Fuji Electric RC-25FA User manual

SPLIT TYPE
AIR CONDITIONER
CASSETTE TYPE (50Hz)
Indoor unit Outdoor unit
RC-25FA RO-25FA
RC-25UA RO-25UA
RC-25FA RO-25FB
RC-25UA RO-25UB
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . .1
OUTLINE AND DIMENSIONS. . . . . . . . . . 2
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . .
4REFRIGERANT SYSTEM DIAGRAM . . . .
5
INDOOR PCB CIRCUIT DIAGRAM. . . . . .7
OUTDOOR PCB CIRCUIT DIAGRAM. . . .9
DISASSEMBLY ILLUSTRATION . . . . . . .11
PARTS LIST. . . . . . . . . . . . . . . . . . . . . . .19
ACCESSORIES . . . . . . . . . . . . . . . . . . . 22
ERROR CONTENTS . . . . . . . . . . . . . . . .10

2006.03.31 1
SPECIFICATIONS
HIGH
490 r.p.m.
FAN SPEED
INDOOR MED
430 r.p.m.
(r.p.m.)
LOW
360 r.p.m.
OUTDOOR
780 r.p.m.
AIR FLOW
INDOOR
1,100 m3/h
OUTDOOR
INDOOR
OUTDOOR
3,200 m3/h
DIMENSIONS
INDOOR
246 x 830 x 830 mm
GRILLE
35 x 940 x 940 mm
H x W x D
OUTDOOR
650 x 830 x 320 mm
WEIGHT 34 kg / 44 kg
58 kg / 62 kg 59 kg / 63 kg
MAX PIPE LENGTH / HEIGHT 25 m / 15 m
REMOTE CONTROLLER TYPE WIRED
PIPE LENGTH 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 CHARGE
FULL CHARGE
AMOUNT
ADDITIONAL REFRIGERANT CHARGE (R410A)
NET / GROSS
HEATING CAPACITY
POWER SOURCE
FREQUENCY
RUNNING CURRENT
COOLING
HEATING
INPUT WATTS
COOLING
HEATING
E.E.R.
COOLING
HEATING 3.32 kW / kW
MOISTURE REMOVAL
RC-25FA RC-25UA
RO-25FA
RO-25FB
RO-25UA
RO-25UB
7.05 kW 7.00 kW
------
------
------
------
7.80 kW
TYPE COOLING COOLING & HEATING
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY
230 V
50 Hz
ELECTRICAL DATA
COMPRESSOR
TYPE
DISCRIMINATION
REFRIGERANT R410A
Hermetic type, 2 pole, Single phase,
Induction motor, Rotary
11.5 A 11.8 A
10.5 A
2.60 kW 2.65 kW
2.35 kW
2.71 kW / kW 2.64 kW / kW
STARTING CURRENT 60 A
2.5 L/hr
5JS290DAA
1,550 g 2,000 g

OUTLINE AND DIMENSIONS
305.5
298.5
248.5
200
60 (Drain pipe) 100 (Small pipe) 70 (Large pipe)
305.5
298.5
248.5
235
60 (Drain pipe)
Drain inside Dia. ø32
outside Dia. ø37
100 (Small pipe) 70 (Large pipe)
246
830
830
Models : RC-25FA, RC-25UA
Unit : (mm)
2006.03.31 2
940 30
940

Models :
RO-25FA, RO-25UA
RO-25FB, RO-25UB
OUTDOOR UNIT
Unit : mm
Air flow
Bottom
603
343
350
320
830
650
12
2006.03.31 3

REFRIGERANT SYSTEM DIAGRAM
Cooling Heating
: Flare coupling
Models :
RC-25FA / RO-25FA
RC-25FA / RO-25FB
Models :
RC-25UA / RO-25UA
RC-25UA / RO-25UB
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
2006.03.31 4

CIRCUIT DIAGRAM
to outdoor unit
to indoor unit
Main relay
Internal
overload
protector
Compressor
capacitor
Outdoor
thermostat
CR composite
Connector
Thermal
protector
Fan motor
Compressor
Fan motor capacitor
to power supply
Fan motor
Fan motor
capacitor
Drain pump
motor
Thermistor
(pipe temp.)
Thermistor
(room temp.)
Stepping
motor
to remote
control unit
Controller
PCB
FM
M
Terminal
Terminal
Filter board
2006.03.31 5
Models :
RC-25FA / RO-25FA
RC-25FA / RO-25FB

Models :
RC-25UA / RO-25UA
RC-25UA / RO-25UB
to outdoor unit
Fan motor
capacitor
Fan motor
Drain pump
motor
Float switch
Stepping
motor
FM
M
Terminal
to indoor unit
to power supply
Fan motor
Controller
PCB
Solenoid
coil
4WV
Fan motor
capacitor
Belt heater
Transformer
Compressor
Compressor
capacitor
Main
relay
Controller
PCB
Filter board
Terminal
to remote
control unit
Thermistor
(pipe temp.)
Thermistor
(room temp.)
Thermistor
(discharge temp.)
Thermistor
(outdoor temp.)
Thermistor
(pipe temp.)
F M
2006.03.31 6

12V14V
PRIMARY SECONDARY
C54 0.01 <F>
+
+
SWITCHING TRANSFORMER
T1
ZFT29B01 D6
D2FL20U
IC2
7812
7805
IC3
C8
100/6.3V
C9
1000
/25V
R8 10K <1/10W>
+
R6 100
<1/2W>
C7 0.047
<ECQB>
D2
D1FL20U
D4
D1FL20U
D3
MTZJ5.1B
R7 330
<1/4W>
5V
R15-R17
10K <1/10W> x 3
JM1
JM2
JM3
REMOTE CONTROL
CUSTOM CODE SWITCHING (R1)
REMOTE CONTROL
CUSTOM CODE SWITCHING (R2)
I
GO
IO
G
C11
10/
25V
C13
0.1
<F>
C14
100/
6.3V
+C15
0.1
<F>
C47
0.1
<F>
5V
1
2
3
52
54
55
66
65
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
50
1
70 69 3
2
60
73
22
23
24
42
80
79
78
62
53
61
32
47
48
49
51
52
5
11
12
13
16
17
18
27
64
34
35
26
14
15
25
6
10
9
8
31
30
29
28
77
76
P15
P16
P17
P120
P122
P123
P05
P04
VDD0
VDD1
AVRF0
AVRF1
AVSS
VSS0
VSS1
I C
XT2
P124
P125
P126
P127
P02
P40
P41
P42
P64
P63
P62
P61
P60
P67
P30
P31
P32
P65
P36
X1 X2
XT1
RESET
P45
P44
P43
P66
P14
P13
P12
P01
P121
P00
P55
P33
P34
P35
P37
P120
P130
P20
P21
P22
P25
P26
P27
P50
P03
P56
P57
P47
P23
P24
P46
P131
P72
P71
P70
P54
P53
P52
P51
P11
P10
I C 1
uPD780058BGC
-108-8BT NC
NC
NC
NC
NC
NC
JM10
5V
CR6
0.01
<F>
C17
0.01
<F> Q3
DTC124EKA
R10 10K
<1/10W>
R9 390
<1/10W>
C26-C29
0.01 x 4
<F>
C18
0.01
<F>
5V
5V
R12 1.0K
<1/10W>
R13 10K
<1/10W>
R11
56K
<1W>
D8
D1F60
IC9
TLP621
(D4)-GB
SSR1
G3MC-202PL-VD DC12V
VA2
470
<TNR>
14V
+
-
14V
K 4
5V
R21-R24
10K <1/10W> x 4
IC5 (1/7)
uPA2003GR
IC6 (1/7)
uPA2003GR
CR8
TA120C33
K8
G5N-1A
CN19
B2P3-VH-B-R
RED
CN19-1
UL1015 AWG18 GRAY
OUTDOOR UNIT
E
3
2
1
TERMINAL BOARD
FAN MOTOR
UL1015 AWG18 BLACK
UL1015 AWG18 WHITE
UL1015 AWG22 BLACK
UL1015 AWG22 WHITE
UL1015 AWG22 RED
CN5
B6P11-VH-B
WHITE
CN5-3
CN4-2
CN5-1
CN5-2
CN4-1
UL1015 AWG20 WHITE
UL1015 AWG20 WHITE
UL1015 AWG16 GREEN
CN4
B2P3-VH-B-Y YELLOW
UL1015 AWG18 WHITE
UL1015 AWG18
BLACK
FAN CAPACITOR
440V 6uF
CN1-1
CN1-2
CN1
B2P3-VH-B-C BLACK
W103 W104 POWER SUPLLY PCB
SW1
DSS803
NO.1
NO.2
NO.3
E101
TM102
SA101
RA-362M
LF101
ELF20N018A
VA101
470
<TNR>
VA102
470
<TNR>
TM101 FH101 FH102
F101
3.15A
<BET>
N
L
5V 5V
5V
R51 1.0K
<1/10W>
R52
10K
<1/10W>
R60
10K
<1/10W>
R61
10K
<1/10W> 12V
R62 4.7K
<1/10W>
Q5
2SC2712
Q6
2SC2712
12V
IC6 (1/7)
uPA2003GR
12V
D7
DA226U
5V
IC11-1
BA10358
IC11-2
BA10358
R66 10K <1/10W>
R65 390
<1/10W>
CR1-CR5
10K <1/10W> x 5
710
+
-
-
+
R63
15.4K (1%)
<1/10W>
R64
28.0K (1%)
<1/10W>
12V
L2
L4
L3
CN17-1
CN17-3
CN17-2
5
3
1
12
14
16
4
2
8
915
13
14V
14V
K 8
IC6 (5/7)
uPA2003GR
14V
CN10
B5B-XASK-1-A UL1430 AWG28
CN10-1
CN10-5
CN10-4
CN10-3
CN10-2
BROWN
RED
ORANGE
YELLOW
WHITE
BROWN
RED
ORANGE
YELLOW
WHITE
M
LOUVER
( UP / DOWN )
CN17
B3B-XAKK-1-A
BLACK
REMOTE
CONTROL UNIT
EZ-099CWSE-R
TERMINAL BOARD 3 2 1
UL1430 AWG22 RED
UL1430 AWG22 WHITE
UL1430 AWG22
BLACK
BLACKUL1430 AWG22
BLACK
UL1430 AWG22
FLOAT SWITCH
5V
C45
0.1
<F>
IC8
PST600C
5V C49
0.01
<F>
2
3
1
C44
0.1
<F>
R55 10K
<1/10W>
X1 CSTS0500MG03-T
CN9
B5P-SHF-1AA
TEST
CN9-1
CN9-5
CN9-4
CN9-3
CN9-2
6
7
11
10
9
11 6
12 5
4
13
3
2
14
15
8
IC5 (5/7)
uPA2003GR
R25-R28
1.0K <1/10W> x 4
C22-C25
0.01 x 4
<F>
5V
R93-R96
10K <1/10W> x 4
C30
0.01
<F>
C10
0.01
<F>
C12
0.01
<F>
R41 1.0K <1/10W>
R40 1.0K <1/10W>
R42 1.0K <1/10W>
R39 10K <1/10W>
R37 10K <1/10W>
R38 10K <1/10W>
C101
0.22
<RE-C>
C106
0.022
<YE>
C105
0.022
<YE>
C104
0.01
<F>
C103
0.01
<F>
DRAIN PUMP M
YELLOW
YELLOW BLACK
BLACK
UL1015 AWG22
UL1015 AWG22
CN6-1
CN6-2
K4 G5NB-1A DC12V
C3 0.22 <RE>
R88 120 <1/2W>
CN6
B2P3-VH-B-E BLUE
R2 1.2
<RSP2-2W>
+
C5
100/
450V
D1
D3SB60
Q2
2SC1815
R3 100
<1/10W>
Q1
2SC4236
R1 3.3
<RGGS-5W>
R4 330K
<SPRH-2W>
R5 62K <RSP2-2W>
C6
4700P
<ECQM>
D5
1SR139-600
D10
1SR139-600
CN3
53406-9910
CN3-1
CN3-2
GRAY
GRAY
THERMAL FUSE
8
4
2
1C
SW2
DRS4016-5
R29-R32
10K <1/10W> x 4
R33-R36
1.0K <1/10W> x 4
5V
R59 R97 R98 R99
10K <1/10W> x 4
C19-C21
0.01 x 3 <F>
R20 1.0K <1/10W>
R19 1.0K <1/10W>
R18 1.0K <1/10W>
5V
4
3
2
1
8
7
6
5
D0
D1
CK
CS
VCC
NC
NC
GND
R77-R79
10K <1/10W> x 4 IC7
BR93LC46RF
R50 10K <1/10W>
C39
0.1
<F>
C37
0.1
<F>
C34
0.1
<F>
R43
10K (1%)
<1/10W>
R45
49.9K (1%)
<1/10W>
R44 1.0K
<1/10W>
R46 1.0K
<1/10W>
C32
1000P
<R>
C35
1000P
<R>
5V
5V
R58 R75 R76 R100
10K <1/10W> x 4
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
CN8
B2B-XASK-1-A
CN8
B2B-XAKK-1-A
BLACK
CN8-1 BLACK
BLACK
CN8-2
CN7-2
CN7-1
GRAY
GRAY
5V
5V
C38
0.01
<F>
R48
10K
<1/10W>
R49 1.0K
<1/10W>
C1
0.1
<F>
R68 10K
<1/10W>
CR7
0.01
<F>
R67 1.0K
<1/10W>
Q4
DTC124EKA
5V
R47 390
<1/10W>
CN14
B4B-XH-AM
CN14-3
CN14-2
CN14-1
CN14-4
HA
JEM-A
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
ZONE CONTROL
SWITCHING
IC5 (1/7)
uPA2003GR
IC4 (7/7)
uPA2003GR
14V
1
3
5
7
1 16
10
12
14
16
2
4
611
13
15
9
8
CN15-1
CN15-3
CN15-2
CN15
B3B-XARK-1-A
RED
5V
NO.3
NO.2
NO.1
ROOM TEMPERATURECORRECTION
( COOLING OPERATION )
INDOOR ROOM FAN SWITCHING
NO.3
NO.1
NO.2 INDOOR ROOM FAN SWITCHING
RJ1 1.0K
<1/10W>
RJ2 1.0K
<1/10W>
0.01 <F> x 3
C31 C16 C43
R81 1.0K <1/10W>
R71 1.0K <1/10W>
R72 1.0K <1/10W>
SW4
DSS803
10K <1/10W> x 3
R70 R69 R80
POWER SOURCE
230V
50Hz
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
K01AL-0401WSE-C
Model : RC-25FA
F M
UL1015 AWG22 BLUE
UL1015 AWG22 PURPLE
JM5
K1
GDS-1 12V
K3
GDS-1 12V
CN5-5
CN5-6
L
H
M
CN16-1
CN16-3
CN16-2
UL1430 AWG22
RED
BLACK
WHITE F M
FEED BACK
CN16
B3P-VH-B
INDOOR PCB CIRCUIT DIAGRAM
2006.03.31 7

FLOAT SWITCH
FEED BACK
REMOTE CONTROL UNIT
EZ-0015HSE-R
5V
5V
C45
0.1
<F>
CN15
B3B-XARK-1-A
RED
CN15-1
CN15-3
CN15-2
UL1430 AWG22 BLACK
UL1430 AWG22 BLACK
NO.3
NO.2
UL1430 AWG22 BLUE
UL1430 AWG22 GRAY UL1430 AWG22 PURPLE
F M
SW4
DSS803
CN16
B3B-VH-B
WHITE
TERMINAL
BOARD 32 1
CN16-1
CN16-3
CN16-2
C1
0.1
<F>
C49
0.01
<F>
IC8
PST
600C
1
3
2
3
1
2
70 69
X1 CSTS0500MG03-T
C44
0.1
<F>
5V
R55 10K
<1/10W>
RJ1 1.0K
<1/10W>
RJ2 1.0K
<1/10W>
0.01 <F> x 3
C31 C16 C43
NC
NC
NC
R81 1.0K <1/10W>
R72 1.0K <1/10W>
R71 1.0K <1/10W>
CR2-CR5
10K <1/10W> x 4
R67 1.0K
<1/10W>
CR7
0.01
<F>
R92 10K
<1/10W>
Q5
2SC2712
10K <1/10W> x 3
R70 R69 R80
5V
5V
5V
R68 10K
<1/10W>
12V
D7
DA226U
R66
10K
<1/10W>
Q7
2SC982
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
FAN SWITCHING
FAN SWITCHING
ROOM TEMPERATURE CORRECTION
( COOLING OPERATION )
ZONE CONTROL SWITCHING
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
ROOM TEMPERATURE CORRECTION
( HEATING OPERATION )
POWER SUPPLY PCB
I C 1
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
K01AL-0400HSE-C1
5V
12V
+
NC
C19 - C21
0.01 x 3 <F>
R20 1.0K <1/10W>
R19 1.0K <1/10W>
R18 1.0K <1/10W>
14V
IC2
7812
5V
IC3
7805
C11
10/
25V
IO
G
IGO
C54
0.01 <F>
10K <1/10W> x 4
R99
R98R97
R59
5V
JM10
NC
C47
0.1
<F>
C15
0.1
<F>
+
C14
100/
6.3V
C13
0.1
<F>
R29 - R32
10K <1/10W> x 4
R33 - R36
1.0K <1/10W> x 4
VA1 470V
<TNR>
5V
C26 - C29
0.01 x 4
<F>
IC5 (1/7)
uPA2003GR
5V
R14 10K
<1/10W>
CR1
0.01
<F>
CR6
0.01
<F>
C17
0.01
<F> Q3
DTC124EKA
R9 390
<1/10W>
R10 10K
<1/10W>
5V
R93 - R96
10K <1/10W> x 4
14V
14V
NC
SSR1
G3MC-202PL-VD
+
-K 1
K 3
K 4
VA2 470
<TNR> 5V R21 - R24
10K <1/10W> x 4
R25 - R28
1.0K <1/10W> x 4
5V
IC5 (5/7)
uPA2003GR
C22 - C25
0.01 x 4
<F>
NC
NC
0.01 <F> x 3
C10 C12 C30
R40 1.0K <1/10W>
R41 1.0K <1/10W>
R42 1.0K <1/10W>
SW1
DSS803
NO.1
NO.3
NO.2
10K <1/10W> x 3
R39 R38 R37
CN9
B5P-SHF-1AA
CN6
B2P3-VH-B-E
BLUE
TEST
CN9-1
CN9-2
CN9-3
CN9-4
CN9-5
CN6-1
CN6-2
C3 0.22 <RE>
R88 120 <1/2W>
K4
G5NB-1A
M
F M
YELLOW
YELLOW
UL1015 AWG22
UL1015 AWG22
BLACK
BLACK
DRAIN PUMP
JM5
H
M
CN5-3
UL1015 AWG22
RED
PURPLE
UL1015 AWG22
UL1015 AWG22
UL1015 AWG22
UL1015 AWG22 BLUE
WHITE
BLACK
CN5 B6P11-VH-B
UL1015 AWG20
WHITE
WHITE
UL1015 AWG20
WHITE
FAN CAPACITOR
440V
6uF
CN4 B2P3-VH-B-Y
YELLOW
CN1 B3P5-VH-B-C
BLACK
CN1-1
CN1-3
CN1-2
CN4-1
CN4-2
CN5-1
CN5-2
CN5-6
CN5-5
L
K3
G5S-1
K1
G5S-1
I C 10 H I 2002
BLACK
WHITE
RED
UL1015 AWG18
UL1015 AWG18
UL1015 AWG18
UL1015 AWG16 GREEN
EMI FILTER
ZCAT1518
-0730
E101 W103 W104
FAN
MOTOR
TERMINAL BOARD
3
2
1
UL1015 AWG18 RED
UL1015 AWG18 WHITE
UL1015 AWG18 BLACK
TM102
230V
50Hz
TM101
N
L
SA101
RA-362M
VA101
470V <TNR>
VA102
470V <TNR>
F101
3.15A
FH101
<BET>
FH102
ELF20N018A
LF101
C101
0.22
<RE-C>
C105
0.022
<YE>
C106
0.022
<YE>
C104
0.01
<F>
C103
0.01
<F>
E
OUTDOOR UNIT
SW2
DRS4016-5
SECONDARY
PRIMARY
D6
D2FL20U
C9
1000
/25V
R8 10K <1/10W>
+
T1
SWITCHING
TRANSFORMER
ZFT29B01
+
R7 330
<1/4W>
C8
100/6.3V
D2
D1FL20U
D4
D1FL20U
D3
MTZJ5.1B
C7 0.047
<ECQB>
R6 100
<1/2W>
R4 330K
<SPRH-2W>
CUSTOM CODE SWITCHING (R2)
CUSTOM CODE SWITCHING (R1)
R15 - R17
10K <1/10W> x 3
R5 62K <RSP2-2W>
C6
4700P
<ECQM>
D5
1SR139-600
D10
1SR139-600
D1
D3SB60
R1
3.3
<RGGS-5W>
+
C5
100/450V R2 1.5
<RSP2-2W>
Q2
2SC1815
R3 100
<1/10W>
Q1
2SC4236
CN3
53406-9910
CN3-2
CN3-1
GRAY
GRAY
THERMAL FUSE
JM1
JM3
JM2
uPD780058BGC
-108-8BT
C32
1000P
<R>
C35
1000P
<R>
R44 1.0K
<1/10W>
R46 1.0K
<1/10W>
R50 10K <1/10W>
NC
NC
NC
NC
IC5 (1/7)
uPA2003GR
NC
NC
NC
NC
5V
IC4 (7/7)
uPA2003GR
14V
5V 5V
12V
R63
15.4K (1%)
<1/10W>
R52 10K
<1/10W>
R51 1.0K <1/10W>
12V
12V
Q6
2SC2712
R91 10K
<1/10W>
R62 4.7K
<1/10W>
R65 390
<1/10W>
IC11-2
BA10358
+
-
R60 10K
<1/10W>
R61 10K
<1/10W>
NO.3
NO.2
NO.1
R64
28K (1%)
<1/10W>
CN17
B3B-XAKK-1-A
L2
0.022
<DSS306>
L4
0.022
<DSS306>
L3
0.022
<DSS306>
CN17-1
CN17-3
CN17-2
UL1430 AWG22
UL1430 AWG22
UL1430 AWG22
BLACK
WHITE
RED
-
+
IC11-1
BA10358
UL1430 AWG28
BROWN
RED
ORANGE
YELLOW
WHITE
BROWN
RED
ORANGE
YELLOW
WHITE
LOUVER
( UP / DOWN )
M
14V
C38
0.01
<F> CN10
B5B-XASK-1-A
CN10-1
CN10-5
CN10-4
CN10-3
CN10-2
5V
R48
10K
<1/10W>
R49 1.0K
<1/10W>
Q4
DTC124EKA
5V
R47 390
<1/10W>
CN14
B4B-XH-AM
HA
JEM-A
CN14-1
CN14-2
CN14-4
CN14-3
5V
5V
C37
0.1
<F>
C34
0.1
<F>
C39
0.1
<F>
R77 - R79
10K <1/10W> x 4 IC7
BR93LC46RF
R43
10K (1%)
<1/10W>
R45
49.9K (1%)
<1/10W>
5V
10K <1/10W> x 4
R58 R75 R76 R100
D0
D1
CK
CS
VCC
NC
NC
GND1
2
3
4
5
6
7
8
CN7-2
CN7-1
B2B-XAKK-1-A
BLACK
BLACK
GRAY
GRAY
BLACK
CN8-1
CN8-2
B2B-XASK-1-A
CN7
CN8
76
77
8
9
10
6
25
15
14
26
35
34
28
29
30
31
27
18
17
16
13
12
11
5
32
61
53
64
62
78
79
80
47
48
49
24
23
22
73
60RESET
XT1
P33
P34
P35
P45
P44
P43
P121
P03
P01
P12
P13
P14
P00
P55
P22
P21
P20
P130
P25
P26
P27
P50
P54
P53
P52
P51
P56
P57
P47
P23
P24
P46
P131
P72
P71
P70
P11
P10
P15
P16
P17
1
2
3
52
54
55
66
65
P120
P122
P123
P05
P04
VDD074
68 VDD1
75 AVRF0
AVRF1
7
4AVSS
67 VSS0
VSS1
33
71
72
56
I C
XT2
P124
P125
P126
P127
P65
57
58
59
41
P66
P02
42
63
40 P64
P63
P62
39
38
P61
P60
37
36
43
44
45
46
P67
P30
P31
P32
P36
P37
P40
P41
P42
50
51
19
20
21
X1 X2
11
14
16
15
13
12
10
7
5
4
2
9
3
1
6
116
8
8
15 2
3
14
13 4
512
11 6
9
4
3
2
5
1
10 7
18
14
10
Model : RC-25UA
2006.03.31 8

D1
D2SB2 12V 5V
C28
0.1
<F>
5V
R27 10K
<1/4W>
LED1
SLR-325
<RED>
LED2
SLR-325
<RED>
R28 10K
<1/4W>
R11
14K (1%)
<RN-1/5W>
R3
6.65K (1%)
<RN-1/5W>
R12
14K (1%)
<RN-1/5W>
C25
0.1
<F>
C27
0.1
<F>
C26
0.1
<F>
5V PIPE TEMPERATURE THERMISTOR
OUTDOORTEMPERATURE THERMISTOR
DISCHARGE TEMPERATURE THERMISTOR
CN13-1
CN13-2
CN11-2
CN12-2
CN11-1
CN12-1
BROWN
BROWN
BLACK
BLACK
GRAY
GRAY
CN13
CN11
CN12
B2P-VH-B-R RED
B2P-VH-B RED
B2P-VH-B-C BLACK
CN10
B5P-SHF-1AA
WHITE
TEST
TIMER
TEST1
TEST3
TEST2
CN10-1
CN10-5
CN10-4
CN10-3
CN10-2
5V
R35 - R38
10K <1/4W> x 4
5V
C22
0.1
<F>
5V
R18 - R21
1.0K <1/4W> x 4
CJ1
1000P
<B>
CJ2
1000P
<B>
CJ3
1000P
<B>
R15 1.0K <1/4W>
R17 1.0K <1/4W>
R16 1.0K <1/4W>
C16
0.01
<F>
C20
0.01
<F>
C19
0.01
<F>
C17
0.01
<F>
R40 10K
<1/4W>
CJ4
CR1 10K
<1/4W>
5V
5V
C23
0.1
<F>
IC5
PST600C
IC7
BR93LC46 R29 10K
<1/4W>
CS
SK
D1
NC
VCC
D0
NC
GND
VCC
OUT
GND
C24
0.1
<F>
R33 10K
<1/4W>
36
RESET
17
20
19
18
P36
P22
P21
P20
21
P23
P17 26
44P01
10K <1/4W> x 3
R30 R31 R32
11
12
13
14
P30
P31
P32
P33
P10 33
P11 32
P12 31
P50 1
2
P51
P70
P71
P72
47
48
49
50
51
52
60
61
62
63
64
P73
P74
P75
P43
P44
P45
P46
P47
3
40
41
1
X1 X2
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
2
X1
8.38MHz
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC XT2
P25
P24
P35
P34
P57
P56
P55
P54
P53
P52
37
23
22
16
15
8
7
6
5
4
3
53
54
56
58
P64
P65
P67
P41
57
59
55
P40
P42
P66
45 P02
P03
46
43 P00
27 P16
P15
P14
28
29
30 P13
39 I C
42
9
25
GND1
GND0
AGND
38
24
10
35
34
XT1
VDD1
VDD0
AVDD
AVREF
JM1
5V
5V
+C29
0.1
<F>
5V
C13
100/
25V
R41
10K
<1/4W>
I C 1
uPD780024AGK
-B67-9ET
5V
12V
12V
K 1
K 6
K 3
K 2
4WV
FAN - ON ( HI )
FAN - LO
C. CH
8
7
6
4
2
3
1
16
14
15
13
11
10
12 5
9
12V IC6 (7/7)
uPA2003GR
Q4
DTC124EKA
4
5
3
1
2
14
10
18
CR2
0.01
<F>
C18
0.01
<F>
R9 4.7K
<1/4W>
Q3
DTC124EKA
R10 4.7K
<1/4W>
IC2 HU2001
C2
0.22
<RE>
VA5
470 <TNR>
ELF17N015A
LF1
C14
0.01
<F>
C15
0.01
<F>
SA1
RA-362M
VA4
470
<TNR>
VA1
470 <TNR>
C1
0.22
<RE>
K1
G5NB-1A
DC12V
CN9
179844-1
WHITE
CN15
B2B-XASK-1-A
WHITE
RED CN15-1
CN15-2
UL1430 AWG24
UL1430 AWG24
RED
UL1015 AWG18
CN4-1
WHITE
UL1015 AWG18
WHITE CN4-2
UL1015 AWG20 CN5-1
BLACK
UL1015 AWG20 WHITE CN5-2
UL1015 AWG20 RED CN5-3
UL1015 AWG20 BLUE CN5-4
H
L
FAN MOTOR
F M
FAN
CAPACITOR
450V
3.5uF
POWER RELAY
VF12HU-UL
BLACK
BLACK
C
R
COMP
S
UL1015 AWG12
UL1015 AWG16
CN8-1
CN8-2
UL1015 AWG16
BLACK
BLACK
BELT HEATER
B H
K6
G5NB-1A
DC12V
CN8
179844-2
RED
K2
G5NB-1A
DC12V
K3
JQ1-12V
CN5
B4P7-VH-B
WHITE
R25
120
C4 0.22
<RE>
CN4
53331-0210
WHITE
INDOOR UNIT
E
TERMINAL BOARD
1
2
3
N
L
E
BLUE
WHITE
POWER SOURCE
230V
50Hz
UL1015 AWG12 WHITE
UL1015 AWG20 WHITE
UL1015 AWG20 BLACK
UL1015 AWG20 RED
WHITE
RED
COMPRESSOR
RUNNING CAPACITOR
4WV
CN9-1
CN9-2
BLACK
BLACK
4WV
F
UL1015 AWG16
GREEN
CN1-1
CN1-3
CN1-2
CN2-1
CN2-2
CN1
B3P5-VH-B-R
RED
CN2
B3P3-VH-B-R
RED
FH1 FH2
F1
3.15A
<250V>
PRIMARY
PRIMARY
SECONDARY
SECONDARY
POWER
TRANSFORMER
EZ-095HHSE-T1
THEMAL FUSE
PURPLE
PURPLE
UL1015 AWG22
UL1015 AWG22
UL1430 AWG22 CN3-2
CN3-1
RED
RED
UL1430 AWG22
CN3
B2B-XH-AM
WHITE
Q1
2SD880
+
+
+
C11
2200
/35V
R1
5.6K
<1/4W>
R2
5.6K
<1/4W>
C8
10/
25V
R22 1.0K
<1/4W>
D2
MTZJ15C
C7
10/
25V
D3
D1F60 C12
2200
/25V
+
IC4
7805
I O
G
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
K01DI-0400HUE-C1
OUTDOOR PCB CIRCUIT DIAGRAM
Models :
RO-25UA
RO-25UB
2006.03.31 9

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 sec.
OFF
ON
0.1 sec.
OFF
ON
Quick flash continued Quick flash continued
Model abnormal or
EEPROM abnormal
0.5 sec.
2 sec.
OFF
ON
OFF
ON
1 quick flash repeated Lighting continued
Power source
connection error
0.5 sec.
2 sec.
OFF
ON
OFF
ON
2 quick flash repeated Lighting continued
Discharge tempera-
ture sensor error
0.5 sec.
2 sec.
OFF
ON
OFF
ON
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
2006.03.31 10

692
544
710
469
468
858
487
71
71
858
61
240
93
545
544
705
847
542
705
847
692
690
692
847
543
543
544
544
122
543
122
847
692
690
692
847
543
847
122
690
847
692
226
338
522
122
122
834-2
876-2
472-4
253-A
472-2
472-3
777-2
777-1
472-1
472-5
472-5
472-5
472-5
DISASSEMBLY ILLUSTRATION
Models :
RC-25FA
RC-25UA
2006.03.31 11

479
467 127
835 482
798
835 484
465
244
155
903
904
563
814
484
484 464
462
164
484
168
474
477
223
457 488
160
457
514
803
187
460-1
834-1
117-3
476-2
143-3
460-2
197
197
565
337-1
146-2
146-1
337-1
337-2
235
735
138
187
184-1
Models :
RC-25FA
RC-25UA
2006.03.31 12

541
381
628
629
195
236
234
875
34
815-2
143-1
824-3
982-1
815-1
Models :
RC-25FA
RC-25UA
2006.03.31 13

Models :
RO-25FA
RO-25FB
RO-25UA
RO-25UB
990
2006.03.31 14

51
55
46
8
754
109
412
107
51
55
46
8
754
109
412
107
790
Models :
RO-25FA
RO-25FB
Models :
RO-25UA
RO-25UB
2006.03.31 15

348-1
13-1
13-2
735-3
178-2
272
47-1
Models :
RO-25FA
RO-25FB
2006.03.31 16

272
272
867
361
178-2
333
271
344
343
259
735-3
13-2
13-1
Models :
RO-25UA
RO-25UB
2006.03.31 17

34
451
236
987 986
988
989
38
37
32
187
989-2
989-1
815-3
32-2
218-4
983
187
32
984
37
38
34
985 824-4
218-3
823-2
989-2
815-3
989-1
Models :
RO-25FA
RO-25FB
Models :
RO-25UA
RO-25UB
2006.03.31 18

When you order parts, please make a photocopy of this page
and fill the number of the parts in the "Order" column.
INDOOR UNIT
RC-25FA
RC-25UA
RC-25FA
RC-25UA
34 Capacitor (Fan Motor) 9900230029
61 Decoration Plate 9363133004
71 Grille Hook Holder 9362782005
93 Filter 9362766005
117-3 Hex. Nut w/Spring Washer 301721180114
122 Louver Support Holder 9362799003
127 Drain Hose 9365074008
138 Separate Wall 9362793001
143-1 Clamp NK-3N 313361274700
143-3 Clamp NK-9N 313209399700
146-1 Evaporator-A Assy 9373799030
146-2 Evaporator-B Assy 9373800033
155 Special Nut M6 9307615016
160 Drain Pan Assy 9362804004
164 Fan Motor Assy-In 9601558019
168 Cabinet-E 9362735001
184-1 Thermostat Spring-A 313728262708
187 Clamp No.1219 313361271706
195 Clamp SKB-100 313361275805
197 Wind Guide Board 9373444015
223 Control Box 9362762007
226 Motor Gear 9362764001
234 Thermistor Assy-Room 9703299025
235 Thermistor Assy-Pipe 9703297014
236 Controller PCB Assy (for FA)
K01AL-0401WSE-C1
9704557704
236 Controller PCB Assy (for UA)
K01AL-0400HSE-C1
9704557698
240 Remote Control Unit (for FA) 9372266069
240 Remote Control Unit (for UA) 9372266052
244 Pipe Cover 9362748001
253-A Wire Assy (Remote) 9372714010
337-1 Reinforcement (Eva.)-A 9362749008
337-2 Reinforcement (Eva.)-B 9362750004
338 Motor Holder 9362765008
381 Locking Spacer 313209391506
457 Reinforcement (Drain Pan) 9362757003
460-1 Pump Cover-A 9362775007
460-2 Pump Cover-B 9362776004
462 Top Cover Plate Assy 9362806022
464 Cabinet-A Assy 9362807012
465 Cabinet-B Assy 9362808019
467 Drain Port 9362786003
468 Special Nut-A (Large) 313005446653
469 Special Nut-B (Small) 313005446759
472-1 Grille Reinforcement-A 9362738002
472-2 Grille Reinforcement-B 9362739009
472-3 Grille Reinforcement-C 9362740005
472-4 Grille Reinforcement-D 9362741002
472-5 Grille Reinforcement-E 9362742009
479 Float Switch 9703285004
482 Pump Unit 9703125010
484 Hook 9362736008
487 Grille Hinge Wire 9362754002
488 Drain Pan Plug 313005174654
514 Control Box Cover 9362763004
522 Joint Gear 9362772006
541 Terminal Plate 9363642001
Ref.
No. Description Ord. Q'ty
Part No.
PARTS LIST
542 Panel Base 9362759014
543 Panel Frame Holder 9362761017
544 Panel Base Holder 9362760010
545 Panel Frame 9362758017
563 Insulation (Inner Box) 9362797009
565 Evaporator Holder Assy 9362802024
628 Locking Spacer-B 313005446558
629 EMI Filter 0400247074
690 Joint-A 9362773003
692 Joint Shaft 9362771009
705 Louver 9362769013
710 Intake Grille 9362854016
735 Distributor Assy 9371325040
777-1 Grille Hook-A 9362779012
777-2 Grille Hook-B 9362778015
798 Pump Hook Bracket 9362753005
803 Cabinet-D 9362792004
814 Cabinet-C 9362791007
815-1 Terminal-3P 9306489069
815-2 Terminal-3P 9703345012
824-3 Fuse 0600222512
834-1 Wire Cover-A 9362789004
834-2 Wire Cover-B 9362788007
835 Cushion Rubber (Pump) 9362777001
847 Louver Supporter 9362770019
858 Grille Spring 9362755009
875 Filter PCB Assy ( for FA ) 9704561107
875 Filter PCB Assy ( for UA ) 9704561091
876-2 Step Motor 9360307019
903 Rubber (Vibration-proof) A 9364891002
904 Rubber (Vibration-proof) B 9364892009
982-1 Cord Clamp 9356857009
Ref.
No. Description Ord. Q'ty
Part No.
474 Turbo Fan Assy 9362810012
476-2 Special Washer 9362756006
477 Bellmouth (B) 9362774000
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