Friedrich MR18Y3H Istruzioni per la costruzione

Models

MW18Y3HIndoor Units

Outdoor Units

MW18Y3H

MR18Y3H MR24Y3H

Service and Parts Manual

FRIEDRICH AIR CONDITIONING CO.

10001 Reunion Place, Ste. 500, San Antonio, TX 78216

(210) 546-0500 877-599-5665 x 261 FAX (210) 546-0630

Email: [email protected]

www.friedrich.com

Printed in the U.S.A.

TECHNICAL SUPPORT

CONTACT INFORMATION

FRIEDRICH AUTHORIZED PARTS DEPOTS

AAA Refrigeration Service

1322 24th Street, Suite B

Kenner, Louisiana 70062

504-464-7444

877-813-7444

Alamo Service Company

1450 North Flores Street

San Antonio, Texas 78212

210-227-2450

800-328-2450

The Gabbert Company

6868 Ardmore

Houston, Texas 77054

713-747-4110

800-458-4110

Johnstone Supply of Woodside

27-01 Brooklyn Queens Expway

Woodside, New York 11377

718-545-5464

800-431-1143

Reeve Air Conditioning, Inc.

2501 South Park Road

Hallandale, Florida 33009

954-962-0252

800-962-3383

CUSTOMER SATISFACTION and QUALITY ASSURANCE

Friedrich is a conscientious manufacturer, concerned about customer satisfaction, product quality, and

controlling warranty costs. As an Authorized Service Provider you play a vital role in these areas. By adhering

to the policies and procedures you provide us with vital information on each warranty repair you complete.

This information is used to identify product failure trends, initiate corrective action, and improve product

quality, thereby further reducing warranty expenses while increasing customer satisfaction levels.

INDOOR UNIT H x W x D

HxWxD

12-5/8 x 39-1/4 x 9 inch 320 x 998 x 228 mm

OUTDOOR UNIT 32-3/4 x 35-3/8 x 13 inch 830 x 900 x 330 mm

DIMENSIONS

INDOOR UNIT Shipping / Net

Shipping / Net

40 lbs / 31 lbs 18 kg / 14 kg

OUTDOOR UNIT 150 lbs / 135 lbs 68 kg / 61 kg

WEIGHT

SPECIFICATIONS

TYPE Cool & heat inverter

INDOOR UNIT

OUTDOOR UNIT

MW18Y3H

MR18Y3H

COOLING CAPACITY

HEATING CAPACITY

POWER SOURCE 208 V / 230 V

FREQUENCY 60 Hz

RUNNING CURRENT

MAXIMUM CURRENT

Cooling

Heating

INPUT WATTS Cooling

Heating

E.E.R. Cooling

COP Heating

MOISTURE REMOVAL

AIR CIRCULATION HIGH 541 cfm 920 m3/hr

18,000 BTU/h 5.28 kW

21,600 BTU/h 6.30 kW

6.3 A

14.5 A

8.0 A

1.38 kW

1.80 kW

13.0 BTU/kW 3.83 kW/kW

12.0 BTU/kW 3.50 kW/kW

5.9 Pt/h 2.8 L/hr

FAN MOTOR

TYPE Hermetic type, 6 pole, DC inverter motor, Rotary

DISCRIMINATION

WEIGHT WITH OIL

N-TF30ND1A

REFRIGERANT TYPE

PRECHARGED REFRIGERANT

R410A

4 lb 10 oz 2,100 g

34.2 lb 15.5 kg

POWER SOURCE 230 V

High speed 1,260 r.p.m.

INDOOR UNIT Middle speed 1,020 r.p.m.

Low speed 900 r.p.m.

Quiet

Cool

Heat

770 r.p.m.

OUTDOOR UNIT 620 r.p.m.

620 r.p.m.

ELECTRICAL DATA

COMPRESSOR AND REFRIGERANT

INDOOR UNIT

OUTDOOR UNIT

Cool 43 dB / Heat 44 dB

Cool 47 dB / Heat 50 dB

MW24Y3H

MR24Y3H

208 V / 230 V

60 Hz

659 cfm 1,120 m3/hr

22,000 BTU/h 6.50 kW

27,600 BTU/h 8.10 kW

7.9 A

15.5 A

10.5 A

1.76 kW

2.38 kW

12.5 BTU/kW 3.69 kW/kW

11.6 BTU/kW 3.40 kW/kW

6.3 Pt/h 3.0 L/hr

230 V

1,480 r.p.m.

1,220 r.p.m.

1,020 r.p.m.

900 r.p.m.

850 r.p.m.

800 r.p.m.

Cool 49 dB / Heat 49 dB

Cool 54 dB / Heat 55 dB

NOISE LEVEL

Pipe length 66 ft 20 m 4 lb 10 oz 2,100 g

FULL CHARGE 164 ft 50 m 7 lb 4 oz 3,300 g

ADDITIONAL CHARGE 0.43 oz/ft 40 g/m

DIMENSIONS

Unit : inch (mm)

Drain pipe diameter

Inside : 5/8 inch (16 mm)

Outside : 1-3/32 inch (28 mm)

Liquid pipe diameter : 3/8 inch (9.52 mm)

Gas pipe diameter : 5/8 inch (15.88 mm)

INDOOR UNIT

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

12-5/8"

(320)

Unit : inch (mm)

OUTDOOR UNIT

3"(77)

35-1/2" (900)

32-3/4" (830)

17-3/8" (440)

7/8"

(21)

3/8"

(9)

15-3/4" (400)

13" (330)

1-1/4"

(31)

1/2"

(12)

7-3/4" (196)

5-3/4" (147)

6-3/4" (170)

3-7/8"

(99)

14-5/8" (370)

25-5/8" (650)

Air Flow

REFRIGERANT

SYSTEM DIAGRAM

3-Way valve

(Small)

3-Way valve

(Large)

Strainer

Muffler

Pressure

switch

4-Way valve

Expansion

valve

Heat exchanger

( INDOOR )

Heat exchanger

( OUTDOOR )

Sub-accumulator

Compressor

Refrigerant pipe diameter

Liquid : 3/8" (9.52 mm)

Gas : 5/8" (15.88 mm)

Cooling flow

Heating flow

RED

BROWN

BLUE

BLACK

BROWN

BLACK

WHITE

YELLOW

ORANGE

BLUE

BROWN

RED

BROWN

YELLOW

WHITE

BLACK

RED

GREEN

WHITE

BLACK

WHITE

BLACK

VIOLET

WHITE

BLACK

WHITE

BLACK

GRAY

RED

WHITE

BLACK

BROWN

ORANGE

BLACK

RED

YELLOW

BLUE

WHITE

BLACK

BROWN

RED

ORANGE

YELLOW

12 3 4 5 6 7 8 9

12 3 4 5

12 3 4 5 12 3 4 5 6

12 3 4 5 6

12 3 4

121

CN90

CN64

CN62

CN65

CN63

CN500

CN700

CN800

CN1 CN110

TM600

TM601

CN100

W29

W28

W21

W20

W19

W18

W17

CN11

L2 L1

-I N

+I N

W13

W12

CN303 CN301 W306

W307

TM302

TM301

W17

W16

TM102

TM101

TM303

TM304

VTM305

CN42 CN40 CN200 CN400

L1L2321

COMPRESSOR

CHOKE COIL

TERMINAL BOARD

HIGH PRESSURE SWITCH

THERMISTOR ( COMPRESSOR TEMP. )

THERMISTOR ( OUTDOOR TEMP. )

THERMISTOR ( PIPE TEMP. )

THERMISTOR ( DISCHARGE TEMP. )

4-WAY VALVE

EXPANSION VALVE

FAN MOTOR

4WV

PMV

POWER SOURCE

TRANSISTOR

PCB ASSY

(IPM) A C T P M

CAPACITOR

PCB ASSY

POWER SUPPLY

PCB ASSY

INVERTER PCB ASSY

( MAIN PCB )

CN13

CN16CN14

CN10

CN3CN1

CN8

CN6

CN5

CN11

CN2

TM1

TM4 TM2 W5

CN201

BLUE

YELLOW

WHITE

BLACK

RED

BLUE

PINK

YELLOW

ORANGE

RED

BLUE

PINK

YELLOW

ORANGE

RED

BLUE

PINK

YELLOW

ORANGE

RED

GREEN

WHITE

RED

BLACK

WHITE

RED

BLACK

WHITE

RED

TEST

FAN MOTOR

M STEP MOTOR ( DIFFUSER )

M STEP MOTOR ( UP / DOWN )

M STEP MOTOR ( RIGHT / LEFT )

12 3

TERMINAL BOARD

EX OUT

( OPTION )

EX IN

( OPTION )

THERMISTOR ( PIPE TEMP. )

THERMISTOR ( ROOM TEMP. )

WIRED REMOTE CONTROL

( OPTION )

INDICATOR

PCB ASSY

THERMAL

FUSE 102

CONTROLLER PCB ASSY ( MAIN PCB )

INDOOR UNIT OUTDOOR UNIT

MW18Y3H / MR18Y3H

CIRCUIT DIAGRAM

L1L2321

POWER SOURCE

CN13

CN16CN14

CN10

CN3CN1

CN8

CN6

CN5

CN11

CN2

TM1

TM4 TM2 W5

CN201

BLUE

YELLOW

WHITE

BLACK

RED

BLUE

PINK

YELLOW

ORANGE

RED

BLUE

PINK

YELLOW

ORANGE

RED

BLUE

PINK

YELLOW

ORANGE

RED

GREEN

WHITE

RED

BLACK

WHITE

RED

BLACK

WHITE

RED

TEST

FAN MOTOR

M STEP MOTOR ( DIFFUSER )

M STEP MOTOR ( UP / DOWN )

M STEP MOTOR ( RIGHT / LEFT )

12 3

TERMINAL BOARD

EX OUT

( OPTION )

EX IN

( OPTION )

THERMISTOR ( PIPE TEMP. )

THERMISTOR ( ROOM TEMP. )

WIRED REMOTE CONTROL UNIT

( OPTION )

INDICATOR

PCB ASSY

THERMAL

FUSE 102

CONTROLLER PCB ASSY ( MAIN PCB )

INDOOR UNIT OUTDOOR UNIT

RED

BROWN

BLUE

BLACK

BROWN

BLACK

WHITE

YELLOW

ORANGE

BLUE

BROWN

RED

BROWN

YELLOW

WHITE

BLACK

RED

GREEN

WHITE

BLACK

WHITE

BLACK

VIOLET

WHITE

BLACK

WHITE

BLACK

GRAY

RED

WHITE

BLACK

BROWN

ORANGE

BLACK

RED

YELLOW

BLUE

WHITE

BLACK

BROWN

RED

ORANGE

YELLOW

12 3 4 5 6 7 8 9

12 3 4 5

12 3 4 5 12 3 4 5 6

12 3 4 5 6

12 3 4

121

CN90

CN64

CN62

CN65

CN63

CN500

CN700

CN800

CN1 CN110

TM600

TM601

CN100

W29

W28

W25

W26

W21

W20

W19

W18

W17

CN11

L2 L1

-I N

+I N

W13

W12

CN303 CN301 W306

W307

TM302

TM301

W17

W16

TM102

TM101

TM303

TM304

VTM305

CN42 CN40 CN200 CN400

CM COMPRESSOR

POSISTOR

CHOKE COIL

TERMINAL BOARD

HIGH PRESSURE SWITCH

THERMISTOR ( COMPRESSOR TEMP. )

THERMISTOR ( OUTDOOR TEMP. )

THERMISTOR ( PIPE TEMP. )

THERMISTOR ( DISCHARGE TEMP. )

4-WAY VALVE

EXPANSION VALVE

FAN MOTOR

4WV

PMV

TRANSISTOR

PCB ASSY

(IPM) A C T P M

CAPACITOR

PCB ASSY

POWER SUPPLY

PCB ASSY

INVERTER PCB ASSY

( MAIN PCB )

MW24Y3H / MR24Y3H

CN11-2 WHITE

CN11-1 RED

CN11-3 WHITE

CN11-4 WHITE

CN11-5 WHITE

CN11-6 WHITE

CN11-7 WHITE

CN3-2 WHITE

CN3-1 RED

CN2-2 BLACK

CN2-1 BLACK

CN13-1

CN13-5

CN13-4

CN13-3

CN13-2

BLACK

CN10-3 WHITE

CN10-2 YELLOW

CN10-1 BLUE

CN10-4 BLACK

CN10-6 RED

CN8-3 YELLOW

CN8-4 PINK

CN8-5 BLUE

CN8-2 ORANGE

CN8-1 RED

CN5-3 YELLOW

CN5-4 PINK

CN5-5 BLUE

CN5-2 ORANGE

CN5-1 RED

CN2-3 YELLOW

CN2-4 PINK

CN2-5 BLUE

CN2-2 ORANGE

CN2-1 RED

CN6-3 BLACK

CN6-2 WHITE

CN6-1 RED

CN2

SJH20-05WS

CN5

SJH20-06WS

CN8

B06B-PASK

CN10

B06B-XARK

CN13

B5P-SHF-1AA

CN1

2P-SAN

CN3

JC25-02HG

CN11

B07B-PASK

GREEN

CN201

JB20-07HG

TEST

XARR-03VF XAP-03V-1

ROOM THERMISTOR

PIPE THERMISTOR

EX IN

EX OUT

EARTH TERMINAL

LOUVER ( RIGHT / LEFT )

LOUVER ( UP / DOWN )

LOUVER ( DIFFUSER )

FAN MOTOR

WIRED REMOTE CONTROL UNIT

F. M.

EARTH

OUTDOOR UNIT

THERMAL

FUSE 102

TM2

22007

RED

TM1

22007

WHITE

TM4

22007

BLACK

TERMINAL BOARD

SERIAL

INDICATOR PCB ASSEMBLY

K05CY-0902HSE-D0

CONTROLLER PCB ASSEMBLY

MW18Y3H : K08CX-0903HSE-C1

MW24Y3H : K08CX-0904HSE-C1

CN14

B3B-XH-AM

CN16

B2B-XH-AM

CONTROL UNIT

MW18Y3H : EZ-0090HHSE

MW24Y3H : EZ-0090KHSE

INDOOR PCB

CIRCUIT DIAGRAM

12V

R88

1.0k

<1/10W>

C57

0.01

I C7-2

uLN2003ADR

0R0

C51

0.01

K10

G5NB-1A

0R0

R101

330

<1/10W>

CN14

B3B-XH-AM

CN16

B2B-XH-A

2 15 4

2 3

I C1-63

I C1-64

12V

R109

10k

<1/10W>

BZ1

PKM13EPYH-4000-A0

I C18-7

uLN2003ADR

710

12V

12V 12V 12V

IC7 IC18 I C 16

I C1-4

R90 - R93

330 <1/10W> x 4

R95, R97 - R99

10K <1/10W> x 4

C28

0.01

R33

1.0k

<1/10W>

SW1

KSMC632PB

R32

10k

<1/10W>

I C1-40

15V

3 2

CN11

B07B-PASK-1

C53

1000p

<R> +

C40

100/

25V

C41

0.01

R110

10k

<1/10W>

8.38MHz

<CSTLS>

R54

0R0

R57, R60, R58, R59

330 <1/10W> x 4

R113

<1/10W>

15V

R52

10k

<1/10W>

C26

0.1

<F>

R39

10k

<1/10W>

I C6

BR93L46RF-WE2

+R42

270

<1/10W>

C27

47/

35V

R38

15k

<1/10W>

R34

12k

<1/10W>

C29

0.22

+

C37

1000/

25V

R64

1.8k

<1/10W>

C33

47/

35V

D1FL20U

20V

C35

0.01

<F>

MY064

AREF

I O

R79, R81 - R84

10k <1/10W> x 5

R108

10k

<1/10W>

R107

1.0k

<1/10W>

C52

1000p

<R>

314

413

512

6 11

710

116

2 15

3 14

611

2 15

3 14

4 13

413

5 12

611

710

5V R51

1.0k

<1/4W>

15V

I C14

PS2561L-1

-V-F3 ( L )

R44

1.0k

<1/10W>

C30

1000p

<R>

R43

330

<1/10W>

RT1N241M

R47

10k

<1/10W>

R55

820

<1/4W>

R56

4.7k

<1/10W>

R63

6.8k

<1/4W>

340V

0.1

<X7R>

CN10

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

C36

100/

25V

C73

10k

<1/10W>

CN13

B6P-SHF-1AA

I C18-6

uLN2003ADR

15V

C56

0.1

<F>

I C20

78M15

C42

330/

25V

JM9

0R0

20V

C39

100/

50V

C25

0.1

<F>

1.0k

<RS-2W>

I C18-5

uLN2003ADR

I C1

uPD780148 5V

VCC

GND

D I

IC5

12V

C23

0.1

<F>

R30

10k

<1/10W>

12V

16 1

I C5-2

BA10393F

I C5-1

BA10393F

I C7-1

uLN2003ADR

R31

390

<1/4W>

12V

JP5

0R0

10k

<1/10W>

R17

10k

<1/10W>

DAN217U

R20

1.0k

<1/10W>

R21

15.4k

<1/10W>

R22

28k

<1/10W>

C16

0.1

<F>

C15

0.1

<F>

R14

1.0k

<1/10W>

R13

1.0k

<1/10W>

49.9k

<1/10W>

0.1

<F>

BLm18

<BD102>

BLm18

<BD102>

10k

<1/10W>

CN1

150-103-86174

0.1

<F>

CN3

02 / 03 JC25 / XARR

1007 L=60

CN6

B05B-XASK-1-A

D1F60

C14

0.01

<F>

I C2

BA05T

JM3

C22

0.1

<F>

C19

330/

25V

TM1

TM4

FSL 3.15A

250V

( EM )

FH1 FH2

VA1

470V

<TNR>

C13

0.01

<F>

0.47

<LE>-M

SS1V-R060330

TH1

5D2-10-LCS

100/

420V

GSIB460L I C8

TOP244YN

0.1

<F>

0.1

<F>

C21

0.1

<F>

C20

0.1

<F>

C18

10/

25V

C17

330/

25V

C12

0.1

<F>

2SA1037AK

<Q>

R46

<1/2W>

340V D7

UD7G-TB

R45

100k

<RS-2W>

C32

0.01

<ECQE>

12V

I C19

TL431I LPRE3

R76

47k

<1/10W>

C38

0.1

<F>

R53

5.6k

<1/10W>

R48

200k

<1/10W>

R67

150

<1/10W>

D12 D2FL20U

D10 D1FL20U

Q10

RT1N241M

C50

0.01

Q11

RT1N241M

D14

DAN202K

R106

1.0k

<1/2W>

C101

0.022 <LE>

TM2 VA6

470V

<TNR>

5V R105

10k

<1/10W>

R103

390

<1/10W>

R114

390

<1/10W>

C54

0.01

IC26

GK-LV3011E4

CN8

B06B-PASK-1

CN2

SJH20-05WS

CN5

SJH20-06WS

R49 5.6k <1/10W>

1SS355

47pF/

1kV

I C1-73

I C1-59

I C1-43

I C1-3

R37 10k <1/10W>

R40 10k <1/10W>

D1FL20U

I C1-33

I C1-32

I C1-29

I C1-28

I C1-47

I C1-46

I C1-38

I C1-47

I C1-46

I C1-6

I C26-14

I C26-10

I C1-3

T1-12

K1-4

I C26-14 I C26-10

4 3

T1-12

I C1-76

I C1-42

I C1-41

I C1-75

I C1-74

18 14 10 5 4 3 21

64 3 2 17

AUTO RESTART / PULAG ON

ROOM TEMPERARURE

CORRECTION - 1

REMOTE CONTROL SWITCH - 1

ROOM TEMPERARURE

CORRECTION - 2

REMOTE CONTROL SWITCH - 2

JM5

JM6

JM7

JM8

JM10

I C1-43

I C1-42

I C1-41

I C1-40

I C1-38

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

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

I C

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

I C1-33

I C1-32

I C1-29

I C1-28

I C10

PS2561L-1

-V-F3 ( L )

MANUAL AUTO SWITCH

I C25

PS2561L-1

-V-F3 ( L ) E. I. B. I N

TEST

C59, C47 - C49

0.1 <F> x 4

I C18-1 - I C18-4

uLN2003ADR x 4

I C16-4 - I C16-7

uLN2003ADR x 4

I C7-3 - I C7-6

uLN2003ADR x 4

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

uLN2003ADR x 4

LOUVER ( DIFFUSER )

LOUVER ( RIGHT / LEFT )

LOUVER ( UP / DOWN )

TO WIRED REMOTE CONTROL UNIT

RED

WHITE

BLACK

JP SWITCH

THERMISTOR ( PIPE TEMP. )

THERMISTOR ( ROOM TEMP. )

R35

0R0

I C15

PS2561L-1

-V-F3 ( L )

TP00351-31 x 2

R104

10k

<1/10W>

E. I. B. OUT

POWER SOURCE

INDOOR UNIT

CONTROLLER PCB ASSEMBLY

MW18Y3H : K08CX-0903HSE-C1

MW24Y3H : K08CX-0904HSE-C1

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