Friedrich MR24C3F 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 . . .

DISASSEMBLY ILLUSTRATION ....... 14

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

STANDARD ACCESSORIES

..........

Models

Indoor unit Outdoor unit

MW24C3F MR24C3F

MW24Y3F MR24Y3F

SPECIFICATIONS

INDOOR UNIT

MW24C3F MW24Y3F

OUTDOOR UNIT

MR24C3F MR24Y3F

COOLING CAPACITY

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

HEATING CAPACITY

- 27,600 BTU/hr

POWER SOURCE

208 V / 230 V 208 V / 230 V

FREQUENCY

60Hz 60Hz

RUNNING CURRENT COOLING

10.1 A 10.1 A

HEATING

- 10.8 A

INPUT WATTS COOLING

2,310 W 2,310 W

HEATING

- 2,470 W

SEER

18.0 18.0

MOISTURE REMOVAL

6.3 Pts/hr

(3.0 L/hr)

6.3 Pts/hr

(3.0 L/hr)

AIR CIRCULATION -High 647 cfm

(1,100 m3/hr)

647 cfm

(1,100 m3/hr)

ELECTRICAL DATA

COMPRESSOR

FAN MOTOR

DIMENSIONS

TYPE

Hermetic motor compressor,

4 poles, Involute scroll type

DISCRIMINATION

POWER SOURCE

5CS160 XAA23

208 V / 230 V 60Hz

REFRIGERANT R410A

3 lb. 8 oz ( 1,600 g )

POWER SOURCE

208 V / 230 V

HIGH

1,310 r.p.m.

1,120 r.p.m.

940 r.p.m.

830 r.p.m.

1,000 r.p.m.

-1,050 r.p.m.

1,000 r.p.m.

INDOOR UNIT MED

COOL

HEAT

LOW

QUIET

OUTDOOR UNIT

INDOOR UNIT HxWxD

HxWxD

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

OUTDOOR UNIT

WEIGHT

INDOOR UNIT Gross / Net

Gross / Net

40 / 31 lbs. (18 / 14 kg )

OUTDOOR UNIT

106 / 97 lbs. (48 / 44 kg )

320 x 998 x 228 mm

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

578 x 790 x 315 mm

NOISE LEVEL

REFRIGERANT CHARGE (R410A)

HIGH

47 dB

41 dB

36 dB

32 dB

C47dB / H45dB

C41dB / H41dB

C36dB / H36dB

C32dB / H32dB

52 dB C52dB / H53dB

INDOOR UNIT MED

LOW

QUIET

15 m

20 m

25 m

30 m

OUTDOOR UNIT

FULL CHARGE

AMOUNT

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

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

ADDITIONAL CHARGE

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

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

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

2006.03.14 1

11-13/16" (300)

2-3/8"

(60)

31-1/8" (790)

23-1/4" (540)

20" (508)

3/4" (20)

4-15/16" (125)

12-5/8" (320)

1-7/8" (48)

13-11/16" (347)

22-3/4" (578)

3/8"

(10)

2006.02.23

OUTLINE AND DIMENSIONS

Unit : inch (mm)

OUTDOOR UNIT

INDOOR UNIT

39-1/4" (998) 9" (228)

12-5/8"

(320)

REFRIGERANT SYSTEM DIAGRAM

2-Way

valve

Strainer

3-Way

valve

Muffler

4-Way valve

Expansion valve

Heat exchanger

( INDOOR )

Heat exchanger

( OUTDOOR )

Sub-accumulator

Compressor

Cooling

Heating

MW24C3F / MR24C3F

MW24Y3F / MR24Y3F

Models :

Refrigerant pipe diameter

Liquid : 1/4" (6.35 mm)

Gas : 5/8" (15.88 mm)

2006.02.23 3

CIRCUIT DIAGRAM

2004.11.09 4

2006.02.23 5

CN11

B07B-9ASK

CN201

JB20-07HG

CN11-1 RED

CN11-2 WHITE

CN11-3 WHITE

CN11-4 WHITE

CN11-6 WHITE

CN11-7 WHITE

CN11-5 WHITE

CN6

5P-SAN

CN2

SJH20-05WS

CN5

SJH20-06WS

CN8

B06B-PASK

CN10

B06B-XARK

CN3

2P-SCN

CN1

2P-SAN

CN13

B5P-SHF-1AA

CN3-1 BLACK

CN3-2 BLACK

CN1-2 BLACK

CN1-1 BLACK

CN13-1

CN13-2

TEST

PIPE TEMPERATURE THERMISTOR

ROOM TEMPERATURE THERMISTOR

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

CN10-1 BLUE

CN10-2 YELLOW

CN10-3 WHITE

CN10-4 BLACK

CN10-6 RED

FAN MOTOR

DIFFUSER

LOUVER

( UP / DOWN )

LOUVER

( RIGHT / LEFT )

OUTDOOR

UNIT

W4 TM2

22007

TM4

22007

TM1

22007

GREEN RED WHITE BLACK

THERMAL

FUSE 103

EARTH TERMINAL

SERIAL

EARTH

TERMINAL BOARD

INDICATOR PCB ASSY

K05CY-0500HSE-D0

CONTROLLER PCB ASSY

MW24C3F : K05CX-0507WSE-C1

MW24Y3F : K05CX-0506HSE-C1

F. M.

CONTROL UNIT

MW24C3F : EZ-005CWSE

MW24Y3F : EZ-00523HSE

INDOOR PCB CIRCUIT DIAGRAM

Models :

MW24C3F

MW24Y3F

VA6

470V

<TNR>

R106

1.0K

</2W>8

TM2

(3)

D14

DAN202K

Q11

DTC124EUA

1Q10

DTC124EUA C54

0.01

R114 390

<1/10W>

10 54321

827 654

I C26-14

I C26-10

321

I C1-6

I C1-47

I C1-46

R105

10K

<1/10W>

C50

0.01

(95)

R103

390

<1/10W>

280V

(90)

I C27

PS2501L-1

D15

MTZJ30B

R111 330K

<1/2W>

R111 330K

<1/2W>

R112 62K

<1/2W>

I C1-38

C52

1000P

<R>

Q12

DTC144EUA

R107

1.0K

<1/10W>

R108

10K

<1/10W>

12V

(4)

12V

IC7 I C18 I C16

999

(59)

(58)

(57)

(56)

(55)

(54)

(53)

I C7-3 uLN2003

I C7-4 uLN2003

I C7-5 uLN2003

I C7-6 uLN2003

(52)

(51)

(50)

(49)

(48)

12V

I C7-7 uLN2003

I C16-1 uLN2003

I C16-3 uLN2003

I C16-2 uLN2003

710

116

215

314

I C18-6 uLN2003

I C18-1 uLN2003

I C18-2 uLN2003

I C18-3 uLN2003

I C18-4 uLN2003

I C16-4 uLN2003

I C16-5 uLN2003

I C16-6 uLN2003

I C16-7 uLN2003

611

116

215

314

413

512

611

710

12V

I C18-7

uLN2003

(72)

R109 10K

<1/10W>

BZ1

(101)

(43)

(44)

R101 330

<1/10W>

BLm11

<A601>

I C25

PS2561L-1-V

BLm11

<A601>

C51

0.01

CN14

R102 390 <1/10W>

R104 10K <1/10W>

CN16

(42)

(45)

(46)

12V

K10

G5N-1A

R94 330

<1/10W> I C22

PS2561L-1-V

R88 1.0K

<1/10W>

I C7-2

uLN2003

215

I C1-64

I C1-63

R79, R81 - R84

10K <1/10W> x 5 5V

I C1-76

I C1-42

I C1-41

I C1-75

I C1-74

JM5

JM6

JM7

JM8

JM10

AUTO RESTART / PLUG ON

TEMPERATURE CORRECTION-1

TEMPERATURE CORRECTION-2

REMOTE CONTROL SWITCHING-1

REMOTE CONTROL SWITCHING-2

(20)

15V

C56

0.1

<F>

I C20

78M15

(19)

C42

330/

25V

R77 10K

<1/10W>

R78 10K

<1/10W>

R8 1.0K <RS - 2W>

20V

(18)

C25

0.1

<F>

C39

100/

35V

I C17

PS2501L-1

R72 100K <1/10W>

I C18-5

uLN2003

R65 330

<1/10W>

IC1

uPD780148 5V

512

I C1-43

I C1-42

I C1-41

I C1-40

I C1-39

I C1-38

ALAM

I C1-28

I C1-47

I C1-46

I C1-3

VPP

BEN

R7 100K

<1/10W>

P00

P01

P02

P03

P04

P05

P06

P10

P11

P12

P13

P14

P15

P16

P17

P20

P21

P22

P23

P24

P25

P26

P27

P30

P31

P32

P33

P40

P41

P42

P43

P44

P45

P46

P47

RST*

XT1

XT2 EGND

AGND

GND

REGC

AVREF

P145

P144

P143

P142

P141

P140

P130

P120

P77

P76

P75

P74

P73

P72

P71

P70

P67

P66

P65

P64

P63

P62

P61

P60

P57

P56

P55

P54

P53

P52

P51

P50

EVDD

VDD

(75)

8.38MHz

<CSTLS>

C34

0.1

<F>

0R0

R110 10K

<1/10W>

RESET

VDD

VOUT

GND

5V R54 10K

<1/10W>

IC11

BD4842

C31

0.1

<F>

R57 330 <1/10W>

R60 330 <1/10W>

R58 330 <1/10W>

R59 330 <1/10W>

R113 47

<1/10W>

I C1-3

C53

1000P

<R>

C40

100/

16V

+C41

0.01

SW1

(74)

(71)

(70)

(69)

(68)

(67)

(66)

(65)

CN11

1I C1-40

(73)

C28

0.01

R33 1.0K

<1/10W>

R32 10K

<1/10W>

MANUAL AUTO SWITCH

(79)

R115

10K

<1/10W>

CN20 (78)

2I C1-39

C55

0.01

R116 1.0K

<1/10W>

(13)

(12)

(11)

R63 6.8K

<1/4W>

15V

15V (14)

(15)

340V

0.1

<HCP>

(100)

15V

R43 330

<1/10W>

I C10

PS2501L-1

DTC124EUA

I C1-43 2

R51 1.0K

<1/4W>

R47 10K

<1/10W>

R55

820

<1/4W>

C36

100/36V

I C14

PS2501L-1

R44

1.0K

<1/10W>

C30

1000P

<R> R56

4.7K

<1/10W>

I C7-1

uLN2003

R31 390

<1/4W>

R30

10K

<1/10W>

I C5-1

BA10393F

I C5-2

BA10393F

C23

0.1

<F>

IC5

I C1-28

I C1-73

16 1

12V

100K

<1/10W>

R52

100K

<1/10W>

R35

IC6

BR93LC46

R39 10K <1/10W>

C26

0.1

<F>

VCC

GND

I C1-76

I C1-75

I C1-73

I C1-74

I C1-6

I C1-4

I C1-64

I C1-63

VPP

RESET

5V 5V

R37 10K <1/10W>

R40 10K <1/10W>

CN9 (91)

(92)

(93)

(94)

C15

0.1

<F>

R14 1.0K

<1/10W>

R2 10K

<1/10W>

CN1

ROOM TEMPERATURE

R6 49.9K

<1/10W>

C16

0.1

<F>

R13 1.0K

<1/10W>

12V

CN6

JP5

12V

R4 10K

<1/10W>

12VD2

D1F60

DAN217U

(86)

(87)

(88)

(89)

R17

10K

<1/10W>

R20 1.0K <1/10W>

R22 28K

<1/10W>

R21 15.4K

<1/10W>

REMOTE CONTROL UNIT

<RED>

<WHITE>

<BLACK>

JP SWITCHING

RESET

LED FOR INDICATOR & REMOTE CONTROL UNIT

LED

CN10

DC FAN

THE CIRCUIT FOR FAN MOTERS

I C1-4

C59 0.1 <F>

C47 0.1 <F>

C48 0.1 <F>

C49 0.1 <F>

R90 - R93

330 <1/10W> x 4

R95 10K <1/10W>

R97 10K <1/10W>

R98 10K <1/10W>

R99 10K <1/10W>

TEST

CN13

(31)

(32)

(33)

(34)

(35)

OUTSIDE COMMUNICATION

OUTPUT

OUTSIDE COMMUNICATION

INPUT

BUZZER

LUVER OPERATING CIRCUIT

ABNOMAL VOLTAGE DETECTOR

OFGERING POWER

IC26

H I C FOR SERIAL COMMUNICATIONS

POWER RELAY

JP SETTING

15V LINE ON-OFF CONTROL

12V

R76 7.87K

<1/10W>

R48

34K

<1/10W>

I C19

TL431 I LPR

C37

820/

25V

REF

0.7A - 5.0MH

TH1

5D-11

280V

GS I B460L

150/

315V

IC8

TOP243

R34 6.8K

<1/10W>

R38

15K

<1/10W>

C27

47/

16V

R42

270

<1/10W>

C29

0.1

<F>

2SA1037AK

<Q>

R45 100K

<RS - 2W> C32

0.01

<ECQE>

1NH42

R46

<1/2W>

R49 10K <1/10W>

1SS355

20V

100P

<D>

D9 D1FL20U

C35

0.01 <F>

VA2

470V

<TNR>

VA3

470V

<TNR>

MY064

R64

1.8K

<1/10W>

I C15

PS2501L-1

D1FL20U

C33

33/

35V

1T1-12

D12 D2F20U

D10 D1FL20U

C38

0.1 <F>

R53

5.6K

<1/10W>

R70

1.2K

<1/10W>

R67

150

<1/10W>

C8 0.47

275V

(76)

(96)

(97)

JM3

+C22

0.1

<F>

(1)

(77)

C19

330/

25V

T1-12

TM1

(2)

FH1 FH2

VA1

470V

<TNR>

K1-4

I C26-14 I C26-10

IC2

NJM7805

VA4

470V

<TNR>

VA5

470V

<TNR>

C21

0.1

<F>

C20

0.1

<F>

C12

0.1

<F>

C18

10/

25V

C17

330/

25V

EEPROM

ROOM TEMP. PIPE TEMP. THERMISTOR

THE SWITCH FOR OPENING

AND CLOSING OF A PANEL

POWER SUPPLY CIRCUIT

REMOTE CONTROL COMMUNICATION

DW12D1

K1-4

CN8

DIFFUSER

CN2

RIGHT / LEFT

UP / DOWN

CN5

TM4

C13 0.01

250V

C14 0.01

250V

PIPE TEMPERATURE CN3

(36)

(37)

BLm18

<BD102>

BLm18

<BD102>

JM9

2SA1036(R)

2006.02.23 6

CONTROLLER PCB ASSY

MW24C3F : K05CX-0507WSE-C1

MW24Y3F : K05CX-0506HSE-C1

Models :

MW24C3F

MW24Y3F

CN201

C201

0.1

<F>

+ C202

47/

10V

R201

<1/4W>

I C201

GP1UM261R

D201

SLR-325

D203

SLR-325

D202

SLR-325 5

VCC

OUT

GND

INDICATOR PCB ASSY

K05CY-0500HSE-D0

Models :

MW24C3F

MW24Y3F

2006.02.23 7

UL1007 AWG24 RED

TM101

TM102

W16

D100

D25XB60

W17

W18

W17

W19 W20 W9 W21EARTH CN100

W28

W29

TM301

TM302

W12

W13

W307

W306

L1 L2

CHOKE COIL

L = 0.3MH 30A

TM600

TM601

COMPRESSOR

EMI FILTER

F200

TLC 25A - 250V, B

EMI FILTER

UL1015

AWG14

WHITE

UL1015

AWG14

BLACK

UL1015

AWG20

RED

UL1015

AWG20

BLACK

UL1015

AWG20

WHITE

UL1015

AWG16

GREEN

UL1015

AWG14

BLACK

POWER SOURCE

AC220 - 240V

50 / 60Hz

INDOOR UNIT

DC FAN MOTOR

EXPANSION VALVE

4-WAY VALVE

DISCHARGE TEMP. THERMISTOR

PIPE TEMP. THERMISTOR

OUTDOOR TEMP. THERMISTOR

BROWN

BLACK

BLUE

CN60

B2B-XH-AM YEL

YELLOW

CN61

B2B-XH-AM RED

RED

CN62

B2B-XAEK-1-A

BLUE

CN500

B2P3-VH-B-C

WHITE

CN700

B6B-XARK-1-A

RED

CN801

B5P6-VH-B-L

WHITE

DC FAN MOTOR

BLACK

WHITE

YELLOW

ORANGE

BLUE

BROWN

RED

BLACK

WHITE

YELLOW

BROWN

SERIAL

RED

CN110

B2P3-VH-B-Y

YELLOW

AC VOLT I N CT I N / OUT

CN1

B2B-XH-AM BLK

BLACK

POWER RELAY CONTROL

4321

CN400

B4B-XASK-1-A

WHITE

ACTPM CONTROL DC VOLT I N

CN200

B2P4-VH-B-M

WHITE 411

2345678910

CN40

B10B-XASK-1

WHITE

I PM CONTROL PEAK LOAD CURRENT

C42

B2B-XH

WHITE 21

12345678910 21

CN301

B10B-XASK-1

WHITE

I PM CONTROL

CN303

B2B-XH-AM

WHITE

PEAK LOAD CURRENT

UL1007 AWG24 BROWN

UL1007 AWG24 RED

UL1007 AWG24 BROWN

UL1007 AWG24 RED

UL1007 AWG24 ORANGE

UL1007 AWG24 YELLOW

UL1007 AWG24 GREEN

UL1007 AWG24 BLUE

UL1007 AWG24 PURPLE

UL1007 AWG24 GRAY

UL1007 AWG24 BLACK

UL1007 AWG24 WHITE

UL1015 AWG20 BLACK

UL1015 AWG20 WHITE

UL1015 AWG14 BLACK

UL1015 AWG14 GRAY

UL1007 AWG24 WHITE

UL1007 AWG24 YELLOW

UL1007 AWG24 ORANGE

UL1007 AWG24 RED

UL1007 AWG24 BROWN

4321

UL1015 AWG20 WHITE

UL1015 AWG20 BLACK

03VH/SIN 1015 L250

TM305

TM304

TM303

UL1015 AWG14 x 3

BLACK

WHITE

RED

UL1015

AWG14

WHITE

UL1015

AWG14

WHITE

UL1015

AWG14

WHITE

UL1015

AWG14

VIOLET

UL1015

AWG14

BLUE

UL1015

AWG14

YELLOW

UL1015 AWG14 RED

UL1015 AWG14 BLACK

UL1015 AWG14 ORANGE

UL1015 AWG14 BROWN

CT I N / OUT

F100

FSL 3.15A - 250V (EM)

F. M.

C. M.

EMI FILTER x 2

CONTROLLER PCB ASSY

K05CU-0507HUE-C1

POWER SUPPLY PCB

K05CW-0500HUE-FL0

ACTPM

I C 404

SACT32010F1

CAPACITOR PCB ASSY

K05DG-0500HUE-P0

TR PCB ASSY ( I P M )

K05CZ-0500HUE-TR0

2006.02.23 8

INVERTER ASSY

EZ-0050AHUE

OUTDOOR PCB CIRCUIT DIAGRAM

Models :

MR24C3F

MR24Y3F

C64

10K

<1/10W>

C64

10K

<1/10W>

2006.02.23 9

CONTROLLER PCB ASSY

K05CU-0507HUE-C1

Models :

MR24C3F

MR24Y3F

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