LG L3-C363LA0 User manual

LG
Multi Type Air Conditioner
SERVICE MANUAL
LG
CAUTION
website http://www.lgservice.com
e-mail http://www.lgeservice.com/techsup.html
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
MODEL: L3-C363LA0
L3-C363MA0
L3-C363NA0
L3-H363LA0
L3-H363MA0
L3-H363NA0

2MPS Multi Air Conditioner
Multi Air Conditioner Service Manual
TABLE OF CONTENTS
Safety Precautions......................................................................................................................................3
About MPS...................................................................................................................................................7
Product Specifications
......................................................................................................................................8
Dimensions ........................................................................................................................................................10
Refrigeration Cycle Diagram.............................................................................................................................12
Wiring Diagram...................................................................................................................................................13
Electronic Control Device..................................................................................................................................14
Schematic Diagram ...........................................................................................................................................17
Functions ............................................................................................................................................................20
Operation Details................................................................................................................................................23
2-way, 3-way Valve..............................................................................................................................................30
Cycle Troubleshooting Guide............................................................................................................................34
Electronic Parts Troubleshooting Guide..........................................................................................................42
Operation ............................................................................................................................................................56
Disassembly of the parts (Indoor unit).............................................................................................................58
Exploded View and Replacement Parts List....................................................................................................60

Service Manual 3
Safety Precautions
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must
be followed.
■Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is
classified by the following indications.
■Meanings of symbol used in this manual are as shown below.
WARNING
CAUTION
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage.
WARNING
■Installation
Be sure not to do.
Be sure to follow the instruction.
Do not use a defective or
underrated circuit breaker.
Use this appliance on a dedi-
cated circuit.
• There is risk of fire or electric shock.
Do not let the air conditioner
runforalongtimewhenthe
humidity is very high and a
door or a window is left open.
• Moisture may condense and wet or
damage furniture.
Always ground the product.
• There is risk of fire or electric shock.
Install the panel and the cover
of control box securely.
•Thereisriskoffireorelectricshock.
Always install a dedicated cir-
cuit and breaker.
• Improper wiring or installation may
cause fire or electric shock
Use the correctly rated break-
er or fuse.
• There is risk of fire or electric shock.

4MPS Multi Air Conditioner
Safety Precautions
■Operational
Do not modify or extend the
power cable.
• There is risk of fire or electric shock.
Do not install, remove, or re-
install the unit by yourself
(customer).
• There is risk of fire, electric shock,
explosion, or injury.
Be cautious when unpacking
and installing the product.
• Sharp edges could cause injury. Be
especially careful of the case edges
and the fins on the condenser and
evaporator.
For installation, always con-
tact the dealer or an
Authorized Service Center.
• There is risk of fire, electric shock,
explosion, or injury.
Do not install the product on a
defective installation stand.
• It may cause injury, accident, or dam-
age to the product.
Be sure the installation area
does not deteriorate with age.
• If the base collapses, the air condition-
er could fall with it, causing property
damage, product failure, and personal
injury.
Do not touch(operate) the
product with wet hands.
• There is risk of fire or electrical shock.
Donotplaceaheaterorother
appliances near the power
cable.
• There is risk of fire and electric shock.
Do not allowwater to run into
electric parts.
• It may cause There is risk of fire, fail-
ure of the product, or electric shock.

Service Manual 5
Safety Precautions
Do not open the inlet grille of the product dur-
ing operation. (Do not touch the electrostatic
filter, if the unit is so equipped.)
• There is risk of physical injury, electric shock, or product fail-
ure.
Be cautious that water could not enter the
product.
• There is risk of fire, electric shock, or product damage.
Do not store or use flammable gas or com-
bustibles near the product.
• There is risk of fire or failure of product.
If strange sounds, or smell or smoke comes
from product. Turn the breaker off or discon-
nect the power supply cable.
• There is risk of electric shock or fire.
Gasolin

6MPS Multi Air Conditioner
■Operational
Safety Precautions
Use two or more people to lift
and transport the product.
• Avoid personal injury.
Useasoftclothtoclean.Do
not use harsh detergents, sol-
vents, etc.
• There is risk of fire, electric shock, or
damage to the plastic parts of the prod-
uct.
Do not touch the metal parts
of the product when removing
the air filter. They are very
sharp!
• There is risk of personal injury.
Do not step on or put anyting on the product.
(outdoor units)
• There is risk of personal injury and failure of product.
Do not insert hands or other objects through
the air inlet or outlet while the product is oper-
ated.
• There are sharp and moving parts that could cause personal
injury.
CAUTION
■Installation
Wax
Thinner
check for gas (refrigerant)
leakage after installation or
repair of product.
• Low refrigerant levels may cause fail-
ure of product.
Install the drain hose to
ensure that water is drained
away properly.
• A bad connection may cause water
leakage.
Keep level even when
installing the product.
• To avoid vibration or water leakage.
90˚

About MPS
About MPS
Conventional (On/Off Operation)
• During a Conventional Air Conditioning
Cycle, the Compressor must turn on and
off to reach desiredTemperature setting.
• A large portion of power is used during
Restart.
This causes unnecessary power
consumption.
27
25
23
21
19
00:05 0:10 0:15 0:20
Operation time (min)
Indoor Temp (°C)
ON OFF ON OFF
MPS
• MPS(Multi Power System) is a power
saving system WithTwo rotary
compressors of different capacity (60%
& 40%) Operating an A/C at high power
until it reaches desired temperature.
• And when it reaches the temperature,
only the 40% Capacity rotary
compressor operates.
27
25
23
21
19
00:05
100% operation 40% operation
0:10 0:15 0:20
Operation time (min)
Indoor Temp (°C)
Service Manual 7
MPS (Multi Power System)

8MPS Multi Air Conditioner
Product Specifications
Product Specifications
1. L3-C363LA0, L3-C363MA0, L3-C363NA0
34,200/36,000 22,800/24,000 11,400/12,000 208/230V
----
3.6 2.4 1.2 at 230V
1Ø, 208/230V, 60Hz
Indoor ––8
Outdoor 63
Indoor ––40/38/36 at 230V
Outdoor 54
4,020/4,020 2,530/2,530 1,340/1,340
–––
17.9/17.9 11.6/11.6 5.9/5.9 208/230V
–––
8.5/8.9 9.0/9.5 8.5/8.9
–––
Indoor 888x287x170
Outdoor 870 x 1060 x 320
Indoor 9
Outdoor 78
Liquid 6.35(1/4)
Gas 12.7(1/2)
2,500 ––at 7.5m
O
L.C.D Wireless
O
O
Operation 2-Unit On 1-Unit On
3-Unit On Remarks
Unit
Item
Cooling Capacity
Heating Capacity
Moisture Removal /h
Power Source ø,V,Hz
Air Circulation /min
Noise Level dB(A)
Input W
A
E.E.R. Btu/h.w
C.O.P. -
Dimensions(WxHxD) mm
Net. Weight kg
Service Valve mm(Inch)
Refrigerant(R-22) g
Airflow Direction Control(Up & Down)
Remote Controller Type
Sleeping Operation
Drain Hose
Cooling
Heating
Cooling
Heating
Cooling
Heating
Runnig
Current
Btu/h(kcal/h)
( Hi / Med / Low )

Service Manual 9
Product Specifications
2. L3-H363LA0, L3-H363MA0, L3-H363NA0
34,600/36,000 23,040/24,000 11,500/12,000 208/230V
–––
3.6 2.4 1.2 at 230V
1Ø, 208/230V, 60Hz
Indoor – – 8
Outdoor 63
Indoor – – 40/38/36 at 230V
Outdoor 54
3,920/3,920 2,660/2,660 1,500/1,500
–––
17.5/17.5 12.2/12.2 6.7/6.7 208/230V
–––
8.8/9.2 8.7/9.0 7.7/8
–––
Indoor 888 x 287 x 170
Outdoor 870 x 1060 x 320
Indoor 9
Outdoor 78
Liquid 6.35(1/4)
Gas 12.7(1/2)
2,500 780 780 at 7.5m
O
L.C.D Wireless
O
O
Operation
2-Unit On 1-Unit On
3-Unit On Remarks
Unit
Item
Cooling Capacity
Heating Capacity
Moisture Removal ℓ/h
Power Source ø, V, Hz
Air Circulation m3/min
Noise Level dB(A)
Input W
A
E.E.R. Btu/h.w
C.O.P. -
Dimensions(W x H x D) mm
Net. Weight kg
Service Valve mm(Inch)
Refrigerant(R-22) g
Airflow Direction Control(Up & Down)
Remote Controller Type
Sleeping Operation
Drain Hose
Cooling
Heating
Cooling
Heating
Cooling
Heating
Runnig
Current
Btu/h(kcal/h)
( Hi / Med / Low )

10 MPS Multi Air Conditioner
Dimensions
1. Indoor Unit
Dimensions
Installation plate
A
A
ø70mm
Center
Center
ø70mm
Left rear piping Right rear piping
A
A
D
H
W
Tubing hole cover
W mm 888
H mm 287
D mm 170
L3-C363LA0, L3-C363MA0, L3-C363NA0
L3-H363LA0, L3-H363MA0, L3-H363NA0
MODEL
DIM

Service Manual 11
Dimensions
2. Outdoor Unit
L6L7 L8 L9
L4
H
L5
W
D
L1
L3
L2
L10 L11L11 L11L11L11
Gas side
3-way valve
Liquid side
2-way valve
L3-C363LA0, L3-C363MA0, L3-C363NA0
L3-H363LA0, L3-H363MA0, L3-H363NA0
MODEL
DIM W mm 870
H mm 1038
D mm 320
L1 mm 360
L2 mm 340
L3 mm 25
L4 mm 1035
L5 mm 25
L6 mm 546
L7 mm 160
L8 mm 160
L9 mm 44
L10 mm 64.5
L11 mm 50

Indoor Side Outdoor Side
BA
4- WAY Valve
COMP B
COMP A
Accum.
C
Indoor Side Outdoor Side
BA
COMP B
COMP A
Accum.
C
ex)
Solenoid Valve
L.E.V
3-Way Valve
2-Way Valve
Capillary
12 MPS Multi Air Conditioner
Refrigeration Cycle Diagram
Refrigeration Cycle Diagram
1. L3UH363LA0, L3UH363MA0, L3UH363NA0
2. L3UC363LA0, L3UC363MA0, L3UC363NA0

Wiring Diagram
Service Manual 13
Wiring Diagram
Indoor Unit
Outdoor Unit
MOTOR
PILLAR
TERMINAL
STEP
MOTOR
MAIN PCB ASSY
FORCED
OPERATION
AUTO
RESTART
REMOTE
CONTROL
THERMISTOR
(OUT PIPE)
THERMISTOR
(IN PIPE/AIR)
3854A24002C
CN-MOTOR
CN-DISP1
DISPLAY PCB ASSY
INDOOR WIRING DIAGRAM
TO OUTDOOR UNIT
C
RD BK BR BL
GV S
CN-POWER
CN-U/D CN-TH1 CN-TH2
SW01F
L3-C363LA0, L3-C363MA0, L3-C363NA0
L3-H363LA0, L3-H363MA0, L3-H363NA0
L3-C363LA0, L3-C363MA0, L3-C363NA0 L3-H363LA0, L3-H363MA0, L3-H363NA0

14 MPS Multi Air Conditioner
Electronic Control Device
Electronic Control Device
Indoor Unit
• MAIN P.C.B DC ASM

Service Manual 15
Electronic Control Device
Outdoor Unit
ASM P/N : 6871A20479A
PCB P/N : 6870A90186A
CN_OOO
C51M
R22M
D05M
ZD03M
TRANS6
2003.11.10
CN_POWER2
-
~
R36M
+
~
R11M BD01M
NTC
SMPS
C12M
C10D
1 3
6
5
R34M
C28M
C30M
C19M
C07M
Q06M
C22M
R35M
Q09M
R24M
ZD02M
D06M
R37M
C32M C33M
R25M
ZD01M
R23M
R12M
R10M
Q03M
D04M
C23M C10M
R13M
D02M
TRANS5
L10M
TRANS3
TRANS4
L011M
L12M
13 12
L09M C29M
9 7 8
C17M
TRANS2
TRANS1
L02M
L08M
L07M
L06M
L05M
C18M
D03M
R09M
L01M C06M
D01M
IC01A
C08D
R02D
C04D
C01D L01D
Q08M
D01D
C31M
C25M
L02D
R33M
IC04D
C02D
C03D
C07D
C05D R30M
R31M
Q07M
CN_LEV(C)
C52M
L01H
C02A
RY_FAN(L)
IC01K
C26M
R32M
C27M
R28M
Q05M
IC05M
C14M
C21M
R20M
C16M
C15M
R21M R16M
IC04M
IC03M
C02M
R29M R27M
R26M R19M
C24M
CN_COM3
C13M
R18M
R14M
R17M R15M
CN_COM1
Q04M
CN_COM2
RY_4WAY
R08M Q02M
R04M R03M
C09M
C05M
R07M
C04M
R06M
RY_LIQ
R02M
C03M
RY_GAS
R01M
Q01M
C01M
IC03K
L4(D)
L3(C)
L2(B)
L1(A)
IC02K
Q01Z
OSC01B
CN_RY_FAN
CN_POWER1
RY_FAN(H)
R05M
3
RY_COMP(B)
C11M
L03M
L04M
NF03M
CN_RY_SV NF05M NF04M NF02M NF01M
SW01F
CN_LEV(B) CN_LEV(A)
C50M
LED01T
CN_TH1
CN_JIG CN_TH2
RY_COMP(A)
4
4
PCB P/N : 6870A90195A
ASM P/N : 6871A20500
C04J
R01J
NF01J
C07J
C05J C06J
NF02J
C09J
C03J
C01J
GND1
D01J
C02J
CN_TAB1(N)
ZNR01J
CN_POWER2
C08J
GND2
FUSE(250V/T5A) CN_TAB2(L)
CN_POWER1
• MAIN P.C.B DC ASM

16 MPS Multi Air Conditioner
Electronic Control Device
Display P.C.B ASM

Service Manual 17
Schematic Diagram
Schematic Diagram
Indoor Unit
PKM13EPP-4002
OSC01B
3.6V
CST-8.00MTW
R21H~R25H
50V 8
R11H~R14H
R02F
12.1K
C06D
103
AUTO RESTART REMOTE CONTROL FORCED OPERATION
SWITCH
LIMIT
CN-SW
COM
NO
NC
1 2 3
1 2 3
Option
1
4 2 3
SW01F
5V
5V
6.2K
R06F R04F
6.2K
470uF
25V
C05D
+
DC5V
7805
1N4148
D99
IC02D
OI
470uF
25V
C03D
104
50V
C04D +
DC12V
7812
IC01D
OI
C D S Q
ST93C46CB6
R13H R12H
20K
R11H
OJ2HOJ1H OJ3H
R14H
5
93C46B
EEPROM
Vss
7 6DU
ORG Vcc
OJ4H
4 3
2 1
2
10K
+
50V
C02D
104 680uF
25V
C01D
10K R97 KA393
IC9-1
-4
OR2HOR5H
DC 5V
R96
20K
OR3H~0R5H
OR4H OR3H
DC12V
31
+8
10K
OR1H
56K R95
10K
R21H R24H R25H
5V
12.1K
1%
55
Operation
RECEIVER
Vcc
GND
Vout
Sleep
CMP
Timer
11
220
10V
C02L
LED2 LED1 LED4 LED3 44
5
2
6
5 6
2
CN-DISP
7
33
7
RD PK OR YL
22
11 4 3
4 3
receiver
R01G~R04G
220
STEPPING MOTOR
(UP/DOWN)
BL CN-U/D
4
104
C02D 5V
11
10 7
6
5V
45
48
35
46
47 13 14 33
34
2
64
63
37
32
57
56
1
KID65004AF
IC01G
KID65004AF
14
12
13
3
5
4
9
15
16
8
1
2
HVB OUT
IC01M
9
7
8
4
6
5
18
55
54
50
51
52
53 17
16 19 20 21
61
62
10
7
R01B,1M
R01T~R05T
8
5V
12
311 9
10 6
7
40
5
43
42
29
41
31
30
44
38
220
0.01
R22H R23H
25V 10V
R02A,20K
C01A
5V
C02A 2
1
3
KID65004AF
59
24
22 23 15
60
25
26
36
28
27
39
49
58
15
2
12
5
11
6
13
4
14
3
5V
16
1
9
8
IC02M
R02L,1K
C01L 680pF
R81 1K
R02B,10K
50V
C81 103
5V
receiver
R02E,20
R01E
5.1K
R01L
1K BZ01E
PK
3
2
1
2 2
STEPPING MOTOR
(LEFT/RIGHT)
BL
3 3
4 4
5 5
1 1CN-L/R
OR
YL RD
Option
PIPE-TH
2
3
4
DC12V
CN-MOTOR
4 4
INDOOR
FAN
MOTOR
3 3
2 2
1 1
DC 5V
+
11
CN-DC/DC
104,50V
C07D
RXE250 POLY SW
~
100uF
63V
C92
4 4
5 5
2
3
2
3
1/4W 750 R99
11
11
4
2
3
HVB OUT
+
7
KSC7536
IC01A
KIA7036P
5V
C91 103
1%
6.2K
R04H
KA393
IC9-2
R90 1K R93 10K
-5
DC 5V R92 10K
R91 4.7K 6
1%
CN-TH1
1%
5V
12.1K
R02H
2 4 33
4 2
11
CN-TH2
5V
6.2k
R26H 3
22
3
PIPE-TH
ROOM-TH
12V 1
2
1 2
CN-HVB
Option
33
HVB OUT

18 MPS Multi Air Conditioner
Schematic Diagram
Outdoor Unit
•
P07
SW01F
OR2H,OR7H,OR10H:91K,OR3H-4H,OR8H-9H,OR11H-12H:15K(ETC:20K)
R03T
11
DC 5V
56K
R04T 1K
1
2
7036P
IC01A
CN-JIG
3 4
3 4
22 JIG_RX
JIG_TX
DC 5V
10K
R01T 1K
R02T
C01H-C04H : 103
P21 21
JIG_RX
26
OSC01B
CST-8.00MGW
JIG_TX
+
3C02A
10
R03A,100
50V 25V
0.01
C01A
R02A,4.7K R01A,1K
Xin Vss
Xout
R01B,1M 25
24
P22
RESET 23
22
P20
19 R01F,1K
R02F,10K
R02G,10K R01G,10K R04G,10K R03G,10K
P32
29 30 P33 28 27 P31
P30
L4(C) L3(C) L1(A) L2(B)
PWM(A) PWM(C) PWM(B) P53
P54 46
47
P52 45
51
P60 50
P62
P63
P61 52
53
31
P37
34 35 36 P41
P40
33 32 P36
P35
RX(C) RX(B)
TX(C)
RX(A)
TX(B)
14 13 P13
P12 P34
11 10 12
P10 P11
TX(A)
CN-LEV(C) CN-LEV(B)
DC 5V
+
C52M
220
50V
2 3 1
2 3 1
5 4
5 4
IC03M 44
220
50V
+
C51M
1 1 3 2
3 2
50V
55 1
+
220
C50M
1
22
11
OUT_PIPE
OUT_TH
22 33
44
CN-TH2
SUCTION 33
44
DC 5V
R05H-R20H
(ETC: 12.1K 1%) (R05H,R06H,R07H:6.2K 1%)
DISCHARGE
CN-TH1 11 41
R01H,1K
60
P71
P66 P65
P64 55
56
54
P70 P67 59
57 63
P73 P72
R04H,1K 62
61
P76 P74 P75
R02H,1K R03H,1K
1
64
7 8 9
P05 P06
5 6
P02 P04 P03 P51
44 4 3 P00
P01
42 43
P47 P50
MICOM
TMP87CM41F
58
TEST
P77
20
2
VSS AVDD 49
48
VDD Q01Z
KRA107M
39 40
P44 P46 P45
38 37 P42
P43
DC 5V
CN-LEV(A)
IC02M
4 2 3
4 2 3
5 5
RY-COMP(A) RY-FAN(H) RY-COMP(B)
IC01M
R01Z-R07Z : 4.7K
RY-LIQ RY-FAN(L) RY-GAS RY-4WAY
DC 15V

Service Manual 19
Schematic Diagram
23.2K
8.06K
8.06K
23.2K 23.2K
8.06K
1% 1%
51.1K
102 100V C25M
1% 9.1k R27M
100uf C24M +2
5
4
6
100uF 25V C26M
R28M 13K 1%
15
+
R29M,2K,1%
4
22
51.1K
10K 1
2.94K
6
7
4.7K
PWM(C)
35.7K
4.3K
R26M 10.2K
3
2
1
21.5K
6.04K
KRA101M Q07M DC 5V
7
3K 5.23K39.2K 13K
20 20 9
8
R04S
20K
14
51.1K
102 C14M 100V
R15MC13M + 1%
100uf 9.1k
2
5
4
6
C15M 25V 100uF
R16M
15
+
1% 13K
R17M,2K,1%
4
22 10K 1
51.1K
2.94K
6
7
4.7K
PWM(B)
35.7K
4.3K
10.2K R14M
2
3
1
21.5K
6.04K
Q04M KRA101M
DC 5V
7
3K 5.23K39.2K 13K
20 8
20 9
R04S
14
20K
51.1K
102 100V C02M
R02M 9.1k 1%
100uf C01M +2
5
4
6
100uF 25V C03M
15
R03M 13K 1%
+
R04M,2K,1%
4
22 10K 1
51.1K
6
7
2.94K
PWM(A)
4.7K
35.7K
4.3K
R01M 10.2K 1%
2
3
1
21.5K
6.04K
KRA101M Q01M
7
DC 5V
3K 5.23K39.2K 13K
R04S
8
20 20 914
20K
51.1K
RY-COMP(B)
RY-COMP(A)
51.1K
2SD2220 Q08M
51.1K R31M 220
3
34K
100K R33M
1.5K103K
100V
R34MC31M
Vm(C)
MT 15V
94
S/W TRANS6
2 3 7 Q09M
30,1W R37M
ZD03M 12V 200
R36M
472/250V
C30M
100V 473K C27M
2 8
10K R32M
IC06M
63V 680uF C28M
+
821K C29M 1KV
L10M L09M FMX12S
D05M
Q05M 2SD2220
R19M 51.1K 220
3
34K R21M
100K
1.5K103K
100V
R22MC21M
Vm(B)
ERB-44-08
D06M
8 4
6
S/W TRANS5
L12M L11M
11 2
1KV 222K C33M
3W 68K R35M
C32M
MT 15V
94
S/W TRANS4
2 3 7 Q06M
R25M 30,1W
12V 200
R24M
ZD02M
u-POWER MODULE
NF02J
C09J~C10J
1uF
C08J
222*2
25V
ZNR01J~ZNR02J
uRM1515-2B
302
D01J
C04J
1M
C06J~C07J
C05J
9mH
472*3
R01J
1mH
NF01J
1uF
1uF
C03J
35V C10D
102M
561*2
C04D
35V
470UF
12uH
L01D
1000UF
35V
220uF
C05D
10V
220uF
C03D
DC 5V DC 15V
IC04D
C06D
50V
103
7805
C07D
50V
++
103
C02D
470uF
+
2K
R02D
1/2W
MT 15V
C08D
103
50V
L02D
12uH
D101
FB
12
OUT
R202
9
7
+
C01D GND
PC201
D201
R201
D202
268
C102
BP
TNY
S
D
13
+
C101
R102
OUT
GND
3NC
DC 0V
6
5
PC201
GND
NC
DC 310V
1
IN
R101
D01D
1N4937
RY-FAN(L) RY-FAN(H) RY-GAS
LIVE1
3 3
CN-POWER
NEUTRAL
1
FUSE
ZNR01J
250V/T5A
INR14D471K
SVC561D-14A 1
COMP B
COMP A
43
LIVE2
43
NF01M
HOT GAS
FAN LOW
FAN HI
1 1
NF02M
1 1
1
NF04M NF03M
1
CN-FAN
COM(A) COM(B) COM(C)
DKS-10D-22
1/2W 560K R11M
51.1K
472/250V
C19M
C16M 100V 473K
8 210K
R20M
IC05M
63V C17M 680uF
+
C18M 821K 1KV
L06M L05M FMX12S
D03M
Q02M 2SD2220
51.1K R06M 220
3
34K R08M
100K
1.5K103K
100V
R09MC09M
Vm(A)
ERB-44-08
D04M
8 4
6
S/W TRANS3
L08M L07M
11 2
C23M 1KV 222K
R23M 3W 68K
C22M
MT 15V
94
S/W TRANS2
3 2
7Q03M
30,1W R13M
ZD01M 12V 200
R12M
472/250V
C07M
C04M 473K 100V
8 2
R07M 10K
IC04M
C05M
+
63V 680uF C06M
821K 1KV
L02M L01M D01M
FMX12S
ERB-44-08
D02M
8 4
6
S/W TRANS1
L03M L04M
11 2
1KV C11M 222K
3W 68K R10M
C10M
+NTC
450V 330UF C12M
COM(B)
320TX(B)
1K
R14K
102
C03K
TX(C)
RX(C) RX(B)
RY-LIQ RY-4WAY
R15K
10K
R12K
10K
R16K
3
21
8
4
20
8
4
75
6
R10K
1K
C02K
102
21
4
IC03K
4
75
6
8
COM(C)
DC 15V Vm(C) Vm(B) DC 15V
DC 0V
BD01M D15XB60
DC 310V
RX(A)
DC 15V
TX(A)
DC 5V
R13K
1K1K
R01K 1K
R09K
10K
R07K
R05K R11K
10K
C01K
1K
102
8
4
75
6
10K
R06K
IC02K
10K
R08K
8
R02K
R04K
10K
R03K
IC01K
2
31
8
4
20
COM(A) Vm(A)
DC 15V
LIQUID
1
NF05M
1
1 1
4WAY
3 2 4
3 2 4
3 1 4
3 1
CN-COM3
4
4 1 2
4 1 2
CN-COM2
2 3 1
CN-COM1
2 3 1

20 MPS Multi Air Conditioner
Functions
Functions
•Room temperature sensor. (THERMISTOR)
•Maintains the room temperature in accordance with the Setting Temp.
•Indoor fan is delayed for 5 seconds at the starting.
•Restarting is inhibited for approx. 3 minutes.
•High, Med, Low, Chaos
--- Lights up in operation
--- Lights up in Sleep Mode
--- Lights up in Timer Mode
--- Lights up in Deice Mode(for Heat pump model)
--- Lights up in Compressor operation(for Cooling model)
•Intermittent operation of fan at low speed.
•The fan is switched to low(Cooling), med(Heating) speed.
•The unit will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.
•The fan is switched to intermittent or irregular operation
• The fan speed is automatically switched from high to low speed.
•The louver can be set at the desired position or swing
up and down automatically.
Indoor Unit
Operation ON/OFF by Remote controller
Sensing the Room Temperature
Room temperature control
Starting Current Control
Time Delay Safety Control
Indoor Fan Speed Control
Operation indication Lamps (LED)
OUT
DOOR
Health Dehumidification Operation
•Both the indoor and outdoor fan
stops during deicing.
•Hot start after deice ends.
•The indoor fan stops until the
evaporator piping temperature will be
reached at 28°C.
Sleep Mode Auto Control
Natural Air Control by CHAOS Logic
Airflow Direction Control
Deice (defrost) control (Heating)
Hot-start Control (Heating)