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Fujitsu AUH12UMAB, Service Manual

The Fujitsu AUH12UMAB service manual is a comprehensive guide for operating and maintaining this high-quality air conditioning unit. Easily download the free manual from our website and access in-depth instructions, troubleshooting tips, and helpful diagrams to ensure efficient and hassle-free use of your Fujitsu AUH12UMAB.

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C17 - C21

0.1 <F> x 5

5V

R50 - R52

10K <1/10W> x 3

R47 - R49

1.0K <1/10W> x 4

5V

C46 - C48

0.01 <F> x 3

C32 - C35

0.01 <F> x 4

R38 - R41

10K <1/10W> x 4

R30 - R33

1.0K <1/10W> x 4

14V

14V

JM4
JM5
JM6

CN13

B5P-SHF-1AA

WHITE

9

8

1

2

3

4

5

6

16

15

14

13

12

11

I C3 (6/7)

uPA2003GR

5V

I C6

S80842

NC

C26

0.1

<F>

R42

100K

<1/10W>

2
1

3
4

VDD
OUT GND

NC

JM7

X1

5.00MHz

<CSTS>

5V

R91

R92

10K <1/10W> x 2

D10

D1F60

D11

D1F60

D12

D1F60

D13

D1F60

R68  560

<1/10W>

R67  560

<1/10W>

R69  560

<1/10W>

R70  560

<1/10W>

CN13-1
CN13-2
CN13-3
CN13-4
CN13-5

TEST

FUNCTION JUMPER

CN9

B10B-XAKK-1-A

BLACK

5V

CN9-1   

BROWN

CN9-2   

BROWN

CN9-3   

BROWN

CN9-4   

BROWN

CN9-5   

BLACK

CN9-6   

BLACK

CN9-7   

BLACK

CN9-8   

BLACK

CN9-9   

BLACK

CN9-10 

BLACK

GREEN

YELLOW

BROWN

PINK

BLACK

THERMISTOR

O

U

TD

O

O

R

 T

E

M

P.

R

25

 =

 1

0.

00

B

25

 / 

50

 =

 3

95

0K

P

IP

E

 T

E

M

P.

 B

R

0 

= 

16

.0

5

B

0 

/ 2

5 

= 

38

73

K

P

IP

E

 T

E

M

P.

 A

R

0 

= 

16

.0

5

B

0 

/ 2

5 

= 

38

73

K

D

IS

C

H

A

R

G

E

 T

E

M

P.

 B

R

10

0 

= 

3.

43

K

B

50

 / 

10

0 

= 

40

12

K

D

IS

C

H

A

R

G

E

 T

E

M

P.

 A

R

10

0 

= 

3.

43

K

B

50

 / 

10

0 

= 

40

12

K

K 2

K 1

K 4

K 3

2

1

3

8

7

X1

X2

43

1

30

22

26

21

25

23

41

40

39

42

44

29

31

33

10

11

32

9

34

35

36

37

38

24

13

12

17
16
15
14

20

19

18

5

4

2

3

6

27
28

P00

P41

P11

P31

P15

P32

P16

P30

P22

P21

P20

P01

P120

P12

P10

AVSS

VSS

VDD

AVREF

REGC

P27

P26

P25

P24

P23

P60

P61

P17

P73
P33
P63
P62

P70

P71

P72

P123

P124

P40

RST*

FLMDO

P14
P13

CN10-1

CN10-4

CN10-3

CN10-2

CN10

B04B-XASK-1-A

WHITE

14V

I C3 (1/7)

uPA2003GR

Q11

2SC2412K

D7

DAN217U

R34

1.0K

<1/10W>

R36

10K

<1/10W>

2

3

1

10

7

2

3

1

Q5

DTC124EKA

C50

1000P

<R>

R17

1.0K

<1/10W>

5V

5V

R10

10K

<1/10W>

Q8

DTC124EKA

C40

0.01

<F>

R80  10K

<1/10W>

1

3

2

2

3

1

2

1

3

1

2

3

5V

5V

5V

CN11

C36

0.1

<F>

R54

4.7K

<1/10W>

R53

4.7K

<1/10W>

C31

0.01

<F>

5V

Q3

DTC124EKA

R9

10K

<1/10W>

R16

1.0K

<1/10W>

C23

0.1

<F>

Q7

DTC124EKA

R78  10K

<1/10W>

C38

0.01

<F>

C49

1000P

<R>

Q4

DTC124EKA

5V

R55

4.7K

<1/10W>

2

3

1

5

4

18

10

14

18

4

5

10

14

1

3

2

I C 8   HU2001

I C 7   HU2001

5V

5V

5V

I C4

BR93L46RF

NC

NC

R46R45R44

10K <1/10W>

x 3

R43  10K

<1/10W>

R28  1.0K

<1/10W>

C24

0.1

<F>

C37

0.1

<F>

CN12

C29

0.1

<F>

R29  1.0K

<1/10W>

Q13

DTC124EKA

C30

0.1

<F>

R26

10K

<1/10W>

Q9

DTC124EKA

C42

0.01

<F>

R82  10K

<1/10W>

1

2

3

7
5

4

8

6

3

2

1

VCC

DO
NC
GND

CS

SK
D I

NC

2

3

1

2

3

3

2

1

Q6

DTC124EKA

5V

Q10

DTC124EKA

1

R27

10K

<1/10W>

C44

0.01

<F>

R84  10K

<1/10W>

R23

10K

<1/10W>

R24

10K

<1/10W>

LED1

EBR3864X

<RED>

LED2

EBR3864X

<RED>

C59

0.47

<F>

C28

0.1

<F>

C27

0.1

<F>

+ C9

100/

25V

C22

0.1

<F>

5V

I C 1

14V

D8

1SS355

I C2

NJM7805

R8

10K

<1/10W>

C10

1000/

25V

+

D6

D2FL20U

T1

ZFT19K02

C11

0.01

<KH>

C39

0.01

<KH>

PRIMARY

SECONDARY

1
2
3

4
5

7

10

1

2

3

I

O

G

R5  62K

<RS - 2W>

D5

1SR139-600

C6

4700P

<ECQM>

R4

330K

<2W>

R6  100

<1/2W>

C7  0.047

<ECQB>

D2

D1FL20U

D3

D1FL20U

D4

MTZJ5.1B

C8

100/

25V

+

R7

330

<1/4W>

Q1

2SC5354

Q2

2SC1815

R3

100

<1/10W>

R2

1.5

<RS - 2W>

+

C5

100/

450V

D1

D3SB60

R1

3.3

<5W>

4

2

3

1

2

3

1

1

2

3

UL3271   AWG14     

BLUE

UL3271   AWG14

COMP. CAPACITOR B

35uF / 400V

COMPRESSOR B

UL3271   AWG14

UL1430   AWG22     

YELLOW

UL1430   AWG22     

YELLOW

RELAY B

DF12D1-F ( M )  DC12V

RELAY A

DF12D1-F ( M )  DC12V

UL1430   AWG22     

BLACK

UL1430   AWG22     

BLACK

UL3271   AWG14

COMPRESSOR A

COMP. CAPACITOR A

35uF / 400V

UL3271   AWG14

UL3271   AWG14     

WHITE

U

L1

01

5 

  A

W

G

14

   

  

W

H

IT

E

U

L1

01

5 

  A

W

G

14

   

  

B

LA

C

K

U

L1

01

5 

  A

W

G

14

   

  

B

LA

C

K

U

L1

01

5 

  A

W

G

14

   

  

W

H

IT

E

UL1015   AWG20     

PINK

UL1015   AWG20     

RED

BLACK

BLACK

BLACK

BLACK

W1

W2

CN5

179844-2

RED

CN4

179844-1

WHITE

CN5-1

CN5-2

CN4-2

CN4-1

CN3

B4P7-VH-B

WHITE

CN3-1

CN3-4

CN3-3

CN3-2

RED

BLUE

WHITE

BLACK

UL1015   AWG20     

RED

UL1015   AWG20     

BLUE

UL1015   AWG20     

WHITE

UL1015   AWG20     

BLACK

UL1015   AWG20

                

YELLOW

UL1015   AWG20

                

YELLOW

CN2-1

CN2-3

W4

E1

CN1-1

CN1-2

W3

FH1

FH2

F1

6.3A - 250V

<BET>

LF1

ELF15N005A

C3

0.022

<R41>

C4

0.022

<R41>

CN2

B2P3-VH-B-Y

YELLOW

4

3

1

2

CN1

B2P3-VH-B-C

BLACK

UL1015   AWG16

                

GREEN

L

N

F. M.

FAN MOTOR

FAN MOTOR CAPACITOR

3.5uF / 450V

4-WAY VALVE A

4-WAY VALVE B

4WV

4WV

VA3  470V

<ERZV>

VA4  470V

<ERZV>

K4

FTR-F3A

K3

FTR-F3A

C13  0.22  <LE>

R57  120

<RS - 1/2W>

C14  0.22  <LE>

R58  120

<RS - 1/2W>

C12  0.22  <LE>

R56  120

<RS - 1/2W>

K1

FTR-F3A

K2

G5SB-14

DC12V

C. M.

C. M.

E

1

2

3
1

2

3

L

N

TERMINAL

UNIT A

UNIT B

POWER

220 / 240V

50Hz

UL1015

AWG20

WHITE

UL1015

AWG20

BLACK

U

L1

01

5 

  A

W

G

20

   

  

B

LA

C

K

U

L1

01

5 

  A

W

G

20

   

  

B

LA

C

K

U

L1

01

5 

  A

W

G

20

   

  

W

H

IT

E

U

L1

01

5 

  A

W

G

20

   

  

W

H

IT

E

C51 - C55

1000P <R> x 5

R11 - R15

1.0K <1/10W> x 5

R19  6.65K  <1/10W>  (1%)

R20  6.65K  <1/10W>  (1%)

R21  14.0K  <1/10W>  (1%)

R18  38.3K  <1/10W>  (1%)

YELLOW

RED

BLACK

RED

CONTROLLER PCB ASSEMBLY ( MAIN PCB )

K05DT-0500HUE-C1

Model : AOH20USBV2

OUTDOOR PCB CIRCUIT DIAGRAM

UPD78F0513GB(R)-

011-UES-A

2006.04.27

11

Summary of Contents for AUH12UMAB

Page 1: ...TLINE AND DIMENSIONS REFRIGERANT SYSTEM DIAGRAM DISASSEMBLY ILLUSTRATION PARTS LIST Models Indoor unit Outdoor unit ASH12UMBD ASH7UMBD AOH20USBV2 AUH12UMAB ASH7UMBD AOH20USBV2 1 3 6 ERROR CONTENTS 11 CIRCUIT DIAGRAM INDOOR PCB CIRCUIT DIAGRAM 7 9 13 24 STANDARD ACCESSORIES 27 ...

Page 2: ...20 m3 hr AUH12UMAB 3 50 kW 4 10 kW 5 8 A 6 1 A 1 30 kW 1 38 kW 2 69 kW kW 2 97 kW kW 1 3 L hr 550 m3 hr COOL HEAT 230 V 50 Hz TYPE INDOOR UNIT OUTDOOR UNIT AOH20USBV2 COOLING CAPACITY HEATING CAPACITY POWER SOURCE FREQUENCY RUNNING CURRENT COOLING HEATING INPUT WATTS COOLING HEATING E E R COOLING HEATING MOISTURE REMOVAL AIR CIRCULATION High ELECTRICAL DATA Combination ASH12UMBD ASH7UMBD 5 70 kW 6...

Page 3: ... 1 140 r p m 1 070 r p m 1 030 r p m 1 000 r p m 970 r p m 257 x 808 x 187 mm 10 kg 8 kg 36 dB 36 dB 32 dB 32 dB 31 dB 30 dB 29 dB 28 dB 42 dB 43 dB 39 dB 40 dB 36 dB 37 dB OUTDOOR UNIT COMPRESSOR TYPE COMPRESSOR DISCRIMINATION POWER SOURCE REFRIGERANT R410A FAN MOTOR H x W x D DIMENSIONS GROSS NET WEIGHT Hermetic type Permanent split condenser 2 pole Single phase Induction motor Rotary Comp A 802...

Page 4: ...INDOOR UNIT Wall mounted type Models ASH12UMBD ASH7UMBD Unit mm OUTLINE AND DIMENSIONS 3 2006 03 01 187 808 257 ...

Page 5: ...le measurement 650 Hanging bolt position 400 Hanging bolt position 606 580 66 440 35 600 Ceiling opening measurement 250 60 86 Drain pipe I D 32 54 46 131 111 47 INDOOR UNIT Cassette type Model AUH12UMAB Unit mm 650 650 4 2006 03 01 ...

Page 6: ...OUTDOOR UNIT Model AOH20USBV2 Unit mm Air Flow 40 900 700 21 9 400 330 31 12 370 650 5 2006 03 01 ...

Page 7: ...N I T B U N I T A CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE 3 WAY VALVE MUFFLER COMPRESSOR A THERMISTOR A DISCHARGE PIPE THERMISTOR A CONDENSER THERMISTOR B CONDENSER THERMISTOR OUTDOOR TEMP CONDENSER COMPRESSOR B THERMISTOR B DISCHARGE PIPE MUFFLER STRAINER STRAINER THERMISTOR ROOM TEMP THERMISTOR ROOM TEMP OUTDOOR UNIT REFRIGERANT PIPE 9 52mm 3 8 REFRIGERANT PIPE 9 52mm 3 8 REFRIGERANT PIPE 6...

Page 8: ...NSFORMER BOARD DISPLAY FAN MOTOR BLACK GRAY GRAY WHITE BLUE PINK YELLOW ORANGE RED WHITE WHITE WHITE WHITE WHITE WHITE WHITE YELLOW BLUE WHITE WHITE WHITE WHITE WHITE WHITE BLACK BLACK GREEN ORANGE ORANGE PURPLE PURPLE RED RED GRAY GRAY BLACK WHITE RED THERMAL FUSE THERMAL FUSE THERMAL RED RED TEST CN1 H A OUT H A IN CN201 CN6 CN105 W101 W106 W105 W104 W103 W102 103 CN101 CN102 CN104 CN103 CN3 CN2...

Page 9: ...ONTROL BOARD DISPLAY BOARD FLOAT SWITCH PURPLE BLUE GRAY WHITE WHITE BLACK YELLOW ORANGE RED BROWN PURPLE GREEN YELLOW YELLOW YELLOW BLACK BLACK BLACK WHITE WHITE L N GREEN EARTH EARTH EARTH WHITE BLUE WHITE WHITE BLACK YELLOW ORANGE RED RED RED BROWN BLACK BLACK BLACK BLACK GRAY GRAY CN 13 CN 15 CN 4 CN 8 CN 7 CN 10 CN 5 CN 6 CN 1 CN 201 M DRAIN PUMP MOTOR FAN MOTOR CAPACITOR FILTER BOARD Use T3 ...

Page 10: ...CN201 INDICATOR PCB EZ 00307HSE D X201 GP1UM261RK C202 0 1 F R201 47 1 4W C201 47 10V DATA OPERATE TIMER DEFROST GREEN ORANGE D201 SLR 325 VC D202 SLR 325 DC D203 SLR 325 MC CN2 1 BLACK CN2 1 BLACK CN3 1 GRAY CN3 2 GRAY 5V CN2 CN3 R27 10K 1 10W 1 R26 49 9K 1 10W 1 3 R17 330 1 10W R16 330 1 10W R15 330 1 10W 2 1 3 5V C30 0 01 B R12 10K 1 10W 5V 35 11 12 38 13 P36 P03 P35 P34 P00 P56 P55 P54 P73 P72...

Page 11: ...4 UL1015 AWG20 UL1015 AWG20 DRAIN PUMP UL1015 AWG14 BLACK UL1015 AWG14 WHITE UL1015 AWG14 RED FAN MOTOR 5V C34 0 1 F C37 0 1 F R43 10K 1 1 10W R45 49 9K 1 1 10W R44 1 0K 1 10W R46 1 0K 1 10W 5V C35 1000P R C32 1000P R D0 D1 CK CS 1 1 4 3 2 8 7 6 5 R50 10K 1 10W 76 77 8 9 10 6 P131 P72 P71 P70 P11 P10 P15 P16 P17 74 68 75 3 2 1 7 4 67 33 71 54 55 66 65 P04 P05 P123 P122 I C VSS1 VSS0 AVSS AVRF1 AVR...

Page 12: ... 3 2 1 VCC DO NC GND CS SK D I NC 2 3 1 2 3 3 2 1 Q6 DTC124EKA 5V Q10 DTC124EKA 1 R27 10K 1 10W C44 0 01 F R84 10K 1 10W R23 10K 1 10W R24 10K 1 10W LED1 EBR3864X RED LED2 EBR3864X RED C59 0 47 F C28 0 1 F C27 0 1 F C9 100 25V C22 0 1 F 5V I C 1 14V D8 1SS355 I C2 NJM7805 R8 10K 1 10W C10 1000 25V D6 D2FL20U T1 ZFT19K02 C11 0 01 KH C39 0 01 KH PRIMARY SECONDARY 1 2 3 4 5 7 10 1 2 3 I O G R5 62K RS...

Page 13: ... reverse transmission error Green lamp 2 times serial order transmission error 3 times fan motor error Red lamp 6 times lock error indoor unit thermistor error outdoor unit Green lamp Red lamp Green lamp 2 times r p m error 3 times 2 times LED indication LED indication Small division indication Large division indication ERROR CONTENTS 3 times control unit error indoor unit indoor unit circuit boar...

Page 14: ...eated Dislighting continued Outdoor temperature sensor error 5 quick flash repeated Dislighting continued UNIT A Communication signal error 6 quick flash repeated Dislighting continued UNIT A Indoor unit error 7 quick flash repeated Dislighting continued UNIT A Discharge temperature abnormal UNIT B Discharge temperature sensor error UNIT B Outdoor heat exchanger tempera ture sensor error Dislighti...

Page 15: ...DISASSEMBLY ILLUSTRATION 14 2006 03 01 Air cleaning filter Model UTR FA04 1 ELECTRIC FILTER Air cleaning filter Model UTR FA04 2 ION DEODORANT FILTER 63 777 74 74 850 240 759 1 Models ASH12UMBD ASH7UMBD ...

Page 16: ...15 2006 03 01 401 108 146 764 169 122 523 283 164 109 876 127 184 196 158 233 151 236 815 875 874 281 65 440 522 1 767 1 652 1 323 69 323 872 873 385 962 1 962 2 Model ASH12UMBD ...

Page 17: ...Model ASH7UMBD 16 2006 03 01 401 108 146 28 764 169 122 523 283 164 109 876 127 184 196 158 233 151 236 815 875 874 281 65 440 522 1 767 1 652 1 323 69 323 872 873 34 687 385 962 1 962 2 ...

Page 18: ...399 474 235 411 470 965 196 836 835 798 127 484 834 313 287 465 244 467 462 464 484 495 67 338 187 395 146 411 138 990 411 164 797 478 465 475 160 488 301 234 430 469 743 184 1 652 1 476 3 Model AUH12UMAB 17 2006 03 01 ...

Page 19: ...Model AUH12UMAB 18 2006 03 01 ...

Page 20: ...690 691 694 165 226 417 416 416 417 196 692 692 690 690 700 705 392 691 392 692 690 691 777 776 93 710 776 758 705 763 385 876 2 711 1 711 2 Model UTG UDGD W 19 2006 03 01 ...

Page 21: ...Model AOH20USBV2 20 2006 03 01 1 10 4 2 3 5 6 9 ...

Page 22: ...21 2006 03 01 18 15 25 23 24 11 12 19 13 14 Model AOH20USBV2 ...

Page 23: ...22 2006 03 01 40 36 39 42 41 37 38 35 Model AOH20USBV2 29 33 34 28 1 28 2 31 32 30 27 ...

Page 24: ...Model AOH20USBV2 23 2006 03 01 56 52 53 54 48 2 48 1 49 47 50 46 55 51 57 ...

Page 25: ...Model AOH20USBV2 62 62 62 58 28 1 59 1 60 1 61 1 63 1 63 1 63 1 62 62 62 58 28 2 59 2 60 2 61 2 63 2 63 2 63 2 24 2006 03 01 ...

Page 26: ...2012 764 Drain Cap Assy 9304150008 767 1 Bottom Cover 9330004016 777 Clamper Grille 9306755010 815 Terminal 9900040055 850 Window Receiver 9330003019 872 Indicator Case 9330009011 873 Lamp Cover 9330014015 874 Control Box Cover 9330008014 875 Power Supply PCB Assy 9705294011 876 Step Motor 9900139018 962 1 Guard Holder L 9306678012 962 2 Guard Holder R 9306677015 When you order parts please make a...

Page 27: ...Hanger Metal 9359644002 488 Drain Pan Plug 9359653004 495 Clamp No 2U46 9352715006 514 Control Box Cover 9359662006 628 Locking Spacer B 313005446558 652 1 Thermistor Holder Pipe 313806262805 743 Remocon Holder 9305642014 797 Separate Wall C 9359649007 798 Pump Hook Bracket 9359650003 815 Terminal 3P 9900203016 824 3 Fuse 0600222512 834 Wire Cover 9359878001 835 Cushion A For Pump 9352211003 836 C...

Page 28: ...221034 28 1 Compressor Assy 9373010036 28 2 Compressor Assy 9373010012 29 4 Way Valve A Assy 9375293017 30 4 Way Valve B Assy 9375294021 41 Joint Pipe Valve A Assy 9375295011 42 Joint Pipe Valve B Assy 9375296018 46 PCB Assy 9707096019 47 Band Capacitor 9352123009 48 1 Capacitor Plastic Comp A 9900269036 48 2 Capacitor Plastic Comp B 9900269029 49 Capacitor Plastic Fan 9900270049 50 Relay 99002640...

Page 29: ... Drain cap 1 Putty 303020200114 9303029015 313166024302 STANDARD ACCESSORIES 28 2006 03 01 Name and Shape Q ty Part No 9350716029 9352766015 313005446653 313005446759 1 1 4 1 1 4 1 1 set 3 9305642014 0600185534 0700019098 Remote control unit Remote control unit holder case Battery penlight Tapping screw INDOOR UNIT AUH12UMAB 5 x 24 3 x 12 GRILLE ASSY ACCESSORIES Name and Shape Q ty Part No 4 2 Was...

Page 30: ...0602G3028 ...

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