Friedrich MR09Y3H, MR12Y3H manual FH1 FH2

Page 8

INDOOR UNIT

CONTROLLER PCB ASSEMBLY ( MAIN PCB ) MW09Y3H : K07AN-0907HSE-C1 MW12Y3H : K07AN-0908HSE-C1

CN1 2013485-1

BLACK 1

F1

FIH 250V 3.15A (EM)

FH1 FH2

TP00351-31 x 2

 

 

L5

 

L1

20*20*18

SS11V-06180

0.6A - 10mH

1

2

D5

S1NBC60

340V

TO TERMINAL BOARD

WHITE 3

RED 5

VA1

C1

470V

0.1

<LE>

<ERZV>

 

18 14

1814

C29

1000p

<E>

R12

1.0k

C3

 

 

 

 

 

 

 

0.01

 

 

 

 

2

+

1

<F>

 

 

 

 

 

 

 

 

 

 

 

 

 

C2

 

 

 

 

3

- 4

0.01

 

 

 

 

 

 

 

<F>

 

 

 

 

 

 

 

4

3

 

 

 

 

 

 

W4

 

 

 

 

 

 

 

H I C 2

 

 

 

 

 

 

 

G K - L V 3 0 1 1 E 5

 

 

 

 

 

 

 

 

 

 

 

 

5V

 

 

10

5

4

3

2

1

 

 

10

5

4

3

2

1

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

JM2

 

A

 

 

 

 

 

0R0

 

 

 

 

 

 

 

 

 

 

 

 

 

R15

 

C21

 

 

 

 

 

1.0K

 

0.01

 

 

 

 

 

<1/10W>

 

<B>

 

R3

C5

 

T1

 

 

 

15V

 

 

 

 

FAN

 

FAN

 

 

100k

0.01

 

 

D3

 

 

 

 

 

( Vcc )

 

( Vsp )

 

 

MY082N

 

 

 

 

 

 

 

 

 

<1/2W>

<ECQE>

 

 

D1FL20U

 

 

 

 

 

15V

15V-2

 

15V-3

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

R2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JM1

 

R57

 

 

 

 

100

2

 

9

C10

 

 

 

L2 5V

 

 

 

 

 

 

 

+

C9

 

 

0R0

 

0R0

 

 

 

 

<1/4W>

 

 

 

 

 

 

 

 

 

C4

3

 

8

220/

 

330/

 

BLm18

 

 

 

 

 

 

+

D2

 

25V

 

 

 

 

 

 

 

 

68/

4

 

7

 

25V

 

<BD102>

 

 

 

 

 

 

420V

UF4007

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D4

+

 

 

 

 

 

 

 

 

 

 

 

5

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D1FL20U

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

R6

R7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

150

1.0k

 

 

 

 

 

 

 

 

 

 

I C8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

<1/10W> <1/10W>

 

 

 

 

 

 

 

 

TNY274PN

 

 

 

R11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R10

 

 

 

 

 

 

 

5 S

D 4

D7

 

 

27k

 

 

 

 

 

 

 

 

 

 

6 S

 

1SS355

 

<1/10W>

 

 

 

10k

 

 

 

 

 

 

 

7 S

BP-M 2

 

 

 

 

 

 

C11

<1/10W>

 

 

 

 

 

 

 

8 S

EN-UV 1

 

 

 

 

Q6 1

2

0.1

1%

 

 

 

 

 

 

 

 

 

 

 

 

 

2SA1576A

<F>

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C12

3

 

 

 

<R> 3

 

 

 

 

15V

 

 

 

 

 

 

0.1

2

R8

 

 

 

I C6 C

 

R9

 

9

 

 

 

 

 

 

<F>

1 Q5

 

 

TL431 I Z-AP A REF

10k

 

I C 1 3

 

 

 

 

 

 

 

2SC4081

1.0k

 

 

 

 

 

<1/10W>

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

<1/10W>

 

 

 

 

 

 

 

15V

 

 

 

 

<R>

 

 

 

1%

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

CN5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

uLN2003ADR

 

 

 

1971032-5

 

 

 

 

 

 

 

 

 

 

A

 

 

 

R31 - R34

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

47 <1/10W> x 4

 

 

 

 

 

 

 

 

 

 

 

 

 

I C13-2 uLN2003ADR

 

2

 

 

 

 

 

 

 

 

 

 

 

2

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

14 I C13-3 uLN2003ADR

 

 

3

STEP MOTOR ( LOUVER )

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

<1/2W>

15V

R35

 

 

A

 

16

1

 

5V

I C13-1

R13

uLN2003ADR

R14

 

 

 

4

13

I C13-4 uLN2003ADR

 

5

12 I C13-5 uLN2003ADR

4

5

5V

POWER RELAY DRAIVE

CN2 1871843-2

TO TERMINAL BOARD

CN6

B5B-PH-K-S

TIMER SHORT SCK

1

 

DO

2

TEST

D I

3

 

4

 

 

 

 

5

1

2

33

<1/2W>

I C13-6 uLN2003ADR

11 6

5V5V

R49, R51

10k <1/10W> x 2

A

 

 

 

 

 

 

10k

1.0k

 

 

 

 

 

 

 

<1/10W>

 

 

 

 

 

 

 

<1/10W>

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

C20

 

 

 

 

 

 

 

 

 

 

 

 

Q1

1

 

0.01

 

 

 

RT1N241M

A

 

<B>

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

W-I N

 

 

 

 

 

 

 

 

W-OUT

 

 

 

5V

 

 

 

 

 

 

 

 

R55

 

 

 

 

 

 

 

 

10k

 

 

 

 

 

 

5V

 

<1/10W>

 

 

 

 

 

 

 

 

 

 

 

 

C36

 

 

8 VCC

CS

1

 

 

 

 

 

4 DO

SK

2

 

R44

 

0.1

 

 

6 TEST

D I

3

 

 

<F>

 

 

5 GND

NC

7

 

10k

 

 

 

 

 

 

 

<1/10W>

 

 

 

A

I C12

 

A

 

 

 

 

S-93C56BD0 I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5V

 

 

 

12

11

10

9

8

7

6

5

4

3

2

1

 

 

 

 

 

 

P32

P70

P71

P72

P73

P74

P75

P33

P63

P62

P61

P60

 

 

C24

 

 

13

 

 

 

 

 

 

 

 

 

 

 

 

48

 

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

<F>

 

 

 

P31

 

 

 

 

 

 

 

 

 

 

VDD

 

 

 

 

14

 

 

 

 

 

 

 

 

 

 

 

 

47

 

A

 

 

 

P30

 

 

 

 

 

 

 

 

 

 

VSS

 

 

 

 

15

 

 

 

 

 

 

 

 

 

 

 

 

46

 

 

C17

 

 

P17

 

 

 

 

 

 

 

 

 

 

C

 

 

X1

 

16

 

 

 

 

 

 

 

 

 

 

 

 

45

3

0.1

 

17

P16

 

 

 

 

 

 

 

 

 

 

X1

 

 

2 FCR8.0MC5T

<F>

 

P15

 

 

 

 

 

 

 

 

 

 

X2

44

 

8.00MHz

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18

 

 

 

 

 

I C 1

 

 

 

 

 

43

1

A

 

 

 

P14

 

 

 

 

 

 

 

 

MD0

 

 

 

 

 

19

P13

 

 

 

uPD78F0514AGA

 

 

P

42

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

123

 

 

 

 

 

20

P12

 

 

 

 

 

 

 

 

 

 

P

41

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

124

 

 

5V

 

 

21

 

 

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P11

 

 

 

 

 

 

 

 

 

 

RST

 

 

 

R48

 

22

 

 

 

 

 

 

 

 

 

 

 

 

39

 

 

 

P10

 

 

 

 

 

 

 

 

 

 

 

 

 

0R0

 

 

 

 

 

 

 

 

 

 

 

 

P40

 

 

 

5V

23

AV

 

 

 

 

 

 

 

 

 

 

P41

38

 

 

 

 

 

DD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24

AV

 

 

 

 

 

 

 

 

 

 

P

37

 

 

 

 

 

SS

 

 

 

 

 

 

 

 

 

 

120

 

 

 

 

PP P27 P26 P25 P24 P23 P22 P21 P20 130 P01 P00 140

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

A

C19

0.1

<F>

R29, R28, R27 270 <1/10W> x 3

5V

R45

10k

<1/10W>

C41 R46

0.11.0k

<F>

<1/10W>

 

A

R1

5V

0R0

R36

 

A10k

<1/10W>

C25

 

 

R37

C50

1000p

 

 

47

1000p

<R>

A

 

<1/10W>

A<R>

 

 

15V-3

R25

 

 

 

 

 

Q2

 

1

10k

 

RT1N241M

 

<1/10W>

 

 

 

 

3

2

 

1%

 

2

 

 

 

 

CN3 1971032-7

1

2

3TO INDICATOR PCB ASSY

4

5

6

7

A

15V-2 340V

CN7

 

B5 (6-5) B-XARK-1

6

 

5

 

4

 

3

DC FAN MOTOR

2

 

 

 

15V

 

BZ1

 

 

 

 

 

PS1240P02BT

 

 

 

 

 

 

 

 

 

 

B Z

10

7

 

 

 

 

 

 

 

 

 

 

 

I C13-7

 

 

 

 

R43

uLN2003ADR

 

 

 

 

 

 

 

 

 

 

10k

 

 

 

 

 

<1/10W>

 

 

 

 

 

 

 

 

R38

 

 

 

 

 

 

1.0k

 

5V

 

 

 

 

<1/10W>

 

 

 

 

 

R39

C28

CN4

L4

 

 

 

10k

0.1

0R0

 

 

<1/10W>

<F>

1971032-4

 

L6

 

 

 

1%

 

 

 

0R0

A

A

 

4

 

 

 

 

R40

THERMISTOR ( ROOM TEMP. )

3

 

 

 

 

1.0k

2<1/10W>

THERMISTOR ( PIPE TEMP. )

1

L3

R41

C31

 

 

0R0

49.9k

 

 

0.1

 

 

 

<1/10W>

 

 

 

<F>

 

 

 

A 1%

 

 

 

A

 

 

5V

R30

 

 

100k

 

 

<1/10W>

 

 

R19

 

 

 

10k

 

 

 

<1/10W>

 

W-I N

 

 

 

W-OUT

 

R23, R42

 

C14

C15

 

1.0k <1/10W> x 2

0.01

0.1

 

 

<B>

<F>

 

 

A

 

A

 

 

 

 

3

 

 

 

 

1

Q3

 

 

 

 

DTA124EUA

 

 

 

 

A

R26

+C6

 

 

 

 

 

 

 

 

8.2k

10/

 

 

 

 

<1/10W> 25V

 

 

 

 

A 1%

A

340V

CN8

 

 

5V

 

 

 

 

 

 

 

R21

 

 

SJH20-08WS

 

 

 

 

 

 

 

10k

 

 

8

 

 

<1/10W>

 

R22

7

 

 

 

 

10k

6

 

C23

R20

 

<1/10W>

 

 

5

TO OPTION PCB ASSY 1000p

1.0k

 

 

 

 

4

 

<R> A

<1/10W>

 

3

2

1

A

1

A

7

Image 8
Contents Service and Parts Manual ModelsCustomer Satisfaction and Quality Assurance Friedrich Authorized Parts DepotsSpecifications Dimensions Unit inch mmIndoor Unit 31-3/32 25/32Refrigerant System Diagram Circuit Diagram Indoor PCB Circuit Diagram Control Unit MW09Y3H EZ-00906HSE MW12Y3H EZ-00907HSEFH1 FH2 Indoor Unit Indicator PCB Assembly K07BJ-0700HSD-D0Outdoor PCB Circuit Diagram Controller PSB Assembly Error Detection ErrorParts Front panel assyEvaporator Casing assy Control box MR09Y3H MR12Y3HDescription Part number Base Assy Outdoor Unit MR12Y3H Outdoor Unit MR09Y3H MR12Y3H Accessories Wall hook bracket Remote control Remote control holderPage Friedrich AIR Conditioning CO

MR12Y3H, MR09Y3H specifications

Friedrich MR09Y3H and MR12Y3H are two highly efficient ductless mini-split air conditioning systems that cater to residential and commercial spaces with specific needs for temperature control. Both models are characterized by their advanced features, energy efficiency, and user-friendly technologies.

The MR09Y3H provides a cooling capacity of 9,000 BTUs, while the MR12Y3H boasts a slightly more powerful 12,000 BTUs. This variation allows users to choose the appropriate model based on the size and layout of their space, ensuring optimal cooling and heating performance. Both units excel in energy efficiency, boasting SEER ratings that often exceed 20. This not only translates to lower electricity bills but also reflects their compliance with environmental standards.

One of the standout features of both models is their inverter technology, which allows for variable compressor speed operation. This technology enables the units to adapt to the cooling or heating demands of the space, resulting in enhanced comfort and reduced energy consumption. The inverter compressor operates silently, making both models ideal for bedrooms, offices, and other noise-sensitive environments.

Another remarkable characteristic of the Friedrich MR series is their advanced air filtration system, which includes a multi-layer filter designed to capture dust, pollen, and other airborne particles. This ensures cleaner and healthier air quality, benefiting individuals with allergies or respiratory conditions.

Both the MR09Y3H and MR12Y3H come equipped with user-friendly remote controls, allowing for easy adjustment of temperature settings, fan speeds, and modes. The units also feature a programmable timer and sleep mode, enabling users to customize their air conditioning schedules for maximum comfort and efficiency.

Installation is made simple with the inclusion of easy-to-follow instructions and a compact design that allows for flexibility in placement. The outdoor unit is designed for durability, ensuring reliable performance even in harsh weather conditions.

In summary, the Friedrich MR09Y3H and MR12Y3H offer a combination of energy efficiency, advanced technology, and superior air quality control, making them excellent choices for those seeking reliable and effective cooling and heating solutions. Whether for a small office, a large living room, or an entire apartment, these models are designed to deliver high-performance climate control while meeting the demands of modern users.