Friedrich MR24C3F, MW24C3F, MR24Y3F User Manual

SPLIT TYPE ROOM AIR CONDITIONER

WALL MOUNTED

Models

Indoor unit Outdoor unit

MW24C3F MR24C3F MW24Y3F MR24Y3F

type

CONTENTS

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

DIMENSIONS ....................... 2

REFRIGERANT SYSTEM DIAGRAM .... 3

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

5INDOOR PCB CIRCUIT DIAGRAM .....

8OUTDOOR PCB CIRCUIT DIAGRAM . . .

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

DISASSEMBLY ILLUSTRATION ....... 14

PARTS LIST ....................... 20

STANDARD ACCESSORIES

..........

13

22

SPECIFICATIONS

INDOOR UNIT

OUTDOOR UNIT

COOLING CAPACITY

HEATING CAPACITY

MW24C3F MW24Y3F

MR24C3F MR24Y3F

24,200 BTU/hr 24,200 BTU/hr

- 27,600 BTU/hr

NOISE LEVEL

INDOOR UNIT

HIGH

MED

LOW

QUIET

47 dB

41 dB

36 dB

32 dB

C47dB / H45dB

C41dB / H41dB

C36dB / H36dB

C32dB / H32dB

ELECTRICAL DATA

POWER SOURCE

FREQUENCY

COOLING

RUNNING CURRENT

HEATING

COOLING

INPUT WATTS

HEATING

SEER

MOISTURE REMOVAL

AIR CIRCULATION -High

COMPRESSOR

TYPE

208 V / 230 V 208 V / 230 V

60Hz 60Hz

10.1 A 10.1 A

- 10.8 A

2,310 W

- 2,470 W

18.0 18.0

6.3 Pts/hr (3.0 L/hr)

647 cfm

(1,100 m

3

/hr)

Hermetic motor compressor,

4 poles, Involute scroll type

2,310 W

6.3 Pts/hr (3.0 L/hr)

647 cfm

(1,100 m3/hr)

OUTDOOR UNIT

52 dB

C52dB / H53dB

REFRIGERANT CHARGE (R410A)

Pipe Length

FULL CHARGE AMOUNT

ADDITIONAL CHARGE

15 m

20 m

25 m

30 m

3 lb. 8 oz. (1,600 g)

3 lb. 12 oz. (1,700 g)

3 lb. 15 oz. (1,800 g)

4 lb. 3 oz. (1,900 g)

0.2 oz./ft. (20g/m)

DISCRIMINATION

POWER SOURCE

REFRIGERANT R410A

FAN MOTOR

POWER SOURCE

INDOOR UNIT

OUTDOOR UNIT

DIMENSIONS

INDOOR UNIT HxWxD

OUTDOOR UNIT

HxWxD

HIGH

MED

LOW

QUIET

COOL

HEAT

5CS160 XAA23

208 V / 230 V 60Hz

3 lb. 8 oz ( 1,600 g )

208 V / 230 V

1,310 r.p.m.

1,120 r.p.m.

940 r.p.m.

830 r.p.m.

1,000 r.p.m.

-

12-5/8 x 39-1/4 x 9 inch

320 x 998 x 228 mm

22-3/4 x 31-1/8 x 12-3/8 inch

578 x 790 x 315 mm

1,000 r.p.m.

1,050 r.p.m.

WEIGHT

INDOOR UNIT

OUTDOOR UNIT

Gross / Net

2006.03.14 1

40 / 31 lbs. (18 / 14 kg )

106 / 97 lbs. (48 / 44 kg )

OUTLINE AND DIMENSIONS

Unit : inch (mm)

INDOOR UNIT

12-5/8"

(320)

OUTDOOR UNIT

39-1/4" (998)

13-11/16" (347)

1-7/8" (48)

23-1/4" (540)

31-1/8" (790)

20" (508)

3/4" (20)

9" (228)

12-5/8" (320)

4-15/16" (125)

2-3/8" (60)

11-13/16" (300)

2006.02.23

22-3/4" (578)

3/8"

(10)

2

REFRIGERANT SYSTEM DIAGRAM

Models :

Muffler

MW24C3F / MR24C3F MW24Y3F / MR24Y3F

3-Way

valve

Compressor

4-Way valve

Heat exchanger

( INDOOR )

2-Way

valve

Strainer

Sub-accumulator

Strainer

Cooling Heating

Refrigerant pipe diameter Liquid : 1/4" (6.35 mm) Gas : 5/8" (15.88 mm)

Heat exchanger

( OUTDOOR )

Expansion valve

Strainer

2006.02.23 3

CIRCUIT DIAGRAM

2004.11.09 4

INDOOR PCB CIRCUIT DIAGRAM

Models : MW24C3F MW24Y3F

TERMINAL BOARD

N

OUTDOOR

UNIT

L

SERIAL

EARTH

THERMAL

L

FUSE 103

3

EARTH TERMINAL

GREEN

W4 TM2

22007

RED WHITE BLACK

TM4

TM1

22007

CONTROL UNIT MW24C3F : EZ-005CWSE MW24Y3F : EZ-00523HSE

INDICATOR PCB ASSY

K05CY-0500HSE-D0

LOUVER ( RIGHT / LEFT )

LOUVER ( UP / DOWN )

DIFFUSER

FAN MOTOR

M

F. M .

CN2-1 RED

CN2-2 ORANGE

CN2-3 YELLOW

CN2-4 PINK

CN2-5 BLUE

CN5-1 RED

CN5-2 ORANGE

CN5-3 YELLOW

CN5-4 PINK

CN5-5 BLUE

CN8-1 RED

CN8-2 ORANGE

CN8-3 YELLOW

CN8-4 PINK

CN8-5 BLUE

CN10-6 RED

CN10-4 BLACK

CN10-3 WHITE

CN10-2 YELLOW

CN10-1 BLUE

CN6 5P-SAN

1

2

3

4

5

CN2 SJH20-05WS

1

2

3

4

5

CN5 SJH20-06WS

1

2

3

4

5

CN8 B06B-PASK

1

2

3

4

5

CN10 B06B-XARK

1

2

3

4

5

6

CONTROLLER PCB ASSY

MW24C3F : K05CX-0507WSE-C1

MW24Y3F : K05CX-0506HSE-C1

CN11

B07B-9ASK

CN3

2P-SCN

CN1

2P-SAN

CN13

B5P-SHF-1AA

CN201 JB20-07HG

1

2

3

4

5

6

7

CN11-1 RED

CN11-2 WHITE

CN11-3 WHITE

CN11-4 WHITE

CN11-5 WHITE

CN11-6 WHITE

CN11-7 WHITE

1

2

3

4

5

6

7

PIPE TEMPERATURE THERMISTOR

BLACK

CN3-1

1

CN3-2 BLACK

2

ROOM TEMPERATURE THERMISTOR

CN1-1 BLACK

1

CN1-2 BLACK

2

CN13-1

1

2

CN13-2

3

CN13-1

4

CN13-1

5

TEST

2006.02.23 5

Models : MW24C3F MW24Y3F

ROOM TEMPERATURE

PIPE TEMPERATURE

REMOTE CONTROL UNIT

1

3

<BLACK>

JP SWITCHING

K1-4

T1-12

TM4

C19 330/ 25V

CN1

(2)

TM1

CN3

CONTROLLER PCB ASSY

MW24C3F : K05CX-0507WSE-C1

MW24Y3F : K05CX-0506HSE-C1

C33 33/ 35V

D4 D1FL20U

CS

(75)

C34

0.1

<F>

15V

4

3

(100)

MY064

6 5 4 3 2 1

0.01 <F>

VA2

470V

<TNR>

4

3

PS2501L-1

I C1-76 I C1-75 I C1-74 I C1-73

I C1-6

I C1-4 I C1-64 I C1-63

R113 47

<1/10W>

R51 1.0K

<1/4W>

1%

<1/4W>

5V

R47 10K

<1/10W>

4

3

PS2501L-1

T2

D12 D2F20U D10 D1FL20U

8 9

10

C35

VA3

470V

<TNR>

1

2

R64

1.8K

<1/10W>

I C15

uLN2003

I C1-43 I C1-42 I C1-41 I C1-40 I C1-39 I C1-38

R1 100K <1/10W>

3

2

1

X1

8.38MHz

<CSTLS>

R9

0R0

RESET

R110 10K

<1/10W>

THE CIRCUIT FOR FAN MOTERS

C36

100/36V

+

R55

820

A

15V

1

2

I C14

R56

4.7K

<1/10W>

R63 6.8K

<1/4W>

R67 150

<1/10W>

3

0.1 <F>

C

C37

1

+

820/

REF

A

2

25V

I C19 TL431 I LPR

I C18-5

512

IC1

uPD780148

44

P00

VDD

P01

43

EVDD

P02

42

P50

P03

41

P51

P04

P52

40

P05

39

P53

38

P06

P54

18

P10

P55

P11

19

P56

P12

20

P57

P13

21

P60

P14

22

P61 P62

P15

23 24

P63

P16

25

P17

P64

80

P20

P65

79

P21

P66

P22

78

P67

P23

77

P70

P24

76

P71

75

P25

P72

74

P26

P73

73

P27

P74

7

P30

P75

6

P31

P76 P77

5

P32

4

P33

P120

64

P130

P40

63

P140

P41

62

P141

P42

P142

61

P43

60

P143

P44

59

P144

P45

58

P46

P145

57

P47

AVREF

14

RST*

IC

X1

12

REGC

13

X2

GND

AGND

15

XT1

16

XT2

EGND

C53

1000P

<R>

C1

0.1

15V

<HCP>

1.2K

<1/10W>

C38

R65 330 <1/10W>

9 31 56 55 54

53 52 51 50 49 33 32 29 28

48 47 46 45 72 71 70 69 68 67 66 65

3 17 26 27

34 35 36 37

1

8 10 11

2 30

LED

(15)

(14)

A

(13)

(12)

R70

R53

5.6K

<1/10W>

5V

1

2

5V

C40 100/ 16V

340V

(11)

12V

R48 34K <1/10W>

R76 7.87K <1/10W> 1%

I C17

PS2501L-1

ALAM RC

I C1-28

I C1-47 I C1-46

I C1-3 CS

VPP

5V

(65)

(66) (67)

(68) (69) (70) (71)

+

T1-12

20V

(18)

C39 100/ 35V

4

3

R72 100K <1/10W>

A

BEN

5V

R7 100K <1/10W>

CN11

7

6

5

4

3

2

1

C41

0.01

DC FAN

CN10

6

5

4

3

2

1

R79, R81 - R84

10K <1/10W> x 5

I C1-76

I C1-42

I C1-41

I C1-75

I C1-74

15V LINE ON-OFF CONTROL

C25

0.1

<F>

+

JM9

132123IO

R77 10K <1/10W>

R78 10K <1/10W>

6

1

16

2

C59 0.1 <F>

C47 0.1 <F> C48 0.1 <F> C49 0.1 <F>

I C1-4

MANUAL AUTO SWITCH

5V

R32 10K <1/10W>

(74)

(73)

SW1

THE SWITCH FOR OPENING AND CLOSING OF A PANEL

5V

R115

(79)

10K

1

<1/10W>

2

(78)

CN20

5V

JM5

JM6

JM7

JM8

JM10

JP SETTING

I C20

78M15

G

Q9

C42 330/ 25V

2SA1036(R)

R8 1.0K <RS - 2W>

11

I C18-6 uLN2003

I C18-1 uLN2003

15

I C18-2 uLN2003

314

4

R33 1.0K

<1/10W>

R116 1.0K

<1/10W>

AUTO RESTART / PLUG ON

TEMPERATURE CORRECTION-1

TEMPERATURE CORRECTION-2

REMOTE CONTROL SWITCHING-1

REMOTE CONTROL SWITCHING-2

C56

0.1 <F>

POWER RELAY

15V

+

(20)

(19)

I C18-3 uLN2003

I C18-4 uLN2003

13

413

12

5

611

I C16-4 uLN2003

710

5V

R90 - R93 330 <1/10W> x 4

OUTSIDE COMMUNICATION

I C1-40

C28

0.01

I C1-64

I C1-63

I C1-39

C55

0.01

OFGERING POWER

K1-4

DW12D1

4

1

14

3

I C7-6 uLN2003

10

7

1

I C16-3 uLN2003

I C16-5 uLN2003

I C16-6 uLN2003

R95 10K <1/10W> R97 10K <1/10W> R98 10K <1/10W> R99 10K <1/10W>

(31)

1

(32)

2

(33)

3

4

(34)

5

(35)

CN13

R88 1.0K

<1/10W>

I C7-2

uLN2003

2

15

(3)

TM2

I C1-6

C50

0.01

<1/10W>

I C1-47 I C1-46

W3

(4)

12V

K1

3

2

I C7-3 uLN2003

4

I C7-4 uLN2003

51312

I C7-7 uLN2003

16

I C16-1 uLN2003

215

I C16-7 uLN2003

TEST

G5N-1A

243

18

8

<TNR>

5V

R105 10K <1/10W>

R103

390

ABNOMAL VOLTAGE DETECTOR

I C1-38

I C7-5 uLN2003

6

I C16-2 uLN2003

14

3

(101)

PS2561L-1-V

4

32

R94 330 <1/10W>

K10

1

POWER SUPPLY CIRCUIT

280V

W5

TH1

5D-11

150/

315V

1

2

4

D6

FH1

F1

<TNR>

I C26-14

FH2

VA1

470V

I C26-10

C8 0.47 275V

C14 0.01

250V

C13 0.01 250V

L1

4

3

T1

0.7A - 5.0MH

GS I B460L

1

2

(1)

VA4

C12

0.1 <F>

470V

<TNR>

C17

+

330/ 25V

VA5

470V

5V

(76)

C21

C20

C18

+

10/ 25V

0.1 <F>

(97)

C22

+

0.1 <F>

JM3

(96)

7V

IC2

NJM7805

123

IO

G

R45 100K

C6

3

+

IC8

TOP243

6

D F

5

S

43

R34 6.8K

<1/10W>

A

1

C

2

L X

<ECQE>

R46

47

<1/2W>

R38 15K

<1/10W>

D7

1NH42

C32

0.01

Q7

2SA1037AK

<Q>

C27

+

47/

16V

20V

C4

100P

<D>

1SS355

1

2

3

C29

0.1

<F>

R42 270

<1/10W>

D9 D1FL20U

D8

+

R49 10K <1/10W>

(77)

(91)

1

2

3

4

5

6

5V

0.1

12V

IC5

5V

(92) (93)

(94)

R35

R39 10K <1/10W>

8 4 7 5

8

4

I C1-28

I C1-73

CN9

5V

1

2

1

2

(37)

(36)

<BD102>

BLm18

<BD102>

L7

BLm18

R2 10K

<1/10W>

1%

L6

R6 49.9K

<1/10W>

R13 1.0K

<1/10W>

12V

CN6

D1F60

(86)

1

(87)

2

(88)

5V

3

(89)

4

R4 10K

5

<1/10W>

JP5

DAN217U

12V

ROOM TEMP. PIPE TEMP. THERMISTOR

R14 1.0K

<1/10W>

C15

0.1 <F>

C16

0.1

<F>

12V

R21 15.4K

<1/10W>

1%

12VD2

R22 28K

<1/10W>

1

3

D3

2

<1/10W>

R17 10K

1%

R20 1.0K <1/10W>

C26

<F>

REMOTE CONTROL COMMUNICATION

6

-

5

+

2

-

3

+

I C5-2 BA10393F

7

I C5-1 BA10393F

1

R31 390

<1/4W>

1%

5V

R30 10K <1/10W>

C23

0.1

<F>

16 1

I C7-1 uLN2003

RESET

VCC DO NC

GND

VPP

5V

CS SK DI NC

5V

IC6 BR93LC46

1 2 3 6

C31

0.1

<F>

EEPROM

5V

R37 10K <1/10W> R40 10K <1/10W>

RESET

R54 10K <1/10W>

2

4

VDD

NC

1

VOUT

GND

53

NC

IC11

BD4842

R57 330 <1/10W> R60 330 <1/10W> R58 330 <1/10W> R59 330 <1/10W>

I C1-3

R52 100K <1/10W>

LED FOR INDICATOR & REMOTE CONTROL UNIT

I C10

5V

PS2501L-1

R43 330

1

<1/10W>

2

3

Q6 DTC124EUA

1

C30

1000P

<R>

R44

1.0K

<1/10W>

I C1-43

H I C FOR SERIAL COMMUNICATIONS

IC26

14

VA6

27

(95)

</2W>8

I C26-14

3

2

1

Q10 DTC124EUA

R106

1.0K

I C26-10

470V

5V

R108

10K

(90)

<1/10W>

C52

R107

1000P

1.0K

<R>

<1/10W>

12V

(48)

(49)

(50) (51)

(52)

(53) (54) (55)

(56)

(57)

(58)

(59)

12V

9

IC7

8

I C18-7 uLN2003

7

5V

R101 330

L3

<1/10W>

BLm11

<A601>

I C25

1

L3

BLm11

<A601>

12V

I C22

PS2561L-1-V

1

4

3

2

10

6

3

2

1

Q11 DTC124EUA

5V

3

4

3

2

PS2501L-1

1

Q12

DTC144EUA

CN8

6

5

4

3

2

1

6

5

4

3

2

1

CN5

12V

9

I C18

8

12V

I C16

BUZZER

10

(72)

CN14

(43)

3

2

(44)

1

C51

0.01

R102 390 <1/10W> R104 10K <1/10W>

(42)

CN16

(45)

2

1

(46)

4

21

321

R114 390 <1/10W>

C54

0.01

543

5

D14 DAN202K

2

280V

R111 330K

R111 330K <1/2W>

<1/2W>

D15

MTZJ30B

I C27

R112 62K

1

<1/2W>

2

A

LUVER OPERATING CIRCUIT

DIFFUSER

CN2

5

4

RIGHT / LEFT

3

2

1

UP / DOWN

9

8

12V

BZ1

BZ

R109 10K

<1/10W>

OUTSIDE COMMUNICATION INPUT

OUTSIDE COMMUNICATION OUTPUT

5V

2006.02.23 6

Models : MW24C3F MW24Y3F

INDICATOR PCB ASSY

K05CY-0500HSE-D0

5V

SLR-325

D201

D202

D203

I C201

GP1UM261R

2

VCC OUT

1

GND

3

C201

0.1

<F>

5V

R201

<1/4W>

+ C202

5V

CN201

1

2

3

4

5

6

7

47

47/

10V

2006.02.23 7

OUTDOOR PCB CIRCUIT DIAGRAM

Models : MR24C3F MR24Y3F

UL1015

EMI FILTER

AWG14

WHITE

POWER SOURCE AC220 - 240V 50 / 60Hz

INDOOR UNIT

N

L

3

2

1

UL1015 AWG14

BLACK

UL1015 AWG20

RED

UL1015 AWG20

BLACK

UL1015 AWG20

WHITE

EMI FILTER

TLC 25A - 250V, B

UL1015 AWG14

BLACK

F200

UL1015 AWG16

GREEN

B2P3-VH-B-Y

B

W4

SERIAL

RED

B

W1

B

W2

B

W17

B

W18

FSL 3.15A - 250V (EM)

W3

B

W19 W20

UL1015 AWG20 BLACK

CN110

31

YELLOW

AC VOLT I N

F100

UL1015 AWG20 WHITE

CT I N / OUT

BB

B

W21EARTH

W9

UL1015 AWG14 BLACK

UL1015 AWG14 GRAY

TM600

TM601

CT I N / OUT

POWER SUPPLY PCB K05CW-0500HUE-FL0

B2B-XH-AM BLK

CN1

BLACK

POWER RELAY CONTROL

CN100

2

UL1007 AWG24 WHITE

2

1

UL1007 AWG24 WHITE

1

W28

W29

INVERTER ASSY

EZ-0050AHUE

EMI FILTER

B

UL1015 AWG14 ORANGE

B

UL1015 AWG14 BROWN

UL1015 AWG14 RED

CHOKE COIL

L = 0.3MH 30A

UL1015 AWG14

WHITE

L1

ACTPM

SACT32010F1

I C 404

UL1015 AWG14

WHITE

L2

N1

N2

IO

CAPACITOR PCB ASSY

K05DG-0500HUE-P0

+

-

UL1015 AWG14

WHITE

UL1015 AWG14

VIOLET

W12

B

W13

B

P

UL1015 AWG14 BLACK

UL1015 AWG14

YELLOW

B

UL1015 AWG14

BLUE

B

EMI FILTER x 2

432

56

1

TM101

+

TM102

W16

B

W17

B

D100

D25XB60

-

TR PCB ASSY ( I P M )

K05CZ-0500HUE-TR0

TM301

TM302

B10B-XASK-1

I PM CONTROL

1

23456

CN301

WHITE

7

W307

B

W306

B

8910

TM305

TM304

TM303

CN303

B2B-XH-AM

WHITE

PEAK LOAD CURRENT

21

EMI FILTER

RED

WHITE

BLACK

UL1015 AWG14 x 3

C. M.

COMPRESSOR

DC FAN MOTOR

EXPANSION VALVE

F. M .

M

4-WAY VALVE

DISCHARGE TEMP. THERMISTOR

PIPE TEMP. THERMISTOR

OUTDOOR TEMP. THERMISTOR

RED

BLACK WHITE YELLOW BROWN

RED BROWN BLUE ORANGE YELLOW

WHITE

BLACK

BROWN BROWN

BLACK BLACK

BLUE BLUE

CN801

1

B5P6-VH-B-L

2

WHITE

3 4

DC FAN MOTOR

5 6

1 2

CN700

3 4

B6B-XARK-1-A

5

RED

6

CN500

1

B2P3-VH-B-C

3

WHITE

CN60 B2B-XH-AM YEL

1

YELLOW

2

CN61

1

B2B-XH-AM RED

2

RED

CN62

1 2

B2B-XAEK-1-A

BLUE

CONTROLLER PCB ASSY

K05CU-0507HUE-C1

CN400

B4B-XASK-1-A

WHITE

UL1007 AWG24 YELLOW

UL1007 AWG24 ORANGE

UL1007 AWG24 RED

432

ACTPM CONTROL

UL1007 AWG24 BROWN

1

CN200

B2P4-VH-B-M

WHITE

UL1015 AWG20 BLACK

03VH/SIN 1015 L250

4

DC VOLT I N

UL1015 AWG20 WHITE

11

B10B-XASK-1

CN40

WHITE

UL1007 AWG24 BROWN

UL1007 AWG24 RED

UL1007 AWG24 ORANGE

23456

I PM CONTROL

UL1007 AWG24 YELLOW

UL1007 AWG24 GREEN

UL1007 AWG24 BLUE

UL1007 AWG24 PURPLE

7

UL1007 AWG24 BLACK

UL1007 AWG24 GRAY

8910

UL1007 AWG24 WHITE

B2B-XH

PEAK LOAD CURRENT

C42

WHITE

UL1007 AWG24 BROWN

UL1007 AWG24 RED

1

2

2006.02.23 8

Models : MR24C3F MR24Y3F

CONTROLLER PCB ASSY

K05CU-0507HUE-C1

C64 10K <1/10W>

2006.02.23 9

Models : MR24C3F MR24Y3F

K05CW-0500HUE-FL0

POWER SUPPLY PCB

2006.02.23 10

Models : MR24C3F MR24Y3F

TR PCB ASSY ( I P M )

K05CZ-0500HUE-TR0

2006.02.23 11

Models : MR24C3F MR24Y3F

CAPACITOR PCB ASSY

K05DG-0500HUE-P0

W12

WHITE

W13

VIOLET

YELLOW

B

BLUE

B

SMOOTHING CIRCUIT

B

R200 220K

<2W>

C200

++

660/

450V

C201

660/

450V

+

C202

660/

450V

B

P

N

W7

YELLOW

B

W8

BLUE

B

POWER_G

2006.02.23 12

ERROR CONTENTS

Error

Operation LED

Display

Timer LED

Error

Serial signal error Normal

Indoor unit thermistor error 2 flash

Outdoor unit thermistor error 3 flash

2 flash

3 flash

4 flash

5 flash

8 flash

2 flash

3 flash

2 flash

3 flash

4 flash

8 flash

2 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

Wired remote controller error

Indoor temperature thermistor open / short

Heat exchanger middle thermistor open / short

Discharge thermistor open / short

Heat exchanger thermistor open

Outdoor temperature thermistor open / short

Compressor temperature thermistor open / short

Forced automatic SW welded

Indoor unit control error 4 flash

Outdoor unit control error

Indoor fan motor error 6 flash

Refrigerant cycle error 7 flash

5 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

5 flash

2 flash

Optional function error

Model error

2006.01.20 13

8 flash

Blinking Blinking

3 flash

4 flash

Pressure switch trouble

Active filter voltage trouble (second time)

Active filter voltage trouble (first time)

PFC circuit error

Model error

DISASSEMBLY ILLUSTRATION

Models : MW24C3F, MW24Y3F

5

4

6

4

2

1

2006.02.23 14

2006.02.23 15

32

35

31

Models : MW24C3F, MW24Y3F

34

36

33

28

27

9

29

30

8

2006.03.14 16

Models : MW24C3F, MW24Y3F

26

22

23

10

Models : MW24C3F, MW24Y3F

38

37

39

53

41

16

42

55

49

40

48

52

47

2006.02.23

17

Models : MR24C3F, MR24Y3F

14

12

13

33

24

11

37

32

38

10

50

8

5

22

53

21

54

51

39

52

20

35

3

1

6

2

18

34

36

16

2006.03.14 18

7

4

Models : MR24C3F, MR24Y3F

44

43

40

46

45

55

41

42

25

2006.03.14 19

PARTS LIST

INDOOR UNIT

㪩㪼㪽㩷㪥㫆㪛㪼㫊㪺㫉㫀㫇㫉㫀㫆㫅

1 Front Panel Total Assy 9315335081 9315335074 2 Intake Grille Assy 9315336064 9315336064 4 Air Filter 9315014016 9315014016 5 Clamper Grille 9306755010 9306755010 6 Receiver Window 9315010018 9315010018 8 Crossflow Fan Assy 9315024015 9315024015 9 Bearing C Assy 9306628017 9306628017

10 Casing Assy 9315331014 9315331014

22 R and L Louver 9311997016 9311997016 23 Spacer B 9312441013 9312441013 26 Drain Cap 9367677009 9367677009 27 Evaporator Assy 9315347015 9315347015 28 Evaporator Assy B 9315349019 9315349019 29 Connection Pipe Assy 9315354013 9315354013 30 Distributor Assy 9315350015 9315350015 31 Water Seal 9315251015 9315251015

MW24C3F MW24Y3F

㪧㪸㫉㫋㩷㪥㫆

㪦㫉㪻㪅㩷㪨㩾㫋㫐

32 Evaporater Holder R 9314994012 9314994012 33 Evaporater Holder L 9314995019 9314995019 34 Rear Bracket 9315022011 9315022011 35 Filter Guide 9315013019 9315013019 36 Filter Guard 9315411013 9315411013 37 Controller PCB Assy 9707090086 9707090079 38 Control Box 9314996023 9314996023 39 Control Cover 9314997020 9314997020

40 Motor Case 9314998027 9314998027 41 Terminal Earth 9315028013 9315028013 42 DC Brushless Motor 9602163014 9602163014 46 Motor, Step 9900384029 9900384029 47 Motor, Step 9900384036 9900384036 48 Motor, Step 9900139063 9900139063 52 Gear A 9309994003 9309994003 53 Terminal 9900385019 9900385019

55

- Remote Controller 9315027160 9315027153

2006.02.23 20

Display PCB Assy 9707210019 9707210019

OUTDOOR UNIT

Ref No.

Description

1 9309230057Top Panel Assy 2 9309228016Seal (Top) 3

Cabinet Sub Assy 4 9308884015Blow Grill 5

Cabinet Right Assy 6

Fan Ring 7

Grip 8

Switch Cover Assy

10

4-Way Valve

11

Pulse Motor Valve

12 9315303011Condenser Assy B 13

Condenser Assy 9315302014

14

Thermistor Spring A

16

Propeller Fan

18

Motor Bracket Assy

20

Base Assy

21

3-Way Valve Assy

22

2-Way Valve Assy

24

Cord Clamp

25

Terminal, 5 Pin

32

Expansion Valve Coil

33

Outdoor Temp. Thermistor

DC Brushless Motor

34 35

Parts No.

MR24C3F

9309230057 9309228016 9314809019 9308884015 9309236028 9308885012 9308880017 9309237049

9900163013 9900056018 9315303011

313728262708 9309909014 9313432027 9315296023

9315414014

9313062019 9307271014 9703874024 9900057039

9703516108 9602110018 9315297013Compressor Assy

MR24Y3F

9314809019

9309236028 9308885012 9308880017 9309237049

9900163013 9900056018

9315302014 313728262708 9309909014 9313432027 9315296023

9315414014

9313062019 9307271014 9703874024 9900057039

9703516108 9602110018 9315297013

36

Emblem Rear

37

Heat Exchanger Thermistor

38

Discharge Thermistor

39 9970055010Solenoid

40

Inverter PCB Assy

41

Power PCB Assy

42

Power PCB Assy

43

TR PCB Assy

44 9703457012ACTPM 45 0500158072Fuse Holder

46

Fuse

50

Pulse Motor Valve Assy

51

JNT PIPE(3WV)AS

52

PIPE(COND OLT)AS

53

PIPE(COND ILT)AS

54

Discharge Pipe Assy

55 9900366018Chock Coil

9312661015 9704220059

9704219091

9970055010

9707121124

9707128055 9707129052 9707125054

9703457012 0500158072

0600086039

9315310019 9315308016 9315304018 9315305015

9315312013

9900366018

9312661015 9704220059

9704219091

9707121124

9707128055 9707129052 9707125054

0600086039

9315310019 9315308016 9315304018 9315305015

9315312013

2006.03.14 21

STANDARD ACCESSORIES

Name and Shape Part No.

Wall hook bracket

9315023018

Remote control unit

Remote control unit holder

Battery (penlight)

Cloth tape

Tapping screw (big)

9315027160

(for cooling only)

9315027153

(for heat and cool)

9305642045

0600185534

9310519004

2006.02.23

0700076046

Tapping screw (small)

0700019036

Drain pipe

9301102000

(for heat and cool)

22

0602G3029

Friedrich MR24C3F, MW24C3F, MR24Y3F User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual