Fujitsu AU*A45LCLU Service manual

DESIGN & TECHNICAL MANUAL
SINGLE
INDOOR
OUTDOOR
AOA45LBTL
AUA45LCLU
AUA54LCLU
AOA45-54LCTL
AIR CONDITIONER
Cassette type

1. INDOOR UNIT
D2D_AU041E/04
2011.03.01
CASSETTE TYPE :
AUA45LCLU
AUA54LCLU

- (3) -
CASSETTE TYPE AUA45-54LC CASSETTE TYPE AUA45-54LC
CONTENTS
1. INDOOR UNIT
1. FEATURE............................................................................................................ 01 - 01
2. WIRED REMOTE CONTROLLER ................................................... 01 - 04
3. SPECIFICATIONS ........................................................................................ 01 - 06
4. DIMENSIONS................................................................................................... 01 - 08
5. WIRING DIAGRAMS.................................................................................. 01 - 10
6. CAPACITY TABLE........................................................................................01 - 11
6-1. COOLING CAPACITY .................................................................................01 - 11
6-2. HEATING CAPACITY ................................................................................. 01 - 13
7. FAN PERFORMANCE .............................................................................. 01 - 15
7-1. AIR VELOCITY DISTRIBUTION............................................................... 01 - 15
7-1-1. STANDARD MODE .................................................................................. 01 - 15
7-1-2. SPECIAL UPWARD MODE ..................................................................... 01 - 19
7-2. AIR FLOW .................................................................................................... 01 - 20
7-2-1. 4-WAY OUTLET ....................................................................................... 01 - 20
7-2-2. 3-WAY OUTLET ....................................................................................... 01 - 21
7-3. FRESH AIR................................................................................................... 01 - 22
7-4. DUCT CONNECTION ................................................................................. 01 - 23
8. OPERATION NOISE................................................................................... 01 - 25
8-1. NOISE LEVEL CURVE............................................................................... 01 - 25
8-2. SOUND LEVEL CHECK POINT ............................................................... 01 - 26
9. ELECTRIC CHARACTERISTICS..................................................... 01 - 27
10. SAFETY DEVICES....................................................................................... 01 - 28
11. EXTERNAL INPUT & OUTPUT ......................................................... 01 - 29
11-1. EXTERNAL INPUT...................................................................................... 01 - 29
11-2. EXTERNAL OUTPUT ................................................................................. 01 - 30
12. FUNCTION SETTING ................................................................................ 01 - 32
12-1. INDOOR UNIT.............................................................................................. 01 - 32
12-2. INDOOR UNIT (Setting by remote controller) ..................................... 01 - 34
12-3. WIRED REMOTE CONTROLLER............................................................ 01 - 38
13. OPTIONAL PARTS...................................................................................... 01 - 39

- (01 - 01) -
CASSETTE TYPE AUA45-54LC CASSETTE TYPE AUA45-54LC
FEATURE1.
M O D E L S

AUA45LCLU / AOA45LBTL, AOA45LCTL
AUA54LCLU / AOA54LCTL
FEATURES

Energy saving
z
All DC design•
Heat exchange efciency increased and larger air ow by adoption of new type turbo fan•
Advancement in comfort
z
Quiet operation was realized by adoption of new type turbo fan•
Improvement of air stream•
Adoption of high efficiency turbo fan
High efciency achieved by equaling the performance of the wing and air passing the heat
exchanger
Important of the flap
Making space between the ceiling, the air ows far wide and ceiling does not get dirty.
500mm
Wind
velocity
Fast
Slow 3-dimensional wing
: Spin direction : Airflow direction
No airflow
separation
Quiet
< Motor side >
Heat exchanger
Rear part
Front part Ceiling
Round Flap
Much less temperature irregularity
happens by spreading air flow widely
Bottom view
AOA45LBTL AOA45LCTL
AOA54LCTL

- (01 - 02) -
CASSETTE TYPE AUA45-54LC CASSETTE TYPE AUA45-54LC
High lift drain pump
z
850mm
Ceiling panel
Simplication of drain water check
z
Drain and contamination check are possible
without removing the decoration panel.
Can be easily checked by removing the drain
cover.
Easy installation
z
Easy setting by wired
remote controller
Improvement of installation & maintenance
z
Adjustment of nut is possible after installation•
Mounting position of body can be ne adjusted after Decoration panel mounting.
Grille corner
Adjustment
can be done just taking
off the corner part
1.5
3
7 5 3 73 5
Side view
Airflow range of 2m / s
120120
Wide & powerful airflow
The wind is widely delivered by a high efciency fan and round ap.
[m]
DRAIN CAP
DRAIN COVER

- (01 - 03) -
CASSETTE TYPE AUA45-54LC CASSETTE TYPE AUA45-54LC
FUNCTION SETTING

Other functions
z
Performs operation matched to the number of outlets when 4 directions are unnecessary and •
outlets are blocked when the ceiling cassette is installed in a corner, etc.
Ceiling switching function
z
Also delivers air to high ceilings by selecting the mode and raising the air ow according to the
height of the ceiling.
Low ceiling (Mode 1)
4.2m 3.2m 2.7m
High ceiling (Mode 2) Standard ceiling (Standard)
Standard ...Operates at normal air ow.
Mode 1 ...Air ow becomes smaller than normal.
Mode 2 ...Air ow becomes greater than normal.
Filter sign
z
The indoor unit has sign to inform the user that it is time to clean the lter
Cooling room temperature correction
z
Heating room temperature correction
z
Auto restart
z
The units restart automatically when the current was returned even when there was a power
interruption during operation.
Room temperature sensor switching
z
Switches from room temperature judgment by room temperature sensor attached to indoor
unit body to room temperature judgment by room temperature sensor attached to wired remote
controller.
Economy operation
z
The power consumption can be reduced.
Powerful mode ...Standard
Soft mode ...Performs operation which reduces the power consumption
4-way direction 3-way direction
4-way direction mode: Set when there are 4 outlets
(shipped state).
3-way direction mode: Set when there are 3 outlets.

- (01 - 04) -
CASSETTE TYPE AUA45-54LC CASSETTE TYPE AUA45-54LC
WIRED REMOTE CONTROLLER2.
FEATURES

Various timer setup (ON / OFF / WEEKLY) are possible.

Equipped with weekly timer as standard function.

(2 times Start / Stop per day for a week)
When setting up a timer, operation mode and a temperature

setup can be changed.
When a failure occurs,the error code is displayed. (Maximum of 16)

Error indication.(A maximum of 16 error histories are memorizable.)

Up to 16 indoor units can be simultaneously controlled.

Economy operation are possible.

Easy installation with a slim shape with no bulge in the back.

The room temperature can be controlled by being detected the

temperature accurately with built-in thermo sensor.
Simple function setting
z
Setting of the air conditioner selection function is performed by remote controller.
High performance and compact size
z
Three functions are combined in
one unit.
Built-in timers
z
Wired
remote
controller
Weekly
timer
Setback
timer
+ +
Weekly timer Setback timer
At "Weekly timer" + "Set back timer" setup
Easy-to-understand operation
z
[Variable timer control]
The operation/display sections are zoned
according to time and operation, enabling
variable programming to match application.
Simple installation
z
Components are compatible with standard
switch boxes. Flat back construction allows
equipment to be installed wherever it is
needed.
European
switch box
JIS box
SU MO TU WE TH FR SA
7
3 12 6 9 15 18 21
SU MO TU WE TH FR SA
7
3 12 6 9 15 18 21
SU MO TU WE TH FR SA
3 12 6 9 15 18 21
Possible to set ON/OFF time to operate twice each day
of the week.
Setup screen example
(Set to Wednesday: 8:00 to 20:00.)
Screen
after setup
Setup screen example
(Set from Sunday to Saturday: 12:00 to 15:00, 28 °C.)
Possible to set temperature for two time spans and
for each day of the week.
Easy-to-understand time bar display
24°C
036912 15 18 21 Time
28°C
036912 15 18 21 Time
28°C
24°C
036912 15 18 21 Time
24°C 28°C 24°C
Timer
area
Operation
area

- (01 - 05) -
CASSETTE TYPE AUA45-54LC CASSETTE TYPE AUA45-54LC
FUNCTIONS

Display panel
DIMENSION

SPECIFICATION

15
11
10
9
8
21
3
5
14
4
12
13
6
7
17
16 18
19 20
21
120 18
120
SIZE (H x W x D mm) 120 x 120 x 18
WEIGHT ( g ) 160
CABLE LENGTH ( m ) 10
POWER ( V ) 12
1START/STOP button
Pressed to start and stop operation.
2SET TEMP. button
Selects the setting temperature.
3MODE button
Selects the operating mode (AUTO, HEAT, FAN, COOL, DRY).
4FAN button
Selects the fan speed (AUTO, QUIET, LOW, MED, HIGH).
5ECONOMY (THERMO SENSOR) button
Turns the economy efcient mode on and off.
6TIMER MODE (CLOCK ADJUST) button
Selects the timer mode (OFF TIMER, ON TIMER, WEEKLY
TIMER). Set the current time.
7DAY (DAY OFF) button
Temporarily cancels of one day timer.
8SET BACK buttonn
Pressed to select the set back timer.
9Set time button
Pressed to set time.
10 TIMER DELETE button
The schedule of a weekly timer is deleted.
11 TIMER SET button
Sets the date, hour, minute and on-off time.
12 Vertical airow direction and swing button
Push for two seconds to change the swing mode.
13 Horizontal airow direction and swing button
Push for two seconds to change the swing mode.
14 FILTER RESET button
15 Operation lamp
Lights during operation and when the timer is on.
16 Timer and clock display
17 Operation mode display
18 Fan speed display
19 Operation lock display
20 Temperature display
21 Function display
Defrost display
Thermo sensor display
Economy display
Vertical swing display
Horizontal swing display
Filter display
Functions will be different due to type of indoor unit.
For details, please see operation manual.
[ Unit : mm ]
Front View

- (01 - 06) -
CASSETTE TYPE AUA45-54LC CASSETTE TYPE AUA45-54LC
SPECIFICATIONS3.
Note :
Specications are based on the following conditions.
Cooling : Indoor temperature of 27 °CDB / 19 °CWB.and outdoor temperature of 35 °CDB/24 °CWB.
Heating : Indoor temperature of 20 °CDB / 15 °CWB.and outdoor temperature of 7 °CDB/6 °CWB.
Pipe length : 7.5 m, Height difference : 0 m.(Outdoor unit - Indoor unit)
The maximum current is the maximum value when operated within the operation range (temperature)
Type CASSETTE MODEL
INVERTER HEATPUMP
Model name Indoor unit AUA45LCLU
Outdoor unit AOA45LBTL
Power source 230V ~ 50Hz
Available voltage range 198-264V ~ 50Hz
European energy label Cooling A
Heating A
Capacity
Cooling
Rated kW 12.5
BTU/h 42700
Min-Max kW 4.0-14.0
BTU/h 13700-47800
Heating
Rated kW 14.0
BTU/h 47800
Min-Max kW 4.2-16.2
BTU/h 14300-55300
Input power
Cooling Rated
kW
3.89
Max 4.56
Heating Rated 3.77
Max 4.56
Current
Cooling Rated
A
17.0
Max 20.0
Heating Rated 16.5
Max 20.0
EER Cooling kW/kW 3.21
COP Heating 3.71
Moisture removal l/h (pints/h) 4.5(7.9)
Fan
Airow
rate
Cooling
High
m3/h
1900
Med 1640
Low 1460
Quiet 1250
Heating
High 1900
Med 1640
Low 1460
Quiet 1250
Type × Q'ty Turbo × 1
Motor output W80
Sound pressure level
Cooling
High
dB(A)
46
Med 42
Low 40
Quiet 36
Heating
High 46
Med 42
Low 40
Quiet 36
Heat exchanger type
Dimensions (H × W × D)
mm
252×2021×13.3
252×2087×13.3
252×2153×13.3
Fin pitch 1.3
Rows x Stages 3 x 12
Pipe type Copper
Fin type Aluminium
Enclosure (Panel)
Material Steel (HIPS)
Colour WHITE
Approximate colour of MUNSELL N 9.25/
Dimensions
( H×W×D)
Net Unit
mm
288×840×840
Panel 50×950×950
Gross Unit 360×960×985
Panel 115×1120×1000
Weight
Net Unit
kg(lbs.)
27(60)
Panel 5.5(12)
Gross Unit 33(73)
Panel 8.5(19)
Connection pipe Size Liquid mm Ø 9.52 (3/8 in.) Gas Ø 15.88 (5/8 in.)
Method Flare
Operation range Cooling °C 18 to 32 %RH 80 or less
Heating °C 16 to 30
Remote controller type Wired
Drain pipe Material PVC(VP25)
Size mm Outer diameter : 32.0 / Inner diameter : 25.0

- (01 - 07) -
CASSETTE TYPE AUA45-54LC CASSETTE TYPE AUA45-54LC
Note :
Specications are based on the following conditions.
Cooling : Indoor temperature of 27 °CDB / 19 °CWB.and outdoor temperature of 35 °CDB/24 °CWB.
Heating : Indoor temperature of 20 °CDB / 15 °CWB.and outdoor temperature of 7 °CDB/6 °CWB.
Pipe length : 5 m, Height difference : 0 m.(Outdoor unit - Indoor unit)
The maximum current is the maximum value when operated within the operation range(temperature)
Type CASSETTE MODEL
INVERTER HEATPUMP
Model name Indoor unit AUA45LCLU AUA54LCLU
Outdoor unit AOA45LCTL AOA54LCTL
Power source 230V ~ 50Hz
Available voltage range 198-264V ~ 50Hz
European energy label Cooling A B
Heating A B
Capacity
Cooling
Rated kW 12.5 13.3
BTU/h 42700 45400
Min-Max kW 4.0-14.0 4.5-14.5
BTU/h 13700-47800 15400-49500
Heating
Rated kW 14.0 16.0
BTU/h 47800 54600
Min-Max kW 4.2-16.2 4.7-16.5
BTU/h 14300-55300 16000-56300
Input power
Cooling Rated
kW
3.88 4.42
Max 4.70 4.94
Heating Rated 3.77 4.69
Max 4.70 4.94
Current
Cooling Rated
A
16.9 19.3
Max 20.5 21.5
Heating Rated 16.5 20.5
Max 20.5 21.5
EER Cooling kW/kW 3.22 3.01
COP Heating 3.71 3.41
Moisture removal l/h (pints/h) 4.5 (7.9) 5.0 (8.8)
Fan
Airow
rate
Cooling
High
m3/h
1900 2000
Med 1640 1700
Low 1460 1530
Quiet 1250 1300
Heating
High 1900 2000
Med 1640 1700
Low 1460 1530
Quiet 1250 1300
Type × Q'ty Turbo × 1
Motor output W80
Sound pressure level
Cooling
High
dB(A)
46 47
Med 42 43
Low 40 41
Quiet 36 37
Heating
High 46 47
Med 42 43
Low 40 41
Quiet 36 37
Heat exchanger type
Dimensions (H × W × D)
mm
252×2021×13.3
252×2087×13.3
252×2153×13.3
Fin pitch 1.3
Rows x Stages 3 x 12
Pipe type Copper
Fin type Aluminium
Enclosure (Panel)
Material Steel (HIPS)
Colour WHITE
Approximate colour of MUNSELL N 9.25/
Dimensions
( H×W×D)
Net Unit
mm
288×840×840
Panel 50×950×950
Gross Unit 360×960×985
Panel 115×1120×1000
Weight
Net Unit
kg(lbs.)
27(60)
Panel 5.5(12)
Gross Unit 33(73)
Panel 8.5(19)
Connection pipe Size Liquid mm φ9.52 (3/8 in.) Gas φ15.88 (5/8 in.)
Method Flare
Operation range Cooling °C 18 to 32 %RH 80 or less
Heating °C 16 to 30
Remote controller type Wired
Drain pipe Material PVC(VP25)
Size mm Outer diameter : 32.0 / Inner diameter : 25.0