Friedrich MW09Y3H Building instructions

Models

MW09Y3HIndoor Units

Outdoor Units MR09Y3H

MW12Y3H

MR12Y3H

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.

S P E C I F I C A T I O N S

TYPE Cool & heat inverter

INDOOR UNIT MW12Y3H

OUTDOOR UNIT MR12Y3H

COOLING CAPACITY 11,500 BTU/h

(3.40 kW)

HEATING CAPACITY 14,000BTU/h

(4.11 kW)

POWER SOURCE 208 / 230 V

FREQUENCY 60 Hz

RUNNING

CURRENT

MAXIMUM

CURRENT

4.3 A

5.2 A

INPUT WATTS 0.92 kW

1.12 kW

E.E.R. Cooling 12.5 BTU/Wh

(3.69 kW/kW)

COP Heating

Cooling

Heating

Cooling

Heating

Cooling

Heating

12.5 BTU/Wh

(3.67 kW/kW)

MOISTURE REMOVAL

3.8 Pts/h (1.8 L/h)

AIR CIRCULATION HIGH 447 cfm (760 m3/h)

MW09Y3H

MR09Y3H

8,500 BTU/h

(2.50 kW)

10,000 BTU/h

(2.93 kW)

208 / 230 V

60 Hz

3.3 A

3.6 A

6.5 A

9.0 A

6.0 A

7.5 A

0.68 kW

0.76 kW

12.5 BTU/Wh

(3.68 kW/kW)

13.16 BTU/Wh

(3.86 kW/kW)

2.7 Pts/h (1.3 L/h)

FAN MOTOR

POWER SOURCE 230 V

High speed

INDOOR

UNIT

Cooling

Middle speed

Low speed

Quiet

High speed

INDOOR

UNIT

Heating

Middle speed

Low speed

Quiet

High speed

Middle speed

Low speed

Quiet

OUTDOOR UNIT Heating

650 r.p.m.

OUTDOOR UNIT Cooling

730 r.p.m.

1,300 r.p.m.

1,130 r.p.m.

900 r.p.m.

650 r.p.m.

1,300 r.p.m.

1,130 r.p.m.

950 r.p.m.

680 r.p.m.

760 r.p.m.

860 r.p.m.

ELECTRICAL DATA

INDOOR

UNIT

Cooling

High speed

Middle speed

Low speed

Quiet

INDOOR

UNIT

Heating

OUTDOOR UNIT Heating

NOISE LEVEL

43 dB

38 dB

33 dB

22 dB

43 dB

38 dB

33 dB

22 dB

43 dB

38 dB

33 dB

22 dB

43 dB

38 dB

33 dB

22 dB

46 dB 49 dB

OUTDOOR UNIT Cooling 46 dB 49 dB

COMPRESSOR TYPE

Hermetic type,

4 pole, 3 phase,

DC inverter motor, Rotary

DISCRIMINATION

DA89X1C-20FZ2

5SS072XAA

PRECHARGED REFRIGERANT

REFRIGERANT TYPE R410AR410A

30 oz (850 g)

25 oz (700 g)

WEIGHT (with oil) 20 lb (9.2 kg)13 lb (5.9 kg)

COMPRESSOR AND REFRIGERANT

Pipe length 49 ft (15 m)

FULL CHARGE 66 ft (20 m) 34 oz (950 g)

28 oz (800 g)

MAXIMUM PIPING HEIGHT 49 ft (15 m)

ADDITIONAL REFRIGERANT

0.21 oz/ft (20 g/m)

WEIGHT

INDOOR UNIT Shipping / Net

Shipping / Net

21 lb / 16.5 lb

(9.5 kg / 7.5 kg)

OUTDOOR UNIT

75 lb / 68 lb

(34 kg / 31 kg)

62 lb / 55 lb

(28 kg / 25 kg)

INDOOR UNIT H x W x D

H x W x D

11-1/32 x 31-3/32 x 7-25/32 inch

(280 x 790 x 198 mm)

OUTDOOR UNIT

21-1/4 x 25-31/32 x 11-13/32 inch

(540 x 660 x 290 mm)

DIMENSIONS

D I M E N S I O N S

unit : inch (mm)

11-1/32 (280)

7-25/32 (198)31-3/32 (790)

INDOOR UNIT

Refrigerant pipe length

Liquid : 15-3/16 inch (386 mm)

Gas : 12-15/16 inch (329 mm)

Drain hose length : 23-5/8 inch (600 mm)

Drain pipe diameter

Inside : 5/8 inch (15.8 mm)

Outside : 1-9/64 inch (29 mm)

OUTDOOR UNIT

25-31/32 (660)

18 (454)

21-1/4 (540)

11-13/32 (290)

R E F R I G E R A N T

S Y S T E M D I A G R A M

2-Way valve

Strainer

3-Way valve

Muffler

4-Way valve

Expansion valve

Refrigerant direction

Heat exchanger

(indoor unit)

Heat exchanger

(outdoor unit)

Compressor

Cooling flow

Heating flow

Refrigerant pipe diameter

Liquid : 1/4" (6.35 mm)

Gas : 3/8" (9.52 mm)

RED

WHITE

BLUE

YELLOW

WHITE

BLACK

RED

BLACK

BLUE

PINK

YELLOW

ORANGE

RED

GREEN

RED

WHITE

BLACK

CN1

1 2 3 4 5

1 2 3 4 5 6 7 8

CN8

CN3

CN201

CN5

CN4

CN7

CN6

CN2

GEARTH

TERMINAL

TERMINAL BOARD

1 2 3

TEST

PIPE THERMISTOR

ROOM THERMISTOR

STEP MOTOR

( LOUVER )

F MFAN MOTOR

INDICATOR

PCB ASSY

CONTROLLER

PCB ASSY

( MAIN PCB )

THERMAL

FUSE 102

COMPRESSOR

FAN MOTOR

EXPANSION VALVE COIL

4-WAY VALVE COIL

POWER SOURCE

TERMINAL BOARD 123 L1 L2

FUSE

250V 20A

FUSE

250V 5A

PIPE THERMISTOR

DISCHARGE THERMISTOR

OUTDOOR THERMISTOR

REACTOR REACTOR

CONTROLLER PCB ASSY

CN62

BLACK

CN61

W10

W11

CN800

CN40

CN501

BLACK

RED

WHITE

BLACK

GREEN

WHITE

RED

WHITE

RED

BLACK

WHITE

YELLOW

BROWN

RED

BROWN

BLUE

ORANGE

YELLOW

WHITE

RED

BLUE

ORANGE

YELLOW

WHITE

BLACK

PMV

4WV

F M

C M

C(T)W

R(R)U

S(S)V

RED

WHITE

BLACK

WHITE

RED

C M COMPRESSOR

MR09Y3H

MR12Y3H

INDOOR UNIT OUTDOOR UNIT

C I R C U I T D IA G R A M

BLACK

RED

ORANGE

YELLOW

PINK

BLUE

RED

WHITE

RED

BLACK

WHITE

YELLOW

BLUE

THERMISTOR ( PIPE TEMP. )

THERMISTOR ( ROOM TEMP. )

CN4

1971032-4

CN5

1971032-5

CN3

1971032-7

CN6

B5B-PH-K-S

CN8

SJH20-08WSF

CN7

B5 ( 6-5 ) B-XARK

FAN MOTOR

TEST

CN201

JB20-07

STEP MOTOR

( LOUVER )

F. M.

THERMAL

FUSE 102

BLACK

WHITE

RED

GREEN

EARTH TERMINAL

TERMINAL BOARD

12345

2 1

CN2

1871843-2

CN1

2013485-1

TO OUTDOOR UNIT

CONTROLLER PCB ASSEMBLY

MW09Y3H : K07AN-0907HSE-C1

MW12Y3H : K07AN-0908HSE-C1

INDICATOR PCB ASSEMBLY

K07BJ-0700HSD-D0

OPTION

CONTROL UNIT

MW09Y3H : EZ-00906HSE

MW12Y3H : EZ-00907HSE

I N D O O R P C B

C I R C U I T D I A G R A M

P32 P70 P71 P72 P73 P74 P75 P33 P63 P62 P61 P60

VDD

VSS

MD0

123

124

120

140

130

RST

P40

P41

P00

P01

P20

P21

P22

P23P24P25

P26P27

P10

P11

P12

P13

P14

P15

P16

P17

P30

P31

12 11 10 9 8 76 5 4 321

25 26 27 28 29 30 31 32 33 34 35 36

C24

0.1

<F>

C17

0.1

<F>

FCR8.0MC5T

8.00MHz

R48

0R0

C41

0.1

<F>

R46

1.0k

<1/10W>

R45

10k

<1/10W>

C50

1000p

<R>

15V-3

R37

<1/10W>

R25

10k

<1/10W>

C25

1000p

<R>

R36

10k

<1/10W>

15V-2 340V

R20

1.0k

<1/10W>

R21

10k

<1/10W>

C23

1000p

<R>

15V

R29, R28, R27

270 <1/10W> x 3

15V

I C8

TNY274PN

C12

0.1

<F>

1SS355

15V

BLm18

<BD102>

15V

JM1

0R0

15V-2 15V-3

R57

0R0

MY082N D3

D1FL20U

C10

220/

25V

+C9

330/

25V

D1FL20U

1.0k

<1/10W>

2SC4081

<R>

R11

27k

<1/10W>

R10

10k

<1/10W>

10k

<1/10W>

C11

0.1

<F>

I C6

TL431 I Z-AP

AREF

2SA1576A

<R>

150

<1/10W>

1.0k

<1/10W>

8 S

BP-M

EN-UV

UF4007

100k

<1/2W>

340V

0.01

<ECQE>

100

<1/4W>

C28

0.1

<F>

C31

0.1

<F>

15V

R38

1.0k

<1/10W>

R39

10k

<1/10W>

R40

1.0k

<1/10W>

R41

49.9k

<1/10W>

0R0 L6

0R0

R43

10k

<1/10W>

BZ1

PS1240P02BT

B Z

I C13-7

uLN2003ADR

10 7

C19

0.1

<F>

R44

10k

<1/10W>

I C12

S-93C56BD0 I

C36

0.1

<F>

R55

10k

<1/10W>

1VCC

TEST

GND NC

D I

11 6

I C13-6

uLN2003ADR

R35

<1/2W>

15V

C29

1000p

<E>

R12

1.0k

<1/2W>

JM2

0R0

R15

1.0K

<1/10W>

C21

0.01

<B>

R14

1.0k

<1/10W>

R13

10k

<1/10W>

RT1N241M

C20

0.01

<B>

I C13-1

uLN2003ADR

16 1

18 14 10 5 4 3 2 1

10 54 3 2 1

S1NBC60

+C4

68/

420V

I C 1 3

uLN2003ADR

I C13-2 uLN2003ADR

I C13-3 uLN2003ADR

I C13-4 uLN2003ADR

I C13-5 uLN2003ADR

152

R31 - R34

47 <1/10W> x 4

I C 1

uPD78F0514AGA

+C6

10/

25V

R26

8.2k

<1/10W>

DTA124EUA

RT1N241M

340V

R22

10k

<1/10W>

R30

100k

<1/10W>

R19

10k

<1/10W>

R23, R42

1.0k <1/10W> x 2

C15

0.1

<F>

C14

0.01

<B>

W-I N

W-OUT

5V 5V

R49, R51

10k <1/10W> x 2

0R0

FH1 FH2

FIH 250V 3.15A (EM)

VA1

470V

<ERZV>

0.1

<LE>

0.01

<F>

0.01

<F>

20*20*18

0.6A - 10mH

1 2

H I C 2

G K - L V 3 0 1 1 E 5

SS11V-06180

W-I N

W-OUT

CN2

1871843-2

TP00351-31 x 2

CN7

B5 (6-5) B-XARK-1

DC FAN MOTOR

CN3

1971032-7

TO INDICATOR PCB ASSY

CN5

1971032-5

STEP MOTOR ( LOUVER )

CN4

1971032-4

THERMISTOR ( PIPE TEMP. )

CN6

B5B-PH-K-S

TEST

TIMER SHORT SCK

D I

TO TERMINAL BOARD

POWER RELAY DRAIVE

CN1

2013485-1

BLACK

WHITE

RED

TO TERMINAL BOARD FAN

( Vsp )

FAN

( Vcc )

CN8

SJH20-08WS

TO OPTION PCB ASSY

INDOOR UNIT

CONTROLLER PCB ASSEMBLY ( MAIN PCB )

MW09Y3H : K07AN-0907HSE-C1

MW12Y3H : K07AN-0908HSE-C1

THERMISTOR ( ROOM TEMP. )

I C201

GP1UM261RKVF

R202

<1/4W>

C202

47/

10V

C203

0.1

<F>

SW201

KSHG0611BT

CN201

07 JB20 / GIC

1061 L=230

VCC

OUT

GND

D201 SLR-343MC <GREEN>

D203 SLR-343YC <YELLOW>

D202 SLR-343DC <ORANGE>

MANUAL AUTO SWITCH

INDOOR UNIT

INDICATOR PCB ASSEMBLY

K07BJ-0700HSD-D0

RED

BLACK

WHITE

YELLOW

BROWN

BLACK

RED

BROWN

BLUE

ORANGE

YELLOW

WHITE

UL3271 AWG16 x 3

RED

WHITE

BLACK

C. M. COMPRESSOR

4-WAY VALVE COIL

F. M. DC FAN MOTOR

EXPANSION VALVEM

CN40

B6B-XARK-1-A

RED

CN800

B5 ( 7-2.3 ) B-XASK-1-A ( LF ) SN

WHITE

CN501

MR09Y3H : 1747052-3

WHITE

MR12Y3H : 2-1747052-3

BLUE

REACTOR

UL3271 AWG14 x 2

WHITE

RED

W10

B B

W11

W1 B

W2 B

W4 B

W3 B

CN61

1971032-4

WHITE

CN62

1971032-3

WHITE

EARTH

F201

20A - 250V

F202

5A - 250V

UL1015 AWG16

GREEN

UL1015 AWG20

RED

UL1015 AWG14

WHITE

UL1015 AWG14

BLACK

THERMISTOR ( DISCHARGE TEMP. )

THERMISTOR ( PIPE TEMP. )

THERMISTOR ( OUTDOOR TEMP. )

TERMINAL

SERIAL

TO INDOOR UNIT

POWER SOURCE

AC208 - 240V

50 / 60Hz

W103

UL1015

AWG20

BLACK

W100

UL1015

AWG20

WHITE

W102

UL1015

AWG20

BLACK

W101

UL1015

AWG14

BLACK

BW7

BW8

BW9

EMI FILTER

ZCAT2132-1130

CONTROLLER PCB ASSEMBLY

MR09Y3H : K07CJ-0925HUE-C1

MR12Y3H : K07CJ-0926HUE-C1

INVERTER ASSEMBLY

MR09Y3H : EZ-009LHUE

MR12Y3H : EZ-009MHUE

O U T D O O R P C B C I R C U I T D I A G R A M

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