Friedrich MR24C3G, MW24C3G User Manual

SPLIT TYPE

ROOM AIR CONDITIONER

WALL WOUNTED TYPE

Indoor unit Outdoor unit

MW24C3G MR24C3G

CONTENTS

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

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

REFRIGERANT SYSTEM DIAGRAM. . . . .3

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

ERROR DETECTION . . . . . . . . . . . . . . . .

PARTS (indoor unit) . . . . . . . . . . . . . . . . . 12

PARTS (outdoor unit) . . . . . . . . . . . . . . . . 16

10

19ACCESSORIES . . . . . . . . . . . . . . . . . . . .

5INDOOR PCB CIRCUIT DIAGRAM . . . . . .

8OUTDOOR PCB CIRCUIT DIAGRAM . . . .

SPECIFICATIONS

ELECTRICAL DATA

INDOOR UNIT MW24C3G

OUTDOOR UNIT MR24C3G

COOLING CAPACITY 24,000 BTU, 7.03 kW

POWER SOURCE 208 / 230 V

FREQUENCY 60 Hz

RUNNING CURRENT

INPUT WATTS

E.E.R.

MOISTURE REMOVAL

AIR CIRCULATION HIGH 659 cfm, 1,120 m3/hr

MAXIMUM CURRENT 11.5 A

10.0 BTU/hW, 2.93 kW/kW

10.5 A

2.4 kW

6.3 Pt/h, 3.0 L/hr

FAN MOTOR

POWER SOURCE

High

Medium

INDOOR UNIT

Low

230 V

1,480 r.p.m.

1,220 r.p.m.

1020 r.p.m.

COMPRESSOR AND REFRIGERANT

Hermetic type, 4 pole,

TYPE

DISCRIMINATION

WEIGHT (with oil)

REFRIGERANT TYPE

PRECHARGED REFRIGERANT

Pipe length

FULL CHARGE

ADDITIONAL CHARGE

MAXIMUM HEIGHT DIFFERENCE

49 ft, 15 m

66 ft, 20 m

82 ft, 25 m

98 ft, 30 m

DC inverter motor,

Scroll

DA150A1F-20NA

22 lbs, 10.0 kg

R410A

2 lbs 14 oz, 1,300 g

2 lbs 14 oz, 1,300 g

3 lbs 1 oz, 1,400 g

3 lbs 5 oz, 1,500 g

3 lbs 8 oz, 1,600 g

0.21 oz/ft, 20 g/m

66 ft, 20 m

DIMENSIONS

INDOOR UNIT H x W x D

H x W x DOUTDOOR UNIT

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

320 x 998 x 228 mm

24-13/32 x 31-3/32 x 11-13/32

inch, 620 x 790 x 290 mm

OUTDOOR UNIT

NOISE LEVEL

INDOOR UNIT

OUTDOOR UNIT

Quiet

High

Medium

Low

Quiet

900 r.p.m.

1,100 r.p.m.

48 dB

42 dB

37 dB

33 dB

56 dB

WEIGHT

INDOOR UNIT Shipping / Net

OUTDOOR UNIT

Shipping / Net

40 lbs / 31 lbs

18 kg / 14 kg

97 lbs / 88 lbs

44 kg / 40 kg

12010.11.02

DIMENSIONS

Unit : inch (mm)

INDOOR UNIT

12-5/8 (320)

39-1/4 (998)

Drain hose length : 26-3/8 inch (670 mm)

OUTDOOR UNIT

11-13/32 (290) 31-3/32 (790)

9 (228)

21-1/4 (540)

22010.11.02

24-13/32 (620)

REFRIGERANT
SYSTEM DIAGRAM

3-way valve

Muffler

Sub-accumulator

Compressor

Heat exchanger

(Indoor unit)

2-way valve

Expansion valve

Strainer

Refrigerant direction

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

Heat exchanger

(Outdoor unit)

32010.11.02

INDOOR UNIT OUTDOOR UNIT

EX OUT ( OPTION )

EX IN ( OPTION )

PIPE THERMISTOR

BLACK
BLACK

3

3

2

2

1

1

ROOM THERMISTOR

WIRED REMOTE

( OPTION )

CN201

INDICATOR
PCB ASSY

7
6
5
4
3
2
1

WHITE

BLACK

WHITE
WHITE
WHITE
WHITE
WHITE

WHITE

WHITE

RED

BLACK
BLACK

7
6
5
4
3
2

RED

1

TM1

TM4 TM2

2
1

3
2
1

2
1

2
1

5
4
3
2
1

7
6
5
4
3
2
1

1

RED

TEST

2

3

CN13

CN16CN14

CN3CN1

CN6

CN11

REACTOR

5

4

BLUE

1

1

YELLOW

2

2

WHITE

3

3

BLACK

4

4

CN10

5

5

RED

6

6

BLUE

6

6

PINK

5

5

4

4

YELLOW

CN8

3

3

ORANGE

2

2

RED

1

1

BLUE

6

6

PINK

5

5

YELLOW

4

4

ORANGE

3

3

CN5

2

2

RED

1

1

BLUE

5

5

CONTROLLER PCB ASSY ( MAIN PCB )

PINK

4

4

YELLOW

3

3

CN2

ORANGE

2

2

RED

1

1

FAN MOTOR

FM

LOUVER

M

( DIFFUSER )

LOUVER

M

( UP / DOWN )

LOUVER

M

( RIGHT / LEFT )

WHITE

THERMISTOR
( DISCHARGE TEMP. )

THERMISTOR
( PIPE - MID. TEMP. )

THERMISTOR
( OUTDOOR TEMP. )

FUSE

5A

250V

GREEN

W5

BLACK

RED

WHITE

BLACK

or

WHITE

RED

W10
W11

W7
W8
W9

RED
WHITE
BLACK

CONTROLLER PCB ASSY

RED

1

1

2

2

3

3

BLACK

4

4

WHITE

5

5

YELLOW

6

6

BROWN

7

7

RED

1

1

BROWN

2

2

BLUE

3

3

ORANGE

4

4

YELLOW

5

5

WHITE

6

6

BROWN
BROWN

BLACK

BLACK

BLACK

BLACK

RED

WHITE

BLACK

1

1

2

2
3
4

2

1
2
3

CN71

3
4

121

CN72

1

CN70

2
3

W4

W2

W1

CN800

CN40

FUSE

BLACK

20A

250V

W3

GREEN

COMPRESSOR

R

CM

S

C

FM

FAN MOTOR

PMV

EXPANSION VALVE

THERMAL
FUSE 102

1

2 3

G

TERMINAL

1

2 3 L1 L2

TERMINAL

2010.09.21 4

G

CIRCUIT DIAGRAM

POWER SOURCE

INDOOR PCB
CIRCUIT DIAGRAM

OUTDOOR UNIT

WIRED REMOTE CONTROL

( OPTION )

L

N

SERIAL

EARTH

CN6-1 RED

CN6-2 WHITE

CN6-3 BLACK

TERMINAL BOARD

THERMAL

1

FUSE 102

2

3

EARTH TERMINAL

WHITE

TM1

22007

BLACK

TM4

22007

W5

GREEN

RED

TM2

22007

CONTROLLER PCB ASSEMBLY
( MAIN PCB )
K08CX-1001WSE-C1

CONTROL UNIT
EZ-0107WSE

INDICATOR PCB ASSEMBLY

K05CY-0500HSE-D0

LOUVER
( LEFT / RIGHT )

LOUVER
( UP / DOWN )

DIFFUSER

FAN MOTOR

M

M

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

1

2

3

4

5

1

2

3

4

5

6

1

2

3

4

5

6

6

5

4

3

2

1

CN2
SJH20-05WS

CN5
SJH20-06WS

CN8
B06B-PASK

CN10
B06B-XARK

CN11

B07B-PASK

CN14

B2B-XH

CN16

B3B-XH

CN3

JC25-02HG

CN1

2P-SAN

CN13

B5P-SHF-1AA

1

2

3

4

5

6

7

1

2

3

1

2

1

2

1

2

1

2

3

4

5

CN11-1 RED

CN11-2 WHITE

CN11-3 WHITE

CN11-4 WHITE

CN11-5 WHITE

CN11-6 WHITE

CN11-7 WHITE

XARR-03VF XAP-03V-1

CN3-1 RED

CN3-2 WHITE

CN2-1 BLACK

CN2-2 BLACK

CN13-1

CN13-2

CN13-3

CN13-4

CN13-5

EX I N

EX OUT

TEST

1

2

3

CN201

4

JB20-07HG

5

6

7

PIPE THERMISTOR

BLACK

BLACK

ROOM THERMISTOR

2010.11.02

5

K1-4

TM4

TM1

T1-12

330/
25V

THERMISTOR ( ROOM TEMP. )

CN1

150-103-86172

THERMISTOR ( PIPE TEMP. )

1

3

CN3

02 / 03 JC25 / XARR

1007 L=60

TO WIRES REMOTE CONTROL UNIT

RED

WHITE

BLACK

JUMPER SWITCH

INDOOR UNIT
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
K08CX-1001WSE-C1

3.15A
250V

C22

C19

+

<F>

C2

0.1

<F>

1

2

1

2

BLm18

<BD102>

CN6

B05B-XASK-1-A

F1

VA1

470V

<TNR>

0.1

5V

BLm18

<BD102>

L7

1

2

3

4

5

I C26-14

JM3

R2

10k

<1/10W>

1%

L6

12V

D1F60

7V

D2

5V

<1/10W>

I C26-10

TA4805AS(Q)

<1/10W>

JP5
0R0

R4

10k

I C2

I

123

G

R6

49.9k

1%

DAN217U

12V

C8

0.47

<LE>

O

C12

0.1

<F>

R14

1.0k

<1/10W>

R13

1.0k

<1/10W>

D3

3

1

12V

R17
10k

2

<1/10W>

C13

0.01
<F>

C14

0.01
<F>

C17
330/
25V

C15

0.1

<F>

C16

<F>

15.4k

<1/10W>

<1/10W>

<1/10W>

0.1

R21

1%

R22
28k

1%

R20

1.0k

+

SS21V

4 3

1

C18

10/

25V

12V

W5

L1

2

5V

+

6
5

2

3

L2

0.6A 10mH

D3SB60

C20, C21, C5, C7

0.1 <F> x 4

I C5-2

BA10393F

-

7

+

I C5-1

BA10393F

-

1

+

R31

390

<1/4W>

1%

D6

5V

<1/10W>

2

R30

10k

16

340V

1

3

4

C23

0.1

<F>

I C7-1

uLN2003

C32

0.01

<ECQE>

R45

100k

<RS-2W>

+

C6

100/

420V

I C8

TOP244

D

6

5

F

4

S

R34
12k

<1/10W>

C
L
X

R46

<1/2W>

1

2
3

UF4007

47

R38

15k

<1/10W>

C27

35V

A

R39

10k

5V

<1/10W>

5V

8

VCC

CS
SK

4

C26

0.1

<F>

DO

D I

7

NC
GND

5

NC

I C6

BR93L46RF

D7

Q7

2SA1037AK

<Q>

+

47/

<1/10W>

1
2
3

6

R42
270

47pF

2

1kV

C4

1SS355

C29

0.22
<B>

20V

D8

1

3

R49

5.6k

<1/10W>

D9

D1FL20U

+

R37, R40

10k <1/10W> x 2

<1/10W>

12V

8

I C 5

4

1

I C1-59

I C1-73

I C1-33

I C1-32

I C1-29

I C1-28

R54
0R0

5V

I C1-3

5V 15V

1 4

3

<1/10W>

1

C30

1000p

<R>

R43
330

2

I C10

PS2561L-1-V

R44

1.0k

<1/10W>

Q6

RT1N241M

I C1-43

2

T1

MY064

6
5
4
3
2
1

C35

0.01
<F>

4

3

I C15

C33

PS2561L-1-V

47/

35V

D4

D1FL20U

5V

CS

R52
10k

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

I C1-6

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

I C1-59

I C1-57

C73

10k

<1/10W>

R57, R60, R58, R59

330 <1/10W> x 5

R113

47

<1/10W>

R51

1.0k

<1/4W>

1%

3

R55
820

<1/4W>

5V

1%
R47
10k

<1/10W>

4

3

I C14

PS2561L-1-V

D12 D2FL20U

D10 D1FL20U

8
9

10

R64

1.8k

<1/10W>

1

2

I C1-43
I C1-42
I C1-41
I C1-40

I C1-38

3

2

1

X1

8.38MHz

<CSTLS>

<1/10W>

C36
100/
25V

+

A

A

15V

1

2

R56

4.7k

<1/10W>

R110

10k

1000/

R67
150

<1/10W>

+

C37

25V

I C18-5

uLN2003

5

uPD780148

44
43
42

41
40
39
38
18
19
20
21
22

23
24
25
80
79
78
77
76
75
74
73

7

6
5

4
64
63
62

61
60
59
58
57
14
12
13
15
16

C53

1000p

<R>

<1/4W>

C
3

A
2

TL431 I LPR

12

I C1

P01

EVDD
P02

P03
P04
P05
P06
P10
P11
P12
P13
P14

P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
P30

P31
P32

P120

P33

P130

P40

P140

P41
P42

P141
P142

P43

P143

P44

P144

P45
P46

P145

P47

AVREF

RST*

REGC

X1

GND

X2
XT1

AGND

EGND

XT2

<X7R>

15V

R63

6.8k

12V

T1-12

R48

R53

C38

0.1
<1/10W>

<F>

REF
1

I C19

5.6k

200k

<1/10W>

1%

R76

47k

<1/10W>

1%

C39

100/

50V

5V

VDD

9P00
31
56

P50

55

P51
P52

54

53

P53

52

P54
P55

51

50

P56

49

P57

33

P60
P61

32
29

P62

28

P63

48

P64

47

P65

46

P66

45

P67
P70

72
71

P71
P72

70
69

P73

68

P74

67

P75
P76

66
65

P77

3
17
26

27
34

35
36
37

1

8

I C

10
11

2
30

I C1-33
I C1-32
I C1-29
I C1-28

I C1-47
I C1-46

I C1-3
CS

R35
0R0

5V

5V

CN11

B07B-PASK-1

1

2

3

4

5

6

7

+

C40
100/
25V

340V

C1

0.1

A

C41

0.01
<B>

6

5

4

3

2

1

CN10

B5 ( 6-5 ) B-XARK-1-A

R79, R81 - R84

10k <1/10W> x 5

I C1-76

I C1-42

I C1-41

I C1-75

I C1-74

20V

+

A

C25

0.1

<F>

1

6 11

I C1-4

JM9
0R0

1.0k

<RS-2W>

16

2

INDICATOR PCB ASSY

MANUAL AUTO
SWITCH

SW1

KSMC632B

DC FAN MOTOR

R8

3 14

5V

I C20

78M15

1

I

I C18-6

uLN2003

15

4 13

330 <1/10W> x 4

C59, C47 - C49

0.1 <F> x 4

5V

R32
10k

<1/10W>

JM5

JM6

JM7

JM8

JM10

15V

3

O

G

2

C42

+

330/
25V

I C18-1 - I C18-4

uLN2003 x 4

4 13

R90 - R93

R33

1.0k

<1/10W>

C56

0.1

<F>

5

I C1-64

C28

0.01
<B>

I C16-4 - I C16-7

uLN2003 x 4

12

6

11

7

5V

R95, R97 - R99

10k <1/10W> x 4

<1/10W>

I C1-40

3 14

7

10

1

2

3

4

5

B5P-SHF-1AA

R88

1.0k

I C1-63

I C1-6

4

10

1

CN13

TM2

<1/10W>

C50

0.01
<B>

I C1-47
I C1-46

I C7-3 - I C7-6

uLN2003 x 4

13

5

16

2

TEST

5V

R104

<1/10W>

2

I C7-2

uLN2003

I C 2 6 H I 2 0 0 3 R 3

VA6

470V

<TNR>

1000p

C52

<R>

14 10

R106

1.0k

<1/2W>

I C26-14

3

2

Q10

1

RT1N241M

R108

10k

<1/10W>

R107

1.0k

<1/10W>

I C26-10

2

Q11

RT1N241M

5V

313

18

8 7 6 5

5V

R105

10k

R103

390

<1/10W>

I C1-38

12V

12

6 11

I C7-7, I C16-1 - I C16-3

uLN2003 x 4

15

3

14

12V 12V

9

I C 7

8 8

PKM13EPYH-4000-A0

10

7

I C18-7

uLN2003

L3

5V

0R0

R101

330

B3B-XH-AM

<1/10W>

C51

0.01
<B>

3

2

1

B2B-XH-AM

1

2

10k

15

PS2561L-1-V

4

3

R94
330

<1/10W>

I C25

1

2

L4

0R0

K10

G5NB-1A

4

2 3

12V

1

DAN202K

1 2

CN8

B06B-PASK-1

6

5

4

3

2

1

6

5

SJH-20-06WS

4

3

2

1

12V

9

I C 1 8

BZ1

<1/10W>

CN14

EXTERNAL I N

CN16

EXTERNAL OUT

5 4 3

D14

2

1

4

5V

3

2

1

R114

390

<1/10W>

C54

0.01
<B>

LOUVER ( DIFFUSER )

5

4

3

2

1

CN2

SJH20-05WS

LOUVER ( RIGHT / LEFT )

CN5

LOUVER ( UP / DOWN )

9

I C 1 6

8

12V

B Z

R109

10k

2010.08.30 6