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

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

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

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

PCB Circuit
Diagrams
not available at time of publication

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

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

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

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

OUTDOOR UNIT
26
25
29
2006.06.13 14

PARTS LIST
INDOOR UNIT
Ref. Description Part number
1 Air Filter-L 9312920013
2 Air Filter-R 9312921010
3 Front Panel 9312914029
4 Top Grill 9313948016
5 Intake Grille Assy 9313157074
6 Intake grill Clamp 9306755010
7 Louver-U 9309991033
8 Louver-Z 9309992030
9 Louver Holder Assy 9309993013
10 Gear A 9309994003
11 Casing Assy 9311354079
12 Casing Cover F 9309987005
13 Casing Cover B 9314160011
14 Crossflow Fan Assy 9307836015
15 Clamper (Motor) 9310102008
16 Bearing-C Assy 9306628017
17 Drain Hose Assy 9314147012
18 Drain Cap Assy 9314493010
19 Wire Clamper 9311946014
20 Box Switch 9312908011
21 Cover (Switch) 9312909018
22 Evaporator Total Assy
23 Filter Guide 9313920012
25 H-Insulation (Pipe)-E 9304607007
26 Evaporator Holder-L Assy 9313174019
27 Evaporator Holder-R
28 Water Seal 9312912018
29 Bracket (Evaporator )
30 Power Cord Assy
31 Controller PCB Assy 9707375015
32 Indicator PCB Assy 9705375024
33 Air Cleaner Assy 9313148041
36 Motor, Step 9900139025
37 Fan Motor, Brushless DC 9602109012
38 Remote Control 9315027047
39 Air Clean Filter 9313275013
41 Remote Control Holder 9305642045
-- Room Thermistor 9700801108
-- Pipe Thermistor 9702039042
-- Transformer, Switch T1 9705054011
9313099015
9309983014
9310464007
9900339012
-- Varister VA1 0000785020
-- Fuse FSL 250 3.15(EM) 0600376062
-- Fuse Holder FH1-FH2 0500158072
-- Relay DW12D1 K1 9704185013
-- Manual Auto Switch SW1 9703476013
-- Evaporator B Assy 9311275022
2006.06.23 15

OUTDOOR UNIT
Ref. Description Part number
1 Top Panel Assy 9309230057
2 Top Panel Seal 9309228016
3 Cabinet Assy 9314809040
4 Blow Down Grille 9308884015
5 Cabinet Right Assy 9309236011
6 Fan Ring 9308885012
7 Grip 9308880017
8 Switch Cover 9308882028
9 Protective Net 9315319012
10 4-Way Valve Assy 9315726018
11 Expansion Valve Assy 9311641018
13 Condenser 9311381037
14 Thermistor Spring-A 313728262708
15 Thermistor Spring 9300089012
16 Propeller Fan 9309909014
17 Nut 9304902003
18 Motor Bracket 9308872012
19 Separator Assy 9312971015
20 Base Assy, Painted 9308869081
21 3-Way Valve Assy 9315159014
22 2-Way Valve Assy 9313064013
24 Cord Clamp 9307271014
25 Terminal 9306489038
26 Inverter PCB Assy 9707039153
29 Fuse 0600382018
32 Expansion Valve Coil 9900057039
34 Fan Motor 9601725015
35 Compressor Assy 9313764012
36 Emblem 9315210012
39 Solenoid Coil 9970033018
-- IPM 9705720015
Thermistor Assy-- 9900148027
Outdoor Thermistor
-- 9900210045
2006.06.13 16

ACCESSORIES
Name and Shape Part number
Wall hook bracket
9310001004
Remote control
Remote control
holder
Battery (penlight)
Cloth tape
INVERTER
9315027047
9305642045
0600185527
9310519004
Tapping screw (big)
( 4 x 25)
Tapping screw (small)
( 3 x 12)
2006.07.25 17
0700076046
0700019036

0606G3095