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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
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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
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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
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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
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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
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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
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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
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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
G
O
I
O
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
7
10
+
-
-
+
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
9
15
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
6711
10
9
11 6
12
5
4
13
3
21415
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
6
11
13
15
9
8
CN15-1
CN15-3
CN15-2
CN15
B3B-XARK-1-A
RED
5V
NO.3
NO.2
NO.1
ROOM TEMPERATURE CORRECTION
( 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