Fuji Electric RD-45LA, RD-54LA, RO-45LA, RO-45LB, RO-54LA Service Manual
SPLIT TYPE AIR
CONDITIONER
(50Hz)
DUCT
type
CONTENTS
SPECIFICATIONS
OUTLINE AND DIMENSIONS
CIRCUIT DIAGRAM
PCB CIRCUIT DIAGRAM
REFRIGERANT SYSTEM DIAGRAM
ERROR CONTENTS
DISASSEMBLY ILLUSTRATION
PARTS LIST
1
2
4
5
6
10
12
18
20
STANDARD ACCESSORIES
Outdoor unit
RO-45LA
RO-45LB
RO-54LA
Indoor unit
Models
RD-45LA
RD-45LA
RD-54LA
PIPE LENGTH
FULL CHARGE AMOUNT
S P E C I F I C A T I O N S
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY (kW)
HEATING CAPACITY
rated / max
rated / max (kW)
POWER SUPPLY (V)
FREQUENCY (Hz)
RUNNING CURRENT
(A)
INPUT
(kW)
EER
rated / max
rated / max
rated / max (kW / kW)
MOISTURE REMOVAL
( g )
AIR CIRCULATION - Hi (m
3
/hr )
ELECTRICAL SPECIFICATIONS
COMPRESSOR
FAN MOTOR
TYPE
DISCRIMINATION
DISCRIMINATION
DISCRIMINATION
HI-SPEED ( r.p.m. )
HI-SPEED ( r.p.m. )
OUTDOOR UNIT
MED-SPEED ( r.p.m. )
LO-SPEED ( r.p.m. )
( /hr )
RD-45LA
RO-45LA
12.5 / 14.0
230
18.9 / 22.6
4.30 / 5.15
2.91
ANB33FCMMT
REFRIGERANT R410
3,400
14.0 / 18.0
16.7 / 22.5
3.80 / 5.15
3.68
COOLIING
HEATING
COOLIING
HEATING
COOLIING
HEATING
INDOOR UNIT
RD-54LA
TYPE Cooling & Heating Colling & Heating
RO-54LA
14.0 / 15.0
16.0 / 19.0
23.6 / 25.9
20.6 / 25.9
5.36 / 5.90
4.70 / 5.90
2.55
3.40
50
3.0 4.0
3,500
Hermetic type, 2 poles,
3-phase, Induction motor, DC Scroll
MFA-60NTFS
MFE-60PO
1,300
850 (up Fan) / 750 (down Fan)
1,150
990
MAX PIPE LENGTH
MAX ELEVATION
20.0 m
30.0 m
40.0 m
50.0 m
60.0 m
70.0 m
CHARGELESS
ADDITIONAL CHARGE
3,400 g
3,800 g
4,200 g
4,600 g
5,000 g
5,400 g
REFRIGERANT CHARGE (R410A)
40 g / m
20 m
70 m
30 m
DIMENSIONS
400 x 1,050 x 500
1,290 x 900 x 330
50 / 55
105 / 112
OUTDOOR UNIT
H x W x D (mm)
H x W x D (mm)
NET / GROSS (kg)
NET / GROSS (kg)
INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
12005.05.31
OUTLINE AND DIMENSIONS
Models : RD-45LA, RD-54LA
(Unit : mm)
INDOOR UNIT
AIR
1,050
1,000
400
585
500
1,080
85
22005.05.31
(Unit : mm)
OUTDOOR UNIT
Models : RO-45LA
RO-45LB
RO-54LA
3177900 330 12
9
21
1290
400
650
370
Air Flow
32005.05.31
OUTDOOR UNIT
INDOOR UNIT
15.88mm (5/8")
R E F R I G E R A N T S Y S T E M D I A G R A M
: COOL
: HEAT
EVAPORATOR
9.52mm (3/8")
CHARGING VALVE
CHARGING
VALVE
REFRIGERANT PIPE
REFRIGERANT PIPE
ACCUMULATOR
STRAINER
COMPRESSOR
EXPANSION
VALVE
STRAINER
CONDENSER
STRAINER
4-way
Valve
MUFFLER
PRESSURE
CHECK VALVE
HIGH
PRESSURE
SWITCH
42005.04.15
2005.05.31 5
Models : RD-45LA / RO-45LA
RD-45LA / RO-45LB
RD-54LA / RO-54LA
C IR C UIT DI A GR A M
INDOOR UNIT OUTDOOR UNIT
TO POWER
SOURCE
656673
8079787677
59
5857565554535271141540
36
37
38
39
62
61
51
474849
72
353132
34
18
64
60
3
1
2
70 69
X1 X2
17
161312
414243
44
50
63
19
20
2122232429
262728
9
8
2530464533
67
4
7
756874
11
10
6
5
3
2
1
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
P15
P16
P17
P130
P131
P72
P20
VDD0
VDD1
AVRF0
AVRF1
AVSS
VSS0
VSS1
P31
P32
P53
P46
P70
P71
P51
P50
P47
P52
P45
P44
P43
P42
P41
P40
P02
P36
P30
P67
P66
P65
P21
P22
P25
P26
7
6
5
1
2
3
+
+
-
-
6 11
9
2 15
8
3
4
14
13
1
236
8
475
VCC
DO
NC
GND
CSSKD I
NC
5
4
3
2
1
VCC
VOUT
GND
SUB
NC
2
1
3
3
1 2
8
9
7
6
5
4
3
2
1
10
11
12
13
14
15
16
16
10
1
7
1
3
2
9
14 3
116
2
15
13 4
8
9
64215
13
11
5
3
1
12
14
16
1
2
3
12
5
5
4
321C
8
4
2
1
1
3
2
4
X1
CSTS0500MG03-T
C11
0.1
<F>
5V
R72 10K
<1/10W>
D1
DAN202K
I C9
BD4742G
5V
C12
0.1
<F>
5V
C37
0.01
<F>
R79 1.0K
<1/10W>
C10
0.1
<F>
R80
10K
<1/10W>
R40 1.0K
<1/10W>
C36
0.01
<F>
R39
10K
<1/10W>
5V
5V
C13
0.1
<F>
10K <1/10W> x 3
R45
R46
R47
I C7
BR93LC46
R48 10K
<1/10W>
14V
14V
14V
NC
I C3 (3/7)
uPA2003GR
I C3 (1/7)
uPA2003GR
R67 390
<1/10W>
12V
D2
DAN217U
12V
D3
D1FS4A
5V
12V
R71
10K
<1/10W>
I C6-1
BA10393F
I C6-2
BA10393F
C39
0.01
<F>
R42 47 <1/10W>
C41
1000P
<R>
R68
15.4K
<1/10W>
R69
28K
<1/10W>
R70
10K
<1/10W>
C40
0.01
<F>
C2
10/
25V
+
I C3 (1/7)
uPA2003GR
7 10
5V
5V
JM4
5V
R49 10K
<1/10W>
R50 10K
<1/10W>
R41 1.0K <1/10W>
R44
10K
<1/10W>
R43
10K
<1/10W>
14V
I C5 (7/7)
uPA2003GR
R62 - R64
10K <1/10W> x 3
R57 - R59
1.0K <1/10W> x 3
5V
14V
R65
10K
<1/10W>
R66
49.9K
<1/10W>
C8
0.1
<F>
C9
0.1
<F>
R60 1.0K
<1/10W>
R61 1.0K
<1/10W>
C15
0.1
<F>
C14
0.1
<F>
C16
0.1
<F>
I C 1
C21 - C23
0.1 <F> x 3
5V
5V
14V
12V
5V
5V
14V
CN115
B2B-XH-AM
WHITE
EX. I N
EX. OUT
CN114
B3B-XH-AM
WHITE
+
C1
100/
6.3V
5V
C3
0.1
<F>
5V
R73
10K
<1/10W>
R74 1.0K
<1/10W>
5V
R55
10K
<1/10W>
R56 1.0K
<1/10W>
I C2 (1/7)
uPA2003GR
C34
0.01
<F>
C38
0.01
<F>
5V
C35
0.01
<B>
I C3 (1/7)
uPA2003GR
R75 10K
<1/10W>
R76 10K
<1/10W>
R54 180
<1/10W>
Q1
DTA143
14V
14V
I C2 (6/7)
uPA2003GR
I C4 (4/7)
uPA2003GR
R53
10K
<1/10W>
C17 - C20
0.1 <F> x 4
C32
0.01
<F>
5V
C33
0.01
<F>
Q2
DTC124EKA
R77 10K
<1/10W>
R78 390
<1/10W>
14V
I C3 (1/7)
uPA2003GR
R37 1.0K
<1/10W>
R38 1.0K
<1/10W>
CN2
B10B-PASK-1
WHITE
CN116
B10B-PASK-1
WHITE
14V
14V
CR101
120/0.2
K104
G5NB-1A
I C 103 H I 2002
4
10
14
18
3
2
5
1
5V
+
12V
5V R29 - R32
10K <1/10W> x 4
5V
C28 - C31
0.01 <F> x 4
R33 - R36
1.0K <1/10W> x 4
C24 - C27
0.1 <F> x 4
R21 - R24
1.0K <1/10W> x 4
R25 - R28
10K <1/10W> x 4
CN3
B5P-SHF-1AA
WHITE
TERMINAL BOARD
OUTDOOR UNIT
3
1
2(N)
UL1015 AWG16 WHITE
UL1015 AWG16 BLACK
UL1015 AWG16
BLACK
HIGH
MEDIUM
LO
BLUE
VIOLET
RED
WHITE
BLACK
E101 W105
C105
0.01
<YE>
C106
0.01
<YE>
VA101
470V
<TNR>
C101
0.22 <RE>
LF101
ELF17N015A
C103
0.01
<YE>
C104
0.01
<YE>
C102
0.22 <RE>
C111
10/
25V
C112
0.1
<F>
5V
VA103 470V
<TNR>
VA102
470V
<TNR>
SA101
RA-362M
2
1
4
3
2
2
3
3
1
1O
I
G
O
I
G
I C102
NJM7812
I C101
NJM7805
PRIMARY
SECONDARY
D101
D2SB20
2
4
3
1
CN104 B2B-XARK-1-R
RED
JM103
5V
12V
14V
Q101
2SD1932
CN105
B04B-PASK-1
WHITE
1
2 3
R102 10K
<1/4W>
C107
1000
/50V
+
R103
1.0K
<1/2W>
C108
10/
25V
+
D102
MTZJ15C
+
C109
10/
25V
14V
1
3
4
2
2
4
3
1
FL102
BL02RN1
C114
0.01
<B>
PC102
TLP621
<GB>
CN113
B02B-PARK-1
RED
CN103
B2P3-VH-B-R
RED
K109
G5NB-1A
FL101
BL02RN1
5V
R107 330 <1/4W>
CN1
B04B-PASK-1
WHITE
DC SUPPLY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
UL1430 AWG26 GRAY
SERIAL
CN4
B02B-PARK-1
RED
RELAY DRIVE
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
B Z
NEW SERIAL
CN16
B02B-PASK-1
WHITE
CN5
B02B-PAKK-1
BLACK
EX. SIGNAL
CN106
B02B-PAKK-1
BLACK
1
2
2
1
10
9
8
7
6
543
2
1
12345
1 2 3
4
CN117 B04B-PAKK-1
FAN DRIVE
BLACK
I NT 10
987
654
3
2
1
K104
FAN H / M
FAN ON / OFF
FAN M / L
1 221
2
1
2
1
UL1430 AWG22 RED
UL1430 AWG22 RED
UL1015 AWG22 VIOLET
UL1015 AWG22 VIOLET
UL1015 AWG20 RED
UL1015 AWG18 BLACK
UL1015 AWG18 WHITE
UL1015 AWG16
GREEN
SW3
DRS4016-5
SHV 10A - 400V
RELAY
DH12D1-1F
DC12V
RELAY
DH12D1-1F
DC12V
RELAY
DH12D1-1F
DC12V
UL1015
AWG16
YELLOW
UL1015
AWG16
RED
FAN
MOTOR
FAN CAPACITOR
20uF
370V
L
N
SERIAL
POWER TRANSFORMER
EZ-0970WWE-T
TERMINAL BOARD
REMOTE CONTROL UNIT
AR-3TA3
3
2 1
HEATER
CN15
B02B-PAOK-1
ORANGE
CN14
B02B-PAMK-1
GREEN
FRESH AIR
CN9
B3B-XARK-1-A
RED
FLOAT SWITCH
CN10
B3P-VH-B
WHITE
FEED BACK
CN6
B3B-XAKK-1-A
BLACK
CN13
B8B-XASK-1-A
WHITE
DISPLAY
LOUVER ( R / L )
CN12
B5B-XARK-1-A
RED
CN11
B5B-XASK-1-A
WHITE
LOUVER ( U / D )
CN8
B2B-XASK-1-A WHITE
CN7
B2B-XAKK-1-A BLACK
BLACK
BLACK
GRAY
GRAY
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
JM1
JM2
JM3
5V
10K <1/10W> x 3
R1
R2R3
R4 1.0K
<1/10W>
R5 1.0K
<1/10W>
R6 1.0K
<1/10W>
1
2
1
2
1
2
3
451
2
345
123
4
5
6
7
8
123
1
2
1
2
1
2
3
123
uPD780058BGK
-A42-9EU
SW1
DSS804
FAN CHANGER 2
CUSTOM CODE CHANGE 1
CUSTOM CODE
CHANGE 2
FAN CHANGER 11
432
5
678
1
2
123
1
2
1
2
1
2
BZ1
PKM13EPY-4000-TF01
SW2
DSS803
R15 - R17
10K <1/10W> x 3
R18 - R20
1.0K <1/10W> x 3
123
4
6
5
4
3
2
1
C4
0.1
<F>
R11 - R14
10K <1/10W> x 4
R7 - R10
1.0K <1/10W> x 4
C42 - C43
0.1 <F> x 2
123
4
CN109
B2P3-VH-B-E
BLUE
DRAIN PUMP
UL1430 AWG24
RED
UL1430 AWG24
WHITE
RED
UL1430 AWG24
UL1430 AWG24
BLACK
UL1430 AWG24
RED
UL1430 AWG24
BLUE
CN101
B2P3-VH-B-C
BLACK
AC I N
FH101
FH102
F101
3.15A
<BET>
UL1430 AWG22 RED
UL1430 AWG22 WHITE
UL1430 AWG22 BLACK
POWER SUPPLY PCB
K04CW-0404HSE-P0
EX. SIGNAL FUNCTION CHANGER
AUTORESTART CHANGER
ROOM TEMP REVISE ( HEATING )
COMMERCIAL MODE CHANGER
FAN DELAY CHANGER (HEATING)
ROOM TEMP REVISE (COOLING)
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
RD-45LA : K03BZ-040BHSE-C1
RD-54LA : K03BZ-040AHSE-C1
2005.05.31 6
Models : RD-45LA
I N D O O R P C B C I R C U I T D I A G R A M
RD-54LA
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 off
SW 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
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