Fujitsu ASUH18LPAS Service-Handbuch

AIR CONDITIONER

Wall mounted type

DESIGN & TECHNICAL MANUAL

INDOOR

ASUH18LPAS

ASUH24LPAS

OUTDOOR

AOUH18LPAS1

AOUH24LPAS1

DR_AS137EF_02

2022.10.11

Notices:

• Product specifications and design are subject to change without notice for future improvement.

• For further details, please check with our authorized dealer.

Trademarks

FGLair™ is trademark of Fujitsu General Limited in the United States, other countries or both.

Google Play™ is trademark of Google LLC.

App Store® is a service mark of Apple Inc., registered in the U.S. and other countries.

CONTENTS

Part 1. INDOOR UNIT...........................................................................1

1. Specifications................................................................................................2

2. Dimensions....................................................................................................4

2-1. Models: ASUH18LPAS and ASUH24LPAS ....................................................................4

3. Wiring diagrams ............................................................................................6

3-1. Models: ASUH18LPAS and ASUH24LPAS .....................................................................6

4. Capacity table................................................................................................7

4-1. Cooling capacity...............................................................................................................7

4-2. Heating capacity ..............................................................................................................9

5. Fan performance .........................................................................................10

5-1. Air velocity distributions..................................................................................................10

5-2. Airflow ............................................................................................................................12

6. Operation noise (sound pressure).............................................................14

6-1. Noise level curve............................................................................................................14

6-2. Sound level check point .................................................................................................15

7. Safety devices .............................................................................................16

8. External input and output...........................................................................17

8-1. External input.................................................................................................................18

8-2. External output...............................................................................................................20

8-3. Combination of external input and output.......................................................................22

8-4. Details of function ..........................................................................................................24

9. Group connection .......................................................................................46

10. Remote controller .......................................................................................47

10-1.Wireless remote controller ............................................................................................47

11. Function settings .......................................................................................50

11-1.Function settings by using remote controller.................................................................50

11-2.Custom code setting for wireless remote controller.......................................................59

12. Accessories.................................................................................................60

12-1.Models: ASUH18LPAS and ASUH24LPAS ..................................................................60

13. Optional parts .............................................................................................61

13-1.Controllers ....................................................................................................................61

13-2.Others ...........................................................................................................................62

Part 2. OUTDOOR UNIT.....................................................................63

1. Specifications..............................................................................................64

2. Dimensions..................................................................................................65

2-1. Models: AOUH18LPAS1 and AOUH24LPAS1 ..............................................................65

3. Installation space ........................................................................................66

3-1. Models: AOUH18LPAS1 and AOUH24LPAS1 ..............................................................66

4. Refrigerant circuit .......................................................................................69

4-1. Models: AOUH18LPAS1 and AOUH24LPAS1 ..............................................................69

5. Wiring diagrams ..........................................................................................70

5-1. Models: AOUH18LPAS1 and AOUH24LPAS1 ..............................................................70

6. Capacity compensation rate for pipe length and height difference........71

6-1. Models: AOUH18LPAS1 and AOUH24LPAS1 ..............................................................71

7. Additional charge calculation ....................................................................72

7-1. Models: AOUH18LPAS1 and AOUH24LPAS1 ..............................................................72

8. Airflow..........................................................................................................73

8-1. Model: AOUH18LPAS1..................................................................................................73

8-2. Model: AOUH24LPAS1..................................................................................................73

9. Operation noise (sound pressure).............................................................74

9-1. Noise level curve............................................................................................................74

9-2. Sound level check point .................................................................................................75

10. Electrical characteristics............................................................................76

11. Safety devices .............................................................................................77

12. Accessories.................................................................................................78

12-1.Models: AOUH18LPAS1 and AOUH24LPAS1 .............................................................78

CONTENTS (continued)

Part 1. INDOOR UNIT

WALL MOUNTED TYPE:

ASUH18LPAS

ASUH24LPAS

1. Specifications

Type

Wall mounted

Inverter heat pump

Model name ASUH18LPAS ASUH24LPAS

Power supply 208/230 V ~60 Hz

Power supply intake Outdoor unit

Available voltage range 187—253 V

Capacity

Cooling

Rated kW 5.28 7.03

Btu/h 18,000 24,000

Min.—Max. kW 1.17—5.57 1.17—7.15

Btu/h 4,000—19,000 4,000—24,400

Heating

Rated kW 5.28 7.03

Btu/h 18,000 24,000

Min.—Max. kW 0.82—7.03 0.85—8.50

Btu/h 2,800—24,000 2,900—29,000

Heating (17°F)*1

Rated kW 3.28 4.51

Btu/h 11,200 15,400

Max. kW 4.40 5.57

Btu/h 15,000 19,000

Heating (5°F)*2

Rated kW 5.3 5.71

Btu/h 18,100 19,500

Max. kW 5.55 5.71

Btu/h 18,600 19,500

Input power

Cooling Rated

1.50 2.60

Min.—Max. 0.15—1.90 0.15—3.20

Heating Rated 1.33 2.07

Min.—Max. 0.15—2.10 0.15—3.10

Heating (17°F)*1Rated 1.12 1.58

Max. 1.70 2.20

Heating (5°F)*2Rated 2.47 2.85

Max. 2.50 2.85

Current Cooling Rated A 6.7 11.4

Heating 5.9 9.1

EER2 Cooling kW/kW 3.52 2.7

Btu/hW 12.0 9.2

COP2 Heating kW/kW 3.96 3.4

Btu/hW 13.5 11.6

SEER2 Cooling Btu/hW 20.0 19.0

HSPF2 Heating Btu/hW 10.5 9.8

Power factor Cooling %97.3 99.2

Heating 98.0 98.9

Moisture removal pints/h (L/h) 4.0 (1.9) 6.3 (3.0)

Maximum operating current*3Cooling A9.9 14.4

Heating 11.9 13.9

Fan

Airflow rate

Cooling

HIGH

CFM (m3/h)

530 (900) 642 (1,090)

MED 471 (800) 471 (800)

LOW 377 (640) 377 (640)

QUIET 241 (410) 306 (520)

Heating

HIGH 506 (860) 594 (1,010)

MED 406 (690) 506 (860)

LOW 330 (560) 377 (640)

QUIET 247 (420) 306 (520)

Type × Qty Crossflow fan × 1

Motor output W 59

Sound pressure level*4

Cooling

HIGH

dB (A)

44 49

MED 42

LOW 37

QUIET 26 31

Heating

HIGH 43 47

MED 39 43

LOW 34 37

QUIET 28 32

Heat exchanger type

Dimensions (H × W × D) in (mm)

Main1: 8-1/4 × 31-5/16 × 1-1/16 (210 × 796 × 26.6)

Main2: 4-15/16 × 31-5/16 × 1-1/16 (126 × 796 × 26.6)

Sub1: 3-5/16 × 31-5/16 × 1/2 (84 × 796 × 13.3)

Fin pitch FPI

Man1: 21

Main2: 21

Sub1: 18

Rows × Stages

Main1: 2 × 10

Main2: 2 × 6

Sub1: 1 × 4

Pipe type Copper

Fin type Aluminum

Enclosure

Material Polystyrene

Color White

Approximate color of Munsell N 9.25/

Dimensions

(H × W × D)

Net in (mm) 11 × 38-9/16 × 9-7/16 (280 × 980 × 240)

Gross 12-11/16 × 42-7/16 × 13-5/8 (322 × 1,078 × 346)

Weight Net lb (kg) 29 (13)

Gross 37 (17)

Connection pipe Size Liquid in (mm) Ø1/4 (Ø6.35)

Gas Ø1/2 (Ø12.7)

Method Flare

Drain hose Material PP+HDPE

Tip diameter in (mm) Ø17/32 (Ø13.8) (I.D.), Ø5/8 to 21/32 (Ø15.8 to 16.7) (O.D.)

Operation range Cooling °F (°C) 64 to 90 (18 to 32)

%RH 80 or less

Heating °F (°C) 86 or less (30 or less)

Remote controller type Wireless (Wired, Mobile app*5 [FGLair™] [option])

- 2 - 1. Specifications

WALL MOUNTED

ASUH18-24LPAS

WALL MOUNTED

ASUH18-24LPAS

Type

Wall mounted

Inverter heat pump

Model name ASUH18LPAS ASUH24LPAS

NOTES:

• Specifications are based on the following conditions:

– Cooling: Indoor temperature of 80°FDB (26.67°CDB)/67°FWB (19.44°CWB), and outdoor temperature of 95°FDB (35°CDB)/75°FWB (23.9°CWB).

– Heating: Indoor temperature of 70°FDB (21.11°CDB)/59°FWB (15.56°CWB), and outdoor temperature of 47°FDB (8.33°CDB)/43°FWB (6.11°CWB).

– *1: Heating (17°F): Indoor temperature of 70°FDB (21.11°CDB) /60°FWB (15.56°CWB), and outdoor temperature of 17°FDB (-8.33°CDB)/15°FWB (-9.44°CWB).

– *2: Heating (5°F): Indoor temperature of 70°FDB (21.11°CDB)/60°FWB (15.56°CWB), and outdoor temperature of 5°FDB (-15.0°CDB)/4°FWB (-15.56°CWB).

– Test conditions are based on AHRI 210/240 2023.

– Pipe length: 25 ft (7.5 m), Height difference: 0 ft (0 m). (Between outdoor unit and indoor unit.)

• Protective function might work when using it outside the operation range.

• *3: Maximum current is maximum value when operated within the operation range.

• *4: Sound pressure level:

– Measured values in manufacturer’s anechoic chamber.

– Because of the surrounding sound environment, the sound levels measured in actual installation conditions might be higher than the specified values here.

• *5: Available on Google Play™ store or on App Store®. Optional WLAN Adapter is also required. For details, refer to the setting manual.

M condition

Model name ASUH18LPAS ASUH24LPAS

Capacity

Cooling

Rated kW 5.28 7.03

Btu/h 18,000 24,000

Min.—Max. kW 1.17—5.57 1.17—7.15

Btu/h 4,000—19,000 4,000—24,400

Heating

Rated kW 5.28 7.03

Btu/h 18,000 24,000

Min.—Max. kW 0.82—7.03 0.85—8.50

Btu/h 2,800—24,000 2,900—29,000

Heating (17°F)*

Rated kW 3.28 4.51

Btu/h 11,200 15,400

Max. kW 4.40 5.57

Btu/h 15,000 19,000

Input power

Cooling Rated

1.50 2.60

Min.—Max. 0.15—1.90 0.15—3.20

Heating Rated 1.33 2.07

Min.—Max. 0.15—2.10 0.15—3.10

Heating (17°F)* Rated 1.12 1.58

Max. 1.70 2.20

Current Cooling Rated A 6.7 11.4

Heating 5.9 9.1

EER Cooling kW/kW 3.52 2.70

Btu/hW 12.0 9.2

COP Heating kW/kW 3.96 3.40

Btu/hW 13.5 11.6

SEER Cooling Btu/hW 20.0 19.0

HSPF Heating Btu/hW 11.0

Power factor Cooling %97.3 99.2

Heating 98.0 98.9

NOTES:

Specifications are based on the following conditions:

• Cooling: Indoor temperature of 80°FDB (26.67°CDB)/67°FWB (19.44°CWB), and outdoor temperature of 95°FDB (35°CDB)/75°FWB (23.9°CWB).

• Heating: Indoor temperature of 70°FDB (21.11°CDB)/59°FWB (15.56°CWB), and outdoor temperature of 47°FDB (8.33°CDB)/43°FWB (6.11°CWB).

• *: Heating (17°F): Indoor temperature of 70°FDB (21.11°CDB)/60°FWB (15.56°CWB), and outdoor temperature of 17°FDB (-8.33°CDB)/15°FWB (-9.44°CWB).

• Test conditions are based on AHRI 210/240 2017.

• Pipe length: 25 ft (7.5 m), Height difference: 0 ft (0 m). (Between outdoor unit and indoor unit.)

- 3 - 1. Specifications

WALL MOUNTED

ASUH18-24LPAS

WALL MOUNTED

ASUH18-24LPAS

2. Dimensions

2-1. Models: ASUH18LPAS and ASUH24LPAS

Unit: in (mm)

38-9/16 (980) 9-7/16 (240)

11 (280)

for pipe inlet

Ø3-1/8 (80)

1-15/16 (50)

2-3/8 (60) 16-15/16 (430)

2-1/16 (52)

Outline of indoor unit

for pipe inlet

Ø3-1/8 (80)

2-13/16

(72)

16-7/16 (418)

3-9/16

(91)

15-3/4 (400) 3-9/16

(90)

16-1/4 (413)3-1/16

(77)

16-7/16 (417)

19 (482)

20-1/16 (510)

- 4 -

2-1. Models: ASUH18LPAS and ASUH24LPAS 2. Dimensions

WALL MOUNTED

ASUH18-24LPAS

WALL MOUNTED

ASUH18-24LPAS

¢Installation space requirement

Provide sufficient installation space for product safety.

Unit: in (mm)

60 (1,500) or more

71 (1,800) or more

2 (50) or more

2 (40) or more

5 (117) or more

3 (71) or more

3 (70) or more

7 (160) or more

Wall hook bracket

Outline of the indoor unit

- 5 -

2-1. Models: ASUH18LPAS and ASUH24LPAS 2. Dimensions

WALL MOUNTED

ASUH18-24LPAS

WALL MOUNTED

ASUH18-24LPAS

3. Wiring diagrams

3-1. Models: ASUH18LPAS and ASUH24LPAS

- 6 -

3-1. Models: ASUH18LPAS and ASUH24LPAS 3. Wiring diagrams

WALL MOUNTED

ASUH18-24LPAS

WALL MOUNTED

ASUH18-24LPAS

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