General AUH45L, AUH45LUAS, AOH45LJBYL Technical Manual

R410A

5 . CASSETTE TYPE :
 AU 45LUAS

D2D_AU004E/02

2006.01.10

5-1. FEATURE

MODELS :
AU 45LUAS / AO 45LJBYL

FEATURES

Easy maintenance

The control box is easily accessible for maintenance work
Wide opening for easy access.

Detachable,washable filter and intake grille.

Wide opening and long-life filter.

Long-life filter
High efficiency, long-life filter extends the cleaning cycle.

Long-life filter

Slim intake grille

Slim type intake grille can fit the ceiling after installation.

CASSETTE TYPE

AU45

20

(unit: mm)

CASSETTE TYPE

AU45

Group controller

One remote controller can control up to 16 air conditioners.
All of the air conditioners will be operated with the same settings.

Connectable quantity : Maximum 16 indoor units for 1 remote controller.

- (05 - 01) -

Duct connection hole opening

Fresh air can be introduced through this opening.

Distribution
duct

Fresh air

Distribution
duct

Conditioned air can be distributed by means of a distribution duct.

CASSETTE TYPE

AU45

One-way

CASSETTE TYPE

AU45

Two-way

- (05 - 02) -

5-2. REMOTE CONTROLLER

5-2-1. WIRED REMOTE CONTROLLER

FEATURES

Various timer setup (ON / OFF / WEEKLY) are possible.

SUMOTUWETH FR SA

7

3126 9

15 18 21

High performance and compact size

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.
Anti freeze and energy saving operation are possible.
Easy installation with a slim shape with no boldge in the back.
The room temperature can be controlled by being detected the temperature

accurately with built-in thermo sensor.

Three functions are combined in
one unit.

Wired

remote

controller

Weekly

timer

Setback

timer

Built-in timers

Setback timerWeekly timer

CASSETTE TYPE

AU45

Possible to set ON/OFF time to operate twice each day
of the week.

SUMOTUWETH FR SA

7

3126 9

15 18 21

Setup screen example
(Set to Wednesday: 8:00 to 20:00.)

0 3 6 9 12 15 18 21 Time

Easy-to-understand time bar display

24°C

SUMOTUWETH FR SA

7

3126 9

15 18 21

Screen
after setup

Possible to set temperature for two time spans and
for each day of the week.

SUMOTUWETH FR SA

3126 9

15 18 21

Setup screen example
(Set from Sunday to Saturday: 12:00 to 15:00, 28 °C.)

28°C

0 3 6 9 12 15 18 21 Time

At "Weekly timer" + "Set back timer" setup

24°C

24°C 28°C 24°C

0 3 6 9 12 15 18 21 Time

28°C

CASSETTE TYPE

AU45

Easy-to-understand operation Simple installation

Components are compatible with standard
switch boxes. Flat back construction allows
equipment to be installed wherever it is
needed.

Timer
area

[

Variable timer control

]

The operation/display sections are zoned accord­ing to time and operation, enabling variable pro­gramming to match application.

Operation
area

European
switch box

- (05 - 03) -

JIS box

FUNCTIONS

Display

2
7
8
9

10

11

12

Display panel

15

CLOCK ADJUST

SET BACK

SUMOTUWETH FR

369

12 15 18 21

DAY OFF

DELETE SET

1

START/STOP button

Pressed to start and stop operation.

2

Set Temperature button

SA

14

DAY

ENERGY

THERMO

SAVE

SENSOR

1
3

4

5

6

13

Selects the setting temperature.

3

Master control button

Selects the operating mode(AUTO, HEAT, FAN, COOL, DRY).

4

Fan control button

Selects the fan speed (AUTO, LOW, MED, HIGH).

5

Thermo sensor button

6

Energy save button

Turns the energy efficient mode on and off.

7

Timer mode (CLOCK ADJUST) button

Selects the timer mode (OFF TIMER, ON TIMER,
WEEKLY TIMER) Set the current time.

8

Day (DAY OFF) button

Temporarily cancels of one day timer.

9

16

1718 19

Set back button

pressed select the set back timer.

10

SUMOTUWETH FR

SA

Set time button

Pessed to select the set back timer.

11

369

12 15 18 21

CASSETTE TYPE

AU45

202122

Delete button

The schedule of a weekly timer is deleted.

12

Set button

CASSETTE TYPE

AU45

Sets the date, hour, minute and on-off time.

13

Vertical air flow direction and swing button

DIMENSION

120

SUMOTUWETH FR

CLOCK ADJUST

SET BACK

DELETE SET

369

SA

12 15 18 21

DAY

DAY OFF

ENERGY

SAVE

THERMO
SENSOR

[ Unit : mm ]

17

120

Push for two seconds to change the swing mode

14

Operation lamp

Lights during operation and when the timer is on.

15

Timer and clock display

16

Operation mode display

17

Fan speed display

18

Central control display

19

Temperature display

20

Stand by display
Indicates during the oil recovery and defrosting operation.

21

Front View

Vertical swing display

22

Energy save display

SPECIFICATION

SIZE (H x W x D mm) 120 x 120 x 17

WEIGHT ( g ) 160

CABLE LENGTH ( m )

POWER ( V )

10

12

- (05 - 04) -

5-3. SPECIFICATIONS

AU 45LUAS

AO 45LJBYL

230V 50Hz

198-264V 50Hz

Upper fan : 850/850

Lower fan : 750/750

Fin Pitch

1.4

2 × 60

1.3

9.52(3/8 inc.)

15.88(5/8 inc.)

-15 to 43

-15 to 24

INDOOR

kW/kW

A

CURRENT

m3/h

INDOOR

AIR
CIRCULATION
COOL/HEAT

OUTDOOR

COOLING

FAN TYPE x Q'ty
TYPE

FAN MOTOR OUTPUT

W

COMPRESSOR
OUTDOOR

dB(A)

INDOOR

NOISE LEVEL
(SOUND
PRESSURE)

COOL/HEAT
WEIGHT

TYPE

RATED / MAX

INDOOR

OUTDOOR

POWER SOURCE

MODEL NAME

CAPACITY

RATED / MAX

AVAILABLE VOLTAGE RANGE

DRAIN PIPE
MATERIAL

SIZE

DIMENSIONS
H × W × D

MAX LENGTH

PIPE

SIZE
REMOTE CONTROLLER

NET /
GROSS

mm

OUTPUT

TYPE

REFRIGERANT OIL

REFRIGERANT
TYPE

GROSS

Coil

OUTDOOR

Coil

CASING COLOR

mm

Rows × Stages

STARTING METHOD

CONNECTION METHOD

kg(lbs)

NET

Rows × Stages

mm

INDOOR

OUTDOOR

mm

MAX HEIGHT

HEAT
EXCHANGER
TYPE

HEATING
STARTING CURRENT

MOISTURE REMOVAL

Fin

Fin

kW

INPUT POWER

OUTDOOR

EER

COP

OPERATION(OUTDOOR)

°C

FAN SPEED

COOL/HEAT

INDOOR

r.p.m

OUTDOOR

INDOOR

COOLING RATED / MAX 4.45 / 5.15

HEATING RATED / MAX 3.95 / 4.60

COOLING RATED / MAX 19.5 / 22.6

HEATING RATED / MAX 17.3 / 20.0

COOLING 2.81

HEATING 3.54

High 1700/1700

Med 1420/1420

Low 1200/1200

Quiet -

High 6600/6600

Low -

High 680/680

Med 580/580

Low 500/500

Quiet -

High

Low -

INDOOR 100

OUTDOOR 103 × 2

High 50 / 50

CASSETTE TYPE

AU45

Med 48 / 48

Low 45 / 45

Quiet -

High 54 / 55.5

Low -

CASSETTE TYPE

INVERTER HEAT PUMP TYPE

kW 12.5 / 14.0

BTU/h 42700 / 47800

kW 14.0 / 16.0

BTU/h 48000 / 56300

A 15

l/h(pints/h) 4.5(9.5)

Turbo × 1

Propeller × 2

DC SCROLL(INVERTER)

W 2500

Inverter

Copper tube

Aluminium

3 × 12

CASSETTE TYPE

AU45

Note: Specifications 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)

Coil Dimensions

252 × 970 × 39.9

Copper tube

Aluminium

Fin Pitch

Coil Dimensions

INDOOR 296 × 830 × 830

OUTDOOR 1290 × 900 × 330

INDOOR 455 × 1060 × 1025

OUTDOOR 1430 × 1050 × 445

INDOOR 40/55(88/121)

OUTDOOR 105/112(231/247)

LIQUID

GAS

CHARGE g 3400

COOLING

HEATING

m 70 (chargeless:20)

m 30

mm Outer diam eter 37.0 / Inner diameter 32.0

1260 × 900 × 36.38

White(5Y9/0.5NN)

Beige(10YR7.5/1.0NN)

FLARE

R410A

POE

WIRED

ABS

- (05 - 05) -

5-4. DIMENSIONS

5-4-1. OUTDOOR UNIT

MODEL : AO 45L

1290

Top view

900

77 31

(Unit : mm)

12330

21

9

CASSETTE TYPE

AU45

370

Drain cap
mounting places

Front view

650

Air flow

Drain cap
mounting place

4-Ø12mm hole

Bottom view

400

Side view

151

170

CASSETTE TYPE

AU45

196

99

MOUNTING POSITION

When there are
obstacles at the
back or front side.

When there are obstacles
at the back and front sides.

When there are obstacles at
the back, side(s), and top.

When there are obstacles
at the back side with the
installation of more than
one unit.

100 mm
or more

600 mm
or more

100 mm
or more

100 to 300 mm *

- (05 - 06) -

600 to 1000 mm

250 mm
or more

250

(

mm

Ser

v

ic

e

* If the space is larger than that is stated, the

condition will be the same as that there are no
obstacles.

300 mm
or more

or

m

s

or

pac

e

e)

250 mm
or more

300 mm
or more

5-4-2. INDOOR UNIT

MODEL : AU 45L

(Unit : mm)

30

296

Side view

940

750

830

940

CASSETTE TYPE

AU45

Drain Inside Dia. 32

Bottom view (Panel)

Dia. 37Outside

Side view (Standard setting)

CASSETTE TYPE

AU45

750

830

Bottom view

298.5

305.5

285

60

(Drain pipe)

248.5

120

(Small pipe)

(Large pipe)

150

250

Side view (Slender setting)

- (05 - 07) -

MOUNTING POSITION

Floor

Strong and durable ceiling

2,300 mm
or more

1,200 mm
or more

1,000 mm
or more

Obstruction

You can select 2-way setting

(A) Standard setting (B) Slender setting

CASSETTE TYPE

AU45

265 mm

300 mm

or more

100 or more 100 or more

or more

100 or more

CASSETTE TYPE

AU45

(4 directions) (3 directions)

Piping position

(2 directions) (2 directions)

100 or more

- (05 - 08) -

5-5. REFRIGERANT CIRCUIT

MODELS : AU 45L / AO 45L

CASSETTE TYPE

AU45

CASSETTE TYPE

AU45

- (05 - 09) -

5-6. WIRING DIAGRAMS

5-6-1. OUTDOOR UNIT

MODEL : AO 45L

CASSETTE TYPE

AU45

CASSETTE TYPE

AU45

- (05 - 10) -

5-6-2. INDOOR UNIT

MODEL : AU 45L

CASSETTE TYPE

AU45

CASSETTE TYPE

AU45

- (05 - 11) -

5-7. CAPACITY TABLE

( °CDB)

32°CDB

21°CWB

22°CWB

23°CWB

21°CDB

23°CDB

15°CWB

16°CWB

Outdoor temperature

Indoor temperature

26°CDB

27°CDB

29°CDB

18°CWB

19°CWB

30°CDB

Outdoor temperature

Indoor temperature

16°CDB

18°CDB

20°CDB

23°CDB

25°CDB

27°CDB

30°CDB

MODELS : AU 45L / AO 45L

COOLING

AFR 28.3

TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI

-15 10.59 9.16 2.06 11.13 9.92 2.08 12.07 11.22 2.11 12.55 11.25 2.13 13.50 11.29 2.17 13.99 11.31 2.19 14.49 12.20 2.20

-10 12.64 10.01 2.45 12.97 10.90 2.46 13.63 11.68 2.49 13.95 11.60 2.51 14.57 11.38 2.53 14.86 11.25 2.54 15.12 12.01 2.55

0 11.59 9.12 3.05 11.86 9.99 3.07 12.42 10.75 3.11 12.69 10.66 3.13 13.23 10.47 3.15 13.48 10.37 3.16 13.73 11.17 3.17

10 11.02 8.87 3.36 11.30 9.75 3.38 11.85 10.53 3.42 12.13 10.45 3.43 12.66 10.27 3.46 12.94 10.19 3.48 13.19 10.99 3.49

20 13.27 9.87 3.53 13.69 10.78 3.53 14.54 11.66 3.52 14.99 11.62 3.52 15.91 11.56 3.50 16.33 11.52 3.48 16.78 12.37 3.47

30 11.71 9.18 4.24 12.12 10.10 4.25 12.95 10.96 4.26 13.37 10.93 4.27 14.23 10.83 4.27 14.66 10.78 4.27 15.06 11.62 4.27

35 11.68 9.17 5.13 12.09 10.09 5.16 12.86 10.94 5.13 14.00 10.90 5.15 14.02 11.04 5.18 14.43 10.69 5.13 14.82 11.54 5.15

40 10.12 8.34 5.00 10.37 9.18 5.00 10.97 9.99 5.00 11.34 10.00 5.00 12.55 9.91 5.00 12.29 9.90 5.00 12.63 10.73 5.00

43 9.28 7.98 5.00 9.62 8.87 5.00 10.26 9.70 5.00 10.63 9.67 5.00 11.18 9.54 5.00 11.51 9.49 5.00 11.84 10.31 5.00

HEATING

AFR 28.3

(°CDB) (°CW B) TC PI TC PI TC PI TC PI TC PI TC PI TC PI

-15 -16 7.32 3.55 7.16 3.61 7.02 3.66 6.43 3.71 6.34 3.79 6.23 3.86 6.06 3.94

-10 -11 9.55 4.05 9.34 4.12 9.12 4.18 8.79 4.29 8.68 4.51 8.34 4.47 7.92 4.49

-4 -6 10.99 4.17 10.75 4.25 10.51 4.32 10.07 4.41 9.77 4.43 9.45 4.45 8.93 4.46

CASSETTE TYPE

AU45

AFR: Air flow rate (m3/min)

TC : Total capacity (kW)

SHC: Sensible Heat capacity (kW)

PI : Power Input (kW)

1 -1 12.66 4.41 12.33 4.42 12.00 4.45 11.42 4.45 10.98 4.42 10.63 4.44 10.03 4.44

7 6 16.57 4.60 16.07 4.60 16.00 4.60 14.96 4.60 14.36 4.60 13.71 4.60 12.86 4.44

12 10 17.48 4.60 16.96 4.60 16.42 4.60 15.73 4.60 15.07 4.40 14.53 4.44 13.59 4.20

18 13 18.28 4.40 17.90 4.60 17.34 4.40 16.53 4.40 15.98 4.20 15.37 4.20 14.34 4.00

20 15 18.01 4.20 17.53 4.20 17.15 4.20 16.36 4.20 15.66 4.00 15.12 4.00 14.17 4.00

24 17 17.50 4.00 17.01 4.00 16.62 4.00 15.82 4.00 15.11 4.00 14.61 4.00 13.62 4.00

CASSETTE TYPE

AU45

- (05 - 12) -

5-8. CAPACITY COMPENSATION FOR PIPE LENGTH

5 7.5 10 20 30 40 50 60 70

30 - - - - 0.907 0.880 0.858 0.837 0.817

20 - - - 0.940 0.907 0.880 0.858 0.837 0.817

10 - - 0.985 0.940 0.907 0.880 0.858 0.837 0.817

7.5 - 1.000 0.985 0.940 0.907 0.880 0.858 0.837 0.817

5 1.000 1.000 0.985 0.940 0.907 0.880 0.858 0.837 0.817

0 1.000 1.000 0.985 0.940 0.907 0.880 0.858 0.837 0.817

-5 0.992 0.992 0.977 0.932 0.900 0.873 0.851 0.830 0.811

-7.5 - 0.988 0.973 0.929 0.896 0.869 0.847 0.827 0.808

-10 - - 0.969 0.925 0.892 0.866 0.844 0.823 0.804

-20 - - - 0.910 0.878 0.852 0.830 0.810 0.791

-30 - - - - 0.863 0.838 0.817 0.797 0.778

PIPE LENGTH (m)

HEIGHT DIFFERENCE (m)

Outdoor unit is

bottom-side

COOLING

Outdoor unit

is up-side

5 7.5 10 20 30 40 50 60 70

30 - - - - 0.923 0.912 0.899 0.886 0.874

20 - - - 0.949 0.933 0.921 0.908 0.896 0.883

10 - - 0.980 0.958 0.942 0.931 0.917 0.905 0.892

7.5 - 0.993 0.983 0.961 0.945 0.933 0.920 0.907 0.894

5 0.995 0.995 0.985 0.963 0.947 0.936 0.922 0.909 0.896

0 1.000 1.000 0.990 0.968 0.952 0.940 0.927 0.914 0.901

-5 1.000 1.000 0.990 0.968 0.952 0.940 0.927 0.914 0.901

-7.5 - 1.000 0.990 0.968 0.952 0.940 0.927 0.914 0.901

-10 - - 0.990 0.968 0.952 0.940 0.927 0.914 0.901

-20 - - - 0.968 0.952 0.940 0.927 0.914 0.901

-30 - - - - 0.952 0.940 0.927 0.914 0.901

Outdoor unit is

bottom-side

Outdoor unit

is up-side

HEIGHT DIFFERENCE (m)

HEATING

PIPE LENGTH (m)

 AND HEIGHT DIFFERENCE

MODELS : AU 45L / AO 45L

CASSETTE TYPE

AU45

- (05 - 13) -

CASSETTE TYPE

AU45

5-9. ADDITIONAL CHARGE CALCULATION

PIPE LENGTH m

20

30 40 50 60 70 (MAX)

ADDITIONAL CHARGE g

0 (Charge less)

+400 +800 +1200 +1600 +2000

40g/m

REFRIGERANT TYPE

REFRIGERANT AMOUNT g

R410A

3400

MODELS : AU 45L / AO 45L

REFRIGERANT CHARGE

CASSETTE TYPE

AU45

CASSETTE TYPE

AU45

- (05 - 14) -

5-10. OPERATION RANGE

Indoor unit Outdoor unit Mode Indoor unit Indoor humidity Outdoor unit

Cooling

Dry

18 to 32 °C About 80% or less -15 to 43 °C

Heating 16 to 30 °C - -15 to 24 °C

Model

AO 45L

AU 45L

Operation Range

CASSETTE TYPE

AU45

CASSETTE TYPE

AU45

- (05 - 15) -

5-11. FAN PERFORMANCE AND AIR FLOW

5-11-1. AIR VELOCITY DISTRIBUTION

MODEL : AU 45L

4-WAY AIR OUTLET

(m)

3

2

1

0.5

0.25

1

2

UNIT : m/s

Note :

Condition

Fan speed : High
Operation mode :FAN

0.25

0

10.5

1

2

2

2 1 0.5 0.25

2

3

8765432

(m)

2

1

0.5

654321012345678

2

2

CASSETTE TYPE

AU45

(m)

0

0.25

87

2

2

1

UNIT : m/s

1

0.25

0.5

1012345678

UNIT : m/s

2

1

0.5

0.25

TOP VIEW
HORIZONTAL LOUVER
 : Upward

(m)

SIDE VIEW
HORIZONTAL LOUVER
 : Upward

(m)

CASSETTE TYPE

AU45

1

0

0.25

1

0.5

1

0.5

21012

2-WAY AIR OUTLET

(m)

1

0

0.25

1

87654321012345678

(m)

2

1

0.25

0

87654321012345678

0.5

1

0.25

SIDE VIEW
HORIZONTAL LOUVER
 : Downward

(m)

UNIT : m/s

210.5

2

2 1 0.5

2

1

0.5

0.25

UNIT : m/s

0.25

TOP VIEW
HORIZONTAL LOUVER
 : Upward

(m)

SIDE VIEW
HORIZONTAL LOUVER
 : Upward

(m)

- (05 - 16) -

5-11-2. AIR FLOW

m3/h

1700

m3/h

1420

m3/h

1200

LOW

680

580

500

FAN SPEED

NUMBER OF

ROTATIONS

(r.p.m)

AIR FLOW

Outdoor unit

HIGH

CFM

Lower fan

Indoor unit

HIGH

MED

3884

Upper fan

850

m3/h

6600

l/s

1833

750

MODELS : AU 45L / AO 45L

l/s 472

CFM 1000

l/s 394

CFM 836

l/s 333

CFM 706

CASSETTE TYPE

AU45

CASSETTE TYPE

AU45

- (05 - 17) -

5-11-3. DUCT CONNECTION

MODEL : AU 45L

OUTLET AIR

(mmAq)

Duct
(Inside Dia. ø100mm)

L

(Pa)

DUCT
STATIC
PRESSURE

98

49

L=5m

L=3m

L=1m

10

8

6

4

2

0

01234

(m

3

/min)

(Pa)

Duct
(Inside Dia. ø100mm)

L

CASSETTE TYPE

AU45

DUCT
STATIC
PRESSURE

98

49

L=5m

0

5

(mmAq)

10

L=3m

8

L=1m

6

4

2

CASSETTE TYPE

AU45

FRESH AIR

Duct
(Inside Dia. ø70mm)

P

Static pressure required
to take in fresh air

Duct Fan

(Pa)

DUCT
STATIC
PRESSURE

0

0 1234

(m3/min)

(mmAq)

7

58.8

6

5

39.2

4

3

19.6

2

1

0

0

0.1 0.2 0.3 0.4 0.5 0.6

0

(m3/min)

0

5

- (05 - 18) -

5-12. NOISE LEVEL CURVE

5-12-1. OUTDOOR UNIT

MODEL : AO 45L

COOLING

80

70

µbar)

60

50

40

30

Octave-band sound-pressure level dB : (0dB=0.0002

20

10

NC-65

NC-60

NC-55

NC-50

NC-45

NC-40

NC-35

NC-30

NC-25

NC-20

NC-15

HEATING

80

70

µbar)

60

50

40

30

Octave-band sound-pressure level dB : (0dB=0.0002

20

10

NC-65

NC-60

NC-55

NC-50

NC-45

NC-40

NC-35

NC-30

NC-25

NC-20

NC-15

CASSETTE TYPE

0

AU45

63 125 250 500 1,000 2,000 4,000 8,000

Octave-band limiting frequency, Hz

0

63 125 250 500 1,000 2,000 4,000 8,000

Octave-band limiting frequency, Hz

CASSETTE TYPE

AU45

- (05 - 19) -

SOUND LEVEL CHECK POINT

CASSETTE TYPE

AU45

CASSETTE TYPE

AU45

- (05 - 20) -

HIGH

LOW

HIGH

LOW

5-12-2. INDOOR UNIT

MODEL : AU 45L

COOLING

80

70

µbar)

60

50

40

30

Octave-band sound-pressure level dB : (0dB=0.0002

20

10

NC-65

NC-60

NC-55

NC-50

NC-45

NC-40

NC-35

NC-30

NC-25

NC-20

NC-15

HEATING

80

70

µbar)

60

50

40

30

Octave-band sound-pressure level dB : (0dB=0.0002

20

10

NC-65

NC-60

NC-55

NC-50

NC-45

NC-40

NC-35

NC-30

NC-25

NC-20

NC-15

CASSETTE TYPE

0

AU45

63 125 250 500 1,000 2,000 4,000 8,000

Octave-band limiting frequency, Hz

0

63 125 250 500 1,000 2,000 4,000 8,000

Octave-band limiting frequency, Hz

CASSETTE TYPE

AU45

- (05 - 21) -

SOUND LEVEL CHECK POINT

// //

CENTER

MIC

1.5m

CASSETTE TYPE

AU45

MIC

// //

CENTER

CASSETTE TYPE

AU45

- (05 - 22) -

5-13. ELECTRIC CHARACTERISTICS

Indoor unit

Outdoor unit

Voltage V

Frequency Hz

Cooling Heating

Current A 19.5 17.3

Input kW 4.45 3.95

Max Operating Current A 22.6 20.0

Starting Current A

Main Fuse (Circuit breaker)
Current

A

Power Cable

mm

2

*2)Limited wiring length m

Input kW

Full Load Amp. A

Input kW

Full Load Amp. A

Model Name

AU 45L

AO 45L

Power Supply

230

50

Rated Value

Mode

*1) Wiring Spec

30

27156.0

Indoor Fan Motor

0.23

1.35

Outdoor Fan Motor

0.067 x 2

MODELS : AU 45L / AO 45L

0.34 x 2

CASSETTE TYPE

AU45

*1) Wiring Spec : Selected Sample

(Selected based on Japan Electrotechnical Standard and Codes Committee E0005)

*2) Limited Wiring length : This is the wiring length in case voltage descent is less than 2%.

When the wiring length becomes long, please select the wiring of a more larger
diameter.

CASSETTE TYPE

AU45

- (05 - 23) -

5-14. SAFETY DEVICE

PROTECTION FORM

AO 45L

FUSE
(SIDE OF INDOOR UNIT TERMINAL)

165±5°C OFF

PRESSURE SWICH 4.2MPa

FUSE ON MAIN PCB

PROTECTION FORM

AU 45L

OUTDOOR UNIT

FAN MOTOR PROTECTION THERMAL PROTECTOR 150±5°C OFF

COMPRESSOR THERMAL PROTECTOR

HIGH PRESSURE PROTECTION

INDOOR UNIT

- 10A 250V

- 3.15A 250V

- 5A 250V

PCB FUSE - 3.15A 250V

FAN MOTOR PROTECTION THERMAL PROTECTOR 130±5°C OFF

TERMINAL FUSE THERMAL FUSE 102±2°C OFF

CASSETTE TYPE

AU45

CASSETTE TYPE

AU45

- (05 - 24) -

5-15. FUNCTION SETTING

Pump down switch

Change current capacity
No use (OFF)

1

OUTDOOR UNIT

2

3

DIP SW1

5-15-1. OUTDOOR UNIT

PUSH SW

SWITCH POSITION

Outdoor unit control circuit board

DIP SW 1

OFF ON

CASSETTE TYPE

AU45

1
2
3

PUSH SW

CASSETTE TYPE

AU45

- (05 - 25) -

18.0A

15.5A

DIP-SW1

CURRENT

(MAX.)

23.5A *1

20.0A *2

OFF

OFF

OFFONON

OFF

ON

OFF

1

OFF

ON23

OFF

OFF

5-15-2. SWITCH FUNCTION (OUTDOOR UNIT)

DIP SWITCH SETTING

Current capacity setting

*1=54000BTU model's factory setting
*2=45000BTU model's factory setting

PUSH SWITCH SETTING

SW2 setting

Press the push-button switch, and "PUMP DOWN OPERATION" is starting.

CASSETTE TYPE

AU45

CASSETTE TYPE

AU45

- (05 - 26) -

5-15-3. INDOOR UNIT

Auto restart validity/invalidity

Room temperature correct coefficient

Room temperature correct coefficient

Forbidden

Indoor unit number setting

Forbidden

Forbidden

Forbidden

SW 1

SW 4

1

2

Jumper Wire

2

3

JM1

JM2

Rotary SW

SW 2

INDOOR UNIT

DIP SW

3

1

JM3

Ceiling height setting

SWITCH POSITION

Indoor unit control circuit board

CASSETTE TYPE

AU45

CASSETTE TYPE

AU45

- (05 - 27) -

SW 1-1

SW state

OFF

Invalidity

ON

Validity

0 deg

0 deg

0 deg

cooling

-2 deg

SW 1-2

SW 1-3

0 deg

heating

dry

-2 deg

-2 degONON

ON

OFF

OFF

+2 deg

-2 deg

OFF

SW state

-2 deg

OFF

ON

0 deg

+4 deg

SW 4-1

OFF

3

OFF

-

ON

Less than 2.5

Normal

High ceiling 1

High ceiling 2

Low ceiling

-ONON

3.0-3.5

More than 3.5

-

OFF-ON

OFF

2.5-3.0

OFF

Ceiling height(m)

DIP - SW4

1

2

5-15-4. SWITCH FUNCTION (INDOOR UNIT)

DIP SWITCH SETTING

SW1-1. Auto restart setting

Auto restart function can be selected by turning this switch ON/OFF.

AUTO RESTART SETTING

( Factory setting)

SW1-2, 1-3. Room temperature correct coefficient of heating.

Decide the heating temperature correct coefficient vale of heating.

TEMPERATURE CORRECTION

( Factory setting)

CASSETTE TYPE

AU45

CASSETTE TYPE

AU45

SW4-1. Dip SW 4-1setting forbidden

( Factory setting)

SW4-2, 4-3. Ceiling height setting

( Factory setting)

If the setting for a low ceiling is selected, the capacity of the air
conditioner decreases slightly.

- (05 - 28) -

ROTARY SWITCH SETTING (SW2)

0

Single

1 - 15

Indoor unit address

SW 2

SW state

SW state

JM 1, 2, 3

Connect

Disconnect

Forbidden

This switch can be used when group control system.
Set the indoor unit address in the 0,1,-,15 order.

( Factory setting)

JUMPER WIRE SETTING

JM 1, 2, 3 setting forbidden

( Factory setting)

CASSETTE TYPE

AU45

CASSETTE TYPE

AU45

- (05 - 29) -

5-15-5. WIRED REMOTE CONTROLLER CIRCUIT BOARD

Wired remote controller

1

Dual remote controller setting

2

Group control setting

DIP SW

SWITCH POSITION

Wired remote controller

Front case (back side)

3

4

Model setting

Auto changeover setting

5
6

Memory backup setting

OFF

CASSETTE TYPE

AU45

ON

1
2
3
4

CASSETTE TYPE

5
6

AU45

ON

DIP Switch

- (05 - 30) -

5-15-6. WIRED REMOTE CONTROLLER

DIP SWITCH SETTING

1. SW setting

1-1 Dual remote controller setting

Set the remote controller DIP switch No.1 and 2 according to the following table.

( Factory setting)

Number of
remote
controller

1 (Normal)

2 (Dual)

1-2 Group control setting

Number of indoor unit connection (One/Multiple)
This is switched according to the number of connected indoor units.

DIP-SW
No.3

OFF

Master unit Slave unit

DIP-SW
No.1

DIP-SW
No.2

ON

OFF

( Factory setting)

Number of indoor unit

One unit connection

OFF

OFF

DIP-SW
No.1

ON ON

DIP-SW
No.2

ON Multiple unit connection

CASSETTE TYPE

AU45

1-3 Model setting

CASSETTE TYPE

AU45

The system type of the outdoor unit can be selected by setting up DIP switch No.4 as follows.

( Factory setting)

DIP-SW
No.4

OFF

ON Cooling only model

Heat Pump model

Model

1-4 Auto changeover setting

Selecting auto changeover validity / invalidity.

( Factory setting)

DIP-SW
No.5

OFF

ON Validity

Auto changeover

Invalidity

1-5 Memory backup setting

Set to ON to use batteries for the memory backup.if batteries are not used,
all of the settings stored in memory will be deleted if there is a power failure.

This function is wired remotecontroll only.

( Factory setting)

DIP-SW
No.6

OFF

ON Validity

Memory backup

Invalidity

- (05 - 31) -

5-16. OPTIONAL PARTS

ADDITIONAL GRILLE
UTG-AGEA-W

The additional grille hides the gap between the ceiling hole
and the outlet grille.

Additional grille (optional parts)

Additonal grille

CASSETTE TYPE

AU45

The ceiling hole

Indoor Unit(grille)

CASSETTE TYPE

AU45

- (05 - 32) -