Fujitsu AIRSTAGE AOEG54KRTA Design & Technical Manual
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Fujitsu AIRSTAGE AOEG54KRTA Design & Technical Manual

Fujitsu AIRSTAGE AOEG54KRTA Design & Technical Manual

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AIR CONDITIONER
Ceiling type
DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
ABEG54KRTA
AOEG54KRTA
DR_AB011ES_04
2023.12.18

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Summary of Contents for Fujitsu AIRSTAGE AOEG54KRTA

  • Page 1 AIR CONDITIONER Ceiling type DESIGN & TECHNICAL MANUAL INDOOR ABEG54KRTA OUTDOOR AOEG54KRTA DR_AB011ES_04 2023.12.18...
  • Page 2 AOEG54KRTA ABYG54KRTA ABEG54KRTA Trademarks ™ FGLair is trademark of Fujitsu General Limited in the United States, other countries or both. ™ Google Play is trademark of Google LLC. ® App Store is a service mark of Apple Inc., registered in the U.S. and other countries.

  • Page 3: Table Of Contents

    CONTENTS Part 1. INDOOR UNIT................1 1. Specifications....................2 2. Dimensions....................3 2-1. Model: ABEG54KRTA......................3 2-2. Installation space requirement ..................4 3. Wiring diagrams ....................5 3-1. Model: ABEG54KRTA......................5 4. Capacity table....................6 4-1. Cooling capacity.......................6 4-2. Heating capacity ......................6 5. Fan performance ...................7 5-1. Air velocity and temperature distributions ................7 5-2.
  • Page 4 CONTENTS (continued) Part 2. OUTDOOR UNIT..............35 1. Specifications....................36 2. Dimensions....................37 2-1. Model: AOEG54KRTA ....................37 3. Installation space ..................38 3-1. Model: AOEG54KRTA ....................38 4. Refrigerant circuit ..................42 4-1. Model: AOEG54KRTA ....................42 5. Wiring diagrams ..................43 5-1. Model: AOEG54KRTA ....................43 6. Capacity compensation rate for pipe length and height difference..44 6-1.

  • Page 5: Part 1. Indoor Unit

    Part 1. INDOOR UNIT CEILING TYPE: ABEG54KRTA...

  • Page 6: Specifications

    1. Specifications Ceiling Type Inverter heat pump Model name ABEG54KRTA Power supply 400 V 3N ~ 50 Hz Power supply intake Outdoor unit Available voltage range 342—457 V 13.4 Rated Btu/h 45,700 Cooling 4.5—14.5 Min.—Max. Btu/h 15,350—49,400 Capacity 15.5 Rated Btu/h 52,900 Heating...

  • Page 7: Dimensions

    2. Dimensions 2-1. Model: ABEG54KRTA Unit: mm 1,700 1,543 49 84 125 103 Side view Top view ø100-mm hole Rear view Suspension bolt pitch 1,543 Dimensions (Space required for installation) Indoor unit (Top view) The length of the bolt here is 30 mm. Indoor unit - 3 - 2-1.

  • Page 8: Installation Space Requirement

    2-2. Installation space requirement Unit: mm Ceiling Indoor unit 30 or more Ceiling 200 or more 0 or more Obstruction Floor Required ceiling height varies according to the ceiling mode setting of function setting No. 20. Ceiling height (mm) Ceiling mode Standard High ceiling 36 to 54 models...

  • Page 9: Wiring Diagrams

    3. Wiring diagrams 3-1. Model: ABEG54KRTA - 5 - 3-1. Model: ABEG54KRTA 3. Wiring diagrams...

  • Page 10: Capacity Table

    4. Capacity table Capacity tables show each of following values calculated based on the outdoor temperature and the indoor temperature, under given Airflow Rate (AFR): For cooling capacity: Total Capacity (TC), Sensible Heat Capacity (SHC), and Input Power (IP) For heating capacity: Total Capacity (TC) and Input Power (IP) 4-1.

  • Page 11: Fan Performance

    5. Fan performance 5-1. Air velocity and temperature distributions ¢ Model: ABEG54KRTA Fan speed Operation mode Measuring conditions HIGH 0.25 Top view Horizontal louver: Up Vertical louver: Center 0.25 Top view Horizontal louver: Up Vertical louver: Left & Right 0.25 0.25 Side view Horizontal louver: Up...

  • Page 12: Airflow

    5-2. Airflow Conversion factor: • 1 m /h = 0.2778 l/s = 0.5886 CFM • 3.6 m /h = 1 l/s • 1.699 m /h = 1 CFM ¢ Model: ABEG54KRTA  Cooling Fan speed Airflow 2,100 HIGH 1,236 1,700 1,001 1,500 1,220...

  • Page 13: Fresh Air Characteristics

    5-3. Fresh air characteristics ¢ Airflow volume: Static pressure of fresh-air intake characteristics  Model: ABEG54KRTA 50.0 100.0 150.0 200.0 250.0 300.0 350.0 400.0 Airflow rate (m ¢ How to read curve Duct characteristics Curve in at site the graphs Designed amount of fresh air intake (m Static pressure loss of fresh air intake duct system with airflow amount Q (Pa) Forced static pressure at air conditioner inlet with airflow amount Q (Pa)

  • Page 14: Installation

    ¢ Installation Fresh air inlet position Round duct and the fastening screws (M4) (Locally purchased) Flexible duct (Locally purchased) NOTE: When taking in the fresh air, thermal insulation is required to avoid the product malfunction caused by dew condensation. - 10 - 5-3.

  • Page 15: Operation Noise (Sound Pressure)

    6. Operation noise (sound pressure) 6-1. Noise level curve ¢ Model: ABEG54KRTA  Cooling  Heating NC-65 NC-65 NC-60 NC-60 HIGH NC-55 NC-55 HIGH NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 QUIET NC-25 NC-25 QUIET NC-20 NC-20 NC-15 NC-15 1,000...

  • Page 16: Safety Devices

    7. Safety devices Model Type of protection Protection form ABEG54KRTA Circuit protection Current fuse (PCB*) 250 V, 5.0 A More than 80°C Activate Fan motor speed down Thermal protection Fan motor protection program 80°C or less Reset Fan motor speed recover *PCB: Printed Circuit Board - 12 - 7.

  • Page 17: External Input And Output

    8. External input and output Rotary switch CN65 CN47 (Ext. I/O PCB) (Ext. out) Terminal (Ext.in) Fig. Indoor unit PCB Fig. External Input and Output PCB External Input connect kit External input External output Connector Input select signal (Optional parts) Operation/Stop —...

  • Page 18: External Input And Output Pcb

    ¢ External input and output PCB The indoor unit Operation/Stop can be set by using the input terminal on the PCB.  Input select Use either one of these types of terminals according to the application. (Both types of terminals cannot be used simultaneously.) •...

  • Page 19: External Output

    8-2. External output Use an external output cable with appropriate external dimension, depending on the number of ca- bles to be installed. ¢ Indoor unit • A twisted pair cable (22AWG) should be used. Maximum length of cable is 25 m. •...

  • Page 20: Combination Of External Input And Output

    8-3. Combination of external input and output By combining the function setting of the indoor unit and rotary switch setting of the External input and output PCB, you can select various combinations of functions. Combination examples of external input and output are as follows: External input External input Function...

  • Page 21: Input Signal Type

    ¢ Input signal type • Indoor unit Input signal type is only "Edge". Edge • External input and output PCB The input signal type can be selected. Signal type (edge or pulse) can be switched by the DIP switch 2 (SW2) on the External input and output PCB.

  • Page 22: Details Of Function

    8-4. Details of function ¢ Control input function  When function setting is "Operation/Stop" mode 1 • In the case of "Edge" input Rotary SW of Function External input and External input Input signal Command setting / output PCB Off → On Operation Input of indoor unit Terminal...
  • Page 23  When function setting is "Forced stop" mode • In the case of "Edge" input Rotary SW of Function External input and External input Input signal Command setting / output PCB Off → On Forced stop Input of indoor unit Terminal On →...
  • Page 24  When function setting is "Operation/Stop" mode 2 • In the case of "Edge" input Rotary SW of Function External input and External input Input signal Command setting / output PCB Off → On Operation Stop Input of indoor unit Terminal (Remote On →...

  • Page 25: Forced Thermostat Off Function

    ¢ Forced thermostat off function Function Rotary SW of External External input Input signal Command setting / input and output PCB 60-00 / 2 Off → On Thermostat off 60-09 / B External input and output Input 1 60-10 / C Normal On →...

  • Page 26: Error Status

    ¢ Error status Function Rotary SW of External External output Output signal Command setting / input and output PCB Low → High Error 60-09 / B Output of indoor unit CN47 High → Low Normal Off → On Error 60-00 / 2 Output 1 On →...

  • Page 27: External Heater Output

    ¢ External heater output Function Rotary SW of External External output Output signal Command setting / input and output PCB Low → High Heater on 60-11 / D Output of indoor unit CN47 High → Low Heater off 60-00 / 2 Off →...

  • Page 28: Group Connection

    9. Group connection Installation procedure for group control system: A number of indoor units can be operated at the same time using a single remote controller. NOTE: When different type of indoor units (such as wall mounted type and cassette type, cassette type and duct type, or other combinations) are connected using group control system, some functions may no longer be available.

  • Page 29: Function Settings

    10. Function settings To adjust the functions of this product according to the installation environment, various types of function settings are available. NOTE: Incorrect settings can cause a product malfunction. 10-1. Function settings by using remote controller Some function settings can be changed on the remote controller. After confirming the setting proce- dure and the content of each function setting, select appropriate functions for your installation envi- ronment.
  • Page 30 2) Ceiling height Select the appropriate ceiling height according to the place of installation. Function number Setting value Setting description Factory setting Standard ♦ High ceiling For the specific height for each setting value, refer to “Installation space” in Chapter 2. "Dimensions"...
  • Page 31 5) Room temperature control for wired remote controller sensor Depending on the installed environment, correction of the wire remote temperature sensor may be required. Select the appropriate control setting according to the installed environment. To change this setting, set Function 42 to Both “01”. Ensure that the Thermo Sensor icon is displayed on the remote controller screen.
  • Page 32 8) Remote controller custom code (Only for wireless remote controller) The indoor unit custom code can be changed. Select the appropriate custom code. Function number Setting value Setting description Factory setting ♦ 9) External input control "Operation/Stop" mode or "Forced stop" mode can be selected. Function number Setting value Setting description...
  • Page 33 12) Switching functions for external output terminal Functions of the external output terminal can be switched. For details, refer to “External input and output”. Function number Setting value Setting description Factory setting Operation status ♦ 01—08 (Setting prohibited) Error status Indoor unit fan operation status External heater - 29 -...

  • Page 34: Accessories

    11. Accessories 11-1. Model: ABEG54KRTA Part name Exterior Part name Exterior Operation manual Insulation Operating manual Drain hose (CD-ROM) Installation manual Hose band Template Cable tie (large) M10 nut A Cable tie (small) (with flange) M10 nut B Remote controller cable (with spring lock hole cap washer)

  • Page 35: Optional Parts

    12. Optional parts 12-1. Controllers Exterior Part name Model name Summary Easy finger touch operation with LCD Wired Remote panel. Backlit LCD enables easy UTY-RNRYZ* Controller operation in a dark room. Wire type: Non-polar 2-wire High visibility and easy operation. Room temperature can be accurately Wired Remote UTY-RLRY...

  • Page 36: 12-2.Others

    12-2. Others Exterior Part name Model name Summary Optional drain lift-up mechanism Drain Pump Unit UTR-DPB24T allows more flexible installation. For piping of upward direction only. Auxiliary Pipe UTP-FX35A • For liquid: 9.52 mm (3/8 in) Assembly • For gas: 15.88 mm (5/8 in) Use to connect with various peripheral devices and air conditioner PCB.
  • Page 37 Exterior Part name Model name Summary Network This converter is required when Converter connecting single split system to VRF UTY-VTGXV (AC power network system. supply) Air conditioner switching can be External Switch controlled by connecting other external UTY-TERX Controller sensor switches. NOTE: Combined use of following optional parts and WLAN Adapter (UTY-TFSXZ1) is not allowed.
  • Page 38 CEILING TYPE ABEG54KRTA CEILING TYPE ABEG54KRTA...

  • Page 39: Part 2. Outdoor Unit

    Part 2. OUTDOOR UNIT SINGLE TYPE: AOEG54KRTA...

  • Page 40: Specifications

    1. Specifications Type Inverter heat pump Model name AOEG54KRTA Power supply 400 V 3N ~ 50 Hz Power supply intake Outdoor unit Available voltage range 342—457 V Starting current Cooling 4,450 Airflow rate Heating 4,450 Type × Qty Propeller × 1 Motor output Cooling dB (A)

  • Page 41: Dimensions

    2. Dimensions 2-1. Model: AOEG54KRTA Unit: mm 35.7 Top view 3 Way valve (Liquid) 3 Way valve (Gas) 129.1 Pipe port Ф28 Ф28 85.3 Cable port Ф28: Cable port Pipe port Cable port Pipe port Pipe port Pipe port Front view Side view Rear view 62.6...

  • Page 42: Installation Space

    3. Installation space 3-1. Model: AOEG54KRTA ¢ Space requirement Provide sufficient installation space for product safety. CAUTION Keep the space shown in the installation examples. If the installation is not performed accordingly, it could cause a short circuit and result in a lack of operating performance.
  • Page 43 • When an obstruction in the upper space: Unit: mm When there are obstacles at the rear When there are obstacles at the rear, sides, and and above. above. Max. 500 Max. 500 1,000 or more 1,000 or more 500 or more 200 or more 300 or more 250 or more...

  • Page 44: Multiple Outdoor Unit Installation

     Multiple outdoor unit installation • Provide at least 250 mm of space between the outdoor units if multiple units are installed. • When routing the piping from the side of an outdoor unit, provide space for piping. • No more than 3 units must be installed side by side. When 4 units or more are arranged in a line, provide the space as shown in the following ex- ample “When an obstruction in the upper space:”.

  • Page 45: Outdoor Unit Installation In Multi-Row

     Outdoor unit installation in multi-row Unit: mm Single parallel unit arrangement Multiple parallel unit arrangement 150 or more 500 or more 3,000 or more 3,500 or more 600 or more 600 or more 1,500 or more 1,500 or more 250 or more 1,500 or more 500 or more...

  • Page 46: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Model: AOEG54KRTA Heat exchanger 3-Way 3-Way ( INDOOR ) valve valve Pressure switch Pressure sensor 4-Way valve Strainer Expansion valve Heat exchanger Strainer ( OUTDOOR ) : Cooling : Heating : Thermistor (Compressor temperature) : Thermistor (Discharge temperature) : Thermistor (Heat Exchanger Med temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat Exchanger Out temperature)

  • Page 47: Wiring Diagrams

    5. Wiring diagrams 5-1. Model: AOEG54KRTA - 43 - 5-1. Model: AOEG54KRTA 5. Wiring diagrams...

  • Page 48: Capacity Compensation Rate For Pipe Length And Height Difference

    6. Capacity compensation rate for pipe length and height difference Height difference H Indoor unit is higher than outdoor unit Indoor unit is lower than outdoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Connection pipe Connection pipe 6-1. Model: AOEG54KRTA NOTE: Values mentioned in the table are calculated based on the maximum capacity.

  • Page 49: Additional Charge Calculation

    7. Additional charge calculation 7-1. Model: AOEG54KRTA Refrigerant type Refrigerant amount 2,700 Refrigerant charge Total pipe length 30 or less 50 (Max.) 40 g/m Additional charge amount - 45 - 7-1. Model: AOEG54KRTA 7. Additional charge calculation...

  • Page 50: Airflow

    8. Airflow 8-1. Model: AOEG54KRTA  Cooling 4,450 1,236 2,619  Heating 4,450 1,236 2,619 - 46 - 8-1. Model: AOEG54KRTA 8. Airflow...

  • Page 51: Operation Noise (Sound Pressure)

    9. Operation noise (sound pressure) 9-1. Noise level curve ¢ Model: AOEG54KRTA  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 NC-15 NC-15 1,000 2,000 4,000 8,000 1,000...

  • Page 52: Electrical Characteristics

    10. Electrical characteristics Model name AOEG54KRTA Voltage 400 V 3N ~ Power supply Frequency Max operating current *1 14.0 Starting current Circuit breaker current Power cable Wiring spec. *2 Cross-sectional area Connection cable *3 Limited wiring length *1: Maximum current is the total current of the indoor unit and the outdoor unit. *2: Selected sample based on Japan Electrotechnical Standards and Codes Committee E0005.

  • Page 53: Safety Devices

    11. Safety devices Model Type of Protection form protection AOEG54KRTA 250 V, 30 A × 2 Circuit Current fuse protection (Main PCB) 250 V, 10 A × 2 150 ±15 °C Activate Fan motor stop Fan motor Thermal protection program protection 120 ±15°C Reset...

  • Page 54: External Input And Output

    12. External input and output With using external input and output functions, this product can be operated inter-connectedly with an external device. Connector Input Output Remarks P580 Low noise mode — PA580 Peak cut mode — See external input/output settings for details.

  • Page 55: Peak Cut Mode

    ¢ Peak cut mode By performing following on-site work, operation that suppresses the current value can be enabled: The air conditioner is set to the “Peak cut mode” when closing the contact input of a commercial timer or on/off switch to a connector on the control PCB of the outdoor unit. •...

  • Page 56: 12-2.External Output

    12-2. External output With using external output function, some status signals are transmitted to the control PCB, and the related LED lamp indicates the status of this product. ¢ Error status output Signal on air conditioner error status is generated when a malfunction occurs. •...

  • Page 57: Compressor Status Output

    ¢ Compressor status output Signal on compressor operation status is generated when the compressor is running. • Circuit diagram example • Output voltage (Vcc): DC 12 V Outdoor unit 50 mA or less control PCB Connected unit (Locally purchased) • *: Make the distance from the Example: Connector Example: Fan...

  • Page 58: Function Settings

    13. Function settings Perform appropriate function setting locally according to the installation environment. NOTE: Incorrect settings can cause a product malfunction. CAUTION • Before setting up the switch buttons, discharge the static electricity from your body. • Never touch the terminals or the patterns on the parts that are mounted on the PCB. 13-1.

  • Page 59: Switch Buttons And The Functions

    ¢ Switch buttons and the functions LED lamps S134 S133 S132 S131 S130 Switch buttons LED lamp Function or operation method Lights on while power on. (1) POWER/MODE Green Blinks to show the local setting on the outdoor unit or the error code. (2) ERROR Blinks during error operation.

  • Page 60: 13-2.Local Setting Procedure

    13-2. Local setting procedure NOTE: Before performing the function setting, be sure to stop the operation of the air conditioner. ¢ Low noise mode Press the MODE switch button (S134) for 3 seconds or more to switch to “Local setting mode”. After confirming the LED lamp of POWER/MODE blinks 9 times, press the ENTER switch but- ton (S132).
  • Page 61 ¢ Peak cut mode Press the MODE switch button (S134) for 3 seconds or more to switch to “Local setting mode”. After confirming the LED lamp of POWER/MODE blinks 9 times, press the ENTER switch but- ton (S132). PUMP POWER LOW NOISE PEAK CUT DOWN...

  • Page 62: Accessories

    14. Accessories 14-1. Model: AOEG54KRTA Part name Exterior Part name Exterior Installation manual Drain cap Drain pipe One-touch bush - 58 - 14-1. Model: AOEG54KRTA 14. Accessories...

  • Page 63: Optional Parts

    15. Optional parts Exterior Part name Model name Summary Use to operate the external input and External UTY-XWZXZ3 output functions of outdoor unit. Connect Kit - 59 - 15. Optional parts...

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