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Fujitsu ABYG45KRTA Design & Technical Manual

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AIR CONDITIONER
Ceiling type
DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
ABYG36KRTA
ABYG45KRTA
AOYG36KRTA
AOYG45KRTA
DR_AB013EF_03
2020.11.19

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Summary of Contents for Fujitsu ABYG45KRTA

  • Page 1 AIR CONDITIONER Ceiling type DESIGN & TECHNICAL MANUAL INDOOR ABYG36KRTA ABYG45KRTA OUTDOOR AOYG36KRTA AOYG45KRTA DR_AB013EF_03 2020.11.19...
  • Page 2 • 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. ®...

  • Page 3: Table Of Contents

    CONTENTS Part 1. INDOOR UNIT................1 1. Specifications....................2 2. Dimensions....................4 2-1. Models: ABYG36KRTA and ABYG45KRTA ..............4 3. Wiring diagrams ....................6 3-1. Models: ABYG36KRTA and ABYG45KRTA ..............6 4. Capacity table....................7 4-1. Cooling capacity.......................7 4-2. Heating capacity ......................8 5. Fan performance ...................9 5-1. Air velocity and temperature distributions ................9 5-2.
  • Page 4 CONTENTS (continued) Part 2. OUTDOOR UNIT..............39 1. Specifications....................40 2. Dimensions....................41 2-1. Model: AOYG36KRTA ....................41 2-2. Model: AOYG45KRTA ....................42 3. Installation space ..................43 3-1. Models: AOYG36KRTA and AOYG45KRTA..............43 4. Refrigerant circuit ..................46 4-1. Models: AOYG36KRTA and AOYG45KRTA..............46 5. Wiring diagrams ..................47 5-1.

  • Page 5: Part 1. Indoor Unit

    Part 1. INDOOR UNIT CEILING TYPE: ABYG36KRTA ABYG45KRTA...

  • Page 6: Specifications

    1. Specifications Ceiling Type Inverter heat pump Model name ABYG36KRTA ABYG45KRTA Power supply 3N 400 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 342—457 V 12.1 Rated Btu/h 32,400 41,300 Cooling 2.8—11.2 4.0—13.5 Min.—Max. Btu/h 9,600—38,200 13,600—46,000...
  • Page 7 Specifications for ErP Lot10 Model name ABYG36KRTA Cooling Energy efficiency class Heating (Average) Cooling 9.5 (35°C) Pdesign Heating (Average) 8.7 (-10°C) SEER Cooling 6.37 kWh/kWh SCOP Heating (Average) 4.21 Annual energy consump- kWh/a tion QHE (Average) 2,904 Cooling Sound power level HIGH dB (A) Heating...

  • Page 8: Dimensions

    2. Dimensions 2-1. Models: ABYG36KRTA and ABYG45KRTA 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.
  • Page 9 0 or more Obstruction Floor Required ceiling height varies according to the ceiling mode setting of function setting No. 20. Ceiling height (m) Ceiling mode Standard High ceiling 36 and 45 models - 5 - 2-1. Models: ABYG36KRTA and ABYG45KRTA 2. Dimensions...

  • Page 10: Wiring Diagrams

    3. Wiring diagrams 3-1. Models: ABYG36KRTA and ABYG45KRTA - 6 - 3-1. Models: ABYG36KRTA and ABYG45KRTA 3. Wiring diagrams...

  • Page 11: Capacity Table

    7.18 6.44 3.10 7.34 6.47 3.14 7.75 6.77 3.20 8.16 7.07 3.25 8.61 7.30 3.30 9.30 7.65 3.37 ¢ Model: ABYG45KRTA 1,900 Indoor temperature °CDB °CWB °CDB 8.56 6.43 1.98 9.29 6.76 2.02 9.78 6.97 2.05 10.26 7.27 2.08 10.75 7.56...

  • Page 12: Heating Capacity

    14.56 3.81 14.50 3.81 14.13 3.81 13.19 3.83 15.34 3.81 15.27 3.81 15.21 3.82 14.82 3.82 13.84 3.83 ¢ Model: ABYG45KRTA 1,850 Indoor temperature °CDB °CDB °CWB 12.04 4.74 11.75 4.76 11.46 4.78 11.19 4.78 10.53 4.78 13.37 4.93 13.05 4.97...

  • Page 13: Fan Performance

    5. Fan performance 5-1. Air velocity and temperature distributions ¢ Model: ABYG36KRTA Fan speed Operation mode Measuring conditions HIGH 0.25 Top view Vertical airflow direction louver: Up Horizontal airflow direction louver: Center 0.25 Top view Vertical airflow direction louver: Up Horizontal airflow direction louver: Left &...
  • Page 14 ¢ Model: ABYG45KRTA Fan speed Operation mode Measuring conditions HIGH 0.25 Top view Vertical airflow direction louver: Up Horizontal airflow direction louver: Center 0.25 Top view Vertical airflow direction louver: Up Horizontal airflow direction louver: Left & Right 0.25 0.25...

  • Page 15: 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: ABYG36KRTA  Cooling Fan speed Airflow 1,850 HIGH 1,089 1,470 1,300 1,050 QUIET...
  • Page 16 ¢ Model: ABYG45KRTA  Cooling Fan speed Airflow 1,900 HIGH 1,118 1,510 1,380 1,130 QUIET  Heating Fan speed Airflow 1,850 HIGH 1,089 1,510 1,380 1,130 QUIET - 12 - 5-2. Airflow 5. Fan performance...

  • Page 17: Fresh Air Characteristics

    5-3. Fresh air characteristics • Airflow volume - Static pressure of Fresh air intake characteristics 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) Static pressure of booster fan with airflow amount Q (Pa)
  • Page 18 • 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. - 14 - 5-3.

  • Page 19: Operation Noise (Sound Pressure)

    NC-20 NC-20 NC-15 NC-15 1,000 2,000 4,000 8,000 1,000 2,000 4,000 8,000 Octave band center frequency, Hz Octave band center frequency, Hz ¢ Model: ABYG45KRTA  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 HIGH HIGH NC-50 NC-50 NC-45...

  • Page 20: Sound Level Check Point

    6-2. Sound level check point Microphone Microphone - 16 - 6-2. Sound level check point 6. Operation noise (sound pressure)

  • Page 21: Safety Devices

    7. Safety devices Model Type of protection Protection form ABYG36KRTA ABYG45KRTA Circuit protection Current fuse (PCB*) 250 V, 5.0 A 135±15 °C Activate Fan motor stop Thermal protection Fan motor protection program 105±15 °C Reset Fan motor restart *PCB: Printed Circuit Board - 17 - 7.

  • Page 22: External Input And Output

    8. External input and output Rotary switch CN65 CN47 (Ext.in/out 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 — Terminal Dry contact Edge...
  • Page 23 ¢ 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 24: 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 25: 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 26 ¢ 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 27: 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 28  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 29  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 Input of indoor unit Terminal Stop (R.C.
  • Page 30 ¢ 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 31 ¢ 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 32 ¢ 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 33: 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 34: 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 35 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 36 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 37 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 38 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 - 34 -...

  • Page 39: Accessories

    11. Accessories 11-1. Models: ABYG36KRTA and ABYG45KRTA Part name Exterior Q’ty Part name Exterior Q’ty Operating 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...

  • Page 40: 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 controlled using the built-in thermo...

  • Page 41: 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 External devices and air conditioner PCB.
  • Page 42 Exterior Part name Model name Summary This converter is required when Split system UTY-VTGX connecting single split system to VRF converter network system. Split system This converter is required when converter UTY-VTGXV connecting single split system to VRF (AC power network system.

  • Page 43: Part 2. Outdoor Unit

    Part 2. OUTDOOR UNIT SINGLE TYPE: AOYG36KRTA AOYG45KRTA...

  • Page 44: Specifications

    1. Specifications Type Inverter heat pump Model name AOYG36KRTA AOYG45KRTA Power supply 3N 400 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 342—457 V Starting current Cooling 3,750 4,450 Airflow rate Heating 3,750 4,450 Type × Q'ty Propeller ×...

  • Page 45: Dimensions

    2. Dimensions 2-1. Model: AOYG36KRTA Unit: mm 35.7 Top view 3 Way valve (Liquid) 3 Way valve (Gas) Pipe port 25 67 Ф28: Cable port Ф28: Cable port Ф28: Cable port Ф28: Cable port Ф28: Cable port Ф28: Cable port Pipe port Pipe port Front view...

  • Page 46: Model: Aoyg45Krta

    2-2. Model: AOYG45KRTA 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 15.2...

  • Page 47: Installation Space

    3. Installation space 3-1. Models: AOYG36KRTA and AOYG45KRTA ¢ Space requirement Provide sufficient installation space for product safety.  Single outdoor unit installation • When the upper space is open: Unit: mm When there are obstacles at the rear only. When there are obstacles at the rear and sides.
  • Page 48  Multiple outdoor unit installation • When the upper space is open: Unit: mm When there are obstacles at the rear only. When there are obstacles at the front only. 1,500 or more 250 or more or more When there are obstacles at the front and rear.
  • Page 49  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 50: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Models: AOYG36KRTA and AOYG45KRTA 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)

  • Page 51: Wiring Diagrams

    5. Wiring diagrams 5-1. Model: AOYG36KRTA 5-2. Model: AOYG45KRTA - 47 - 5-1. Model: AOYG36KRTA 5. Wiring diagrams...

  • Page 52: 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: AOYG36KRTA NOTE: Values mentioned in the table are calculated based on the maximum capacity.

  • Page 53: Model: Aoyg45Krta

    6-2. Model: AOYG45KRTA NOTE: Values mentioned in the table are calculated based on the maximum capacity. Pipe length (m) COOLING — — — — 0.900 0.879 0.858 — — — 0.937 0.915 0.894 0.872 Indoor unit is higher — — 0.973 0.952 0.931...

  • Page 54: Additional Charge Calculation

    7. Additional charge calculation 7-1. Model: AOYG36KRTA Refrigerant type Refrigerant amount 1,900 Total pipe length 30 or less 50 (Max.) 40 g/m Additional charge amount 7-2. Model: AOYG45KRTA Refrigerant type Refrigerant amount 2,700 Total pipe length 30 or less 50 (Max.) 40 g/m Additional charge amount - 50 -...

  • Page 55: Airflow

    8. Airflow 8-1. Model: AOYG36KRTA  Cooling 3,750 1,042 2,207  Heating 3,750 1,042 2,207 8-2. Model: AOYG45KRTA  Cooling 4,450 1,236 2,619  Heating 4,450 1,236 2,619 - 51 - 8-1. Model: AOYG36KRTA 8. Airflow...

  • Page 56: Operation Noise (Sound Pressure)

    9. Operation noise (sound pressure) 9-1. Noise level curve ¢ Model: AOYG36KRTA  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 57: Sound Level Check Point

    9-2. Sound level check point Rear Microphone Microphone Airflow Side view Rear view NOTE: Detailed shape of the actual outdoor unit might be slightly different from the one illustrated above. - 53 - 9-2. Sound level check point 9. Operation noise (sound pressure)

  • Page 58: Electrical Characteristics

    10. Electrical characteristics Model name AOYG36KRTA AOYG45KRTA Voltage 3N 400 ~ Power supply Frequency Max operating current *1 10.5 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 59: Safety Devices

    11. Safety devices Model Type of Protection form protection AOYG36KRTA AOYG45KRTA 250 V, 30 A × 2 Circuit Current fuse protection (Main PCB) 250 V, 10 A × 2 122 ±9 °C 150 ±15 °C Activate Fan motor stop Fan motor stop Fan motor Thermal protection program protection...

  • Page 60: 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 61 ¢ 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 62: 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 63 ¢ 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 64: 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 65 ¢ 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 Local setting in outdoor unit or error code is displayed with blink. (2) ERROR Blinks during error operation.

  • Page 66: 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 67 ¢ 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 68: Accessories

    14. Accessories 14-1. Models: AOYG36KRTA and AOYG45KRTA Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Drain cap Drain pipe One-touch bush - 64 - 14-1. Models: AOYG36KRTA and AOYG45KRTA 14. Accessories...

  • Page 69: 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 - 65 - 15. Optional parts...

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