Fujitsu ABHG54KRTA User manual

AIR CONDITIONER
Ceiling type
SERVICE MANUAL
INDOOR
ABHG54KRTA
OUTDOOR
AOHG54KRTA
SR_AB007EG_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
2020.04.16
SR_CH01_AB007EG_01

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

1. Specifications
1-1. Indoor unit
Type Ceiling
Inverter heat pump
Model name ABHG54KRTA
Power supply 3N 400 V ~ 50 Hz
Power supply intake Outdoor unit
Available voltage range 342—457 V
Capacity
Cooling
Rated kW 13.4
Btu/h 45,700
Min.—Max. kW 4.5—14.5
Btu/h 15,350—49,400
Heating
Rated kW 15.5
Btu/h 52,900
Min.—Max. kW 4.7—16.5
Btu/h 16,040—56,310
Input power
Cooling Rated
kW
4.45
Max. 5.23
Heating Rated 4.43
Max. 4.83
Current Cooling Rated A 8.0
Heating 8.0
EER Cooling kW/kW 3.01
COP Heating 3.50
Power factor Cooling %80.5
Heating 80.4
Moisture removal L/h (pints/h) 5.0 (8.8)
Maximum operating current *1Cooling A14.0
Heating 14.0
Fan
Airflow rate
Cooling
HIGH
m3/h
2,100
MED 1,700
LOW 1,500
QUIET 1,220
Heating
HIGH 2,100
MED 1,700
LOW 1,500
QUIET 1,220
Type × Q'ty Sirocco × 4
Motor output W 130
Sound pressure level *2
Cooling
HIGH
dB (A)
48
MED 44
LOW 41
QUIET 38
Heating
HIGH 48
MED 44
LOW 41
QUIET 38
Heat exchanger type
Dimensions (H × W × D) mm 294 × 1,335 × 39.9
Fin pitch mm 1.30
Rows × Stages 3 × 14
Pipe type Copper
Fin type Aluminum
Enclosure
Material Steel sheet
Color White
Approximate color of Munsell N9.25/
Dimensions
(H × W × D)
Net mm 235 × 1,700 × 705
Gross 330 × 1,785 × 825
Weight Net kg 38
Gross 48
Connection pipe Size Liquid mm (in) Ø9.52 (Ø3/8) Gas Ø15.88 (Ø5/8)
Method Flare
Drain hose Material PVC
Tip diameter mm Ø25 (I.D.), Ø32 (O.D.)
Operation range Cooling °C 18 to 32
%RH 80 or less
Heating °C 16 to 30
Remote controller (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 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 is maximum value when operated within the operation range.
• *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.
1-1. Indoor unit - (01-1) - 1. Specifications
GENERAL INFORMATION GENERAL INFORMATION

1-2. Outdoor unit
Type Inverter heat pump
Model name AOHG54KRTA
Power supply 3N 400 V ~ 50 Hz
Power supply intake Outdoor unit
Available voltage range 342—457 V
Starting current A 8.0
Fan
Airflow rate Cooling m3/h 4,450
Heating 4,450
Type × Q'ty Propeller × 1
Motor output W 120
Sound pressure level *1 Cooling dB (A) 57
Heating 59
Sound power level Cooling dB (A) 73
Heating 73
Heat exchanger type
Dimensions
(H × W × 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 W 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 × W × D)
Net mm 998 × 940 × 320
Gross 1,176 × 1,027 × 445
Weight 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 16.7 (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.
1-2. Outdoor unit - (01-2) - 1. Specifications
GENERAL INFORMATION GENERAL INFORMATION

2. Dimensions
2-1. Indoor unit
¢Model: ABHG54KRTA
Unit: mm
Top viewSide view
Rear view
Suspension bolt pitch
1,543
Indoor unit (Top view)
Indoor unit
Dimensions
(Space required for installation)
The length of the bolt
here is 30 mm.
75
10
175290
75
49 84
55
110
1,543
1,700
705
206
179
115
41
125 103
349
119
145
181
98
313
89
235
100
125
91
80140
290178
ø100-mm hole
89
110
2-1. Indoor unit - (01-3) - 2. Dimensions
GENERAL INFORMATION GENERAL INFORMATION

¢Installation space requirement
Unit: mm
Ceiling
Ceiling
30 or more
2,500 or more
1,000 or more
200 or more
0 or more
Obstruction
Floor
Indoor unit
Required ceiling height varies according to the ceiling mode setting of function setting No. 20.
Ceiling height (m)
Ceiling mode Standard High ceiling
54 model 3.5 4.3
2-1. Indoor unit - (01-4) - 2. Dimensions
GENERAL INFORMATION GENERAL INFORMATION