Fujitsu ADUH09LUAS1 Service manual

AIR CONDITIONER
Duct type
DESIGN & TECHNICAL MANUAL
INDOOR
ADUH09LUAS1
ADUH12LUAS1
ADUH18LUAS1
OUTDOOR
AOUH09LUAS1 AOUH12LUAS1
AOUH18LUAS1
DR_AR055EF_02
2021.06.30

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.
Copyright © 2021 Fujitsu General Limited. All rights reserved.

CONTENTS
Part 1. INDOOR UNIT...........................................................................1
1. Specifications................................................................................................2
2. Dimensions....................................................................................................4
2-1. Models: ADUH09LUAS1 and ADUH12LUAS1 ................................................................4
2-2. Model: ADUH18LUAS1....................................................................................................5
2-3. Installation space requirement .........................................................................................6
2-4. Maintenance space requirement......................................................................................7
3. Wiring diagrams ............................................................................................8
3-1. Models: ADUH09LUAS1, ADUH12LUAS1, and ADUH18LUAS1 ....................................8
4. Capacity table................................................................................................9
4-1. Cooling capacity...............................................................................................................9
4-2. Heating capacity ............................................................................................................11
5. Fan performance .........................................................................................13
5-1. Air velocity and temperature distributions ......................................................................13
5-2. Fan performance curve..................................................................................................19
5-3. Airflow ............................................................................................................................25
6. Operation noise (sound pressure).............................................................28
6-1. Noise level curve............................................................................................................28
6-2. Sound level check point .................................................................................................30
7. Safety devices .............................................................................................31
8. External input and output...........................................................................32
8-1. External input.................................................................................................................32
8-2. External output...............................................................................................................34
8-3. Combination of external input and output.......................................................................36
8-4. Details of function ..........................................................................................................39
9. Function settings .......................................................................................64
9-1. Function settings on indoor unit .....................................................................................64
9-2. Function settings by using remote controller..................................................................66
10. Accessories.................................................................................................74
10-1.Models: ADUH09LUAS1, ADUH12LUAS1, and ADUH18LUAS1 .................................74
11. Optional parts .............................................................................................75
11-1.Controllers ....................................................................................................................75
11-2.Others ...........................................................................................................................76

Part 2. OUTDOOR UNIT.....................................................................79
1. Specifications..............................................................................................80
2. Dimensions..................................................................................................81
2-1. Models: AOUH09LUAS1................................................................................................81
2-2. Models: AOUH12LUAS1 and AOUH18LUAS1 ..............................................................82
3. Installation space ........................................................................................83
3-1. Models: AOUH09LUAS1, AOUH12LUAS1, and AOUH18LUAS1 .................................83
4. Refrigerant circuit .......................................................................................86
4-1. Models: AOUH09LUAS1................................................................................................86
4-2. Models: AOUH12LUAS1 and AOUH18LUAS1 ..............................................................87
5. Wiring diagrams ..........................................................................................88
5-1. Model: AOUH09LUAS1 .................................................................................................88
5-2. Models: AOUH12LUAS1 and AOUH18LUAS1 ..............................................................89
6. Capacity compensation rate for pipe length and height difference........90
6-1. Model: AOUH09LUAS1 .................................................................................................90
6-2. Model: AOUH12LUAS1 .................................................................................................91
6-3. Model: AOUH18LUAS1 .................................................................................................92
7. Additional charge calculation ....................................................................93
7-1. Model: AOUH09LUAS1 .................................................................................................93
7-2. Model: AOUH12LUAS1 .................................................................................................93
7-3. Model: AOUH18LUAS1 .................................................................................................93
8. Airflow..........................................................................................................94
8-1. Model: AOUH09LUAS1 .................................................................................................94
8-2. Model: AOUH12LUAS1 .................................................................................................94
8-3. Model: AOUH18LUAS1 .................................................................................................95
9. Operation noise (sound pressure).............................................................96
9-1. Noise level curve............................................................................................................96
9-2. Sound level check point .................................................................................................97
10. Electrical characteristics............................................................................98
11. Safety devices .............................................................................................99
12. Accessories...............................................................................................100
12-1.Models: AOUH09LUAS1, AOUH12LUAS1, and AOUH18LUAS1 ..............................100
CONTENTS (continued)

Part 1. INDOOR UNIT
DUCT TYPE:
ADUH09LUAS1
ADUH12LUAS1
ADUH18LUAS1

1. Specifications
Type
Duct
Inverter heat pump
Model name ADUH09LUAS1 ADUH12LUAS1 ADUH18LUAS1
Power supply 208/230 V ~ 60 Hz
Available voltage range 187—253 V
Capacity
Cooling
Rated kW 2.64 3.52 5.02
Btu/h 9,000 12,000 17,100
Min.—Max. kW 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 kW 3.52 4.69 6.33
Btu/h 12,000 16,000 21,600
Min.—Max. kW 0.90—4.70 0.90—5.70 0.90—7.50
Btu/h 3,100—16,000 3,100—19,400 3,100—25,600
17 °FDB
(Outdoor temp.)
Rated kW 2.17 3.08 4.22
Btu/h 7,400 10,500 14,400
Max. kW 3.08 4.98 5.75
Btu/h 10,500 17,000 19,600
Input power
Cooling Rated
kW
0.66 0.94 1.37
Max. 1.05 2.06 2.05
Heating
47 °FDB
(Outdoor temp.)
Rated 0.89 1.30 1.71
Max. 1.89 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 4.5 5.8 7.6
EER Cooling kW/kW 4.00 3.74 3.66
Btu/hW 13.6 12.8 12.5
COP Heating kW/kW 3.96 3.60 3.70
Btu/hW 13.5 12.3 12.6
SEER Cooling Btu/hW 20.0 20.2 20.2
HSPF Heating Btu/hW 11.7 11.5 11.4
Power factor Cooling %87.0 97.3 97.6
Heating 86.0 97.5 97.8
Moisture removal pints/h (L/h) 1.5 (0.7) 2.7 (1.3) 4.2 (2.0)
Maximum operating current *1 Cooling A6.8 9.8 11.8
Heating 9.3 11.3 14.8
Fan
Airflow rate
Cooling
HIGH
CFM (m3/h)
353 (600) 383 (650) 553 (940)
MED 324 (550) 353 (600) 518 (880)
LOW 294 (500) 324 (550) 482 (820)
QUIET 265 (450) 283 (480) 441 (750)
Heating
HIGH 353 (600) 383 (650) 553 (940)
MED 324 (550) 353 (600) 518 (880)
LOW 294 (500) 324 (550) 482 (820)
QUIET 265 (450) 283 (480) 441 (750)
Type × Q'ty Sirocco × 2 Sirocco × 3
Motor output W 81
Recommended static pressure inWG (Pa) 0 to 0.36 (0 to 90)
Sound pressure level *2
Cooling
HIGH
dB (A)
28 29 32
MED 27 28 30
LOW 26 27 29
QUIET 25 26 27
Heating
HIGH 28 29 32
MED 26 28 30
LOW 25 27 29
QUIET 24 24 27
Heat exchanger type
Dimensions (H × W × D) in (mm) 294 × 500 × 39.9 294 × 700 × 39.9
Fin pitch FPI 1.3
Rows × Stages 3 × 14
Pipe type Copper tube
Fin type Aluminum
Enclosure Material Steel sheet
Color —
Dimensions
(H × W × D)
Net
in (mm)
7-13/16 × 27-9/16 × 24-7/16
(198 × 700 × 620)
7-13/16 × 35-7/16 × 24-7/16
(198 × 900 × 620)
Gross 10-7/8 × 38-1/8 × 30-3/8
(276 × 968 × 772)
10-7/8 × 46 × 30-3/8
(276 × 1,168 × 772)
Weight Net lb (kg) 37 (17) 44 (20)
Gross 49 (22) 57 (26)
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.]
- 2 - 1. Specifications
DUCT TYPE ADUH09-18LUAS1 DUCT TYPE ADUH09-18LUAS1

Type
Duct
Inverter heat pump
Model name ADUH09LUAS1 ADUH12LUAS1 ADUH18LUAS1
NOTES:
• Specifications are based on the following conditions:
– Cooling: Indoor temperature of 80 °FDB/67 °FWB(26.67 °CDB/19.44 °CWB), and outdoor temperature of 95 °FDB/75 °FWB (35 °CDB/23.9 °CWB).
– Heating: Indoor temperature of 70 °FDB/59 °FWB (21.11 °CDB/15 °CWB), and outdoor temperature of 47 °FDB /43 °FWB (8.33 °CDB/6.11°CWB).
– Standard static pressure: 0.10 inWG (25 Pa)
– Pipe length: 24 ft 7 in (7.5 m), Height difference: 0 m. (Between outdoor unit and indoor unit.)
• Protective function might work when using it outside the operation range.
• *1: Maximum current:
– The maximum value when operated within the operation range.
– The total current of indoor unit and 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 WLAN adapter is also required. For details, refer to the setting manual.
- 3 - 1. Specifications
DUCT TYPE ADUH09-18LUAS1 DUCT TYPE ADUH09-18LUAS1

2. Dimensions
2-1. Models: ADUH09LUAS1 and ADUH12LUAS1
Unit: in (mm)
Rear view
View A
Top view Side view
Front view
Bottom view
Drain port
2 (51)
22-5/8 (574)
6-17/8 (174)
2-13/16 (71)
6 (152)
3-15/16 (100) x 6 = 23-5/8 (600)
3-7/32 (82)
1-7/8 (48)
25-9/16 (650)
28-7/8 (734)
1-3/16 (30)
14-13/16 (377)
6-7/16
(163)
4-11/16 (119)
3-1/2 (89)
3-1/16 (78)
2-3/16 (55)
1-7/8 (47)
3/8 (10)
24-7/16 (620)
14-5/8 (371)
10-3/8 (264)
5-11/16
(144)
2-11/16
(69)
25-9/16 (650)
26-1/8 (664)
27-9/16 (700)
1-11/16 (43)
1-1/4 (31)
7-13/16 (198)
6-5/8 (168)
5-15/16
(151)
3-1/16 (78) 2-3/16 (55)
- 4 -
2-1. Models: ADUH09LUAS1 and ADUH12LUAS1 2. Dimensions
DUCT TYPE ADUH09-18LUAS1 DUCT TYPE
ADUH09-18LUAS1

2-2. Model: ADUH18LUAS1
Unit: in (mm)
Rear view
View A
Top view
Side view
Front view
Bottom view
Drain port
2 (51)
30-1/2 (774)
6-7/8 (174)
2-13/16 (71)
6 (152)
3-7/16
(87)
2-3/16
(56)
33-7/16 (850)
36-3/4 (934)
3-15/16 (100) × 8 = 31-1/2 (800)
1-3/16 (30)
14-13/16 (377)
6-7/16
(163)
4-11/16 (119)
3-1/2 (89)
3-1/16 (78)
2-3/16 (55)
1-7/8 (47)
3/8 (10)
24-7/16 (620)
14-5/8 (371)
10-3/8 (264)
5-11/16
(144)
2-11/16
(69)
33-7/16 (850)
34 (864)
35-7/16 (900)
1-11/16 (43)
1-1/4
(31)
7-13/16
(198)
6-5/8
(168)
5-15/16
(151)
3-1/16
(78) 2-3/16 (55)
A
- 5 -
2-2. Model: ADUH18LUAS1 2. Dimensions
DUCT TYPE ADUH09-18LUAS1 DUCT TYPE
ADUH09-18LUAS1

2-3. Installation space requirement
Provide sufficient installation space for product safety.
In ceiling-concealed installations:
Left
side
Strong and durable ceiling
Right
side
6 (150)
or more
16 (400)
or more Service access Ceiling
99 (2,500) or more
(When no ceiling)
Floor
10 (240) or more
1 (20) or more
1 (20) or more
12 (300) or more
Unit: in (mm)
Indoor unit
In wall-concealed installations:
1 (10)
or less
1 (10)
or less
Left side
Strong and
durable floor
Right side
(PIPE side)
Grille
Inlet air
Strong and
durable floor
6
(150)
or more
4 (100)
or more
12 (300)
or more
1 (20)
or more
1 (20)
or more
6 (150)
or more
Unit: in (mm)
Left side
Strong and
durable floor
Right side
(PIPE side)
Duct
Grille
Inlet air
Strong and
durable floor
6
(150)
or more
4 (100)
or more
12 (300)
or more
1 (20)
or more
1 (20)
or more
6 (150)
or more
- 6 -
2-3. Installation space requirement 2. Dimensions
DUCT TYPE ADUH09-18LUAS1 DUCT TYPE
ADUH09-18LUAS1