Fujitsu AUXG36KRLB User manual

AIR CONDITIONER
Cassette type
SERVICE MANUAL
INDOOR
AUXG36KRLB
AUXG45KRLB
AUXG54KRLB
OUTDOOR
AOYG36KQTA AOYG45KQTA
AOYG54KQTA
SR_AU015EF_03
2020.11.16

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 © 2020 Fujitsu General Limited. All rights reserved.

CONTENTS
1. GENERAL INFORMATION
2. TECHNICAL DATA AND PARTS LIST
3. TROUBLESHOOTING
4. CONTROL AND FUNCTIONS
5. FILED WORKING

1. GENERAL INFORMATION
2020.11.16
SR_CH01_AU015EF_02

CONTENTS
1. GENERAL INFORMATION
1. Specifications..............................................................................................01-1
1-1. Indoor unit ......................................................................................................................01-1
1-2. Outdoor unit....................................................................................................................01-3
2. Dimensions..................................................................................................01-5
2-1. Indoor unit ......................................................................................................................01-5
2-2. Outdoor unit....................................................................................................................01-8

1. Specifications
1-1. Indoor unit
Type Cassette
Inverter heat pump
Model name AUXG36KRLB AUXG45KRLB AUXG54KRLB
Power supply 3N 400 V ~ 50 Hz
Power supply intake Outdoor unit
Available voltage range 342—457 V
Capacity
Cooling
Rated kW 9.5 12.1 13.4
Btu/h 32,400 41,300 45,700
Min.—Max. kW 2.8—11.2 4.0—14.0 4.5—14.5
Btu/h 9,600—38,200 13,600—47,800 15,400—49,500
Heating
Rated kW 10.8 13.5 15.5
Btu/h 36,850 46,000 52,900
Min.—Max. kW 2.7—12.7 4.2—16.2 4.7—16.5
Btu/h 9,200—43,300 14,300—55,300 16,000—56,300
Input power
Cooling Rated
kW
2.91 3.61 4.41
Max. 4.19 5.00 5.23
Heating Rated 2.45 3.21 4.16
Max. 4.48 4.69 4.77
Current Cooling Rated A 5.6 6.8 8.0
Heating 4.8 6.1 7.6
Power factor Cooling %75.2 77.4 80.3
Heating 73.8 76.1 79.4
EER Cooling kW/kW 3.26 3.35 3.04
COP Heating 4.40 4.20 3.73
Moisture removal L/h (pints/h) 3.3 (5.8) 4.5 (7.9) 5.0 (8.8)
Maximum operating current *1 Cooling A10.5 14.0
Heating 10.5 14.0
Fan
Airflow rate
Cooling
HIGH
m3/h
1,870 2,000 2,100
MED 1,560 1,650 1,780
LOW 1,410 1,460 1,600
QUIET 1,160 1,300 1,320
Heating
HIGH 1,870 2,000 2,100
MED 1,560 1,650 1,780
LOW 1,410 1,460 1,600
QUIET 1,160 1,300 1,320
Type × Q'ty Turbo fan × 1
Motor output W 81
Sound pressure level *2
Cooling
HIGH
dB (A)
44 46 47
MED 41 42 43
LOW 38 39 40
QUIET 34 35 36
Heating
HIGH 44 46 47
MED 41 42 43
LOW 38 39 40
QUIET 34 35 36
Heat exchanger type
Dimensions (H × W × D) mm Main1: 252 × 2,131 × 13.3, Main2: 252 × 2,064 × 13.3, Main3: 252 × 1,999 × 13.3
Fin pitch Main 1: 1.3, Main 2: 1.3, Main 3: 1.3
Rows × Stages Main 1: 1 × 12, Main 2: 1 × 12, Main 3: 1 × 12
Pipe type Copper tube
Fin type Aluminum
Dimensions
(H × W × D)
Net mm 288 × 840 × 840
Gross 340 × 960 × 950
Weight Net kg 29
Gross 34
Connection pipe Size Liquid mm (in) Ø 9.52 (3/8)
Gas Ø 15.88 (5/8)
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
Cassette grille
(Option)
Model name UTG-UKYC-W
Material Polystyrene
Color White
Approximate color of MUNSELL N 9.25/
Dimensions
(H × W × D)
Net mm 53 × 950 × 950
Gross 110 × 1,000 × 1,010
Weight Net kg 6.0
Gross 10.0
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.
– Pipe length: 5.0 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.
• This data is based on EN 14511 standard.
1-1. Indoor unit - (01-1) - 1. Specifications
GENERAL INFORMATION GENERAL INFORMATION

Specifications for ErP Lot10
Model name AUXG36KRLB
Energy efficiency class Cooling A++
Heating (Average) A+
Pdesign Cooling kW 9.5 (35°C)
Heating (Average) 8.7 (-10°C)
SEER Cooling kWh/kWh 6.55
SCOP Heating (Average) 4.3
Annual energy consump-
tion
QCE kWh/a 507
QHE (Average) 2,828
Sound power level Cooling HIGH dB (A) 58
Heating 58
1-1. Indoor unit - (01-2) - 1. Specifications
GENERAL INFORMATION GENERAL INFORMATION

1-2. Outdoor unit
Type Inverter heat pump
Model name AOYG36KQTA
Power supply 3N 400 V ~ 50 Hz
Power supply intake Outdoor unit
Available voltage range 342—457 V
Starting current A 5.9
Fan
Airflow rate Cooling m3/h 3,750
Heating 3,750
Type × Q'ty Propeller × 1
Motor output W 100
Sound pressure level *1 Cooling dB (A) 55
Heating 55
Sound power level Cooling dB (A) 70
Heating 70
Heat exchanger type
Dimensions
(H × W × D) mm
Main 1: 756 × 905 × 18.19
Main 2: 756 × 905 × 18.19
Fin pitch Main 1: 1.45
Main 2: 1.45
Rows × Stages Main 1: 1 × 36
Main 2: 1 × 36
Pipe type Copper
Fin Type (Material) Aluminum
Surface treatment Blue fin
Compressor Type × Q'ty DC Twin rotary × 1
Motor output W 1,500
Refrigerant Type (Global warming potential) R32 (675)
Factory charge g 1,900
Refrigerant oil Type FW68D
Amount cm3600
Enclosure
Material Steel sheet
Color Beige
Approximate color of Munsell 10YR 7.5/1.0
Dimensions
(H × W × D)
Net mm 788 × 940 × 320
Gross 966 × 1,027 × 445
Weight Net kg 53
Gross 62
Connection pipe
Size Liquid mm (in) Ø 9.52 (3/8)
Gas Ø 15.88 (5/8)
Method Flare
Pre-charge length
m
30
Max. length 30
Max. height difference 30
Operation range Cooling °C -10 to 46
Heating -15 to 24
Drain hose Material LDPE
Size mm Ø 13.0 (I. D.), Ø 16.0 to Ø 16.7 (O. D.)
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.
– Pipe length: 5.0 m, Height difference: 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.
• This data is based on EN 14511 standard.
1-2. Outdoor unit - (01-3) - 1. Specifications
GENERAL INFORMATION GENERAL INFORMATION

Type Inverter heat pump
Model name AOYG45KQTA AOYG54KQTA
Power supply 3N 3N 400 V ~ 50 Hz
Power supply intake Outdoor unit
Available voltage range 342—457 V
Starting current A 7.8 8.6
Fan
Airflow rate Cooling m3/h 4,450 4,450
Heating 4,450 4,780
Type × Q'ty Propeller × 1
Motor output W 120
Sound pressure level *1 Cooling dB (A) 58 58
Heating 59 61
Sound power level Cooling dB (A) 72 74
Heating 73 75
Heat exchanger type
Dimensions
(H × W × D) mm
Main 1: 966 × 905 × 18.19
Main 2: 966 × 905 × 18.19
Fin pitch Main 1: 1.45
Main 2: 1.45
Rows × Stages Main 1: 1 × 46
Main 2: 1 × 46
Pipe type Copper
Fin Type (Material) Aluminum
Surface treatment Blue fin
Compressor Type × Q'ty DC Twin rotary × 1
Motor output W 1,830 2,180
Refrigerant Type (Global warming potential) R32 (675)
Factory charge g 2,400
Refrigerant oil Type RmM68AF
Amount cm3800
Enclosure
Material Steel sheet
Color Beige
Approximate color of Munsell 10YR 7.5/1.0
Dimensions
(H × W × D)
Net mm 998 × 940 × 320
Gross 1,176 × 1,027 × 445
Weight Net kg 62 63
Gross 72 73
Connection pipe
Size Liquid mm (in) Ø 9.52 (3/8)
Gas Ø 15.88 (5/8)
Method Flare
Pre-charge length
m
30
Max. length 30
Max. height difference 30
Operation range Cooling °C -10 to 46
Heating -15 to 24
Drain hose Material LDPE
Size mm Ø 13.0 (I. D.), Ø 16.0 to Ø 16.7 (O. D.)
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.
– Pipe length: 5.0 m, Height difference: 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.
• This data is based on EN 14511 standard.
1-2. Outdoor unit - (01-4) - 1. Specifications
GENERAL INFORMATION GENERAL INFORMATION