SPLIT TYPEROOM AIR CONDITIONER

WALL MOUNTED type

ERROR CONTENTS . . . . . . . . . . . . . . . . . .

Models

Indoor unit Outdoor unit

MW18C3F MR18C3F

CONTENTS

SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . .1

OUTLINE AND DIMENSIONS. . . . . . . . . . . . 2

STANDARD ACCESSORIES . . . . . . . . . . . . 16

REFRIGERANT SYSTEM DIAGRAM . . . . . . 3

CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . 4

INDOOR PCB CIRCUIT DIAGRAM 5

OUTDOOR PCB CIRCUIT DIAGRAM 8

10

. . . . .

. . . . . . .

DISASSEMBLY ILLUSTRATION . . . . . . . . . 11

PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . 14

2006.03.06 1

INDOOR UNIT H x W x D

H x W x D

275 x 790 x 215 mm

OUTDOOR UNIT578 x 790 x 300 mm

10-13/16 x 31-1/8 x 8-7/16 inch

22-3/4 x 31-1/8 x 11-13/16 inch

DIMENSIONS

INDOOR UNIT Gross / Net

Gross / Net

26 lbs. / 20 lbs. (12 kg / 9 kg)OUTDOOR UNIT 97 lbs. / 88 lbs. (44 kg / 40 kg)

WEIGHT

SPECIFICATIONS

TYPE COOLING ONLY INVERTERINDOOR UNIT MW18C3FOUTDOOR UNIT MR18C3FCOOLING CAPACITY 18,000 Btu/h (5.28 kW)

POWER SOURCE 208 - 230 V

FREQUENCY 60 Hz

RUNNING CURRENT 7.7 A

INPUT WATTS 1.73 kW

E.E.R. 3.05 kW /kW

MOISTURE REMOVAL 5.9 Pt/h (2.8 L/hr)

AIR CIRCULATION -High 412 cfm (700 m3/hr)

FAN MOTOR

TYPEHermetic type, 4 pole, 3 phase,DC inverter motor, Rotary

DISCRIMINATION DA130A1F-25F

REFRIGERANT R410A 2-9/16 lbs. (1,150 g)

POWER SOURCE 208 - 230 V

HIGH-SPEED 1,480 r.p.m.

INDOOR UNITMED-SPEED 1,260 r.p.m.

LOW-SPEED 1,040 r.p.m.

QUIET 850 r.p.m.OUTDOOR UNIT 860 r.p.m.

ELECTRICAL DATA

COMPRESSOR

INDOOR UNIT

25 dB

OUTDOOR UNIT 50 dB

44 dB

32 dB

38 dB

NOISE LEVEL

REFRIGERANT (R410A)Pipe Length 49 ft. (15 m) 2-9/16 lbs. (1,150 g)

FULL CHARGE 66 ft. (20 m)

HIGH

MED

LOW

QUIET

2-3/4 lbs. (1,250 g)ADDITIONAL REFRIGERANT 3/16 oz./ft. (20 g/m)

DIMENSIONS

Models : MW18C3F / MR18C3F

unit : inch (mm)

2006.03.06 2

10-1

3/16

(27

5)

31-1/8 (790)8-7/16(215)

13-1

1/16

(34

7)22

-3/4

(57

8)

1-7/

8 (4

8)

3/8

(10)

12-5

/8 (

320)

20 (508)

21-1/4 (540)

13/16 (20)

11-13/16(300)

4-15/16 (125)

2-5/8(66)31-1/8 (790)

REFRIGERANT SYSTEM DIAGRAM

2-Way valve

Strainer

Strainer

Sub-heat exchanger( INDOOR )

3-Way valveMuffler

4-Way valve Expansion valve

Heat exchanger ( INDOOR )

Heat exchanger ( OUTDOOR )

Sub

-acc

umul

ator

Com

pres

sor

Cooling

Refrigerant pipe diameterLiquid : 1/4" (6.35 mm)Gas : 1/2" (12.7 mm)

Model : MW18C3F / MR18C3F

2006.02.28 3

CIRCUIT DIAGRAM

INDOOR UNIT

OUTDOOR UNIT

Model :MW18C3F / MR18C3F

2006.02.28 4

REDWHITEBLACK

RED

WHITE

BLACK

RED

BLACKWHITEYELLOWBLUE

REDBROWNBLUEORANGEYELLOWWHITE

BLACK

BLACK

WHITERED

YE

LLO

W

YE

LLO

W

BLACKBLACK

BROWNBROWN

BLACK

BLACK

WHITE

WHITE

RED

BLACK

BLA

CK

BLA

CK

BLA

CK

GR

EE

N

CN71

W10W11

W7

W9W8

CN801

W4

W2

W1

W3

CN40

CN30

CN70 1

5432

6

1

5432

6

1

5432

6

1

5432

1

32

1

32

6

1

432

1

432

1

32

1

32

1

32

1

32

22 1

1

5(N)

4(L)

321

FUSE5A-250V

TO INDOOR UNIT POWER SUPPLY

GTERMINAL

FUSE 20A-250V

PIPE TEMP. THERMISTOR

DISCHARGE PIPE TEMP. THERMISTOR

OUTDOOR TEMP. THERMISTOR

REACTOR

FAN MOTOR

COMPRESSOR

EXPANSION VALVE

4-WAY VALVE4WV

E V

F M

C MS(S)

C(T)

R(R)

CONTROLLER PCB ASSY

ORANGERED

YELLOWPINKBLUE

BLACK

BLACKBLACK

BLACK

YELLOWBLUE

WHITEBLACK

RED

RED

WHITEWHITEWHITEWHITEWHITEWHITE

GRAY

GRAY

WH

ITE

BLA

CK

RE

D

GR

EE

N /

YE

LLO

WG321

1

65432

1

65432

1

5432

1

5432

1

5432

1

5432

1

5432

1

65432

1

65432

1

65432

7 7 7

12

12

1

32

1

32

CN

1

CN

7

CN

5C

N6

CN

2

CN

3

CN

10

CN201

W1

W3

W2

THERMAL FUSE102

TERMINAL

TO OUTDOOR UNIT

VARISTOR

FUSE3.15A

FAN MOTOR

STEP MOTOR

PIPE TEMPERATURETHERMISTOR

ROOM TEMPERATURETHERMISTOR

SWPOWER CIRCUIT

FM

M

CO

NT

RO

LLE

R P

CB

AS

SY

IND

ICAT

OR

PC

B A

SS

Y

CN3-1 BLACK

CN3-2 BLACK

CN2-1 BLACK

CN2-2 BLACK

CN7-1 REDCN7-2 ORANGE

CN7-3 YELLOWCN7-4 PINKCN7-5 BLUE

CN4-6 RED

CN4-4 BLACK

CN4-3 WHITECN4-2 YELLOW

CN4-1 BLUE

CN3-1CN3-2CN3-3CN3-4CN3-5

CN10-2 WHITECN10-1 RED

CN10-3 BLACK

CN3-2 WHITECN3-1 RED

CN3-4 WHITE

CN3-5 WHITECN3-7 WHITECN3-8 WHITECN3-9 WHITE

1

765432

1

765432

1

5432

1

5432

6

2345

1

1

3

1

3

12

CN11B2B-XH

W1WHITE

W2BLACK

W3RED

CN12B3B-XH

CN62P-SCN

1

5432

12

12

CN52P-SAN

CN253325-0510

CN3S7B-ZR-3.4 ZHR-07

CN7B3B-XASK

CN10B5B-XASK

CN8BS5P-SHF-1AA

TEST

CN1S5 (6-5) B-XARK

FAN MOTORLOUVER

PIPE TEMPERATURE THERMISTOR

ROOM TEMPERATURE THERMISTOR

REMOTE CONTROL UNIT

CONTROLLER PCB ASSYK04CP-0504WSE-C1

INDICATOR PCB ASSYK02CB-0300HSE-D0

CN201JB20-07HG

EX-OUT

EX-I N

OUTDOOR UNIT

TERMINAL BOARD

TERMINAL FUSE103

N

L

SERIAL

EARTH EARTHTERMINAL

N

L

3

F. M. M

EXTERNAL COMMUNICATION CONNECTOR

CONTROL UNITEZ-005EWSE

INDOOR PCB CIRCUIT DIAGRAM

Model : MW18C3F

2006.02.28 5

VA1 270V<TNR>

VA2 270V<TNR>

F13.15A - 250V

W2BLACK

W1WHITE

W3RED

W4GREEN

GND

TERMINAL BOARD3 N L

C30.22<LE>

1

1

5

7

8

4

4321

6 1075

412

2

3

2

4

3L1

D1

R2 2.2<RGG-5W>

160V

5V

5V

20V

++

+

C5100/420V

D21NH42 D3

D1FL20U

R4 100K<RS - 2W>

R41 10K<1/10W> (1%)

R42 49.9K<1/10W> (1%)

R43 1K<1/10W>

R44 1K<1/10W> R39 10K

<1/10W> R28 10K<1/10W>

R29 10K<1/10W>

C7 0.01<ECQE>

C11 0.01 <F>

I C5TNY266P

R5

2.0

M <

1/2W

>

R7

18K

<1/1

0W> D

4D

2FL2

0UC

1333

0 / 2

5V

EN / UVD

SS

SS

BP

C10100/35V C6

0.1<F> C12

4700P <E>

C15 0.01 <B>

C45 0.1<F>

C46 0.1<F>

T1ETS19AB1P8AG

CN51

12

2

ROOM TEMPERATURE THERMISTOR

HEAT EXCHANGER THERMISTOR

13.5V

C

A

REF

I C8TL431 I LP

I C11PS2501L-1<KD / KE>

R98.25K<1/10W>(1%)

R111K<1/10W>

R834K<1/10W>(1%)

R10 47K<1/10W>

A

A

1

2

4

3

A

18

14

10

5

4

3

2

1

IC10

8

7

6

5

4

3

3

3

2

2

2

1

1

1

5V

D7DAN202K

20V 15V

R3 1K<1/2W>

IC778M15

C160.1<F>

C180.1<F>

C17330/25V

+

1

2

3IG

O

R27 390<1/10W>

C34 0.01<B>

C33 0.01<B>

5V

Q2DTC124EUA

Q1DTC124EUA

R25 10K<1/10W> R26 390

<1/10W>

13.5V 12V 5V 5V5V

5V5V

CN7B3B-XASK

1 12

2

3 3

+ + +

IG

O

D6D1F60

C19330/25V

IC6NJM7805

213

4

5

VDD NC

NCVOUTGND

IC2BD4842

C200.1<F>

C240.1<F>

C260.1<F>

C250.1<F>

C2310/25V

C22330/25V

IC1UPD780058

REM

WIR

61

62

63

64

65

66

73

72

76

77

78

79

80

60

27

28

29

30

31

32

34

35

1

2

3

11

12

13

14

36

37

38

39

40

41

42

15 43

16

17

18

44

45

46

47

48

8

9

10

52

53

54

55

56

49

50

51

19

20

21

22

57

58

59

5

6

71

70

23

24

25

26

69

4

67

33

74

68

75

7

P00

P01

P02

P03

P04

VDD0

VDD1

AVRF0

AVRF1

RST

P05

XT1

XT2

P10

P11

P12

P13

P14

P15

P16

P17

P50

P51

P52

P53

P54

P55

P56

P57

P60

P61

P62

P20

P21

P22

P23

P24

P25

P26

P27

P63

P64

P65

P66

P67

P70

P71

P72

P30

P31

P32

P33

P34

P35

P36

P37

P40

P41

P120

P121

P122

P123

P124

P125

P126

P127

P130

P131

P42

P43

P44

P45

P46

P47

IC

X1

X2

AGND

GND0

GND1

RXD

TXD

VPP

132 X1

5.00MHz<CSTS>

5V

5V

R21 1K<1/10W>

R2210K<1/10W>

R24 10K<1/10W>

C270.1<F>

IC38465

1237

VCCD0TESTGND

CSSKD1NC

12V

BZ

R38 10K<1/10W>

BZ1PKM13EPY-4000

IC4-6 LN200311 6

RXDTXDVPP

R23

5V

R80

R81 R82 R83 10K <1/10W> x4

330 <1/10W> x6

R84R85R86R87

R89

5VR15 R20

R16 R17R18

R19

10K <1/10W> x6

5V

JM7JM6JM5

JM4

JM3

JM2

R37R36R35R34330 <1/10W> x4

5V

R33 R30

R32R31

10K <1/10W> x412345

CN8BS5P-SHF

TIMER SHORT CIRCUITCLOCKDODI

TEST

IC13PS2501L-1<KD / KE>

IC12PS2501L-1<KD / KE>

1

23

R50 330<1/10W>

R53 1K<1/10W>

R54 10K<1/10W>

R56 6.8K<1/4W>

R55 4.7K<1/10W>

Q6DTC124EUA

5V 15V

15V5V

C501000P<R>

C620.1<F>

1

2

4

3

4

3

1

2

R51 1K<1/4W> (1%)

R66 390<1/4W> (1%)

R65 10K<1/10W> R64 28K

<1/10W> (1%)

R63 15.4K<1/10W> (1%)

R68 1K<1/10W>

R62 10K<1/10W>

R67 10K<1/10W>

R52 820<1/4W> (1%) A A

+

C53100 / 16V

DC FAN MOTOR

CN1S5 (6-5) B-XARK

CN253325-0510

CN10B5B-XASK

15V

160V

D50RD27M<B>

A

12

34

56

IC4-4 LN2003

IC4-5 LN2003

IC4-3 LN2003

IC4-2 LN2003

IC4-1 LN2003

4

3

2

1

13

14

15

16

12V

5

4

3

2

1

5 12

5VJP5D61DAN217U

D60D1F6012V

12V

12V

12V

12V

IC9

8

4

12V

IC49

8

WIR

5V

IC9-2BA10393F

IC9-1BA10393F

7 65

-+

1 23

-+

5

4

3

2

1 REDWHITEBLACK

REMC601000P<R>

C810.01<B>

C80100 / 16V

R61 10K<1/10W>

R60 47<1/10W>

5V

+

7

6

5

4

3

2

1

CN3S7B-ZR-3.4

MANUAL AUTOSWITCH(KSM0632B)

LOUVER

ROOM TEMPERATURECORRECTION 1ROOM TEMPERATURECORRECTION 2

AUTO RESTART

HOME AUTOMATION

CUSTOM CODE 2

CUSTOM CODE 1

CONTROLLER PCB ASSEMBLYK04CP-0504WSE-C1

Model : MW18C3F

C35 0.1 <F>C36 0.1 <F>C37 0.01 <B>C38 0.1 <F>

CN6

C29 10KC30 1000P <R>C31 1000P <R>

IC4-7 LN2003

5 12

JP SETTING

REMOTECONTROLUNIT

INDICATOR PCB

JP2 JP3JP4

JP1

R6 100K<1/10W>

2006.02.28 6

72006.02.28

Model : MW18C3F

+

5V

C2010.1<F>

R20147<1/4W>

C20247/10V

I C201GP1UM261R

5V5V

CN201

1

1

1

1

2

2

2

2

213

VCCOUTGND

D206 SLR-325

D204 SLR-325

D203 SLR-325

D201 SLR-325

1

6

8

7

5

4

3

2

9

Model : MR18C3F

2006.02.28 8

INVERTER ASSEMBLYEZ-005SHUE

OUTDOOR PCB CIRCUIT DIAGRAM

TOINDOORUNIT

F20120A-250V

F2025A-250V

UL1015 AWG14W101 BLACK

UL1015 AWG20W102 BLACK

UL1015 AWG20W103 BLACK

UL1015 AWG20W100 WHITE

TERMINAL

UL1015 AWG14BLACK

UL1015 AWG14WHITE

UL1015 AWG20RED

UL1015 AWG16GREEN

W1( A-1 )

W2( B-1 )

W4( D-1 )

W3( C-1 )

B

B

B

B

BBW10 W11

W7

W9

W8

B

B

BUL3271 AWG16

BLACK

UL3271 AWG14WHITE

UL3271 AWG14RED

UL3271 AWG16RED

UL3271 AWG16WHITE

EMI FILTER

U

V

W

BLACK

BLACK

RED

BLACK

WHITE

YELLOW

YELLOW

BROWN

WHITE

ORANGE

BLUE

BROWN

RED

1

6

54

3

2

1

6

54

3

2

1

3

2

BLACK

WHITE

RED

CN30B2P3-VH-B-C

BLACK

CN801B5P6-VH-B-L

WHITE

CN40B6B-XARK-1-A

RED

CN71B04B-PASK-1WHITE

CN70B03B-PASK-1WHITE

1

4

3

2

1

3

2

BLACK

BLACK

BLACK

BLACK

BROWN

BROWN

DISCHARGE TEMPERATURE THERMISTOR

PIPE TEMPERATURE THERMISTOR

OUTDOOR TEMPERATURE THERMISTOR

N

L

SERIAL

1

2

3

4

5AC208-230V60Hz

REACTOR

EXPANTION VALVE

DC FAN MOTOR

4-WAY VALVE

COMPRESSOR

A

C. M.

F. M.

M

CONTROLLER PCB ASSYK05CM-0507HUE-C1

PFC5000-0702F

PFC5000-0702F

C10.1/275V

C63.3/275V

C40.01/250V

C50.01/250V

L1RCH4716-070PF07

LL25XB60 x 2D100

D101

AOUS09LAC

AOUS12LAC

15V

L300ELC0607RA

C20

9

0.1

<F>

+

C21

0

0.1

<F>

C21

1

0.1

<F>

C21

2

0.1

<F>

C22

1

0.1

<F>

C22

2

1.0

<B>

D20

3

MTZ

J T-

77 2

4B

C22

0

47

/ 35V

W7 W8 W9

I C200FSBS20CH60

C2142200P<B>

R210 1.0K

DC V

U V W

W V U

R307 195K<RN-1/2W>

R308 195K<RN-1/2W>

15V5V5V5V5V

-12V

5V

C2130.022<F>

C2191000P<B>

5V

5V

R33910K

R33410K1%

R2201.0K

C3200.15

<ECQB>

R33610K1%

R33510K1%

R33310K1%

D304DAN217U

D303DAN217U

C86470P<B>

C840.1 <F>

C206-C208 C215-C217

2200P <B> x 6

195K

<R

N-1

/2W

> 1%

x 6

R30

6R

305

R30

4R

303

R30

1R

302

U / 50P

V / 52P

W / 54P

X / 51P

Y / 53P

Z / 55P

I PM-TRIP / 33P

I PM-G

I PM-G

I PM-G

I PM-G

POW_GND

P63 VCC1716

2353

59586021344727282930313233574142434410

98756 48

191

6162636420181514555453525150464512393837364026251156

P62P46P12P50P37P36P40MD2P11P26P02P03P04P05P06P07P10CP20P21P22P23P57P56P55P54P52P53

AVCCP00P01P17P13P14P15P16AVRP24P25P30P31P32P33P34P35P60P61

MD0MD1P44P43P42P41P45

RSTXP27

15V DC V - F

T60RPZ-1F

1

5432

109876

+C64330/25V

D60D1FL20U

D61D1FL20U

D62D1FL20U

D631SS355 +C65

470/25V

12V

5V

+C68100/25V

C670.1<F>

R611.0K

-12V

+C69100/25V

D641SS355

1

2

3I OG

I C60BA7805

+C66100/25VI C50

TOP243P1234 5

78M

SSS

SC D

+

R5147

C5047/

35V

C300100P<CH>

R83 27K<1/10W>

R811.0K

<1/16W>

+

I C302-2BA2903F

C8510/

25V

15V

-+

23

1

1213 14

+-

15V

-12V

C1150.1<F>

C1160.1<F>

5V

R13510K1%

R504 10K<1/10W>

I C500MB90460

JM501

R50010K

R5021.0K JM500

R50310K

C511.0<B>

D53UF4005

R570R0

C522200P

<E>

R56150K

<2W>

R52470K

<1/8W>1%

R53510K

<1/8W>x 3

R54

R55L51

D521SS355

D501SS355

D51UDZS8.2B

- 65

7

3 3

2 1 2 1

7 + 56

32

1+

-

-

C3060.1<F>

C3050.1<F>C330

1000P<B>

I C300-2BA4560

R3324.7K1%

R329 47K 1% R3304.7K1%

I C300-1BA4560

R33147K 1%

D302 RB751V

R3281.0K

C3111000P<B>

R32722K

D301DAN217U

12

3

3

1

2 123+

-

R3381%

I C302-1BA2903F

Q300DTC114EUA

C3390.01<F>

R337100K 1%

C87330P <B>

15V

R3118.66K1%

R3095.76K1%R3101431%

2019181716151413121110

987654321 21

22

23

24

25

26

27

VCCCOMI NI NI NVFOCFODCSCI NVCCVBVSI NVCCVBVSI NVCCVBVS

NU

NV

NW

U

V

W

P

C2180.1

<HCP>

R211

R212

R213

R214

R215

R216

R217

<1W>1%x 7

6

U V W

-12V

D105DAN217U

2

R155100K1%

W10 W11

W5 W6R1ZPR0RCH400

R1524.7K1%

R1494.7K1%

3

2

3

2

4

1

2

3

1

4

2

1

32

3

1

3

2 1

+ 5V

15V

R80310K<1/10W>

R802560<1/4W>

15V

5V

R8041.0K

C8010.01<F>

D600DAN217U

Q801DTA143EUA

Q800DTC143EUAR801 1.0K

<1/4W>

C800100/25V

L800BL02Rn1

C8020.1<F>

CR30RE1201

JM32

JM31

C1370.1<F>

K1G4A-1A

orDW12D1

+

+

-

-

5V

18 14 10 5 4 3 2 11234578

SA1RA-302M

VA1 470V<TNR>

VA2 470V<TNR>

W1

W2

W3

4 3

1 2

-0

W4

HY I C1HU2001 or GK30434

R7510K

R7610K

R7710K

C730.1<F>

C710.1<F>

C720.1<F>

12V 12VI C40

TD62064

12V

I C80uLN2003

D80SLR-332<RED>

R802.2K

12V

279

1645

1213

36

111418

1015

O1

O4O3O2

GND1

I 1

I 4I 3I 2

COM1COM2

NC1NC2GND4

GND3GND2

1.5K <1/10W> x 4

R40

R43R42R41

161514131211109

1

5

876

432

1C

7C6C5C4C3C2C

COM

1B

7B6B5B4B3B2B

E

L405mmJP

123

456

123

456

123

4

123

12=3

L

N

R156100K1%

+

C200.1<F>

15V

5V

15V

5VR16268K1%

I C5-2BA2903F

C1300.1

<F>

C1291000P

<B>

R1594.7K

R1611.5K

1%

I C105-1BA2903F

R16068K1%

R16310K 1%

+

+

65

7

123

-

-

R137 10K 1% R136 10K 1%

R138 10K 1%D109

RB751VR14010K1%

-+

65

7

R13410K1%

R13310K1%

I C104-1BA2904F

I C104-4BA2902FR141

10K1%

I C104-2BA2902F

D108RB751V

R13910K1%

R14639K1%

I C104-3BA2902F

- 8+

910

3

2 1

-12V R14339K1%R144

22K 1%

R14522K 1%

C1242200P<B>

C1232200P<B>

3

2 1

3

1

4

2

12VJM30

K30FTR-F3

orG5NB-1A

R22 1.0K <1/10W>C21

0.047<B>

R2327K

<1/10W>

R20 1.0K<1/10W>

R2110K<1/10W>

R1574.7K

C1382.2/50V

195K <RN-1/2W>1% x 4

R147

R148

R150

R151

D111 DAN217U

D110DAN217U

I C3-1BA4560

R126100K1%

C1190.1

<F>15V

3

1

R154120K

5V

R131101%

R1421.2K1%

C1171.0<B>R132

2.2K

-

-+

+

23 1

123

+56

7

4

1

I C3-2BA4560

R153120K 1% 10K 1% x 2

R127R128

I C103-1BA4560

R129100K 1%

2

1

3

2

1

3

0.20 <1W> 1% x 8

Q103DTC143EUA

Q10

2D

TC14

3EU

A

DC VR200 39<1/2W>

D200U1JU44 x 3

D201 D202

DC V

R105 195K<RN-1/2W>1%

F10015A-250V

F503A

+FH1

FH2

F4BET 3.15A-250V

R104220K<2W>

R20

3 3

30K

C20

5 0

.1 <

F>C

204

47

/ 35V

R20

2 3

30K

C20

3 0

.1 <

F>C

202

47

/ 35V

+ +

R20

1 3

30K

C20

1 0

.1 <

F>C

200

47

/ 35V5V

L130ELC0607RA

5V

C1400.1<F>

5V-2

15V

+C1392.2/50V

I C103-2BA4560

-12V

C1200.1<F>

R1714.7K

3 3

1 12 2

131011 +

-I C102-4BA2901F

I C102-2BA2901F

-+

756

R121100K1%

C1132700P<B> C142

0.1<F>

I C100TA8316

C1050.1<F>

R1244.7K

R12

5 4

.7K

R12

0 4

.7K

1%

R16

6 3

.9K

R15

8 3

.9K

4.7K1% x 2

R122

R123

5V

R106 195K<RN-1/2W>1%

15V

+C10410/25V

15V-2

D1021NH42

R103100

<1/2W>

R10247K

Q100GT30J122

3

21

C1030.1<HCP>

R16710K

C1060.1 <F>

5V-2 D106DAN217U R219

1.0K

R206

R209

R208

R207

R205

R204390 <1/10W> x 6

R218 4.7K<1/10W>

R1073.83K

1%

3

2 1

+489

-

+

R113 4.7K1% R110

6.8K

C1070.1<F>

C1082.2/50V

R115K1%

C1360.01<F>

I C102-3BA2901F

15V

C1100.1<F>

C1120.1<F>

+ C1092.2/50V

R11110K

1573

26

4

GAT I NS ID INC

GND

SOVCC

+76 1

-

D115DAN217U

D114DAN217U

5V-2

L100 BL02Rn1

R10

8 4

7<1

/4W

>

R10

9 2

2<1

/4W

>

42223

1 3

2

492413P51

X0X1

AGNDGNDGND

X5008.00MHz<CSTS>

C5000.1

<F>

5V

5V

C5700.1<F>

5VI C570BR93LC46

1236

8475

CSSKD INC

VCCDONC

GND

5V

R57010K

5VI C101TC 74HC00AF1234567

1413121110

98

1234567 8

91011121314

R16822K

R16922K

R16522K

5VC1280.1<F>

C1272.2/50V

++

R16422K

C1262.2/50V

C1250.1

<F>D112DAN217U

3

1 2

3

1 2

D113DAN217U

5V+ C134

0.1<F>

C1322.2/50V

+

C1332.2/50V

C1310.1<F>

R17068K

C5800.1

<F>R58422K

R5831.0K

R58210K

R58110K

+C5020.1<F>

C5030.1<F>

C50110/25V

I C560S80842

21

34

VDDOUT

NCGND

JM101JM102JM103JM100

TEST

10K x 4R90R91R92R93

L50BLm21AG610

x 2

R5851.0K

-I C102-1BA2901F

45 2+

D107RB751V

R11810K 1%

D11910K1%

R11615K1%

R11722K1% C135

1000P <B>

C1114700P<B>

R11522K 1%

R11210K1%

C1411000P

<B>

R1014.7K

5V-2

REACTOR

EARTH

AC208 - 230V60Hz

SERIAL

V4-AC / I C80-3

SO / I C80-2

PR / I C80-5

TD / 4PTA / 6PTE / 5PACV / 7PDCV / 8PI PM-CR / 9P

ACFAN / 28PPR / 31P

V4-DC / 29PV4-AC / 27P

SO / 32PLED / 30P EPV3 / 44P

EPV4 / 43PEPV2 / 42PE2CS / 41P

I PM-TRIP / 33PSO / 32PPR / 31PLED / 30PV4-DC / 29PACFAN / 28PV4-AC / 27PCP-POS / 47P

T AUX3 / 21PT TXD / 60PPFC / 58PTEST / 59PCT / 3PPFCSW / 35PFANPWM / 2P

FAN IN / 17P

FAN IN / 17P

EPV3 / 44PEPV4 / 43PEPV2 / 42PEPV1 / 45P

ACFAN / I C80-6PR / I C80-5V4-DC / I C80-4V4-AC / I C80-3SO / I C80-2

TE / 5P

TD / 4P

TA / 6P

FANPWM / 2P

PIPE TEMP.THERMISTOR

DISCHARGE TEMP.THERMISTOR

OUTDOOR TEMP.THERMISTOR

CN70

EXPANSION VALVE

CN40B6B-XARK-1-ARED

CN801B5P6-VH-B-LWHITE

FAN MOTOR

DCV-F POW_GND

POW_GND

CN30B2P3-VH-B-C

4-WAY VALVE

GREEN

WHITE

BLACK

SERVICE

RED

5V

L70BL02Rn1

C400.1<F>

R714.75K

1%R72

6.65K1%

R7338.3K 1%

C750.1<F>

CN71

12V

5V

R1302201%

C5720.01 <F>

R560100K

C5610.01<F>

R5611.0K

123

4567

89

10

PFC-TRIP / 46PPFCEN / 14PPFCAW / 35P

I PM-CR / 9PDCV / 8P

CT / 3P

ACV / 7P

CP-POS / 47P

/ T ICS

/ T REST CKT AUX3T MODE

T RXDT TXDT AUX

PFCEN / 14P

PFC / 58P

ZXL / 37P

S I / 48P

ZXH / 36P

TEST / 59PMD2 / 63PMD1 / 64PMD0 / 1P

E2CS / 41PE2SK / 40PE2D I / 39P

T MODE / 18P

MD1 / 64PMD2 / 63PTCK / 62P

TRXD / 61PMD0 / 1P

/ T RES / 19PS I / 48P

PFCEN / 14PZ / 55P

W / 54PY / 53PV / 52PX / 51PU / 50P

PFC-R RIP / 46PEPV1 / 45P

E2D I / 39P

ZXL / 37PZXH / 36P

E2SK / 40P

T AUX / 25P

/ T RES / 19P

T CK / 62PT AUX3 / 21PT MODE / 18PT RXD / 61PT TXD / 60PT AUX / 25P

DCV-F

POW_GND

POW_GND

POW_GND

CN580B10B-PASK-1WHITE

COMPCOMP

SERVICE

C100-C102660/450V x 3

+ +

JM101JM102JM103JM100

TEST

+

R407R406R405

R403

R404

R400R401R402

CONTROLLER PCB ASSYK05CM-0507HUE-C1

Model : MR18C3F

2006.02.28 9

ERROR CONTENTS

Error

Model : MW18C3F

OperationLED Timer LED

Serial signal error Normal

2 flash

3 flash

4 flash

5 flash

Serial signal (reverse) error, at operation start up

Serial signal (reverse) error, during oeration

Serial signal (forward) error, at operation start up

Serial signal (forward) error, during operation

Indoor unit thermistor error 2 flash2 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

DisplayError

2006.03.06 10

Outdoor unit control error 5 flash

2 flash

3 flash

5 flash

Indoor fan motor error 6 flash2 flash

3 flash

Abnormal lock

Abnormal rotation

CT abnormal

Outdoor unit fan drive system abnormal

2 flashRefrigerant cycle error 7 flash

3 flash

Optional function error

Model error

8 flash

Blinking Blinking

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 error

Discharge Temperature abnormal

Cooling high pressure abnormal rise

PFC circuit error

DISASSEMBLY ILLUSTRATION

51

2

2

16

7

1

4

Opt

ion

5

5

Model : MW18C3F

2006.03.06 11

32

24

29

20

43

46

48

236

37

28

26

3052

36

42

40

39

33

21

38

27

61-1

61-2

32

Model : MW18C3F

2006.03.06 12

1

2

7

18

5

19

29

10

2024

26

32

12

13

6

39

3

35

22

21

25

14

36

37

3711

4

34

8

16

15

Model : MR18C3F

2006.02.28 13

When you order parts, please make a photocopy of this pageand fill the number of the parts in the "Order" column.

INDOOR UNIT

PARTS LIST

--- Indicator PCB Assy 9705039032Evaporator B Assy 9311275022

1 Air Filter 93099970112 Filter (Electric + ION) 9312152018

54

Clamper (Grille) 93067550106 Front Panel 93099990537 Intake Grille Assy 9313566036

24 Crossflow Fan Assy 9307836015

37 Insulation (Pipe)-E 930460700738 Holder (Evaporator)-L Assy 931317401939 Holder (Evaporator)-R 930998301440 Water Seal 931291201842 Air Seal 931061100543 Terminal 970195511446 Step Motor 9900139025

48 Fan Motor Assy 960210901251 Remote Control Unit 931502706152 Bracket Panel 931000100461-1 Flow Control Panel-U 930999103361-2 Flow Control Panel-Z 9309992030

236 Controller PCB Assy 9707193022

--- Pipe Temperature Thermistor 9702039042---

---

Room Temperature Thermistor 9700801108

Holder (Filter) 9306602017

20 Gear-A 930999400321 Casing Assy 9311354079

26 Clamp (Motor) 931372401627 Shaft Holder-C Assy 930662801728 Drain Hose Assy 931414701229 Drain Cap Assy 931449301030 Wire Clamper 931394401832 Cover (Switch) 931394301133 Evaporator Total Assy 9313099015

36 Joint Pipe Assy 9313792015

(K04CP-0504WSE-C1)

Ref.No. Description

Part No.

MW18C3FOrd.Q'ty

2006.03.06

FOLS checked 2006/01/17

14

When you order parts, please make a photocopy of this pageand fill the number of the parts in the "Order" column.

OUTDOOR UNIT

1 Top Panel Assy 93092300572 Top Panel Seal 93092280163 Cabinet Sub Assy 93148090404 Blow Down Grille 93088840155 Cabinet Right Assy 93092360116 Fan Ring 93088850127 Grip 93088800178 Switch Cover Assy 9309237049

10 4-Way Valve 997005601711 Expansion Valve Assy 931164101812 Strainer 931144001713 Condenser Assy 931138202714 Thermistor Spring-A 31372826270815 Thermistor Spring-A 930008901216 Propeller Fan 930990901418 Motor Bracket 9308872012

19 Separator 931297101520 Base Assy 930886908121 3-Way Valve Assy 931515901422 2-Way Valve Assy 931306401324 Cord Clamp 930727101425 Terminal 970387402426 Inverter PCB Assy 970703908529 Fuse 0600382018

32 Expansion Valve Coil 990005703934 Fan Motor 960213301735 Compressor Assy 931376401236 Emblem Rear 931526101437 Heat Exchanger Thermistor 9900148027

Thermistor

39 Solenoid Coil 9970033025

------ IPM 9705720015

---

Outdoor Temp. Thermistor 9900210045

9900041014Thermistor Assy--- 9900148027

Ref.No. Description

Part No.

MR18C3FOrd.Q'ty

2006.02.28

FOLS checked 2006/01/17

15

9305642045

Remote controlunit holder

Name and ShapePart No.

MW18C3F

9310001004

9315027061

0600185534

0700076046

9310519004

9312153015

9311925033

Remote controlunit

Battery (penlight)

Cloth tape

Tapping screw (big)

Wall hook bracket

STANDARDACCESSORIES

9306602017

9304536000

Tapping screw (small)( 3 x 12)

( 4 x 25)

0700019036

Air cleaning filter

Air cleaning filter

Seal A

frame

2006.03.06 16

0511G2949