Fujitsu ARXG54KHTA Service-Handbuch

AIR CONDITIONER

Duct type

DESIGN & TECHNICAL MANUAL

INDOOR

ARXG45KHTA

ARXG54KHTA

OUTDOOR

AOYG45KBTB

AOYG54KBTB

DR_AR029EF_01

2019.04.22

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.

CONTENTS

Part 1. INDOOR UNIT...........................................................................1

1. Specifications................................................................................................2

2. Dimensions....................................................................................................3

2-1. Models: ARXG45KHTA and ARXG54KHTA ....................................................................3

2-2. Installation space requirement .........................................................................................4

2-3. Maintenance space requirement......................................................................................5

3. Wiring diagrams ............................................................................................6

3-1. Models: ARXG45KHTA and ARXG54KHTA ....................................................................6

4. Capacity table................................................................................................7

4-1. Cooling capacity...............................................................................................................7

4-2. Heating capacity ..............................................................................................................8

5. Fan performance ...........................................................................................9

5-1. Fan performance curve....................................................................................................9

5-2. Airflow ............................................................................................................................13

6. Operation noise (sound pressure).............................................................15

6-1. Noise level curve............................................................................................................15

6-2. Sound level check point .................................................................................................16

7. Safety devices .............................................................................................17

8. External input and output...........................................................................18

8-1. Preparation ....................................................................................................................18

8-2. External input.................................................................................................................19

8-3. External output...............................................................................................................20

9. Function settings ........................................................................................24

9-1. Models: ARXG45KHTA and ARXG54KHTA ..................................................................24

9-2. Function settings by using remote controller..................................................................26

10. Accessories.................................................................................................29

10-1.Models: ARXG45KHTA and ARXG54KHTA .................................................................29

11. Optional parts .............................................................................................30

11-1.Controllers ....................................................................................................................30

11-2.Others ...........................................................................................................................31

Part 2. OUTDOOR UNIT.....................................................................33

1. Specifications..............................................................................................34

2. Dimensions..................................................................................................35

2-1. Models: AOYG45KBTB and AOYG54KBTB ..................................................................35

3. Installation space ........................................................................................36

3-1. Models: AOYG45KBTB and AOYG54KBTB ..................................................................36

4. Refrigerant circuit .......................................................................................39

4-1. Models: AOYG45KBTB and AOYG54KBTB ..................................................................39

5. Wiring diagrams ..........................................................................................40

5-1. Models: AOYG45KBTB and AOYG54KBTB ..................................................................40

6. Capacity compensation rate for pipe length and height difference........41

6-1. Models: AOYG45KBTB and AOYG54KBTB ..................................................................41

7. Additional charge calculation ....................................................................42

7-1. Models: AOYG45KBTB and AOYG54KBTB ..................................................................42

8. Airflow..........................................................................................................43

8-1. Models: AOYG45KBTB and AOYG54KBTB ..................................................................43

9. Operation noise (sound pressure).............................................................44

9-1. Noise level curve............................................................................................................44

9-2. Sound level check point .................................................................................................45

10. Electrical characteristics............................................................................46

11. Safety devices .............................................................................................47

12. External input and output ..........................................................................48

12-1.External input................................................................................................................48

12-2.External output..............................................................................................................50

13. Function settings .......................................................................................52

13-1.Control PCB and switch buttons location ......................................................................52

13-2.Local setting procedure.................................................................................................54

14. Accessories.................................................................................................56

14-1.Models: AOYG45KBTB and AOYG54KBTB .................................................................56

15. Optional parts..............................................................................................57

CONTENTS (continued)

Part 1. INDOOR UNIT

DUCT TYPE:

ARXG45KHTA

ARXG54KHTA

1. Specifications

Type

Duct

Inverter heat pump

Model name ARXG45KHTA ARXG54KHTA

Power supply 230 V ~ 50 Hz

Power supply intake Outdoor unit

Available voltage range 198—264 V

Capacity

Cooling

Rated kW 12.1 13.4

Btu/h 41,300 45,700

Min.—Max. kW 4.0—14.0 5.0—14.5

Btu/h 13,600—47,800 17,100—49,500

Heating

Rated kW 13.5 15.5

Btu/h 46,100 52,900

Min.—Max. kW 5.0—16.2 5.5—18.0

Btu/h 17,100—55,300 18,800—61,400

Input power

Cooling Rated

4.16 4.77

Max. 4.77 4.98

Heating Rated 3.61 4.18

Max. 4.88 5.25

Current Cooling Rated A18.2 20.9

Heating Rated 15.8 18.3

Power factor Cooling %99.2 99.3

Heating 99.2 99.3

EER Cooling kW/kW 2.91 2.81

COP Heating 3.74 3.71

Moisture removal L/h (pints/h) 1.5 (2.6) 2.0 (3.5)

Maximum operating current*1Cooling A28.5

Heating 28.5

Fan

Airflow rate

Cooling

HIGH

m3/h

3,350

MED 2,850

LOW 2,430

Heating

HIGH 3,350

MED 2,850

LOW 2,430

Type × Q'ty Sirocco fan × 2

Motor output W 490

Static pressure range Pa 100 to 250

Sound pressure level*2

Cooling

HIGH

dB (A)

MED 43

LOW 40

Heating

HIGH 47

MED 43

LOW 40

Heat exchanger type

Dimensions (H × W × D) mm 336 × 890 × 53.2

Fin pitch 1.3

Rows × Stages 4 × 16

Pipe type Copper

Fin type Aluminum

Enclosure Material Steel sheet

Color ―

Dimensions

(H × W × D)

Net mm 400 × 1,050 × 500

Gross 460 × 1,230 × 640

Weight Net kg 46

Gross 51

Connection pipe Size Liquid mm (in) Ø9.52 (3/8)

Gas Ø15.88 (5/8)

Method Flare

Operation range Cooling °C 18 to 32

%RH 80 or less

Heating °C 16 to 30

Drain port Material Steel

Size mm Ø23.4 (I.D.), Ø25.4 (O.D.)

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 m, Height difference: 0 m. (Between outdoor unit and indoor unit.)

– Standard static pressure: 100 Pa

• 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

ARXG45, 54KHTA

DUCT TYPE

ARXG45, 54KHTA

2. Dimensions

2-1. Models: ARXG45KHTA and ARXG54KHTA

Unit: mm

Front view

Top view

Side view (L)

Side view (R)

Rear view

P5 ×120 = 600

585

P120 ×2 = 240

108

208356

371

1,080

1,000

862

126

1,050

851 125

295 26

155 14

324

400

123 41

500

139

12-Φ3

Drain

port

- 3 -

2-1. Models: ARXG45KHTA and ARXG54KHTA 2. Dimensions

DUCT TYPE

ARXG45, 54KHTA

DUCT TYPE

ARXG45, 54KHTA

2-2. Installation space requirement

Provide sufficient installation space for product safety.

¢Models: ARXG45KHTA and ARXG54KHTA

Installation by which service space is mode on top of the unit (recommended).

350 or

450 or more

(Service space)

Service access

Unit: mm

Installation by which service space is carried out from the bottom of the unit.

20 or

450 or more

(Service space)

Service access

Unit: mm

- 4 -

2-2. Installation space requirement 2. Dimensions

DUCT TYPE

ARXG45, 54KHTA

DUCT TYPE

ARXG45, 54KHTA

2-3. 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.

¢Models: ARXG45KHTA and ARXG54KHTA

:Service access :Service space

Unit

AIR

Control box

500 or more30 or more

500 or more

450 or more

300

or more 300

or more

Unit: mm

- 5 -

2-3. Maintenance space requirement 2. Dimensions

DUCT TYPE

ARXG45, 54KHTA

DUCT TYPE

ARXG45, 54KHTA

3. Wiring diagrams

3-1. Models: ARXG45KHTA and ARXG54KHTA

- 6 -

3-1. Models: ARXG45KHTA and ARXG54KHTA 3. Wiring diagrams

DUCT TYPE

ARXG45, 54KHTA

DUCT TYPE

ARXG45, 54KHTA

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