General AUHA18L, AUHA18LALN, AOHA18LACL, AUHA24L, AUHA24LALN Technical Manual

R410A

INDOOR UNIT

1. CASSETTE

AU A18LALN AU A24LALN

TYPE :

D2D_AU024E/03

2007.10.19

1. FEATURE

MODELS :

CASSETTE TYPE

AU A18LALN

AU A18-24L

CASSETTE TYPE

AU A18-24L

AU A24LALN

FEATURES

ENERGY SAVING

• ALL DC DESIGN

• Heat exchange efficiency increased and larger air flow by adoption of new type turbo fan

ADVANCEMENT IN COMFORT

• Quiet operation was realized by adoption of new type turbo fan

• Improvement of air stream

IMPROVEMENT IN AIRFLOW RANGE (18 TYPE)

*Wind velocity at maximum point of airflow range is 0.5m/s

Conventional type

New type

EXPANSION OF AIR OUTLET ADJUSTMENT RANGE (18 TYPE)

Auto airflow direction and auto swing Expanded air outlet range provides more comfortable space

2.5 m

3.0 m

New type

• The number of air outlet can be selected.

4-way direction 3-way direction

• High ceiling mode

Air reaches sufficiently up to 3.5m height, even it is compact cassette type.

High ceiling

3.5m

- (01 - 01) -

CASSETTE TYPE

AU A18-24L

IMPROVEMENT OF INSTALLATION & MAINTENANCE

CASSETTE TYPE

AU A18-24L

• COMPACT DESIGN

Fits the European size ceiling.

New type

18 type

18kg

590

570

590

570

24 type

19kg

• EASY MAINTENANCE

Maintenance of fan motor and fan

Maintenance of fan motor and fan can be done easily after taking off the panel, since bell-mouth can be removed easily A : Fan motor B : 2 stage turbo fan C : Bell-mouth D : Panel

Long life filter : standard equipment

A

B

C

D

Adaptation of transparent drainage parts

Grille cover

Easy check of operation of drain-up kit When you install

EASY INSTALLATION

New type

Easy setting by wireless or wired remote controller

OTHER FUNCTIONS

• SETTING THE FILTER SIGN  THE INDOOR UNIT HAS SIGN TO IMFORM THE USER THAT IT IS TIME TO CLEAN THE FILTER

• SETTING THE COOLER ROOM TEMPERATURE CORRECTION

• SETTING THE HEATER ROOM TEMPERATURE CORRECTION

• AUTO RESTART

- (01 - 02) -

2. COMBINATION

2-1. OUTDOOR UNIT

CASSETTE TYPE

AU A18-24L

MODELS : AO A18LACL AO A24LACL

2-2. REMOTE CONTROLLER

2-2-1. WIRED REMOTE CONTROLLER

MODEL : UTB- UD

CASSETTE TYPE

AU A18-24L

2-2-2. WIRELESS REMOTE CONTROLLER

MODEL : UTB- NA

2-3. DECORATION PANEL

MODEL : UTG-UF A-W

CAUTION

Remote controller and decoration panel are not supplied with the indoor unit. Separate purchase is necessary.

- (01 - 03) -

3. SPECIFICATIONS

AU A18LALN AU A24LALN

210 × 1310 × 13.3

210 × 1250 × 13.3

210 × 1375 × 13.3 210 × 1310 × 13.3 210 × 1250 × 13.3

6.35 ( 1/4 in.) 6.35 ( 1/4 in.)

12.70 ( 1/2 in.) 15.88 ( 5/8 in.)

Method

Cooling Heating

Size

Panel

Unit

Panel

Unit

Colour

Unit

Panel

Unit

Rows × Stages

Pipe type

Fin type

Material

Model name

EER

COP

Moisture removal

Copper tube

Aluminium

A

INVERTER HEATPUMP

CASSETTE MODEL

230V 50Hz

198 - 264V 50Hz

4.5 (10.0)

TypemmRated

Min-Max

Rated

Min-Max Rated

Panel

Min-Max

Power source

Available voltage range

Capacity

Cooling

Heating

Input power

Cooling

kW

Heating Rated

Min-Max

Current

Cooling

A

Heating Rated

Max

Rated

Max

kW/kW

Cooling

Heating

Liquid

Remote controller type

Drain pipe Material

Operation range

kg(lb.)

Gross

Size

mm

Weight

Net

Connection pipe

Gas

Type × Q'ty

Cooling

Enclosure

Dimensions (H × W × D)

NetmmGross

Heat exchanger type

Motor output

Fin pich

2.6 (5.7)

Turbo × 1

Sound pressure level

Cooling

dB(A)

Heating

Fan

Heating

Airflow rate

m3/h

European energy label

ABS

Outer diameter : 25.4 / Inner diameter : 19.4

WIRED or WIRELESS

PS

WHITE

245 × 570 × 570

49 × 700 × 700

265 × 730 × 625

120 × 765 × 755

CASSETTE TYPE

AU A18-24L

CASSETTE TYPE

AU A18-24L

Cooling

Heating

kW 5.2 7.1

BTU/h 17700 24200

kW 0.9 - 5.9 0.9 - 8.0

BTU/h 3100 - 20100 3100 - 27300

kW 6.0 8.0

BTU/h 20500 27300

kW 0.9 - 7.5 0.9 - 9.1

BTU/h 3100 - 25600 3100 - 31000

1.62 2.21

0.09 - 2.07 0.09 - 2.61

1.66 2.21

0.09 - 2.52 0.09 - 2.80

7.1 9.7

9.1 11.5

7.3 9.7

11.1 12.3

3.21 3.21

3.61 3.61

l/h (pints/h) 2.2 (3.9) 2.7 (4.8)

High 680 930

Med 580 830

Low 490 600

Quiet 410 450

High 800 930

Med 680 860

Low 580 700

Quiet 450 530

A

High 38 49

Med 34 44

Low 30 36

Quiet 26 30

High 43 49

Med 38 45

Low 34 40

Quiet 30 33

Dimensions (H × W × D)

W 42 42

1.20 1.45

2 × 10 3 × 10

15 (33) 17 (37)

18 (40) 20 (44)

Flare Flare

°C 18 to 32 18 to 32

%RH 80 or less 80 or less

°C 30 or less 30 or less

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) Ceiling mode : Standard

mm

- (01 - 04) -

4. DIMENSIONS

MODELS : AU A18L, AU A24L

CASSETTE TYPE

AU A18-24L

•

Decoration panel mounting state

(Unit : mm)

CASSETTE TYPE

AU A18-24L

Top view

MODEL : UTG-UF A-W

Bottom view

Side view

- (01 - 05) -

MOUNTING POSITION

Floor

CASSETTE TYPE

AU A18-24L

Strong and durable ceiling

(Unit : mm)

CASSETTE TYPE

AU A18-24L

Ceiling mode “Standard”: 2,500 - 3,000 Ceiling mode “High” : 3,000 - 3,500

(4 directions) (3 directions)

Piping position

Obstruction

100 or more

1,200 or more

1,000 or more

- (01 - 06) -

5. WIRING DIAGRAMS

MODELS : AU A18L, AU A24L

CASSETTE TYPE

AU A18-24L

CASSETTE TYPE

AU A18-24L

- (01 - 07) -

6. CAPACITY TABLE

AFR

15.5

46

25

303540

Indoor temperature

Outdoor temperature

12

15

°CDB

-1005

201015

232518

21

16

18

272932

231921

16

18

272932

231921

232518

21

Outdoor temperature

12

15

°CDB

-10052010

15

AFR

11.3

46

253035

40

Indoor temperature

6-1. COOLING CAPACITY

CASSETTE TYPE

AU A18-24L

MODEL : AU A18L

°CDB

°CWB

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

4.45 3.38 0.44 4.96 3.40 0.44 5.13 3.69 0.44 5.47 3.71 0.45 5.64 4.00 0.45 5.97 3.99 0.46 6.31 4.25 0.46

4.35 3.32 0.51 4.85 3.34 0.52 5.01 3.64 0.52 5.34 3.65 0.52 5.51 3.94 0.53 5.84 3.92 0.53 6.17 4.18 0.54

4.23 3.26 0.63 4.71 3.28 0.64 4.87 3.57 0.64 5.19 3.58 0.65 5.35 3.86 0.65 5.67 3.85 0.66 6.00 4.10 0.66

4.09 3.19 0.74 4.56 3.21 0.75 4.71 3.49 0.76 5.02 3.50 0.76 5.18 3.78 0.77 5.49 3.76 0.78 5.80 4.01 0.78

4.10 3.20 0.65 4.57 3.21 0.66 4.72 3.49 0.66 5.04 3.51 0.67 5.19 3.79 0.67 5.50 3.77 0.68 5.82 4.02 0.69

5.16 3.75 1.37 5.74 3.77 1.39 5.94 4.10 1.40 6.33 4.12 1.41 6.53 4.44 1.42 6.92 4.43 1.44 7.31 4.72 1.45

4.94 3.64 1.53 5.51 3.66 1.56 5.70 3.98 1.56 6.07 3.99 1.58 6.26 4.31 1.59 6.63 4.29 1.60 7.01 4.57 1.62

4.72 3.52 1.69 5.26 3.54 1.72 5.44 3.85 1.73 5.79 3.86 1.75 5.97 4.17 1.75 6.33 4.15 1.77 6.69 4.42 1.79

4.66 3.49 2.00 5.19 3.51 2.03 5.37 3.81 2.04 5.72 3.83 2.06 5.90 4.13 2.07 6.25 4.11 2.09 6.61 4.38 2.11

3.59 2.94 1.43 4.00 2.95 1.45 4.13 3.21 1.46 4.40 3.22 1.47 4.54 3.48 1.48 4.81 3.47 1.49 5.09 3.69 1.51

2.58 2.45 1.08 2.87 2.46 1.10 2.97 2.68 1.10 3.17 2.69 1.11 3.27 2.90 1.12 3.46 2.89 1.13 3.66 3.08 1.14

MODEL : AU A24L

CASSETTE TYPE

AU A18-24L

°CDB

°CWB

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

5.62 4.52 0.60 6.26 4.54 0.60 6.47 4.94 0.61 6.90 4.95 0.61 7.11 5.35 0.62 7.54 5.33 0.62 7.96 5.68 0.63

5.52 4.47 0.64 6.15 4.49 0.65 6.36 4.89 0.66 6.78 4.90 0.66 6.99 5.29 0.67 7.41 5.27 0.67 7.83 5.62 0.68

5.33 4.37 0.78 5.94 4.40 0.79 6.14 4.78 0.80 6.55 4.80 0.80 6.75 5.18 0.81 7.15 5.16 0.82 7.56 5.50 0.82

5.12 4.26 0.91 5.71 4.29 0.92 5.90 4.66 0.93 6.29 4.68 0.94 6.49 5.05 0.94 6.87 5.03 0.95 7.26 5.36 0.96

5.25 4.33 0.76 5.85 4.35 0.77 6.05 4.73 0.78 6.45 4.75 0.79 6.65 5.13 0.79 7.05 5.11 0.80 7.44 5.44 0.81

6.75 5.11 1.65 7.52 5.15 1.67 7.77 5.59 1.68 8.29 5.61 1.70 8.54 6.06 1.71 9.05 6.04 1.73 9.57 6.43 1.74

6.41 4.93 1.78 7.14 4.96 1.81 7.38 5.39 1.82 7.87 5.41 1.84 8.11 5.84 1.85 8.60 5.82 1.86 9.08 6.20 1.88

6.07 4.75 1.98 6.76 4.78 2.01 6.99 5.20 2.02 7.46 5.22 2.04 7.69 5.63 2.05 8.15 5.61 2.07 8.61 5.98 2.09

6.32 4.88 2.52 7.04 4.91 2.56 7.28 5.34 2.57 7.76 5.36 2.60 8.00 5.79 2.61 8.48 5.76 2.64 8.96 6.14 2.66

5.22 4.31 2.10 5.81 4.34 2.14 6.01 4.72 2.15 6.41 4.73 2.17 6.61 5.11 2.18 7.00 5.09 2.20 7.40 5.42 2.22

3.74 3.58 1.59 4.17 3.60 1.61 4.31 3.91 1.62 4.60 3.92 1.64 4.74 4.24 1.65 5.02 4.22 1.66 5.31 4.50 1.68

AFR : Air flow rate (m3/min) TC : Total capacity (kW) SHC : Sensible Heat capacity (kW) PI : Power Input (kW)

- (01 - 08) -

6-2. HEATING CAPACITY

AFR

°CDB

15.5

24

-16

-11

-7

Outdoor temperature

8510

15

1060

-2

151820

7

°CDB

°CWB

-15

3

24

-10

Indoor temperature

-5

161820

22

Indoor temperature

-5

161820

22

18

207°CDB

°CWB

-15

3

24

-10

Outdoor temperature

8510

15

10

6

0-215

AFR

°CDB

13.3

24

-16

-11

-7

CASSETTE TYPE

AU A18-24L

MODEL : AU A18L

MODEL : AU A24L

TC PI TC PI TC PI TC PI TC PI

5.01 2.50 4.89 2.55 4.77 2.60 4.65 2.65 4.53 2.71

5.76 2.61 5.62 2.67 5.49 2.72 5.35 2.77 5.21 2.83

6.49 2.73 6.34 2.79 6.18 2.85 6.03 2.90 5.87 2.96

7.35 2.80 7.18 2.86 7.00 2.92 6.83 2.98 6.65 3.04

8.04 2.79 7.85 2.84 7.66 2.90 7.47 2.96 7.28 3.02

7.87 2.42 7.69 2.47 7.50 2.52 7.31 2.57 7.12 2.62

8.12 2.43 7.92 2.48 7.73 2.53 7.54 2.58 7.34 2.63

7.79 2.13 7.61 2.17 7.42 2.22 7.23 2.26 7.05 2.31

7.17 1.64 7.00 1.67 6.83 1.71 6.66 1.74 6.49 1.77

7.39 1.65 7.21 1.68 7.03 1.71 6.86 1.75 6.68 1.78

CASSETTE TYPE

AU A18-24L

AFR: Air flow rate (m3/min) TC : Total capacity (kW) PI : Power Input (kW)

TC PI TC PI TC PI TC PI TC PI

6.15 2.84 6.01 2.90 5.86 2.96 5.72 3.01 5.57 3.07

6.92 3.03 6.75 3.09 6.59 3.15 6.42 3.22 6.26 3.28

7.64 3.02 7.45 3.08 7.27 3.14 7.09 3.20 6.91 3.27

8.59 3.00 8.38 3.06 8.18 3.12 7.97 3.18 7.77 3.25

9.54 3.02 9.31 3.08 9.09 3.14 8.86 3.20 8.63 3.27

9.55 2.69 9.33 2.74 9.10 2.80 8.87 2.86 8.64 2.91

9.87 2.69 9.63 2.75 9.40 2.80 9.16 2.86 8.93 2.92

8.97 2.07 8.76 2.12 8.54 2.16 8.33 2.20 8.11 2.25

8.23 1.63 8.03 1.66 7.84 1.69 7.64 1.73 7.45 1.76

8.52 1.62 8.32 1.66 8.12 1.69 7.92 1.73 7.71 1.76

- (01 - 09) -

7. FAN PERFORMANCE

7-1. AIR VELOCITY DISTRIBUTION

CASSETTE TYPE

AU A18-24L

MODEL : AU A18L

4-WAY AIR OUTLET

(m)

4

0.25

3

Unit : m/s

Note :

Condition

Fan speed : High Operation mode : FAN Ceiling mode : Standard

CASSETTE TYPE

AU A18-24L

2

1

0

1

0.25

0.5

1

2

0.5

1

2

1

2

1

0.5

2

0.5

0.25

3

0.25

4

4 3 2 1 0 1 2 3 4

(m)

3

Unit : m/s

TOP VIEW HORIZONTAL LOUVER  : Upward

(m)

2

1

2

1

2

0.5

1

0.25

0

4 3 2 1 0 1 2 3 4

(m)

3

2

Unit : m/s

2

1

0.25

0.5

0.25

0

4 3 2 1 0 1 2 3 4

0.25

SIDE VIEW HORIZONTAL LOUVER  : Upward

(m)

SIDE VIEW HORIZONTAL LOUVER  : Downward

(m)

- (01 - 10) -

CASSETTE TYPE

AU A18-24L

CASSETTE TYPE

AU A18-24L

3-WAY AIR OUTLET

(m)

4

0.25

3

0.5

Unit : m/s

Note :

Condition

Fan speed : High Operation mode : FAN Ceiling mode : Standard

2

1

0.25

0

0.5

1 2

1

2

0.5

1

0.25

4 3 2 1 0 1 2 3 4

(m)

3

2

1

0.5

1

0.25

2 2

Unit : m/s

1

0.5

0.25

0

4 3 2 1 0 1 2 3 4

TOP VIEW HORIZONTAL LOUVER  : Upward

(m)

SIDE VIEW HORIZONTAL LOUVER  : Upward

(m)

3

2

Unit : m/s

2

1

0.25

0.5

1

0.5

0.25

0

4 3 2 1 0 1 2 3 4

SIDE VIEW HORIZONTAL LOUVER  : Downward

(m)

- (01 - 11) -

CASSETTE TYPE

AU A18-24L

MODEL : AU A24L

CASSETTE TYPE

AU A18-24L

4-WAY AIR OUTLET

(m)

4

0.25

3

0.5

Unit : m/s

Note :

Condition

Fan speed : High Operation mode : FAN Ceiling mode : Standard

2

1

0

0.25

0.5

1

2

1

0.5

1

2

3

1

0.5

0.25

4

4 3 2 1 0 1 2 3 4

(m)

3

Unit : m/s

0.25

TOP VIEW HORIZONTAL LOUVER  : Upward

(m)

2

0.5

1

2

1

0.5

1

0.25

0

4 3 2 1 0 1 2 3 4

(m)

3

2

Unit : m/s

2

1

0.25

0.5

0.25

0

4 3 2 1 0 1 2 3 4

SIDE VIEW HORIZONTAL LOUVER  : Upward

(m)

SIDE VIEW HORIZONTAL LOUVER  : Downward

(m)

- (01 - 12) -

CASSETTE TYPE

AU A18-24L

CASSETTE TYPE

AU A18-24L

3-WAY AIR OUTLET

(m)

4

0.25

3

0.5

Unit : m/s

Note :

Condition

Fan speed : High Operation mode : FAN Ceiling mode : Standard

2

1

0.25

0

0.5

1

2

0.5

1

0.25

4 3 2 1 0 1 2 3 4

(m)

3

2

1

2

1

0.5

0.25

Unit : m/s

1

0.5

0.25

0

4 3 2 1 0 1 2 3 4

TOP VIEW HORIZONTAL LOUVER  : Upward

(m)

SIDE VIEW HORIZONTAL LOUVER  : Upward

(m)

3

2

1

0.25

0

0.5

2

1

2

1

0.5

Unit : m/s

0.25

4 3 2 1 0 1 2 3 4

SIDE VIEW HORIZONTAL LOUVER  : Downward

(m)

- (01 - 13) -

7-2. AIR FLOW

HIGH

730

MED

FAN SPEED

NUMBER OF ROTATIONS

(r.p.m)

AIR FLOW

LOW

QUIET

630

540

460

FAN SPEED

NUMBER OF ROTATIONS

(r.p.m)

AIR FLOW

HIGH

MED

LOW

QUIET

830

730

630

500

7-2-1. STANDARD CEILING MODE

CASSETTE TYPE

AU A18-24L

MODEL : AU A18L

COOLING

CASSETTE TYPE

AU A18-24L

HEATING

m3/h

l/s 189

CFM 400

m3/h

l/s 161

CFM 341

m3/h

l/s 136

CFM 288

m3/h

l/s 114

CFM 241

680

580

490

410

m3/h

l/s 222

CFM 471

m3/h

l/s 189

CFM 400

m3/h

l/s 161

CFM 341

m3/h

l/s 125

CFM 265

800

680

580

450

- (01 - 14) -

CASSETTE TYPE

FAN SPEED

NUMBER OF ROTATIONS

(r.p.m)

AIR FLOW

HIGH

MED

LOW

QUIET

960

850

650

500

FAN SPEED

NUMBER OF ROTATIONS

(r.p.m)

AIR FLOW

HIGH

MED

LOW

QUIET

960

880

740

580

AU A18-24L

MODEL : AU A24L

CASSETTE TYPE

AU A18-24L

COOLING

HEATING

m3/h

930

l/s 258

CFM 547

m3/h

830

l/s 231

CFM 488

m3/h

600

l/s 167

CFM 353

m3/h

450

l/s 125

CFM 265

m3/h

930

l/s 258

CFM 547

m3/h

860

l/s 239

CFM 506

m3/h

700

l/s 194

CFM 412

m3/h

530

l/s 147

CFM 312

- (01 - 15) -

7-2-2. HIGH CEILING MODE

FAN SPEED

NUMBER OF ROTATIONS

(r.p.m)

AIR FLOW

HIGH

MED

LOW

QUIET

830

730

640

460

FAN SPEED

NUMBER OF ROTATIONS

(r.p.m)

AIR FLOW

HIGH

MED

LOW

QUIET

930

830

730

500

CASSETTE TYPE

AU A18-24L

MODEL : AU A18L

COOLING

CASSETTE TYPE

AU A18-24L

HEATING

m3/h

l/s 222

CFM 471

m3/h

l/s 189

CFM 400

m3/h

l/s 164

CFM 347

m3/h

l/s 114

CFM 241

800

680

590

410

m3/h

l/s 250

CFM 530

m3/h

l/s 222

CFM 471

m3/h

l/s 189

CFM 400

m3/h

l/s 125

CFM 265

900

800

680

450

- (01 - 16) -

CASSETTE TYPE

FAN SPEED

NUMBER OF ROTATIONS

(r.p.m)

AIR FLOW

HIGH

1050

MED

950

LOW

QUIET

750

500

FAN SPEED

NUMBER OF ROTATIONS

(r.p.m)

AIR FLOW

HIGH

1030

MED

LOW

QUIET

980

840

580

AU A18-24L

MODEL : AU A24L

CASSETTE TYPE

AU A18-24L

COOLING

HEATING

m3/h

1030

l/s 286

CFM 606

m3/h

930

l/s 258

CFM 547

m3/h

710

l/s 197

CFM 418

m3/h

450

l/s 125

CFM 265

m3/h

1000

l/s 278

CFM 589

m3/h

960

l/s 267

CFM 565

m3/h

820

l/s 228

CFM 483

m3/h

530

l/s 147

CFM 312

- (01 - 17) -

8. OPERATION NOISE

8-1. NOISE LEVEL CURVE

CASSETTE TYPE

AU A18-24L

COOLING

MODEL : AU A18L

80

70

60

50

40

30

QUIET

20

Octave band sound pressure level, dB:(0dB=0.0002µbar)

10

HIGH

NC-65

NC-60

NC-55

NC-50

NC-45

NC-40

NC-35

NC-30

NC-25

NC-20

NC-15

MODEL : AU A24L

80

70

60

50

40

30

QUIET

20

Octave band sound pressure level, dB:(0dB=0.0002µbar)

10

Condition

Ceiling mode : Standard Air outlet : 4-way air outlet

HIGH

NC-65

NC-60

NC-55

NC-50

NC-45

NC-40

NC-35

NC-30

NC-25

NC-20

NC-15

CASSETTE TYPE

AU A18-24L

0

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

Octave band center frequency,Hz

HEATING

MODEL : AU A18L

80

70

60

50

HIGH

40

30

QUIET

20

Octave band sound pressure level, dB:(0dB=0.0002µbar)

10

NC-65

NC-60

NC-55

NC-50

NC-45

NC-40

NC-35

NC-30

NC-25

NC-20

NC-15

0

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

Octave band center frequency,Hz

MODEL : AU A24L

80

70

60

50

HIGH

40

30

20

Octave band sound pressure level, dB:(0dB=0.0002µbar)

10

QUIET

NC-65

NC-60

NC-55

NC-50

NC-45

NC-40

NC-35

NC-30

NC-25

NC-20

NC-15

0

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

Octave band center frequency,Hz

- (01 - 18) -

0

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

Octave band center frequency,Hz

8-2. SOUND LEVEL CHECK POINT

CASSETTE TYPE

AU A18-24L

Microphone

CASSETTE TYPE

AU A18-24L

Microphone

- (01 - 19) -

9. ELECTRIC CHARACTERISTICS

AU A18L AU A24L

Circuit breaker A 0.3 0.4

mm

2

1.5-2.5 1.5-2.5

*1)Wiring Spec. Power Supply

230

50

CASSETTE TYPE

AU A18-24L

Model Name

Voltage V

Frequency Hz

Max Operating Current A 0.2 0.3

Connection Cable

Limited wiring length m 26 31

*1) Wiring Spec. Selected Sample (Selected based on Japan Electrotechnical Standard and Codes Committee E0005)

CASSETTE TYPE

AU A18-24L

- (01 - 20) -

10. SAFETY DEVICE

AU A18L AU A24L

Protection form

3.15A 250V

Model

CASSETTE TYPE

AU A18-24L

Circuit protection Current fuse (PCB)

CASSETTE TYPE

AU A18-24L

Fan motor protection Thermal protection program

140±20°C OFF

110±20°C ON

- (01 - 21) -

11. OPTIONAL PARTS

CASSETTE TYPE

AU A18-24L

Exterior Summary

Parts name

Model No.

CASSETTE TYPE

AU A18-24L

Wired remote

controller

Wireless remote

controller

Decoration

panel

UTB- UD

UTB- NA

UTG-UF A-F

Unit control is performed by

wired remote controller

Unit control is performed by

wireless remote controller

Ceiling dirt by discharged wind was made difficult to cling by reviewing the shape of the

LOUVER.

- (01 - 22) -

R410A

OUTDOOR UNIT

2.

SINGLE TYPE :

AO A18LACL

AO A24LACL

D2D_AO004E/03

2007.10.12

1. SPECIFICATIONS

AO A18LACL AO A24LACL

546 × 876 × 18.2 546 × 842 × 18.2

546 × 866 × 18.2 546 × 832 × 18.2 504 × 589 × 18.2

2 × 26 1 × 24

12.70 ( 1/2 in.) 15.88( 5/8 in.)

Cooling

Heating

Dimensions (H × W × D) Charge

Type

Material

Colour

Motor output

Cooling

Heating

Fin pitch

Type

Model name

Power source

Available voltage range

°C

Operation range

Fan Airflow

rate

m3/h

dB(A)

mm mm

Weight

kg(lb.)

Dimensions ( H × W × D)

Net

Gross

Net

Gross

Refrigerant oil

Enclosure

Heat exchanger type

Rows x Stages Pipe type

Fin type

Type × Q'ty

Motor output

Type

Compressor

Refrigerant

Sound pressure level Type × Q'ty

Starting current

Cooling

Heating

m

Connection pipe

Size

mm

Liquid

Gas

Method

Max. length

Max. height difference

INVERTER HEATPUMP

230V 50Hz

198-264V 50Hz

Propeller × 1

Copper

Aluminium

Steel sheet

Beige (10YR7.5/1.0NN)

Twin Rotary × 1

1100

R410A

POE

Flare

-10 to 46

-15 to 24

648 × 910 × 380

6.35 ( 1/4 in.)

OUTDOOR UNIT

AO A18-24L

A 7.7 10.0

2000 2470

1910 2470

W 54 65

50 52

50 53

1.30 1.40

2 × 26

OUTDOOR UNIT

AO A18-24L

W

g 1250 1700

578 × 790 × 300 578 × 790 × 315

40 (88) 44 (97)

44 (97) 48 (106)

25(chargeless : 15) 30(chargeless : 15)

15 20

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)

- (02 - 01) -

2. DIMENSIONS

MODELS : AO A18L, AO A24L

OUTDOOR UNIT

AO A18-24L

Top view

(Unit : mm)

OUTDOOR UNIT

AO A18-24L

Front view

Bottom view

MOUNTING POSITION

When there are obstacles at the back or front sides.

Air flow

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

AO A18L AO A24L

Side view

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

600 - 1000

100 or more

600 or more

100 - 300

300 or more

25

(

Ser

0

or

v

mor

i

c

e

s

e

pac

e)

250 or more

If the space is larger that is stated, the condition will be the same as that are no obstacles.

- (02 - 02) -

300 or more

3. REFRIGERANT CIRCUIT

OUTDOOR UNIT

AO A18-24L

OUTDOOR UNIT

AO A18-24L

- (02 - 03) -

4. WIRING DIAGRAMS

MODELS : AO A18L, AO A24L

OUTDOOR UNIT

AO A18-24L

OUTDOOR UNIT

AO A18-24L

- (02 - 04) -

5. COEFFICIENT OF COMPENSATION FOR PIPE LENGTH  AND HEIGHT DIFFERENCE

MODEL : AO A18L

COOLING

5 7.5 10 15 20 25

15 - - -

OUTDOOR UNIT

AO A18-24L

Indoor unit is upper

than outdoor unit.

Height

difference H

(m)

Indoor unit is under

than outdoor unit

HEATING

Indoor unit is upper

than outdoor unit.

Height

difference H

(m)

Indoor unit is under

than outdoor unit

1

2

1

2

10 - -

7.5 -

5

0 1.000 1.000 0.999 0.984 0.982 0.978

-5

-7.5 -

-10 - -

-15 - - -

15 - - -

10 - -

7.5 -

5

0 0.993 1.000 0.982 0.920 0.894 0.867

-5

-7.5 -

-10 - -

-15 - - -

0.992 0.992 0.991 0.976 0.974 0.970

1.000 1.000 0.999 0.984 0.982 0.978

5 7.5 10 15 20 25

0.993 1.000 0.982 0.920 0.894 0.867

0.988 0.995 0.977 0.916 0.889 0.862

0.988 0.987 0.972 0.970 0.966

1.000 0.999 0.984 0.982 0.978

1.000 0.982 0.920 0.894 0.867

0.993 0.975 0.913 0.887 0.860

Pipe length (m)

0.953 0.950 0.947

0.983 0.968 0.966 0.962

0.999 0.984 0.982 0.978

0.984 0.982 0.978

Pipe length (m)

0.920 0.894 0.867

0.982 0.920 0.894 0.867

0.972 0.911 0.885 0.858

0.902 0.876 0.849

OUTDOOR UNIT

AO A18-24L

Indoor unit

H

Outdoor unit

Connection pipe

1

Indoor unit is upper than outdoor unit.

Height difference H

Outdoor unit

Connection pipe

2

Indoor unit is under than outdoor unit.

- (02 - 05) -

H

Indoor unit

MODEL : AO A24L

COOLING

Pipe length (m)

5 7.5 10 15 20 25 30

20

OUTDOOR UNIT

AO A18-24L

1

10

- - - - 0.963 0.961 0.959

- - 0.984 0.981 0.979 0.977 0.975

OUTDOOR UNIT

AO A18-24L

Indoor unit is upper

- 0.988 0.988 0.985 0.983 0.981 0.979

0.992 0.992 0.992 0.989 0.987 0.985 0.983

1.000 1.000 1.000 0.997 0.995 0.993 0.991

- 1.000 1.000 0.997 0.995 0.993 0.991

- - 1.000 0.997 0.995 0.993 0.991

- - - - 0.995 0.993 0.991

Height

difference H

(m)

than outdoor unit.

2

Indoor unit is under

than outdoor unit

7.5

5

0

-5

-7.5

-10

-20

Pipe length (m)

HEATING

5 7.5 10 15 20 25 30

20 - - - -

1

10 - -

0.992 0.952 0.927 0.893 0.863

0.927 0.893 0.863

Indoor unit is upper

Height

difference H

(m)

than outdoor unit.

2

7.5 -

5

1.001 1.000 0.992 0.952 0.927 0.893 0.863

0 1.001 1.000 0.992 0.952 0.927 0.893 0.863

-5

0.996 0.995 0.987 0.947 0.922 0.888 0.859

-7.5 -

1.000 0.992 0.952 0.927 0.893 0.863

0.993 0.984 0.945 0.920 0.886 0.857

Indoor unit is under

than outdoor unit

-10 - -

-20 - - - -

0.982 0.943 0.917 0.884 0.855

0.908 0.875 0.846

Indoor unit

H

Outdoor unit

Connection pipe

1

Indoor unit is upper than outdoor unit.

Height difference H

Outdoor unit

Connection pipe

2

Indoor unit is under than outdoor unit.

- (02 - 06) -

H

Indoor unit

6. ADDITIONAL CHARGE CALCULATION

20g/m

1700

R410A

1250

20g/m

R410A

MODEL : AO A18L

Refrigerant type

Refrigerant amount g

OUTDOOR UNIT

AO A18-24L

REFRIGERANT CHARGE

Pipe length m 15 20 25

Additional charge g 0 (Chargeless) +100 +200

OUTDOOR UNIT

AO A18-24L

MODEL : AO A24L

Refrigerant type

Refrigerant amount g

REFRIGERANT CHARGE

Pipe length m 15 20 25 30

Additional charge g 0 (Chargeless) +100 +200 +300

- (02 - 07) -

7. AIR FLOW

m3/h

2000

m3/h

1910

m3/h

2470

m3/h

2470

1050

NUMBER OF

ROTATIONS

(r.p.m)

NUMBER OF

ROTATIONS

(r.p.m)

NUMBER OF

ROTATIONS

(r.p.m)

NUMBER OF

ROTATIONS

(r.p.m)

860

820

1050

Airflow

MODEL : AO A18L

COOLING

OUTDOOR UNIT

AO A18-24L

HEATING

l/s 556

CFM 1177

OUTDOOR UNIT

AO A18-24L

l/s 531

CFM 1124

MODEL : AO A24L

COOLING

l/s 686

CFM 1454

HEATING

l/s 686

CFM 1454

- (02 - 08) -

8. OPERATION NOISE

8-1. NOISE LEVEL CURVE

COOLING

MODEL : AO A18L

80

70

OUTDOOR UNIT

AO A18-24L

60

50

40

30

20

Octave band sound pressure level, dB:(0dB=0.0002µbar)

10

0

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

Octave band center frequency,Hz

NC-65

NC-60

NC-55

NC-50

NC-45

NC-40

NC-35

NC-30

NC-25

NC-20

NC-15

MODEL : AO A24L

80

70

60

50

40

30

20

Octave band sound pressure level, dB:(0dB=0.0002µbar)

10

0

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

Octave band center frequency,Hz

NC-65

NC-60

NC-55

NC-50

NC-45

NC-40

NC-35

NC-30

NC-25

NC-20

NC-15

OUTDOOR UNIT

AO A18-24L

HEATING

MODEL : AO A18L

80

70

60

50

40

30

20

Octave band sound pressure level, dB:(0dB=0.0002µbar)

10

NC-65

NC-60

NC-55

NC-50

NC-45

NC-40

NC-35

NC-30

NC-25

NC-20

NC-15

MODEL : AO A24L

80

70

60

50

40

30

20

Octave band sound pressure level, dB:(0dB=0.0002µbar)

10

NC-65

NC-60

NC-55

NC-50

NC-45

NC-40

NC-35

NC-30

NC-25

NC-20

NC-15

0

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

Octave band center frequency,Hz

- (02 - 09) -

0

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

Octave band center frequency,Hz

8-2. SOUND LEVEL CHECK POINT

OUTDOOR UNIT

AO A18-24L

OUTDOOR UNIT

AO A18-24L

- (02 - 10) -

9. ELECTRIC CHARACTERISTICS

Model Name AO A18L AO A24L

Voltage V

230

Power Supply

Frequency Hz

50

Max Operating Current A 15.0 16.2

OUTDOOR UNIT

AO A18-24L

Starting Current A 7.7 10.0

*1) Wiring Spec.

Main Fuse (Circuit breaker) Current

Power Cable

A 20 20

mm

2

3.5 - 4.5

OUTDOOR UNIT

AO A18-24L

*2)Limited wiring length m 24 22

*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.

- (02 - 11) -

10. SAFETY DEVICES

AO A18L AO A24L

OFF:100

+15

-10

°C

ON:95

+15

-10

°C

OFF:110

+15

-10

°C

ON:105

+15

-10

°C

15A 250V

3.15A 250V

Compressor protection

Circuit protection

OFF:110°C

ON: After 40 minutes

OFF:110°C

ON: After 7 minutes

Current fuse (NEAR THE TERMINAL)

Current fuse

(MAIN PRINTED CIRCUIT BOARD)

Protection form

20A 250V

5A 250V

Model

OUTDOOR UNIT

AO A18-24L

Fan motor protection Thermal protection program

Thermal protection program (COMPRESSOR TEMP.)

Thermal protection program (DISCHARGE TEMP.)

OUTDOOR UNIT

AO A18-24L

- (02 - 12) -

REMOTE CONTROLLER

3. WIRED REMOTE CONTROLLER

UTB - UD

:

D2D_RC001E/02

2007.09.03

REMOTE CONTROLLER UTB- UD

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

Setting of the air conditioner selection function is performed by remote controller.

High performance and compact size

REMOTE CONTROLLER UTB- UD

Three functions are combined in one unit.

Wired

remote

controller

Built-in timers

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

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

Easy-to-understand time bar display

SUMOTUWETH FR SA

7

3126 9

15 18 21

24°C

24°C 28°C 24°C

Weekly

timer

Setback

timer

Setback timerWeekly timer

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

SUMOTUWETH FR SA

Screen after setup

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

0 3 6 9 12 15 18 21 Time

24°C

0 3 6 9 12 15 18 21 Time

28°C

3126 9

15 18 21

28°C

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

- (03 - 01) -

JIS box

REMOTE CONTROLLER UTB- UD

FUNCTIONS

2 6 7 8 9

10

11

Display panel

16

19

20

18

17

15

13

12

14

1

START/STOP button

Pressed to start and stop operation.

2

Set temperature button

Selects the setting temperature.

3

Master control button

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

4

1 3

4

5

Fan control button

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

5

Economy button

Turns the economy efficient mode on and off.

6

Timer mode (CLOCK ADJUST) button

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

7

Day (DAY OFF) button

Temporarily cancels of one day timer.

8

Set back button

Pressed to select the set back timer.

9

Set time button

Pressed to set time.

10

Delete button

The schedule of a weekly timer is deleted.

11

Set button

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

12

Vertical airflow direction and swing button

Push for two seconds to change the swing mode.

13

Horizontal airflow direction and swing button

Push for two seconds to change the swing mode.

REMOTE CONTROLLER UTB- UD

DIMENSION

120

Front View

SPECIFICATION

21

[ Unit : mm ]

120

14

Filter 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

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

WEIGHT ( g ) 160

CABLE LENGTH ( m )

POWER ( V )

10

12

- (03 - 02) -

REMOTE CONTROLLER

4. WIRELESS REMOTE CONTROLLER

UTB - NA

:

D2D_RC002E/01

2006.09.22

REMOTE CONTROLLER UTB- NA

1 2

FEATURES

Four kinds of timer setup (ON / OFF / PROGRAM / SLEEP) are possible.

Four kinds of timers. Easy operation.

Easy to change transmission code (4 patterns) by button operation.

Simple function setting

Setting of the air conditioner selection function is performed by remote controller.

Built-in timers

Select from four different timer programs (On/Off/Program/Sleep).

Program timer

The program timer operates the ON and OFF timer once within a 24 hour period.

REMOTE CONTROLLER UTB- NA

Sleep timer

The sleep timer function automatically corrects the temperature thermostat setting according to the time setting to prevent excessive cooling and heating while sleeping.

Cooling operation/dry operation

When the sleep timer is set, the set temperature automatically rises 1 °C every hour. The set temperature can rise up to a maximum of 2 °C.

Timer setting

60min.

1 °C

2 °C

Heating operation

When the sleep timer is set, the set temperature automatically drops 1 °C every 30 minutes. The set temperature can drop to a maximum of 4 °C.

1 °C

2 °C

3 °C

4 °C

30min.

60min.

90min.

Timer setting

Simultaneously operation

After code change

Mixed-up

• Code selector switch eliminates unit being wrongly switched. (Up to 4 codes can be set.)

A B C D

A B

C

D

•Wide and precise transmitting range.

1. Press the MODE button for more than five seconds to start the code change.

2. Press the or button to select the desired code.

A B C D

3. Press the MODE button again to end the code change.

- (04 - 01) -

REMOTE CONTROLLER UTB- NA

FUNCTIONS

1

3

2

4

5

11

13

16

10

14

12

15

1

MODE button

Selects the operating mode (AUTO, HEAT, FAN, COOL, DRY). /Start / end R.C. custom code change. (Max 4 types)

2

Economy button

3

Set temp. button ( / )

Set remote controller custom code buttons

Sets the indoor temp./ Sets R.C. custom code.

4

Filter reset button

5

Sleep button

Pressed to select sleep timer.

6

7

8

9

Fan button

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

7

START/STOP button

Pressed to start and stop operation.

8

Set button (Vertical)

Air flow direction vertical set button.

9

Set button (Horizontal)

Air flow direction horizontal set button.

10

Swing button

Air flow direction swing button.

11

Timer mode button

Pressed to select the timer mode. (OFF TIMER, ON TIMER, PROGRAM TIMER, TIMER RESET)

REMOTE CONTROLLER UTB- NA

Display panel

17

18

19

20

21

22

23

24

25

12

Timer set ( / ) button

Sets the current time and on-off time.

13

Clock adjust button

Sets the current time.

14

Reset button

Used when replacing batteries.

15

Test run button

Used when testing the air conditioner after installation.

16

Signal transmitter

17

Temperature set display

18

Economy display

19

Operating mode display

20

Sleep display

21

Transmit indicator

22

Fan speed display

23

Swing display

24

Timer mode display

25

Clock display

SPECIFICATION

SIZE (H x W x D mm) 170 x 56 x 19

WEIGHT ( g ) 80

ACCESSORY Holder

- (04 - 02) -