Fujitsu AUU18RCLX User manual

SPLIT TYPE
AIR CONDITIONER
(60Hz)
CASSETTE
type
Models
Indoor unit Outdoor unit
AUU18RCLX
AUU24RCLX
AUU36RCLX
AUU42RCLX
AOU18RLX
AOU24RLX
AOU36RLX
AOU42RLX
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . 1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 3
REFRIGERANT SYSTEM DIAGRAM . . . . . . . 7
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . 9
ERROR CONTENTS . . . . . . . . . . . . . . . . . . . .
13INDOOR PCB CIRCUIT DIAGRAM . . . . . . .
. . . . . 15OUTDOOR PCB CIRCUIT DIAGRAM
21
DISASSEMBLY ILLUSTRATION . . . . . . . . . . 23
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . 38
STANDARD ACCESSORIES . . . . . . . . . . . . . 42

INDOOR UNIT H x W x D
DIMENSIONS
INDOOR UNIT GROSS / NET
GROSS / NETOUTDOOR UNIT
WEIGHT
POWER SOURCE
COOLING
RUNNING CURRENT HEATING
INPUT WATTS COOLING
HEATING
E.E.R. COOLING
HEATING
STARTING CURRENT
MOISTURE REMOVAL
AIRCIRCULATION-Hi (m
3
/hr)
FAN MOTOR
TYPE
DISCRIMINATION
REFRIGERANT R410A
DISCRIMINATION
HIGH-SPEED
HIGH-SPEED
INDOOR UNIT
( Cool / Heat )
MED-SPEED
LOW-SPEED
DISCRIMINATION
OUTDOOR UNIT
TYPE
COOLING & HEATING
INDOOR UNIT
AUU18RCLX AUU24RCLX AUU36RCLX
OUTDOOR UNIT
AOU18RLX AOU24RLX AOU36RLX
COOLING CAPACITY
HEATING CAPACITY
44 / 34 kg 52 / 37 kg
70 / 64 kg
44 / 34 kg
70 / 64 kg 70 / 64 kg
7.0 / 7.8 A 9.2 / 10.1 A
8.9 / 9.9 A 10.4 / 11.4 A
1.61 / 1.61 kW 2.10 / 2.10 kW
2.05 / 2.05 kW 2.37 / 2.37 kW
3.23 / 3.23 kW/kW 3.10 / 3.10 kW/kW
3.07 / 3.07 kW/kW 3.00 / 3.00 kW/kW
18.3 / 19.5 A
16.2 / 17.9 A
4.22 / 4.08 kW
3.73 / 3.73 kW
2.37 / 2.40 kW/kW
3.00 / 2.95 kW/kW
10 A
4.0 L/hr
1,600 m3/hr
8.4 A
2.5 L/hr
9.5 A
3.0 L/hr
1,050 m3/hr950 m3/hr
230 / 208 V 60Hz
Total enclosed type, 4 poles, Inverter, Twin Rotary Hermetic type, 6 poles,
Inverter, Scroll
TNB220FPBM9 ANB33FCMMT
4 lb 14 oz
2,200 g
4 lb 3 oz
1,900 g
4 lb 3 oz
1,900 g
MFA-24RPT
450 / 400 r.p.m.
390 / 350 r.p.m.
330 / 310 r.p.m.
MFE-45ROM
Cool 780 /
Heat 780 r.p.m.
MFA-54PZM
620 / 620 r.p.m.
540 / 540 r.p.m.
460 / 460 r.p.m.
S-LOW-SPEED
- / 250 r.p.m.
MFA-24RPT
490 / 440 r.p.m.
430 / 380 r.p.m.
360 / 330 r.p.m.
MFE-45ROM
Cool 850 /
Heat 900 r.p.m.
- / 250 r.p.m. - / 300 r.p.m.
MFE-45ROM
Cool 850 /
Heat 900 r.p.m.
17,800 / 17,800 BTU/h 22,200 / 22,200 BTU/h 34,100 / 33,500 BTU/h
21,500 / 21,500 BTU/h 24,200 / 24,200 BTU/h 38,200 / 37,600 BTU/h
ELECTRICAL DATA
COMPRESSOR
( /hr)
H x W x DOUTDOOR UNIT
32-3/4" x 35-1/2" x 13" inch
( 830 x 900 x 330 mm )
AUU42RCLX
AOU42RLX
55 / 40 kg
112 / 105 kg
20.3 / 21.7 A
19.1 / 21.0 A
4.66 / 4.51 kW
4.39 / 4.37 kW
2.67 / 2.71 kW/kW
3.19 / 3.14 kW/kW
15 A
5.5 L/hr
1,700 m3/hr
7 lb 8 oz
3,400 g
MFA-54PZM
650 / 650 r.p.m.
610 / 610 r.p.m.
530 / 530 r.p.m.
- / 300 r.p.m.
MFE-45ROM
Up Fan 850 /
Down Fan 750 r.p.m.
42,700 / 41,700 BTU/h
47,800 / 46,800 BTU/h
9-3/4" x 32-3/4" x32-3/4" inch
( 246 x 830 x 830 mm )
11-5/8" x 32-3/4" x 32-3/4" inch
( 296 x 830 x 830 mm )
50-7/8" x 35-1/2" x 13" inch
1,290 x 900 x 330 mm
2005.12.21 1
SPECIFICATIONS

REFRIGERANT CHARGE (R410A)
MAX PIPE LENGTH
50 m
MAX PIPE HEIGHT
30 m
50 m
30 m
Pipe Length 49 ft. (15 m)
4 lb 3 oz (1,900 g) 4 lb 14 oz (2,200 g)
66 ft. (20 m)
4 lb 7 oz (2,000 g) 5 lb 5 oz (2,400 g)
FULL CHARGE
AMOUNT
98 ft. (30 m)
4 lb 14 oz (2,200 g) 6 lb 3 oz (2,800 g)
131 ft. (40 m)
5 lb 5 oz (2,400 g) 7 lb 1 oz (3,200 g)
164 ft. (50 m)
5 lb 12 oz (2,600 g) 7 lb 15 oz (3,600 g)
197 ft. (60 m)
---- ---
230 ft. (70 m)
----
50 m
30 m
4 lb 3 oz (1,900 g)
4 lb 10 oz (2,100 g)
5 lb 8 oz (2,500 g)
6 lb 6 oz (2,900 g)
7 lb 5 oz (3,300 g)
----
---- ---
ADDITIONAL REFRIGERANT
0.212 oz / ft. (20 g / m)
NOISE LEVEL
HIGH-SPEED
42.0 dB
INDOOR UNIT MED-SPEED
39.0 dB
LOW-SPEED
COOL
HEAT
36.0 dB
45.0 dB
43.0 dB
38.0 dB
48.0 dB
45.0 dB
41.0 dB
OUTDOOR UNIT
51.0 dB
53.0 dB
53.0 dB 54.0 dB
55.0 dB 55.0 dB
TYPE
COOLING & HEATING
INDOOR UNIT
AUU18RCLX AUU24RCLX AUU36RCLX
OUTDOOR UNIT
AOU18RLX AOU24RLX
70 m
30 m
7 lb 8 oz (3,400 g)
7 lb 8 oz (3,400 g)
8 lb 6 oz (3,800 g)
9 lb 4 oz (4,200 g)
10 lb 2 oz (4,600 g)
11 lb 0 oz (5,000 g)
11 lb 14 oz (5,400 g)
0.424 oz / ft. (40 g / m)
50.0 dB
48.0 dB
44.0 dB
55.0 dB
56.0 dB
AUU42RCLX
AOU42RLXAOU36RLX
2005.12.21 2

Unit : inch (mm)
INDOOR UNIT
Models :
AUU18RCLX, AUU24RCLX
DIMENSIONS
2005.12.26 3
(200)
9-3/4"
(246)
9-1/4"
(235)
9-25/32"
(248.5)
11-3/4"
(298.5)
12" (305.5)
1-3/16"
(30)
37" (940)
37" (940)
2-3/8" (60)
Drain inside Dia. ø32
outside Dia. ø37
3-15/16" (100)
2-3/4" (70)
7-7/8"
9-25/32"
(248.5)
11-3/4"
(298.5)
12" (305.5)
2-3/8" (60)
3-15/16" (100)
2-3/4" (70)
32-3/4" (830)
32-3/4" (830)

1-3/16" (30mm)
37" (940mm)
37" (940mm)
29-17/32" (750mm)
29-17/32" (750mm)
11-5/8" (296mm)
2-3/8" (60mm)
Drain pipe (I.D.32mm)
11-3/4"
(298.5mm)
11-7/32" (250mm)
12"
(305.5mm)
9-25/32"
(248.5mm)
3-5/8" (92mm)
2-3/8" (60mm)
12"
(305.5mm)
11-3/4" (298.5mm)
9-25/32"
(248.5mm)
5" (127mm)
11-7/32" (285mm)
Drain pipe(I.D.32mm)
Unit : inch (mm)
INDOOR UNIT
Models :
AUU36RCLX, AUU42RCLX
2005.12.21 4

Unit : inch (mm)
OUTDOOR UNIT
Models:
AOU18RLX, AOU24RLX, AOU36RLX
2005.12.21 5
3"(77)
35-1/2" (900)
32-3/4" (830)
17-3/8" (440)
7/8" (21)
3/8" (9)
15-3/4" (400)
13" (330)
1-1/4"
(31)
1/2"
(12)
7-3/4" (196)
5-3/4" (147)
6-3/4" (170)
3-7/8" (99)
14-5/8" (370)
25-5/8" (650)
Air Flow

Unit : inch (mm)
OUTDOOR UNIT
Model : AOU42RLX
35-1/2" (900)
2005.12.21 6
3"(77)35-1/2" (900)
50-7/8" (1,290)
7/8" (21)
3/8" (9)
15-3/4" (400)
13" (330)
1-1/4"
(31)
1/2"
(12)
7-3/4" (196)
5-3/4"
(147)
6-3/4" (170)
3-7/8" (99)
14-5/8" (370)
25-5/8" (650)
Air Flow

Evaporator
REFRIGERANT SYSTEM DIAGRAM
OUTDOOR UNIT
Pressure
Check Valve
Condenser
4-way
Valve
High Pressure
Switch
Accumulator
Muffler
Compressor
Expansion
Valve
Refrigerant Pipe
6.35mm (1/4")
Charging Valve
Charging
Valve
Refrigerant Pipe
12.7mm (1/2")
INDOOR UNIT
Strainer
Strainer
: COOL
: HEAT
Models :
AUU18RCLX / AOU18RLX
2005.12.21 7

Evaporator
OUTDOOR UNIT
Pressure
Check Valve
Condenser
4-way
Valve
High Pressure
Switch
High Pressure
Switch
Accumulator
Muffler
Accumulator
Compressor
Expansion
Valve Refrigerant Pipe
9.52mm (3/8")
Charging Valve
Charging
Valve
Refrigerant Pipe
15.88mm (5/8")
INDOOR UNIT
Strainer
Strainer
Models :
AUU24RCLX / AOU24RLX
AUU36RCLX / AOU36RLX
OUTDOOR UNIT
Pressure
Check Valve
Condenser
4-way
Valve
Muffler
Compressor
Expansion
Valve Refrigerant Pipe
9.52mm (3/8")
Charging Valve
Evaporator
Charging
Valve
Refrigerant Pipe
15.88mm (5/8")
INDOOR UNIT
Strainer
Strainer
Strainer
: COOL
: HEAT
Models : AUU42RCLX / AOU42RLX
2005.12.21 8

CIRCUIT DIAGRAM
Models :
AUU18RCLX, AUU24RCLX
Models :
AUU36RCLX, AUU42RCLX
2005.12.22 9
YELLOW
YELLOW
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
PURPLE
BLUE
RED
WHITE
BLACK
RED
RED
WHITE
WHITE
WHITE
GREEN /
YELLOW
WHITE WHITE
YELLOWYELLOW
ORANGE ORANGE
RED RED
BROWN BROWN
WHITE
BLACK
RED
GREEN
BLACK WHITE RED
GRAY GRAY
BLACK
BLACK
1 2
1 21 2
1 2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
2
1
2
1
2
1
2
1
2
1
2
CN7 CN8
CN4 CN5
CN1
CN16 CN6
CN17
CN15 CN10
321
N
Use T3.15A-250V Fuse on F101
TERMINAL
TO REMOTE CONTROL UNIT
PIPE TEMPERATURE THERMISTOR
ROOM TEMPERATURE THERMISTOR
STEP MOTOR
M
FLOAT SWITCH
DRAIN PUMP MOTOR
M
FAN MOTOR
F M
FAN MOTOR
CAPACITOR
G
TERMINAL
TO OUTDOOR UNIT
3
2
(N)
1
CONTROLLER PCB ASSY
POWER SUPPLY
PCB ASSY
L
ORANGE ORANGE
YELLOW YELLOW
WHITE WHITE
RED RED
BROWN BROWN
BLACK
BLACK
BLACK
BLACK
WHITE
WHITE
WHITE
RED
BLACK
BLACK
BLACK
BLACK
YELLOW
YELLOW
WHITE
RED
BLACK
WHITE
RED
BLACK
BLACK GRAY
GRAY
RED
WHITE
BLACK
1
2
3
1
2
3
1
2
3
1
2
2
1
4
5
3
2
1
4
5
3
2
1
4
5
3
2
1
4
5
12
12
12
12
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
2
1
2
1
2
1
2
1
CN7 CN8
CN17
CN4
CN10
CN1
CN15
CN6CN5
GREEN
L
N
Use T3.15A-250V Fuse on F101
G
TERMINAL FAN MOTOR
F M
M
M
DRAIN PUMP MOTOR
FLOAT SWITCH
STEP MOTOR
1 3
2
(N)
TO OUTDOOR UNIT
POWER SUPPLY PCB
CONTROLLER PCB
321
TERMINAL
FAN MOTOR CAPACITOR
PIPE TEMPERATURE THERMISTOR
ROOM TEMPERATURE THERMISTOR
TO REMOTE CONTROL UNIT