Fujitsu ASU9RD User manual

HIGH POWER MULTI

AIR CONDITIONER

WALL MOUNTED

type

CONTENTS

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

OUTLINE AND DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 3

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

INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . . . 5

OUTDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . 6

PRINTED CIRCUIT BOARD LAYOUTS . . . . . . . . . . . . . . . . . . . . . . 7

DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Models Indoor unit Outdoor unit

ASU9RD AOU18RD

– 1 –

SPECIFICATIONS

INDOOR UNIT ASU9RD ASU9RD x 2

OUTDOOR UNIT AOU18RD

COOLING CAPACITY

(BTU/hr)

9,300 - 9,600 18,600 - 18,800

HEATING CAPACITY 10,300 - 10,700 20,500 - 21,500

POWER SOURCE (V) 208 - 230

FREQUENCY (Hz) 60

RUNNING CURRENT (A) COOLING 4.9 - 4.6 9.5 - 9.0

HEATING 4.6 - 4.4 8.5 - 8.1

INPUT WATTS (W) COOLING 1,000 - 1,030 1,950 - 2,000

HEATING 940 - 980 1,650 - 1,750

SEER 10.5 11.0

MOISTURE REMOVAL Pts/hr (R/hr) 2.1 (1.0) 2.1 (1.0) + 2.1 (1.0)

AIR CIRCULATION-Hi (m

/hr) 510 510 + 510

ELECTRICAL DATA

COMPRESSOR

FAN MOTOR

DIMENSIONS

TYPE Hermetic type, Permanent split condenser,

2 pole, Single phase, Induction motor

CODE QK151KAA

208 - 230V 60Hz

REFRIGERANT R-22 lbs (g) 1.98 (900) x 2

POWER SOURCE (V) 208 - 230

COOL/HEAT (r.p.m.)

1,320 ± 20 / 1,300 ± 20

INDOOR UNIT MED

COOL/HEAT (r.p.m.)

1,210 ± 20 / 1,200 ± 20

COOL/HEAT (r.p.m.)

1,100 ± 20 / 1,080 ± 20

QUIET

COOL/HEAT (r.p.m.)

1,000 ± 20 / 960 ± 20

OUTDOOR UNIT (r.p.m.) 0,650 ±50 / 750 ± 50

INDOOR UNIT

H x W x D inch (mm)

11 (280) x 32-1/8 (815) x 7 (179)

OUTDOOR UNIT 25-6/16 (643) x 33-1/16 (840) x 13-3/16 (335)

WEIGHTS

INDOOR UNIT

GROSS / NET lbs (kg)

26 / 22 (12 / 10)

OUTDOOR UNIT 168 / 150 (76 / 68)

Models : ASU9RD / AOU18RD

32-1/8”(815) 7 (179)

11 (280)

– 2 –

OUTLINE AND DIMENSIONS

INDOOR UNIT

Unit : inch (mm)

OUTDOOR UNIT

33-1/16”

(840) 13-3/16”

(336)

25-6/16”

(643)

13-3/16”

(333)

63/64” (25)

31-10/16” (804)

Mounting bolt pitch)

– 3 –

REFRIGERANT SYSTEM DIAGRAM

Models : ASU9RD x 2 / AOU18RD

COMPRESSOR-A

4-WAY

VALVE

2-WAY

VALVE

2-WAY

VALVE

3-WAY

VALVE

3-WAY

VALVE

HEAT COOL

THERMISTOR-A

(DISCHARGE PIPE)

COMPRESSOR-B THERMISTOR-B

(DISCHARGE PIPE)

THERMISTOR-A

(CONDENSER)

THERMISTOR

(PIPE)

EVAPORATOR

THERMISTOR-B

(CONDENSER)

CAPILLARY

TUBE HEAT EXCHANGER

CAPILLARY

TUBE

STRAINER

OUTDOOR UNIT

INDOOR UNIT A

INDOOR UNIT B

UNIT A

THERMISTOR

(PIPE)

4-WAY

VALVE

CHEAT COOL

UNIT B

EXPANSION

VALVE-A

EXPANSION

VALVE-B

– 4 –

CIRCUIT DIAGRAM

Models : ASU9RD x 2 / AOU18RD

12345

12 12

345

12345

123456789

6789

PURPLE

BLUE

GREEN

YELLOW

ORANGE

RED

WHITE

BLACK

RED

BLACK

GREEN

RED

BLACK

123

WHITE

YELLOW

WHITE

ORANGE

WHITE

RED

WHITE

BROWN

FAN MOTOR

FAN

CAPACITOR

COMPRESSOR

CAPACITOR B

ELECTRIC

VALVE

COIL A

SOLENOID

COIL A

COMPRESSOR

MOTOR B

POWER

RELAY B

TERMINAL

POWER SOURCE

230 - 208V 60Hz

OVERLOAD

PROTECTOR

BLACK

WHITE

RED

BLUE

RED

BROWN

BLUE

ORANGE

YELLOW

WHITE

ELECTRIC

VALVE

COIL B

THERMISTOR

(OUTDOOR TEMP.)

RED

BROWN

BLACK

RED

BLUE

BROWN

CBLACK

SOLENOID

COIL B

BLACK

WHITE

BLACK

BLACK PINK BLACK

WHITE

WHITE WHITE BLUE

RED

GREEN

RED

PURPLE

BLUE

ORANGE

YELLOW

WHITE

THERMAL

FUSE

F1 T3.15A 250V

FUSE (3A)

TRANSFORMER

PRINTED

CIRCUIT

BOARD

RED

BLUE

BLACK

BROWN

PINK

GREEN

YELLOW

UNIT A UNIT B POWER

THERMISTOR A

(COND. TEMP.)

THERMISTOR B

(COND. TEMP.)

THERMISTOR A

(DIS. TEMP.)

THERMISTOR B

(DIS. TEMP.)

WHITE

BLACK

WHITE

BLACK WHITE

COMPRESSOR

CAPACITOR A

COMPRESSOR

MOTOR A

STEP MOTOR

CONTROL BOARD

POWER

SUPPLY

BOARD

THERMISTOR

(ROOM TEMP.)

(LOUVER U)

LOUVER Z

DIFFUSER

TEST

POWER

RELAY A

OVERLOAD

PROTECTOR

RED

WHITE

BROWN

RED

ORANGE

YELLOW

GREEN

BLACK

WHITE

GRAY

PURPLE

BLUE

BROWN

BLACK

GREEN/

YELLOW

12345

54321

()

THERMISTOR

(PIPE TEMP.)

PRINTED CIRCUIT

BOARD (DISPLAY)

FAN MOTOR

CAPACITOR

TERMINAL THERMAL

PROTECTOR

GRAY

12345

12 12

345

12345

123456789

6789

PURPLE

BLUE

GREEN

YELLOW

ORANGE

RED

WHITE

BLACK

RED

BLACK

GREEN

RED

BLACK

123

WHITE

YELLOW

WHITE

ORANGE

WHITE

RED

WHITE

BROWN

STEP MOTOR

CONTROL BOARD

POWER

SUPPLY

BOARD

THERMISTOR

(ROOM TEMP.)

(LOUVER U)

LOUVER Z

DIFFUSER

TEST

UNIT A

INDOOR UNIT OUTDOOR UNIT

UNIT B

BROWN

RED

ORANGE

YELLOW

GREEN

BLACK

WHITE

GRAY

PURPLE

BLUE

GREEN/

YELLOW

12345

54321

()

THERMISTOR

(PIPE TEMP.)

PRINTED CIRCUIT

BOARD (DISPLAY)

FAN MOTOR

CAPACITOR

TERMINAL THERMAL

PROTECTOR

GRAY

CN1

CN7

CN101 CN103

W104W105W106W101

CN104

CN6 CN5CN4

CN11

4WV

CN12

CN7

CN8

W2 W1

CN9

1234

CN3CN2

CN4

4WV

CN5

CN1

CN18

CN10

2345678

12345

CN3

CN2

CN1

CN7

CN101

CN102

CN103

W104W105W106W101

CN104

CN6 CN5CN4

12345

CN3

CN2

– 5 –

INDOOR PRINTED CIRCUIT BOARD

CIRCUIT DIAGRAM

Model : ASU9RD

(RED)

(GREEN)

(WHITE) (WHITE) (ORANGE) (ORANGE)

(BROWN)

(BLACK)

(GRAY)

PIPE TEMPERATURE

THERMISTOR

ROOM TEMPERATURE

THERMISTOR

(RED)

(ORANGE)

(PURPLE)

(RED)

(

ORANGE

)

(YELLOW)

(GREEN)

(BLUE)

(BLUE) OPERATE (RED)

TIMER (GREEN)

SWING (ORANGE)

(PURPLE)

(GRAY)

(WHITE)

(BLACK)

LOUVER U

LOUVER Z

(DIFFUSER)

INDICATOR PCB

CONTROLLER PCB ASSEMBLY (MAIN PCB)

THERMAL

FUSE

FAN

CAPACITOR

(WHITE)

(RED)

(BLACK)

(BLACK) (WHITE)

MODEL CHANGING CODE

AUTO CHANGE OVER

HEATING CORRECTION

SWITCHING

AUTO RESTART

REMOTE CONTROL CUSTOM

CODE RESERVE

(WHITE)

(BLACK) POWER SUPPLY PCB

– 6 –

OUTDOOR PRINTED CIRCUIT BOARD

CIRCUIT DIAGRAM

Model : AOU18RD

– 7 –

INDOOR P.C. BOARD LAYOUTS

CONTROLLER P.C. BOARD ASSEMBLY (MAIN PCB)

(Viewed from the solder side)

INDICATOR P.C. BOARD ASSEMBLY

(Viewed from the solder side) POWER SUPPLY P.C. BOARD ASSEMBLY

(Viewed from the solder side)

– 8 –

CONTROLLER P.C. BOARD ASSEMBLY (MAIN PCB)

(Viewed from the component side)

INDICATOR P.C. BOARD ASSEMBLY

(Viewed from the component side) POWER SUPPLY P.C. BOARD ASSEMBLY

(Viewed from the component side)

– 9 –

OUTDOOR P.C. BOARD LAYOUTS

CONTROLLER P.C. BOARD ASSEMBLY

(Viewed from the solder side)

(Viewed from the component side)

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