Fujitsu ABY24AGB-W, AOY24ANA Service Manual
SPLIT TYPE ROOM AIR
CONDITIONER
FLOOR CONSOLE /
UNDER CEILING
DUAL
type (50Hz)
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
OUTLINE AND DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 4
REMOTE CONTROL UNIT CIRCUIT DIAGRAM . . . . . . . . . . . . . . 5
P.C. BOARD LAYOUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . . . 7
DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Models Indoor unit Outdoor unit
ABY24AGB-W AOY24ANA
– 1 –
SPECIFICATIONS
TYPE COOLING
INDOOR UNIT ABY24AGB-W
OUTDOOR UNIT AOY24ANA
COOLING CAPACITY (W) 6,550 - 6,750
POWER SOURCE (V) 220 - 240
FREQUENCY (Hz) 50
RUNNING CURRENT (A) 13.2 -13.4
INPUT (W) 2,670 - 2,780
EER (W/W) 2.45 - 2.42
MOISTURE REMOVAL (r/hr) 3.4
AIR CIRCULATION-Hi (m
3
/hr) 900
ELECTRICAL DATA
COMPRESSOR
DIMENSIONS
TYPE
Hermetic type, Permanent split condenser,
2 pole, Single phase, Induction motor
CODE 2JS438D5AA02
REFRIGERANT R-22 (g) 1,870
POWER SOURCE (V) 240
TYPE MFA-24CTA
INDOOR UNIT
HI-SPEED (r.p.m.) 1,180
MED-SPEED (r.p.m.) 1,040
LO-SPEED (r.p.m.) 900
OUTDOOR UNIT
TYPE MFB-247FB
FAN SPEED (r.p.m.) 735
INDOOR UNIT
H x W x D (mm)
199 x 990 x 655
OUTDOOR UNIT 643 x 840 x 336
FAN MOTOR
WEIGHTS
ADDITIONAL REFRIGERANT CHARGE
INDOOR UNIT
GROSS / NET (kg)
39 / 30
OUTDOOR UNIT 68 / 60
PIPE LENGTH 5 m ( 16 ft. ) 7 m ( 23 ft. ) 10 m ( 33 ft. ) 15 m ( 49 ft. ) 20 m ( 66 ft. )
FULL CHARGE AMOUNT 1,870 g (66.0 oz.) 1,902 g (67.1 oz.) 1,950 g (68.8 oz.) 2,030 g (71.6 oz.) 2,110 g (74.4 oz.)
Note : In the case that 5 m are exceeded, when using a connection pipe other than that in the table,
charge additional refrigerant with 16 g (0.56 oz.) / 1 m (3.3 ft.) as the criteria.
– 2 –
INDOOR UNIT
OUTDOOR UNIT
Unit : mm
[Rear View]
OUTLINE AND DIMENSIONS
990
900
500
655
530
200175
199
840
643
25
333
804
336
– 4 –
Dryer
Cooling
: Flare couping
Refrigerant pipe
ø 15.88 mm (5/8")
Refrigerant pipe
ø 9.53 mm (3/8")
Capillary tube
Charging valve
Compressor
Distributor
OUTDOOR UNITINDOOR UNIT
Condenser
Evaporator
REFRIGERANT SYSTEM DIAGRAM
– 3 –
CIRCUIT DIAGRAM
Models : ABY24AGB-W / AOY24ANA
THERMISTOR (PIPE TEMP.)
THERMISTOR (ROOM TEMP.)
BROWN
RED
RED
ORANGE
CONTROL BOARD
STEP MOTOR
(UP/DOWN)
INDOOR UNIT
OUTDOOR UNIT
FAN MOTOR
CAPACITOR
YELLOW
WHITE
WHITE
BROWN
RED
ORANGE
YELLOW
WHITE
BLACK
GRAY
GRAY
GREEN/YELLOW
BLUE
GRAY
BLUE
DISPLAY BOARD
PURPLE
PURPLE
WHITE
WHITE
GREEN
CN13
1234567
CN10
12345
CN4
12
CN7 CN6
12 12
12
CN12
12
CN15
3 2 1
BLACK
BLACK
CN8
12
123456788
12345678
CN201
M
STEP MOTOR
(LEFT/RIGHT)
BROWN
RED
ORANGE
RED
RED
CN1
12
BLACK
BLACK
N
L
BLACK
BLACK
WHITE
WHITE
YELLOW
WHITE
CN11
12345
1234512345
M
FAN MOTOR
MAIN RELAY
FILTER BOARD
TERMINAL
CN5
123456
412536
FM
1
(L)
2
(N)
3
Use T3.15A–250V
Fuse on F101
TERMINAL
2
(N)
1
(L)
N
L
WHITE
3
BLUE
BLUE
BLUE
BLACK
BROWN
BROWN
BLACK
BLACK
YELLOW/GREEN
To POWER SUPPLY
MAIN RELAY
FUSE 5A
RED
RED
WHITE
WHITE
WHITE
FAN MOTOR
CAPACITOR
COMPRESSOR
CAPACITOR
INTERNAL
OVERLOAD
PROTECTOR
COMPRESSOR
THERMAL
PROTECTOR
FAN
MOTOR
1
4
5
6
C
R
S
– 7 –
INDOOR PRINTED CIRCUIT BOARD
CIRCUIT DIAGRAM
Model : ABY24AGB-W
ROOM TEMPERATURE THERMISTOR
HEAT EXCHANGER THERMISTOR
INDICATOR PCB
EZ–0964HSE–D
OUTDOOR UNIT
EZ–0964HSE–P
POWER SUPPLY PCB
CONTROLLER PCB ASSEMBLY (MAIN PCB)
FLOAT SWITCH
MANUAL AUTO
SWITCH
AUTO RESTART CHANGER
CUSTOM CODE CHANGER
CUSTOM CODE CHANGER
SWITCHING TRANSFORMER
– 6 –
P.C. BOARD LAYOUTS
(Viewed from the solder side)
(Viewed from the solder side)
(Viewed from the solder side)
CONTROLLER P. C. BOARD ASSEMBLY
INDICATOR P. C. BOARD ASSEMBLY FILTER P. C. BOARD ASSEMBLY
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