usually 0)
Error code
(3) Press the start/stop button to stop the test run.
[SELF-DIAGNOSIS]
When the error indication E:EE is displayed, follow the following items
to perform the self-diagnosis. E:EE indicates an error has occurred.
1. REMOTE CONTROLLER DISPLAY
1) Stop the air conditioner operation.
2) Press the set temperature buttons simultaneously for 5 sec-
onds or more to start the self-diagnosis.
Refer to the following tables for the description of each error code.
Test run display
(3) Press the set temperature buttons simultaneously for 5 sec-
onds or more to stop the self-diagnosis.
Ex. Self-diagnosis
Room temperature sensor open
Room temperature sensor short-circuited
Indoor heat exchanger temperature sensor open
Indoor heat exchanger temperature sensor short-
circuited
Outdoor heat exchanger temperature sensor open
Outdoor heat exchanger temperature sensor short-
circuited
Power source connection error
Float switch operated
Outdoor temperature sensor open
Outdoor temperature sensor short-circuited
Discharge pipe temperature sensor open
Discharge pipe temperature sensor short-circuited
Outdoor high pressure abnormal
Discharge pipe temperature abnormal
Model abnormal
Indoor fan abnormal
Outdoor signal abnormal
Outdoor EEPROM abnormal
02
03
04
05
06
07
08
09
0A
0b
0c
0d
0E
0F
11
12
13
14
2. OUTDOOR UNIT LEDS
When the outdoor temperature drops, the outdoor units fans may switch
to low speed.
ERROR : HEAT & COOL MODEL (REVERSE CYCLE) ONLY
The LED lamps operate as follows according to the error contents.
Error display
LED1 LED2 Error contents
When the fault is cleared, the LED lamp goes off.
However, for discharge pipe temperature abnormal and high pressure
abnormal, the LED lamp lights continuously for 24 hours, as long as the
power is not turned off.
0. 1 s ec .
O F F
O N
0. 1 s ec .
O F F
O N
Quick flash continued Quick flash continued
Model abnormal or
EEPROM abnormal
0. 5 s ec .
2 s ec .
O F F
O N
O F F
O N
1 quick flash repeated Lighting continued
Power source
connection error
0. 5 s ec .
2 s ec .
O F F
O N
O F F
O N
2 quick flash repeated Lighting continued
Discharge tempera-
ture sensor error
0. 5 s ec .
2 s ec .
O F F
O N
O F F
O N
3 quick flash repeated Lighting continued
Outdoor heat
exchanger tempera-
ture sensor error
Error code Error contents
Communication error
(indoor unit remote controller)
Communication error
(indoor unit outdoor unit)
00
01
4 quick flash repeated Lighting continued Outdoor temperature
sensor error
5 quick flash repeated Lighting continued Communication signal error
6 quick flash repeated Lighting continued Indoor unit error
7 quick flash repeated Lighting continued Discharge temperature
abnormal
8 quick flash repeated Lighting continued High pressure abnormal
ERROR CONTENTS
2004.06.10 8

5V
5V
5V
R50 10K
<1/10W>
R41 1.0K <1/10W>
R49 10K
<1/10W> R43
10K
<1/10W>
R44
10K
<1/10W>
JM4
14V I C5 (7/7)
uPA2003GR
9
8
7
6
5
4
3
2
1
10
11
12
13
14
15
16
59
58
57
56
55
54
53
52
71
14
15
40
36
37
38
39
62
61
51
47
48
49
72
35
31
32
34
18
64
60
3
69
X2
2
70
1
X1
17
16
13
12
41
42
43
44
50
63
19
20
21
22
23
24
29
26
27
28
9
8
25
30
46
45
33
67
4
7
75
68
74
10
11
6
5
3
2
1
77
76
78
79
80
73
66
65
P04
P05
P07
P14
P13
P12
P10
P11
P127
P126
P125
P124
P123
P122
P121
P120
I C
P23
P24
P64
P60
P61
P62
P63
P01
P00
P37
P33
P34
P35
XT2
P57
P54
P55
P56
P27
P03
RESET
P26
P25
P22
P21
P65
P66
P67
P30
P36
P02
P45
P44
P43
P42
P41
P40
P51
P50
P47
P52
P71
P70
P46
P53
P32
P31
VSS1
VSS0
AVSS
AVRF1
AVRF0
VDD1
VDD0
P20
P72
P131
P130
P17
P16
P15
C16
0.1
<F>
C15
0.1
<F>
C14
0.1
<F>
R62 - R64
10K <1/10W> x 3
R57
R59
R58
1.0K <1/10W> x 3
JM1
JM3
JM2
5V
10K <1/10W> x 3
R3 R2 R1
Fan delay change (heating operation)
Room temp. revise (cooling)
Commercial mode
5V
C8
0.1
<F>
C9
0.1
<F>
R65
10K
<1/10W>
R66
49.9K
<1/10W>
R60 1.0K
<1/10W>
R61 1.0K
<1/10W>
14V
CN8
B2B-XASK-1-A WHITE
CN7
B2B-XAKK-1-A BLACK
BLACK
BLACK
GRAY
GRAY
1
2
1
2
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
6
7
8
+C40
0.01
<F>
C2
10/
25V
12V
C41
1000P
<R>
R42 47
<1/10W>
12V
R68
15.4K
<1/10W>
R69
28K
<1/10W>
R70 10K
<1/10W>
12V
D2
DA226U D3
D1FS4A 1
2
3
1
2
1
2
1
2
3
5V
5V
C13
0.1
<F>
R39
10K
<1/10W>
R40 1.0K
<1/10W>
C36
0.01
<F>
R80
10K
<1/10W>
R79 1.0K
<1/10W>
C37
0.01
<F>
C12
0.1
<F>
C10
0.1
<F> 1
2
3
5V
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
LOUVER ( U / D )
LOUVER ( R / L )
CN11
B5B-XASK-1-A WHITE
CN11
B5B-XARK-1-A RED
INDICATOR
CN13
B8B-XASK-1-A WHITE
CN6 B3B-XAKK-1-A BLACK
REMOTE CONTROL UNIT
14V
14V
CN14 B02B-PAMK-1 GREEN
FRESH AIR
CN15 B02B-PAOK-1 ORANGE
HEATER TERMINAL BOARD
REMOTE CONTROL UNIT
EARTH WIRE
1
2
3
UL1430 AWG22 BLACK UL1430 AWG22 WHITE UL1430 AWG22 RED
710
I C3 (1/7)
uPA2003GR
CN9 B3B-XARK-1-A RED
FLOAT SWITCH
CN10 B3P-VH-B WHITE
FEED BACK
5V
C11
0.1
<F>
R72
10K
<1/10W>
D1
DAN202K
I C9
BD4742G
1
2
3
4
5VCC
VOUT
GND
SUB
NC
X1
CSTS0500MG03-T
5V
R47 10K
<1/10W>
R46 10K
<1/10W>
R45 10K
<1/10W> I C7
BR93LC46
R48 10K
<1/10W>
CS VCC
SK
D I
NC
DO
NC
GND
1
2
3
65
7
4
8
NC
14V I C3 (3/7)
uPA2003GR
9
8
14
13
15
2
3
4
611
I C3 (1/7)
uPA2003GR R67 390
<1/10W>
I C6-1
BA10393F
R71
10K
<1/10W>
I C6-2
BA10393F
1
76
5
2
3
+
+
-
-
5V
C39
0.01
<F>
R4 1.0K <1/10W>
R5 1.0K <1/10W>
R6 1.0K <1/10W>
TERMINAL BOARD
OUTDOOR UNIT
FAN
MOTOR
1
3
2(N)
FAN CAPACITOR
5uF 440V
5V
SW3
5 1
2
3
4
C1
2
4
8
R25 R26 R27 R28
10K <1/10W> x 4
R21 - R24
1.0K <1/10W> x 4
C26
0.1
<F>
C24
0.1
<F>
C25
0.1
<F>
C27
0.1
<F>
5V
C28 - C31
0.01 <F> x 4
R33 - R36
1.0K <1/10W> x 4
10K <1/10W> x 4
R29 R30 R32R31
1
2
3
4
5
CN3
TEST
B5P-SHF-1AA
WHITE
CN109
B2P3-VH-B-E
BLUE
DRAIN PUMP
K102
G5SB-14
DC12V
CN108
B2P3-VH-B-Y
YELLOW
FAN
CAPACITOR
12
12
1
3
4
2
14V
K104
G5N-1A
CR101
120/0.2
CN106
B10B-PASK-1 WHITE
CN2
B10B-PASK-1 WHITE
14V
R37 1.0K
<1/10W>
R38 1.0K
<1/10W>
I C3 (1/7)
uPA2003GR
12 5
BZ1
B Z
C32
0.01
<F>
5V
Q2
DTC124EKA
R77 10K
<1/10W>
R78 390
<1/10W>
C33
0.01
<F>
14V
I C2 (6/7)
uPA2003GR 9
8
611
4
2
15
13
5
3
1
16
14
12
8
13 4
15 2
16
14
1
3
9
14V
5V
C38
0.01
<F>
R53
10K
<1/10W>
5V
5V
SECONDARY
PRIMARY
C112
0.1
<F>
5V
12V
+
C111
10/
25V
C102
0.22 <RE>
C103
0.01
<F>
C104
0.01
<F>
LF101
ELF17N015A
C105
0.01
<F>
C106
0.01
<F>
C101
0.22 <RE>
VA101 470V
<TNR>
FH102
FH101
F101
3.15A
<BET>
E101
CN101
B2P3-VH-B-C
BLACK
12
AC I N
L N
K101
G5SB-14
DC12V
VA104
470V
<TNR>
SSR101
G3MC
+
-
3
4
2
1
14V
K102
K103
K101
I NT
SSR
K104
10
9
8
7
6
5
4
3
2
1
UL1014 AWG22 BLUE
UL1014 AWG22 PURPLE
UL1014 AWG22 WHITE
UL1014 AWG22 BLACK UL1014 AWG22 RED UL1014 AWG22 PINK
UL1015 AWG20 WHITE UL1015 AWG20 WHITE
FAN MOTOR
CN107
B6P11-VH-B
WHITE
123
4
5
6
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
RELAY DRIVE
1
2
10
9
8
7
6
5
4
3
1
2
1
2
I C4 (4/7)
uPA2003GR
Q1
DTA143
R54 180
<1/10W>
C34
0.01
<F>
R55
10K
<1/10W>
R56 1.0K
<1/10W>
I C2 (1/7)
uPA2003GR
10 7
1
16
C35
0.01
<B>
I C3 (1/7)
uPA2003GR
5V
R75 10K
<1/10W>
R76 10K
<1/10W>
1
2
+
5V
5V
C1
100/6.3V C3 0.1
<F>
R73
10K
<1/10W>
R74 1.0K
<1/10W>
C17 - C20
0.1 <F> x 4
5V
C42 0.1 <F> C43 0.1 <F>
C4 0.1 <F>
SW1
5V
5V
12V
14V
SW2
1
2
3
4
3
2
1
4
5
6
1
2
3
4
CN105
B04B-PASK-1
WHITE
14V
12V
4
3
1
2
D101
D2SB20
K103
G5SB-14
DC12V
TRANS ( PRI )
CN103
B2P3-VH-B-R RED
2
1JM103
UL1015 AWG22 PURPLE UL1015 AWG22 PURPLE
UL1430 AWG22 RED
UL1430 AWG22 RED 2
1
TRANS ( SEC )
CN104
B2B-XARK-1-A RED
14V
Q101
2SD1932
1
2
3
1
2
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
DC SUPPLY
CN1
B04B-PASK-1
WHITE
EX. I N
EX. OUT
14V
1
2
8
7
6
5
4
3
SW1-3 Remote controller custom
2
1
SW1-4 Remote controller custom
SW1-1 Fanchanger
SW1-2 Fanchanger
FAN SWITCHING
FAN SWITCHING
C21 - C23
0.1 <F>
x 3
R15 - R17
10K <1/10W> x 3
R11 - R14
10K <1/10W> x 3
R18 - R20
1.0K <1/10W> x 3
R7 - R10
1.0K <1/10W> x 4
SW2-3 Auto restart
SW2-2 Ex. signal function changer
SW2-1 Room temp. revise (heating)
CN105
B2B-XH-AM
WHITE
CN114
B3B-XH-AM
WHITE
+
FL101
BL02RN1
EX. SIGNAL
CN106
B02B-PAKK-1
BLACK
EX. SIGNAL
CN5
B02B-PAKK-1
BLACK
C114
0.01
<B>
CN4
B02B-PARK-1
RED
PC103
TLP621
<GB>
PC102
TLP621
<GB>
FL102
BL02RN1
R108 330 <1/4W>
I C101
NJM7805
I C102
NJM7812
O I
G
O I
G
R102
10K
<1/4W>
C107
1000
/50V
+
R103
1.0K
<1/2W>
C108
10/
25V
+D102
MTZ
J15C
C109
10/25V
R107 330 <1/4W>
5V
NEW SERIAL
CN16
B02B-PASK-1
WHITE
VA102
470V
<TNR>
SA101
RA-362M
UL1015 AWG18 BLACK UL1015 AWG18 WHITE UL1015 AWG20 RED
UL1015 AWG16 GREEN
POWER TRANSFORMER
EZ-0970WWE-T
I C 1
PC103
TLP621
<GB> 5V
K108
R106 10K
<1/4W>
C113
0.01
<B>
R105 1.0K
<1/4W>
PC101
TLP621
<GB>
D104
1SR139-600
R104 56K
<RS-1W>
12
K108
G5N-1A
CR104
120/0.2
uPD780058BGK
-A23-9EU
POWER SUPPLY PCB
K03CA-0401WSE-P0 CONTROLLER PCB ASSEMBLY ( MAIN PCB )
K03BZ-0403WSE-C1
INDOOR PCB CIRCUIT DIAGRAM
Model : ARY25FUAA
2005.04.14 9
SW1-3 SW1-4 Wired remote controller
JP
Remote controller custom code switching
SW1 & SW2
Delay
off
+2 deg.
commercial
Function
Commercial mode
on
o deg.
normal
No delay
Fan delay change (heating operation) JP3
Room temp. revise (cooling)
on
on off
off
on
on
off
- -
off
SW1-1 Fan changer
on offSW Function
SW2-3
Room temp. revise (heating)SW2-1
SW1-2
SW2-2
not auto
0 deg.
-
pulse
auto
+4 deg.
-
edge
Auto restart
Ex. signal function changer
Fan changer
weekly type
EZ-09503HSE-R series
EZ-098YHSE-R series
"with thermistor" type
Wireless
B type
D type
C type
A type
JP
JP1
JP2
Functions were checked by Mr. Nakajima on Apr.14.2005.