Fujitsu AOYS18LDC User manual

SPLIT TYPE
ROOM AIR CONDITIONER
WALL MOUNTED TYPE
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . 1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . 2
REFRIGERANT SYSTEM DIAGRAM . . . . 3
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . 4
ERROR CONTENTS . . . . . . . . . . . . . . . . .
5INDOOR PCB CIRCUIT DIAGRAM . . . . . .
8OUTDOOR PCB CIRCUIT DIAGRAM . . . .
10
DISASSEMBLY ILLUSTRATION . . . . . . . 11
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . 15
17ACCESSORIES . . . . . . . . . . . . . . . . . . . . . .
Indoor unit Outdoor unit
ASYB18LDC
ASYB18LDC
AOYS18LDC
AOYS18LDL

SPECIFICATIONS
TYPE COOL & HEAT INVERTER
INDOOR UNIT
OUTDOOR UNIT
COOLING CAPACITY
HEATING CAPACITY
POWER SOURCE
FREQUENCY
RUNNING
CURRENT
COOLING
HEATING
INPUT WATTS COOLING
HEATING
E.E.R. COOLING
COP HEATING
MOISTURE REMOVAL
AIR CIRCULATION HIGH
TYPE Hermetic type, 4 pole, 3 phase,
DC inverter motor, Rotary
DISCRIMINATION DA130AIF - 25F
REFRIGERANT R410A
ASYB18LDC
AOYS18LD_
5.20 kW
6.25 kW
230 V
50 Hz
7.6 A
7.7 A
1.72 kW
1.73 kW
3.02 kW/kW
3.61 kW/kW
2.8 L/hr
700 m3/hr
1,150 g
ELECTRICAL DATA
COMPRESSOR AND REFRIGERANT
Pipe length 15 m
FULL CHARGE 20 m
MAXIMUM PIPING HEIGHT
ADDITIONAL CHARGE
1,150 g
1,250 g
15m
20 g/m
WEIGHT
INDOOR UNIT Gross / Net
Gross / Net
OUTDOOR UNIT
12.5 kg / 10 kg
44 kg / 40 kg
NOISE LEVEL
High
INDOOR UNIT
( Cool / Heat )
OUTDOOR UNIT (Cool / Heat)
Med
Low
45 dB / 42 dB
39 dB / 38 dB
33 dB / 33 dB
26 dB / 27 dB
50 dB / 50 dB
Quiet
INDOOR UNIT H x W x D
H x W x D
283 x 790 x 230 mm
OUTDOOR UNIT 578 x 790 x 300 mm
DIMENSIONS
2006.06.23 1

DIMENSIONS
INDOOR UNIT
OUTDOOR UNIT
unit : mm
790 230
283
347
578
48
10
320
508
540
20
300
125
60
790
2006.06.07 2

REFRIGERANT
SYSTEM DIAGRAM
2-Way
valve
Strainer
Strainer
Sub-heat
exchanger
( INDOOR )
3-Way
valve
Muffler
4-Way valve
Expansion valve
Heat exchanger
( INDOOR )
Heat exchanger
( OUTDOOR )
Sub-accumulator
Compressor
Cooling
Heating
Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 1/2" (12.7 mm)
2006.06.05 3

CIRCUIT DIAGRAM
INDOOR UNIT
OUTDOOR UNIT
FAN MOTOR
Indicator PCB Assy
AIR CLEAN UNIT
STEPPING
MOTOR
Controller PCB Assy
Power Relay
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
9
8
7
3
2
15
4
3
2
1
5
4
3
2
1
5
4
43
3
2
1
2
1
2
1
5
4
3
2
1
5
4
3
2
1
2
1
5
4
3
2
1
5
4
3
2
1
3
2
1
6
5
4
9
8
7
3
2
1
9
8
7
12
11
10
6
5
4
FM
M
TERMINAL
THERMAL FUSE
THERMISTOR
(PIPE TEMP.)
THERMISTOR
(ROOM TEMP.)
TEST
POWER
WHITE
TM1
CN201
CN101
TM2
W3
CN1 CN2 CN3 CN7 CN11
CN9CN4
CN10
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
BLACK
RED
RED
BLUE
YELLOW
WHITE
WHITE
RED
RED
RED
BLUE
BLUE
BLACK or GRAY
BLACK or GRAY
BLACK
BLACK
GREEN
GREEN / YELLOW
BROWN BLACK
RED
BLUE
PINK
YELLOW
YELLOW
ORANGE
WHITE
RED
BLUE
YELLOW
L
L 3N
N
SWITCH
102 C
RED
WHITE
BLACK
RED
BLACK
WHITE
YELLOW
BLUE
RED
WHITE
BLACK
BLACK
BLACK
RED
BROWN
BLUE
ORANGE
YELLOW
WHITE
BLACK
BLACK
WHITE
RED
BLACK
BLACK
BLACK
BLACK
BROWN
BROWN
WHITE
YELLOW
RED
YELLOW
CN71
CN70
CN40
CN800
CN30
GREEN
W4
W2
W1
W3
W10
W11
W7
W8
W9
1
2
3
4
5
6
7
1
2
1
2
3
4
5
6
7
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
1
2
3
4
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
21
TERMINAL
NL 3
FUSE
250V-20A
PIPE TEMP. THERMISTOR
DISCHARGE TEMP. THERMISTOR
OUTDOOR TEMP. THERMISTOR
REACTOR
COMPRESSOR
FAN MOTOR
EXPANSION VALVE
4-WAY VALVE
C M
F M
PMV
4WV
R(R)
S(S)
C(T)
CONTROLLER PCB ASSY
2006.06.23 4

PCB Circuit
Diagrams
not available at time of publication

ERROR CONTENTS
Error Operation
LED Timer LED
Serial signal error Off
2 flash
3 flash
4 flash
5 flash
Serial signal (reverse) error, at operation start up
Serial signal (reverse) error, during operation
Serial signal (forward) error, at operation start up
Serial signal (forward) error, during operation
Indoor unit thermistor error 2 flash
2 flash
Outdoor unit thermistor error 3 flash
3 flash
2 flash
3 flash
4 flash
Indoor unit control error 4 flash
2 flash
3 flash
7 flash
4 flash
8 flash
Display
Error
Outdoor unit control error 5 flash
2 flash
3 flash
5 flash
Indoor fan motor error 6 flash
2 flash
3 flash
Abnormal lock
Abnormal rotation
CT abnormal
Outdoor unit fan drive system abnormal
2 flash
Refrigerant cycle error 7 flash
3 flash
Optional function error
Model information error
8 flash
0.1 sec on/off 0.1 sec on/off
4 flash
6 flash
Current trip error
Main relay welded
Outdoor temperature thermistor open / short
Indoor temperature thermistor open / short
Heat exchanger thermistor open
Heat exchanger middle thermistor open / short
Discharge thermistor open / short
VDD permanent stop protection
reverse VDD permanent stop protection
Forced automatic SW welded
Power interruption error
Compressor location detection error
Model information error
Discharge Temperature abnormal
Cooling high pressure abnormal rise
PFC circuit error
2006.06.23 10

DISASSEMBLY ILLUSTRATION
3
2
6
38
41
5
1
4
6
INDOOR UNIT
INVERTER
2006.06.23 11

31
8
14
16
13
36 15
7
26
9
28
25
33
10
12
30
37
27
29
39
18
23
22
21
17
19
20
11
32
INDOOR UNIT
2006.06.23 12

1
2
9
7
18
5
19
10
20
24
32
13
6
39
3
35
22
21
17
14
36
11
4
34
8
16
15
OUTDOOR UNIT
2006.06.13 13