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
30
296
750
940
1152
23
60
(Drain pipe)
120
(Large pipe)
150 (Small pipe)
285
250
940
298.5
305.5
940 370
248.5
60
(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
1
21 2
WHITE
WHITE
CN 15
BLACK
BLACK
BLACK
BLACK
CN 7
GRAY GRAY
CN 17
WHITE
BLACK
RED
CN 12
RED
BLACK
GREEN
BLACK WHITE BLACK GRAY GRAY
THERMAL FUSE 102°C
RED
ORANGE
YELLOW
WHITE
BROWN
RED
ORANGE
YELLOW
WHITE
M
CN 8
BLACK BLACK
CN 1
WHITE
BLACK
CN 3
3
L
N
12
(N)
TO OUTDOOR UNIT
TERMINAL
CN 6
BLACK
BLACK
YELLOW
YELLOW
FAN
MOTOR
CN 5
BLACK
WHITE
RED
1 2
1 2
2
1
233
1
3
1
3
1
2
1
2
1
2
1
2
1
1 2
1 2
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
21 2
3 3
1
21 2
3 3
1 1
2 2 1 1 2 2 M
1 1
3 3 2 2 1 1
5 5 3 3
FM
L
C
N
TO POWER SUPPLY TO INDOOR UNIT
BLACK
BLACK
WHITE
RED
RED
T1 T3
T2
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
5A
COMPRESSOR
MAGNETIC RELAY
CR COMPOSITE
BELT HEATER
THERMOSTAT (DISCHARGE PIPE)
CONNECTOR
BLACK
WHITE
RED
WHITE
RED
BLACK
BLACK BLACK
GRAY
BLUE
BLUE
GREEN/YELLOW
BLUE
BLUE
BLUE
FAN MOTOR
(UPPER)
FAN
CAPACITOR
OUTDOOR THERMOSTAT
TERMINAL
CONNECTOR
WHITE
BROWN WHITE WHITE BLACK
BLACK
13NTSR
2
(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
1
21 2
WHITE
WHITE
CN 15
BLACK
BLACK
BLACK
BLACK
CN 7
GRAY GRAY
CN 17
WHITE
BLACK
RED
GREEN
BLACK WHITE RED GRAY GRAY
THERMAL FUSE 102°C
ORANGE
YELLOW
WHITE
BROWN
RED
ORANGE
YELLOW
WHITE
M
CN 8
BLACK BLACK
CN 1
WHITE
BLACK
CN 3
3
L
N
12
(N)
TO OUTDOOR UNIT
TERMINAL
CN 6
BLACK
BLACK
YELLOW
YELLOW
FAN
MOTOR
CN 5
BLACK
WHITE
RED
1 2
1 2
2
1
233
1
2
1
233
1
2
1
2
1
1 2
1 2
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
21 2
3 3
1
21 2
3 3
1 1
2 2 1 1 2 2 M
1 1
3 3 2 2 1 1
5 5 3 3
FM
TO POWER SUPPLY TO INDOOR UNIT
BLACK WHITE RED
T1 T3
T2
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
BROWN
BLACK
BLACK
BLACK
BLACK
BLACK
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
YELLOW
CN 15
BLACK
BLACK
CN 6
BLUE
BLUE
CN 13
FAN MOTOR
CAPACITOR (LOWER)
YELLOW
BLACK
YELLOW
CN 2
WHITE
FUSE T 3.15A–250V
WHITE
GRAY RED WHITE BLACK
BLACK
RED
WHITE
BLUE
GREEN
CN 7
W1E
RED
RED
CN 10
CONTROL BOARD
13NTSR
2
(N)
1 2 3 4 5 61 21 21 2 1 2 3 4 5 6
EV
1 2 3 4
FM
1 2 3 41 21 21 2 1 2 3
FM
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