Fujitsu ARXG45KMLA User manual

AIR CONDITIONER
Duct type
SERVICE MANUAL
INDOOR
ARXG36KMLA
ARXG45KMLA
OUTDOOR
AOYG36KRTA AOYG45KRTA
SR_AR014EF_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 © 2019-2020 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_AR014EF_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....................................................................................................................01-7

1. Specifications
1-1. Indoor unit
Type Inverter heat pump
Model name ARXG36KMLA ARXG45KMLA
Power supply 3N 400 V ~ 50 Hz
Power supply intake Outdoor unit
Available voltage range 342—457 V
Capacity
Cooling
Rated k→ 9.5 12.1
Btu/h 32,400 41,300
Min.—Max. k→ 2.8—11.2 4.0—13.0
Btu/h 9,600—38,200 13,600—44,300
Heating
Rated k→ 10.8 13.5
Btu/h 36,900 46,100
Min.—Max. k→ 2.7—12.7 4.2—15.2
Btu/h 9,200—43,300 14,300—51,800
Input power
Cooling Rated
k→
2.97 4.22
Max. 4.29 5.03
Heating Rated 2.88 3.84
Max. 4.66 4.79
Current Cooling Rated A 5.7 7.7
Heating 5.6 7.1
Power factor Cooling %75.4 79.6
Heating 75.1 78.2
EER Cooling k→/k→ 3.20 2.87
COP Heating 3.75 3.52
Moisture removal L/h (pints/h) 3.0 (5.3) 4.0 (7.0)
Maximum operating current *1 Cooling A10.5 14.0
Heating 10.5 14.0
Fan
Airflow rate
Cooling
HIGH
m3/h
1,900 2,100
MED 1,620 1,750
LO→ 1,270 1,350
QUIET 980 1,070
Heating
HIGH 2,100
MED 1,620 1,750
LO→ 1,270 1,350
QUIET 980 1,070
Type × Q'ty Sirocco × 2
Motor output → 197
Static pressure range Pa 30 to 150
Sound pressure level *2
Cooling
HIGH
dB (A)
39 42
MED 35 38
LO→ 30 32
QUIET 26 28
Heating
HIGH 42 42
MED 35 38
LO→ 30 32
QUIET 26 28
Sound power level Cooling HIGH dB (A) 65 68
Heating 70 70
Heat exchanger type
Dimensions (H × → × D) mm 294 × 1,000 × 39.9 294 × 1,000 × 53.2
Fin pitch 1.40
Rows × Stages 3 × 14 4 × 14
Pipe type Copper
Fin type Aluminum
Enclosure Material Steel sheet
Color —
Dimensions
(H × → × D)
Net mm 270 × 1,135 × 700
Gross 300 × 1,320 × 790
→eight Net kg 38 39
Gross 45 47
Connection pipe Size Liquid mm (in) Ø9.52 (3/8) Gas Ø15.88 (5/8)
Method Flare
Drain port Material Steel
Tip diameter mm Ø35.7 (I.D.), Ø38.1 (O.D.)
Operation range Cooling °C 18 to 32 %RH 80 or less
Heating °C 16 to 30
Remote control (Option) →ired remote controller, →ireless remote controller, Mobile app*3 (FGLair™)
NOTES:
• Specifications are based on the following conditions:
– Cooling: Indoor temperature of 27 °CDB/19 °C→B, and outdoor temperature of 35 °CDB/24 °C→B.
– Heating: Indoor temperature of 20 °CDB/15 °C→B, and outdoor temperature of 7 °CDB/6 °C→B.
– Standard static pressure; 36 type: 47 Pa, 45 type: 60 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 →LAN 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 ARXG36KMLA
Energy efficiency class Cooling A++
Heating (Average) A+
Pdesign Cooling k→ 9.5 (35°C)
Heating (Average) 8.7 (-10°C)
SEER Cooling k→h/k→h 6.10
SCOP Heating (Average) 4.00
Annual energy consumption QCE k→h/a 545
QHE (Average) 3,044
1-1. Indoor unit - (01-2) - 1. Specifications
GENERAL INFORMATION GENERAL INFORMATION

1-2. Outdoor unit
Type Inverter heat pump
Model name AOYG36KRTA
Power supply 3N 400 V ~ 50 Hz
Power supply intake Outdoor unit
Available voltage range 342—457 V
Starting current A 5.7
Fan
Airflow rate Cooling m3/h 3,750
Heating 3,750
Type × Q'ty Propeller × 1
Motor output → 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 × → × D) mm
Main1: 756 × 905 × 18.20
Main2: 756 × 905 × 18.20
Fin pitch Main1: 1.45
Main2: 1.45
Rows × Stages Main1: 1 × 36
Main2: 1 × 36
Pipe type Copper
Fin Type (Material) Aluminum
Surface treatment Blue fin
Compressor Type DC twin rotary
Motor output → 1,500
Refrigerant Type (Global warming potential) R32 (675)
Factory charge g 1,900
Refrigerant oil Type F→68D
Amount cm3600
Enclosure
Material Steel sheet
Color Beige
Approximate color of Munsell 10YR 7.5/1.0
Dimensions
(H × → × D)
Net mm 788 × 940 × 320
Gross 966 × 1,027 × 445
→eight 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 50
Max. height difference 30
Operation range Cooling °C -15 to 46
Heating -15 to 24
Drain hose Material LDPE
Tip diameter 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 °C→B, and outdoor temperature of 35 °CDB/24 °C→B.
– Heating: Indoor temperature of 20 °CDB/15 °C→B, and outdoor temperature of 7 °CDB/6 °C→B.
– 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 AOYG45KRTA
Power supply 3N 400 V ~ 50 Hz
Power supply intake Outdoor unit
Available voltage range 342—457 V
Starting current A 7.7
Fan
Airflow rate Cooling m3/h 4,450
Heating 4,450
Type × Q'ty Propeller × 1
Motor output → 120
Sound pressure level *1 Cooling dB (A) 57
Heating 57
Sound power level Cooling dB (A) 71
Heating 71
Heat exchanger type
Dimensions
(H × → × D)
mm
Main1: 966 × 905 × 18.20
Main2: 966 × 905 × 18.20
Sub: 966 × 543 × 18.20
Fin pitch
Main1: 1.45
Main2: 1.45
Sub: 1.45
Rows × Stages
Main1: 1 × 46
Main2: 1 × 46
Sub: 1 × 46
Pipe type Copper
Fin Type (Material) Aluminum
Surface treatment Blue fin
Compressor Type DC twin rotary
Motor output → 2,180
Refrigerant Type (Global warming potential) R32 (675)
Factory charge g 2,700
Refrigerant oil Type RmM68AF
Amount cm3800
Enclosure
Material Steel sheet
Color Beige
Approximate color of Munsell 10YR 7.5/1.0
Dimensions
(H × → × D)
Net mm 998 × 940 × 320
Gross 1,176 × 1,027 × 445
→eight Net kg 67
Gross 77
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 50
Max. height difference 30
Operation range Cooling °C -15 to 46
Heating -15 to 24
Drain hose Material LDPE
Tip diameter mm Ø 13.0 (I. D.), Ø 16.0 to Ø 16.8 (O. D.)
NOTES:
• Specifications are based on the following conditions:
– Cooling: Indoor temperature of 27 °CDB/19 °C→B, and outdoor temperature of 35 °CDB/24 °C→B.
– Heating: Indoor temperature of 20 °CDB/15 °C→B, and outdoor temperature of 7 °CDB/6 °C→B.
– 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