Fujitsu AUT36ALA3W User manual

SPLIT TYPE

AIR CONDITIONER

CASSETTE

type (50Hz)

CONTENTS

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

DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 5

INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . . . . 7

OUTDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM . . . . 9

INDOOR P.C. BOARD LAYOUTS . . . . . . . . . . . . . . . . . . . . . . . . . 10

OUTDOOR P.C. BOARD LAYOUTS . . . . . . . . . . . . . . . . . . . . . . . 12

DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Models Indoor unit Outdoor unit

AUT36ALA3W AOT36ACF3L

AUT36RLA3W AOT36RCF3L

AUT45ALA3W AOT45ACF3L

AUT45RLA3W AOT45RCF3L

AUT54ALA3W AOT54ABF3L

AUT54RLA3W AOT54RBF3L

– 1 –

SPECIFICATIONS

TYPE COOLING COOLING & HEATING

MODEL IN AUT36ALA3W AUT45ALA3W AUT54ALA3W AUT36RLA3W AUT45RLA3W AUT54RLA3W

OUT AOT36ACF3L AOT45ACF3L AOT54ABF3L AOT36RCF3L AOT45RCF3L AOT54RBF3L

COOLING CAPACITY kW 10.5 12.7 14.1 10.5 12.7 14.1

HEATING CAPACITY kW ––––– ––––– ––––– 10.7 13.7 15.8

POWER SOURCE V 415 – (380)

ø/Hz 3 / 50

RUNNING CURRENT (A) COOL 6.6 7.5 8.6 6.6 7.5 8.6

HEAT ––––– ––––– ––––– 5.9 7.5 8.6

INPUT WATTS (kW) COOL 3.80 4.45 5.00 3.95 4.45 5.00

HEAT ––––– ––––– ––––– 3.45 4.35 4.90

E.E.R (kW/kW) COOL 2.76 2.85 2.82 2.66 2.85 2.82

HEAT ––––– ––––– ––––– 3.10 3.15 3.22

STARTING CURRENT A 42 55 79 42 55 79

MOISTURE REMOVAL R/h 5 6 6 5 6 6

ADDITIONAL REFRIGERANT CHARGE

HIGH 580 620 680 580 620 680

FAN SPEED INDOOR MED 500 550 580 500 550 580

(r.p.m.) LOW 420 470 500 420 470 500

OUTDOOR 790 790 790 790 790 790

AIR FLOW INDOOR m3/h 1,500 1,650 1,800 1,500 1,650 1,800

OUTDOOR m3/h 5,900 5,500 5,500 5,900 5,500 5,500

DIMENSIONS IN 296 x 830 x 830

NET GRILLE 35 x 940 x 940

H x W x D (mm) OUT 1,152 x 940 x 370

WEIGHTS [NET/GROSS] (kg) IN 47 / 60

OUT 94 / 108 102 / 116 112 / 126 96 / 110 108 / 122 120 / 134

MAX PIPE LENGTH/HEIGHT m 50 / 30

REMOTE CONTROLLER TYPE WIRED

PIPE LENGTH 10m 20m 30m 40m 50m Additional

(33ft) (66ft) (99ft) (132ft) (164ft) refrigerant g/m

AUT36A 2,350g (082.9oz) 2,750g (097.0oz) 3,150g (111.1oz) 3,550g (125.2oz)

AUT36R 3,000g (105.8oz) 3,400g (119.9oz) 3,800g (134.0oz) 4,200g (148.2oz) 40 g/m

FULL CHARGE AUT45A 3,500g (123.5oz) 3,900g (137.6oz) 4,300g (151.7oz) 4,700g (165.8oz) (1.41oz/3.3ft)

AMOUNT AUT45R 3,500g (123.5oz) 3,900g (137.6oz) 4,300g (151.7oz) 4,700g (165.8oz)

AUT54A 4,000g (141.1oz) 4,500g (158.7oz) 5,000g (176.4oz) 5,500g (194.0oz) 50 g/m

AUT54R 3,500g (123.5oz) 4,000g (141.1oz) 4,500g (158.7oz) 5,000g (176.4oz) (1.76oz/3.3ft)

– 2 –

Unit : mm

296

750

940

1152

(Drain pipe)

120

(Large pipe)

150

(Small pipe)

285

250

940

298.5

305.5

940 370

248.5

(Drain pipe)

120

(Large pipe)

150

(Small pipe)

298.5

305.5 248.5

Drain Inside Dia. ø32

Outside Dia. ø37

750

DIMENSIONS

Models : AUT36ALA3W / AOT36ACF3L

– 5 –

REFRIGERANT SYSTEM DIAGRAM

Refrigerant pipe

ø 19.05mm(3/4")

Refrigerant pipe

ø 9.53mm(3/8")

CAPILLARY TUBE

Charging valve

MUFFLER

COMPRESSOR

ACCUMULATOR

Charging valve

DRYER

OUTDOOR UNIT INDOOR UNIT

EVAPORATORCONDENSER

Models : AUT36RLA3W / AOT36RCF3L

Refrigerant pipe

ø 19.05mm(3/4")

Refrigerant pipe

ø 9.53mm(3/8")

: COOL

: HEAT

Charging

valve

MUFFLER

COMPRESSOR

4-Way

Valve

ACCUMULATOR

Charging valve

DRYER EXPANSION

VALVE

STRAINER

OUTDOOR UNIT INDOOR UNIT

EVAPORATORCONDENSER

HIGH

PRESSURE

SWITCH

– 6 –

Models : AUT45ALA3W / AOT45ACF3L

: AUT54ALA3W / AOT54ABF3L

Refrigerant pipe

ø 19.05mm(3/4")

Refrigerant pipe

ø 9.53mm(3/8")

CAPILLARY TUBE

Charging valve

MUFFLER

COMPRESSOR

ACCUMULATOR

Charging valve

DRYER

OUTDOOR UNIT INDOOR UNIT

EVAPORATORCONDENSER

Models : AUT45RLA3W / AOT45RCF3L

: AUT54RLA3W / AOT54RBF3L

Refrigerant pipe

ø 19.05mm(3/4")

Refrigerant pipe

ø 9.53mm(3/8")

: COOL

: HEAT

Charging

valve

MUFFLER

HIGH

PRESSURE

SWITCH

COMPRESSOR

4-Way

Valve

ACCUMULATOR

Charging valve

DRYER EXPANSION

VALVE

STRAINER

OUTDOOR UNIT INDOOR UNIT

EVAPORATORCONDENSER

– 3 –

Models : AUT36ALA3W

:AUT45ALA3W

:AUT54ALA3W

Models : AOT36ACF3L

:AOT45ACF3L

:AOT54ABF3L

CIRCUIT DIAGRAM

CN 10 CN 4

STEP

MOTOR

FLOAT

SWITCH

DRAIN PUMP

MOTOR

FAN MOTOR

CAPACITOR

CONTROL BOARD

THERMISTOR

(PIPE TEMP.)

123

THERMISTOR

(ROOM TEMP.)

TO REMOTE

CONTROL UNIT

TERMINAL

MAIN RELAY

FILTER BOARD

Use T 3A–250V

Fuse on F101

BROWN

RED

WHITE

CN 15

BLACK

CN 7

GRAY

CN 17

WHITE

BLACK

RED

CN 12

RED

BLACK

GREEN

BLACK

WHITE

BLACK

GRAY

THERMAL

FUSE 102°C

RED

ORANGE

YELLOW

WHITE

BROWN

RED

ORANGE

YELLOW

WHITE

CN 8

BLACK

CN 1

WHITE

BLACK

CN 3

(N)

TO OUTDOOR UNIT

TERMINAL

CN 6

BLACK

YELLOW

FAN

MOTOR

CN 5

BLACK

WHITE

RED

1 2

233

1 2

3 3

1 1

2 2 1 1

2 2 M

1 1

3 3 2 2

1 1

5 5 3 3

TO POWER SUPPLY TO INDOOR UNIT

BLACK

WHITE

RED

T1 T3

2 4 6 32 A1/A

INTERNAL

OVERLOAD

PROTECTOR

THERMAL

PROTECTOR

1 3 5 31 A2/B

WHITEWHITE

FAN MOTOR

(LOWER)

FAN

CAPACITOR

TERMINAL

FUSE

COMPRESSOR

MAGNETIC RELAY

CR COMPOSITE

BELT HEATER

THERMOSTAT

(DISCHARGE PIPE)

CONNECTOR

BLACK

WHITE

RED

WHITE

RED

BLACK

BLACK BLACK

GRAY

BLUE

GREEN/YELLOW

BLUE

FAN MOTOR

(UPPER)

FAN

CAPACITOR

OUTDOOR

THERMOSTAT

TERMINAL

CONNECTOR

WHITE

BROWN

WHITE

BLACK

13NTSR

(N)

– 4 –

Models : AUT36RLA3W

:AUT45RLA3W

:AUT54RLA3W

Models : AOT36RCF3L

:AOT45RCF3L

:AOT54RBF3L

CN 10 CN 4

STEP

MOTOR

FLOAT

SWITCH

DRAIN PUMP

MOTOR

FAN MOTOR

CAPACITOR

CONTROL BOARD

THERMISTOR

(PIPE TEMP.)

123

THERMISTOR

(ROOM TEMP.)

TO REMOTE

CONTROL UNIT

TERMINAL

FILTER BOARD

Use T 3A–250V

Fuse on F101

BROWN

RED

WHITE

CN 15

BLACK

CN 7

GRAY

CN 17

WHITE

BLACK

RED

GREEN

BLACK

WHITE

RED

GRAY

THERMAL

FUSE 102°C

ORANGE

YELLOW

WHITE

BROWN

RED

ORANGE

YELLOW

WHITE

CN 8

BLACK

CN 1

WHITE

BLACK

CN 3

(N)

TO OUTDOOR UNIT

TERMINAL

CN 6

BLACK

YELLOW

FAN

MOTOR

CN 5

BLACK

WHITE

RED

1 2

233

1 2

3 3

1 1

2 2 1 1

2 2 M

1 1

3 3 2 2

1 1

5 5 3 3

TO POWER SUPPLY TO INDOOR UNIT

BLACK

WHITE

RED

T1 T3

2 4 6 A1/A

INTERNAL

OVERLOAD

PROTECTOR

1 3 5 A2/B

TERMINAL

COMPRESSOR

MAGNETIC RELAY

BELT HEATER

HIGH

PRESSURE SWITCH

GREEN/YELLOW

THERMISTOR

EXPANSION

VALVE COIL

SOLENOID COIL

BROWN

BLACK

(DISCHARGE TEMP.)

(OUTDOOR TEMP.)

(PIPE TEMP.)

CN 9

WHITE

YELLOW

ORANGE

BLUE

BROWN

RED

CN 11CN 4

FAN MOTOR (UPPER)

BLUE

RED

WHITE

BLACK

CN 16

FAN MOTOR (LOWER)

FAN MOTOR

CAPACITOR (UPPER)

POWER

RELAY

BLUE

RED

WHITE

BLACK

CN 3

YELLOW

CN 15

BLACK

CN 6

BLUE

CN 13

FAN MOTOR

CAPACITOR (LOWER)

YELLOW

BLACK

YELLOW

CN 2

WHITE

FUSE

T 3.15A–250V

WHITE

GRAY

RED

WHITE

BLACK

RED

WHITE

BLUE

GREEN

CN 7

W1E

RED

CN 10

CONTROL BOARD

13NTSR

(N)

1 2 3 4 5 61 21 21 2 1 2 3 4 5 6

1 2 3 4

1 2 3 41 21 21 2 1 2 3

4WV

– 7 –

INDOOR PRINTED CIRCUIT BOARD

CIRCUIT DIAGRAM

Models : AUT36ALA3W

: AUT45ALA3W

: AUT54ALA3W CONTROLLER PCB ASSEMBLY (MAIN PCB)

EZ–099CWSE–C

240V

50Hz

FILTER PCB

ROOM TEMPERATURE

THERMISTOR

HEAT EXCHANGER

THERMISTOR

FLOAT SWITCH

– 8 –

Models : AUT36RLA3W

: AUT45RLA3W

: AUT54RLA3W CONTROLLER PCB ASSEMBLY (MAIN PCB)

EZ–099DHSE–C

ROOM TEMPERATURE

THERMISTOR

HEAT EXCHANGER

THERMISTOR

FLOAT SWITCH

FILTER PCB

– 9 –

OUTDOOR PRINTED CIRCUIT BOARD

CIRCUIT DIAGRAM

Models : AOT36RCF3L

: AOT45RCF3L

: AOT54RBF3L

MAIN PCB EZ–0993HUE–C

ELECTROMAGNETIC

RELAY–A

ELECTRONIC

EXPANSION VALVE–A

OUTDOOR TEMP. THERMISTOR

PIPE TEMP. THERMISTOR–A

DISCHARGED TEMP. THERMISTOR–A

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