Fujitsu ACUH09LUAS1 Bedienungsanleitung

AIR CONDITIONER

Cassette type

SERVICE MANUAL

INDOOR

ACUH09LUAS1

ACUH12LUAS1

ACUH18LUAS1

OUTDOOR

AOUH09LUAS1 AOUH12LUAS1

AOUH18LUAS1

SR_AU021EF_02

2021.04.26

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 Inc.

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

CONTENTS

1. GENERAL INFORMATION

2. TECHNICAL DATA AND PARTS LIST

3. TROUBLESHOOTING

4. CONTROL AND FUNCTIONS

5. FILED WORKING

1. GENERAL INFORMATION

2021.04.02

SR_CH01_AU021EF_01

CONTENTS

1. GENERAL INFORMATION

1. Specifications..............................................................................................01-1

1-1. Indoor unit ......................................................................................................................01-1

1-2. Outdoor unit....................................................................................................................01-3

2. Dimensions..................................................................................................01-4

2-1. Indoor unit ......................................................................................................................01-4

2-2. Outdoor unit....................................................................................................................01-6

1. Specifications

1-1. Indoor unit

Type Cassette

Inverter heat pump

Model name ACUH09LUAS1 ACUH12LUAS1 ACUH18LUAS1

Power supply 208/230 V ~ 60 Hz

Available voltage range 187—253 V

Capacity

Cooling Cooling

Rated k→ 2.64 3.52 5.02

Btu/h 9,000 12,000 17,100

Min.—Max. k→ 0.90—3.20 0.90—4.00 0.90—5.90

Btu/h 3,100—11,000 3,100—13,600 3,100—20,100

Heating

47 °FDB

(Outdoor temp.)

Rated k→ 3.52 4.69 6.33

Btu/h 12,000 16,000 21,600

Min.—Max. k→ 0.90—4.70 0.90—5.70 0.90—7.00

Btu/h 3,100—16,000 3,100—19,400 3,100—23,900

17 °FDB

(Outdoor temp.)

Rated k→ 2.17 3.08 4.22

Btu/h 7,400 10,500 14,400

Max. k→ 3.08 4.98 5.75

Btu/h 10,500 17,000 19,600

Input power

Cooling Cooling Rated

k→

0.66 0.94 1.37

Max. 1.05 2.06 2.35

Heating

47 °FDB

(Outdoor temp.)

Rated 0.93 1.44 1.81

Max. 1.72 1.79 2.57

17 °FDB

(Outdoor temp.)

Rated 0.78 1.07 1.49

Max. 1.42 2.01 2.56

Current Cooling Rated A 3.3 4.2 6.1

Heating 4.6 6.4 8.1

EER Cooling k→/k→ 4.00 3.74 3.66

Btu/h→ 13.6 12.8 12.5

COP Heating k→/k→ 3.78 3.25 3.50

Btu/h→ 12.9 11.1 11.9

SEER Cooling Btu/h→ 22.5 22.1 20.8

HSPF Heating Btu/h→ 12.5 12.2 11.6

Power factor Cooling %87.0 97.3 97.6

Heating 86.0 97.8 97.2

Moisture removal pints/h (L/h) 1.3 (0.6) 2.5 (1.2) 4.6 (2.2)

Maximum operating current *1Cooling A6.8 9.8 11.8

Heating 9.3 11.3 14.8

Fan

Airflow rate

Cooling

HIGH

CFM (m3/h)

318 (540) 359 (610) 435 (740)

MED 288 (490) 312 (530) 341 (580)

LO→ 259 (440) 276 (470) 288(490)

QUIET 230 (390) 241 (410)

Heating

HIGH 318 (540) 359 (610) 435 (740)

MED 288 (490) 312 (530) 341 (580)

LO→ 259 (440) 276 (470) 288 (490)

QUIET 230 (390) 241 (410)

Type × Q'ty Turbo × 1

Motor output → 54

Sound pressure level *2

Cooling

HIGH

dB (A)

33 37 42

MED 32 33 36

LO→ 29 31 32

QUIET 28

Heating

HIGH 34 37 44

MED 32 33 40

LO→ 29 31 36

QUIET 27 28 30

Heat exchanger type

Dimensions (H × → × D) in (mm)

Main 1: 8-4/16 × 51-9/16 × 1/2

(210 × 1,310 × 13.3)

Main 2: 8-4/16 × 49-3/16 × 1/2

(210 × 1,250 × 13.3)

Fin pitch FPI Main 1: 1.2

Main 2: 1.2

Rows × Stages Main 1: 1 × 10

Main 2: 1 × 10

Pipe type Copper tube

Fin type Aluminum

Dimensions

(H × → × D)

Net in (mm) 9-5/8 × 22-7/16 × 22-7/16 (245 × 570 × 570)

Gross 10-7/16 × 28-3/4 × 24-5/8 (265 × 730 × 625)

→eight Net lb (kg) 33 (15)

Gross 40 (18) 42 (19)

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

Gas Ø3/8 (Ø9.52) Ø1/2 (Ø12.70)

Method Flare

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

%RH 80 or less

Heating °F (°C) 60 to 86 (16 to 30)

Drain hose

Material HARD PVC

Size in (mm) Ø3/4 (Ø20.7) [I.D.]

Ø1-1/16 (Ø26.6) [O.D.]

Cassette grille

(Grid type: Option)

Model name UTG-CCGFGA

Material PS

Color →hite

Approximate color of Munsell 9PB 9.1/0.2

Dimensions

(H × → × D)

Net in (mm) 1-15/16 × 24-7/16 × 24-7/16 (49 × 620 × 620)

Gross 4-3/4 × 30-1/8 × 29-3/4 (120 × 765 × 755)

→eight Net lb (kg) 5.1 (2.3)

Gross 10 (4.5)

1-1. Indoor unit - (01-1) - 1. Specifications

GENERAL

INFORMATION

GENERAL

INFORMATION

Type Cassette

Inverter heat pump

Model name ACUH09LUAS1 ACUH12LUAS1 ACUH18LUAS1

NOTES:

• Specifications are based on the following conditions:

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

– Heating: Indoor temperature of 70 °FDB (21.11 °CDB) /59 °F→B (15 °C→B), and outdoor temperature of 47 °FDB (8.33 °CDB) /43 °F→B (6.11 °C→B).

– Pipe length: 24 ft 6 in (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.

• *1: Maximum operating current is the total current of the indoor unit and the outdoor unit.

• *2: 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.

• *3: Available on Google Play™ store or on App Store®. Optional →LAN adapter is also required. For details, refer to the setting manual.

1-1. Indoor unit - (01-2) - 1. Specifications

GENERAL

INFORMATION

GENERAL

INFORMATION

1-2. Outdoor unit

Type Inverter heat pump

Model name AOUH09LUAS1 AOUH12LUAS1 AOUH18LUAS1

Power supply 208/230 V ~ 60 Hz

Power supply intake Outdoor unit

Available voltage range 187—253 V

Starting current A 4.6 6.4 8.1

Fan

Airflow rate Cooling CFM (m3/h) 906 (1,540) 1,171 (1,990) 1,395 (2,370)

Heating 1,089 (1,850) 1,460 (2,480)

Type × Q'ty Propeller fan × 1

Motor output → 23 49

Sound pressure level *1 Cooling dB (A) 44 48 52

Heating 48 49 55

Heat exchanger type

Dimensions

(H × → × D) in (mm)

Main1: 19-13/16 × 34-11/16 ×

11/16

(504 × 881 × 18.19)

Main2: 19-13/16 × 33-1/2 ×

11/16

(504 × 851 × 18.19)

Main1: 23-1/8 × 34-11/16 × 11/16

(588 × 881 × 18.19)

Main2: 23-1/8 × 33-1/2 × 11/16

(588 × 851 × 18.19)

Fin pitch FPI 20

Rows × Stages Main1: 1 × 24

Main2: 1 × 24

Main1: 1 × 28

Main2: 1 × 28

Pipe type Copper

Fin type Type (Material) Aluminum

Surface treatment PC fin

Compressor Type DC rotary × 1 DC twin rotary × 1

Motor output → 900 1,030

Refrigerant

Type R410A

Charge lb oz 2lbs.3oz. 2lbs.10oz. 2lbs.12oz.

g 1,000 1,200 1,250

Refrigerant oil Type RB68

Amount in3 (cm3)20.7 (340) 24.4 (400)

Enclosure

Material Steel sheet

Color Beige

Approximate color of Munsell 10↔R 7.5/1.0

Dimensions

(H × → × D)

Net

in (mm)

21-5/16 × 31-7/16 × 11-7/16

(542 × 799 × 290)

24-7/8 × 31-7/16 × 11-7/16

(632 × 799 × 290)

Gross 23-11/16 × 37 × 14-3/4

(602 × 940 × 375)

27-1/4 × 37 × 14-3/4

(692 × 940 × 375)

→eight Net lb (kg) 70 (32) 84 (38) 86 (39)

Gross 77 (35) 95 (43)

Connection pipe

Size Liquid in (mm) Ø 1/4 (Ø 6.35)

Gas Ø 3/8 (Ø 9.52) Ø 1/2 (Ø 12.7)

Method Flare

Pre-charge length

ft (m)

49 (15) 66 (20)

Max. length 66 (20) 98 (30)

Max. height difference 49 (15)

Operation range Cooling °F (°C) 14 to 115 (-10 to 46)

Heating -5 to 75 (-21 to 24)

Drain hose Material PP

Tip diameter in (mm) Ø 1/2 (Ø 13.0) (I. D.), Ø 5/8 to 11/16 (Ø 16.0 to 16.8) (O. D.)

NOTES:

• Specifications are based on the following conditions:

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

– Heating: Indoor temperature of 70 °FDB (21.11 °CDB) / 59 °F→B (15 °C→B), and outdoor temperature of 47 °FDB (8.33 °CDB) / 43 °F→B (6.11 °C→B).

– Pipe length: 24 ft 6 in (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.

• *1: 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.

1-2. Outdoor unit - (01-3) - 1. Specifications

GENERAL

INFORMATION

GENERAL

INFORMATION

2. Dimensions

2-1. Indoor unit

¢Models: ACUH09LUAS1, ACUH12LUAS1, and ACUH18LUAS1

Unit: in (mm)

Ceiling

View A

22-7/16 (570): Indoor unit

Hanging bolt position

a: Ceiling openings

20-7/8 (530)

Hanging bolt position

Drain hose

4-7/8 (124)

Control Box

24-7/16 (620)

IR receiver

Grid type grille

View B View C

20-7/8

(530)

2-15/16

(75)

14-9/16

(370)

21-1/4 (540)

11-1/4

(285)

11-1/4

(285)

4-1/2 (114)

10-5/16

(262)

9-5/8

(245)

5-13/16

(146)

1-9/16

(40)

(102)

5-5/16

(135)

9-13/16

(250)

1-3/5

(40)

3-7/8

(99)

1-3/16

(30)

1-3/16 (30)

2-5/16 (58) 4-1/8

(108)

a: Ceiling openings

Cassette grille (Option [Grid type]) in (mm) 22-13/16 to 24 (580 to 610)

2-1. Indoor unit - (01-4) - 2. Dimensions

GENERAL

INFORMATION

GENERAL

INFORMATION

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