Fujitsu ARXG12KLLAP Service manual

AIR CONDITIONER
Duct type
DESIGN & TECHNICAL MANUAL
INDOOR
ARXG09KLLAP
ARXG12KLLAP
ARXG14KLLAP
ARXG18KLLAP
OUTDOOR
AOYG09KBTB
AOYG12KBTB
AOYG14KBTB
AOYG18KBTB
DR_AR027EF_03
2019.07.11

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 Inc.
App Store® is a service mark of Apple Inc., registered in the U.S. and other countries.
Copyright © 2019 Fujitsu General Limited. All rights reserved.

CONTENTS
Part 1. INDOOR UNIT...........................................................................1
1. Specifications................................................................................................2
2. Dimensions....................................................................................................4
2-1. Models: ARXG09KLLAP, ARXG12KLLAP, and ARXG14KLLAP.....................................4
2-2. Model: ARXG18KLLAP....................................................................................................5
2-3. Installation space requirement .........................................................................................6
2-4. Maintenance space requirement......................................................................................6
3. Wiring diagrams ............................................................................................7
3-1. Models: ARXG09KLLAP, ARXG12KLLAP, ARXG14KLLAP, and ARXG18KLLAP .........7
4. Capacity table................................................................................................8
4-1. Cooling capacity...............................................................................................................8
4-2. Heating capacity ............................................................................................................10
5. Fan performance .........................................................................................11
5-1. Air velocity and temperature distributions ......................................................................11
5-2. Fan performance curve..................................................................................................19
5-3. Airflow ............................................................................................................................27
6. Operation noise (sound pressure).............................................................31
6-1. Noise level curve............................................................................................................31
6-2. Sound level check point .................................................................................................33
7. Safety devices .............................................................................................34
8. External input and output...........................................................................35
8-1. External input.................................................................................................................35
8-2. External output...............................................................................................................36
8-3. Combination of external input and output.......................................................................37
8-4. Details of function ..........................................................................................................38
9. Function settings ........................................................................................41
9-1. Function settings on indoor unit .....................................................................................41
9-2. Function settings by using remote controller..................................................................43
10. Accessories.................................................................................................48
10-1.Models: ARXG09KLLAP, ARXG12KLLAP, and ARXG14KLLAP..................................48
10-2.Model: ARXG18KLLAP.................................................................................................49
11. Optional parts .............................................................................................50
11-1.Controllers ....................................................................................................................50
11-2.Others ...........................................................................................................................52

Part 2. OUTDOOR UNIT.....................................................................53
1. Specifications..............................................................................................54
2. Dimensions..................................................................................................55
2-1. Models: AOYG09KBTB, AOYG12KBTB, and AOYG14KBTB .......................................55
2-2. Model: AOYG18KBTB ...................................................................................................56
3. Installation space ........................................................................................57
3-1. Models: AOYG09KBTB, AOYG12KBTB, AOYG14KBTB, and AOYG18KBTB..............57
4. Refrigerant circuit .......................................................................................60
4-1. Models: AOYG09KBTB, AOYG12KBTB, and AOYG14KBTB .......................................60
4-2. Model: AOYG18KBTB ...................................................................................................61
5. Wiring diagrams ..........................................................................................62
5-1. Model: AOYG09KBTB ...................................................................................................62
5-2. Models: AOYG12KBTB, AOYG14KBTB, and AOYG18KBTB .......................................63
6. Capacity compensation rate for pipe length and height difference........64
6-1. Model: AOYG09KBTB ...................................................................................................64
6-2. Model: AOYG12KBTB ...................................................................................................65
6-3. Model: AOYG14KBTB ...................................................................................................66
6-4. Model: AOYG18KBTB ...................................................................................................67
7. Additional charge calculation ....................................................................68
7-1. Model: AOYG09KBTB ...................................................................................................68
7-2. Models: AOYG12KBTB and AOYG14KBTB ..................................................................68
7-3. Model: AOYG18KBTB ...................................................................................................68
8. Airflow..........................................................................................................69
8-1. Model: AOYG09KBTB ...................................................................................................69
8-2. Model: AOYG12KBTB ...................................................................................................69
8-3. Model: AOYG14KBTB ...................................................................................................69
8-4. Model: AOYG18KBTB ...................................................................................................70
9. Operation noise (sound pressure).............................................................71
9-1. Noise level curve............................................................................................................71
9-2. Sound level check point .................................................................................................73
10. Electrical characteristics............................................................................74
11. Safety devices .............................................................................................75
12. Accessories.................................................................................................76
12-1.Models: AOYG09KBTB, AOYG12KBTB, AOYG14KBTB, and AOYG18KBTB.............76
CONTENTS (continued)

Part 1. INDOOR UNIT
DUCT TYPE:
ARXG09KLLAP
ARXG12KLLAP
ARXG14KLLAP
ARXG18KLLAP

1. Specifications
Type
Duct
Inverter heat pump
Model name ARXG09KLLAP ARXG12KLLAP ARXG14KLLAP ARXG18KLLAP
Power supply 230 V ~ 50 Hz
Power supply intake Outdoor unit
Available voltage range 198—264 V
Capacity
Cooling
Rated kW 2.5 3.5 4.3 5.2
Btu/h 8,500 11,900 14,700 17,700
Min.—Max. kW 0.90—3.20 0.90—4.40 0.90—5.40 0.90—5.90
Btu/h 3,100—10,900 3,100—15,000 3,100—18,400 3,100—20,100
Heating
Rated kW 3.2 4.1 5.0 6.0
Btu/h 10,900 14,000 17,000 20,500
Min.—Max. kW 0.90—4.70 0.90—5.70 0.90—6.50 0.90—7.50
Btu/h 3,100—16,000 3,100—19,500 3,100—22,100 3,100—25,600
Input power
Cooling Rated
kW
0.6 0.93 1.28 1.55
Max. 1.82 2.24 2.35 2.79
Heating Rated 0.79 1.08 1.32 1.62
Max. 1.82 2.24 2.35 2.79
Current Cooling Rated A 3.1 4.1 5.6 6.8
Heating 4.0 4.8 5.8 7.1
Power factor Cooling %84.2 98.6 99.4 99.1
Heating 85.9 97.8 99.0 99.2
EER Cooling kW/kW 4.17 3.76 3.36 3.35
COP Heating 4.05 3.80 3.79 3.70
Moisture removal L/h (pints/h) 0.7 (1.2) 1.3 (2.3) 1.5 (2.6) 2.0 (3.5)
Maximum operating current *1 Cooling A7.9 9.7 10.2 12.1
Heating 7.9 9.7 10.2 12.1
Fan
Airflow rate
Cooling
HIGH
m3/h
600 650 800 940
MED 550 600 700 880
LOW 500 550 600 820
QUIET 450 480 480 750
Heating
HIGH 600 650 800 940
MED 550 600 700 880
LOW 500 550 600 820
QUIET 450 480 480 750
Type × Q'ty Sirocco fan × 2 Sirocco fan × 3
Motor output W 81
Recommended static pressure range Pa 0 to 90
Sound pressure level *2
Cooling
HIGH
dB (A)
28 29 32 32
MED 27 28 30 30
LOW 26 26 28 29
QUIET 25 25 26 27
Heating
HIGH 28 29 32 32
MED 26 28 30 30
LOW 25 26 28 29
QUIET 24 24 25 27
Heat exchanger type
Dimensions (H × W × D) mm 294 × 500 × 39.9 294 × 700 × 39.9
Fin pitch 1.3
Rows × Stages 3 × 14
Pipe type Copper tube
Fin type Aluminum
Enclosure Material Steel sheet
Color —
Dimensions
(H × W × D)
Net mm 198 × 700 × 620 198 × 900 × 620
Gross 276 × 968 × 772 276 × 1,168 × 772
Weight Net kg 17 20
Gross 22 26
Connection pipe Size Liquid mm (in) Ø 6.35 (Ø 1/4) Gas Ø 9.52 (Ø 3/8) Ø 12.70 (Ø 1/2)
Method Flare
Drain hose Material PVC
Size mm Ø 25 (I.D.), Ø 32 (O.D.)
Operation range Cooling °C 18 to 32 %RH 80 or less
Heating °C 16 to 30
Remote control (Option) Wired remote controller, Wireless remote controller, Mobile app*3 (FGLair™)
NOTES:
• 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.
– Standard static pressure; 25 Pa
– Pipe length: 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 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 WLAN adapter is also required. For details, refer to the setting manual.
- 2 - 1. Specifications
DUCT TYPE ARXG09-18KLLAP DUCT TYPE ARXG09-18KLLAP

Specifications for ErP Lot10
Model name ARXG09KLLAP ARXG12KLLAP ARXG14KLLAP ARXG18KLLAP
Energy efficiency class Cooling A++ A++ A+A++
Heating (Average) A+A+AA+
Pdesign Cooling kW 2.5 (35°C) 3.5 (35°C) 4.3 (35°C) 5.2 (35°C)
Heating (Average) 2.6 (-10°C) 3.4 (-10°C) 3.8 (-10°C) 4.4 (-10°C)
SEER Cooling kWh/kWh 6.20 6.10 5.80 6.20
SCOP Heating (Average) 4.30 4.00 3.90 4.10
Annual energy consumption QCE kWh/a 141 201 259 293
QHE (Average) 845 1,189 1,362 1,501
Sound power level Cooling HIGH dB (A) 57 58 60 58
Heating 57 58 60 58
- 3 - 1. Specifications
DUCT TYPE ARXG09-18KLLAP DUCT TYPE ARXG09-18KLLAP

2. Dimensions
2-1. Models: ARXG09KLLAP, ARXG12KLLAP, and
ARXG14KLLAP
Rear view
View A
Top view Side view
Front view
Bottom view
(Drain hose)
Drain port
51
574
174
71
152
100 x 6 = 600
82
48
650
734
30
377
167
119
89
78
55
47
10
620
371
264
144
69
650
664
700
43
20
198 168 151
78 55
Unit: mm
- 4 -
2-1. Models: ARXG09KLLAP, ARXG12KLLAP, and ARXG14KLLAP 2. Dimensions
DUCT TYPE ARXG09-18KLLAP DUCT TYPE ARXG09-18KLLAP

2-2. Model: ARXG18KLLAP
Rear view
View A
Top view
Side view
Front view
Bottom view
(Drain hose)
Drain port
51
774
174
71
152
87
56
850
934
100 x 8 = 800
30
377
167
119
89
78
55
47
10
620
371
264
144
69
850
864
900
43
20
198
168
151
78 55
Unit: mm
- 5 -
2-2. Model: ARXG18KLLAP 2. Dimensions
DUCT TYPE ARXG09-18KLLAP DUCT TYPE ARXG09-18KLLAP

2-3. Installation space requirement
Provide sufficient installation space for product safety.
In ceiling-concealed installations:
Left
side
Strong and durable ceiling
Indoor unit
Right
side
150
or more
400
or more
Service access Ceiling
2500 or more
(When no ceiling)
Floor
240 or more
20 or more
20 or more
300 or more
Unit: mm
2-4. Maintenance space requirement
For future maintenance and service access, provide sufficient maintenance space.
NOTE: Do not place any wiring or illumination in the maintenance space, as they will impede ser-
vice.
Service access
Unit: mm
Unit
Control box
Service space
400
or more
300
or more
100
or more
- 6 -
2-3. Installation space requirement 2. Dimensions
DUCT TYPE ARXG09-18KLLAP DUCT TYPE ARXG09-18KLLAP