Fujitsu AUXG24KRLB Design & Technical Manual
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Fujitsu AUXG24KRLB Design & Technical Manual

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AIR CONDITIONER
Cassette type
DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
AUXG24KRLB
AUXG30KRLB
AUXG36KRLB
AUXG45KRLB
AUXG54KRLB
AOYG24KBTB
AOYG30KBTB
AOYG36KBTB
AOYG45KBTB
AOYG54KBTB
DR_AU023EF_02
2019.04.26

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Summary of Contents for Fujitsu AUXG24KRLB

  • Page 1 AIR CONDITIONER Cassette type DESIGN & TECHNICAL MANUAL INDOOR AUXG24KRLB AUXG30KRLB AUXG36KRLB AUXG45KRLB AUXG54KRLB OUTDOOR AOYG24KBTB AOYG30KBTB AOYG45KBTB AOYG36KBTB AOYG54KBTB DR_AU023EF_02 2019.04.26...
  • 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

    2. Dimensions....................5 2-1. Model: AUXG24KRLB......................5 2-2. Models: AUXG30KRLB, AUXG36KRLB, AUXG45KRLB, and AUXG54KRLB....6 2-3. Installation space requirement ..................7 3. Wiring diagram ....................9 3-1. Models: AUXG24KRLB, AUXG30KRLB, AUXG36KRLB, AUXG45KRLB, and AUXG54KRLB........................9 4. Capacity table....................10 4-1. Cooling capacity......................10 4-2. Heating capacity ......................12 5. Fan performance ..................14 5-1.
  • Page 4 CONTENTS (continued) Part 2. OUTDOOR UNIT..............61 1. Specifications....................62 2. Dimensions....................65 2-1. Model: AOYG24KBTB ....................65 2-2. Models: AOYG30KBTB and AOYG36KBTB ..............66 2-3. Models: AOYG45KBTB and AOYG54KBTB ..............67 3. Installation space ..................68 3-1. Model: AOYG24KBTB ....................68 3-2. Models: AOYG30KBTB, AOYG36KBTB, AOYG45KBTB, and AOYG54KBTB....71 4.
  • Page 5 CONTENTS (continued) 13-2.Local setting procedure....................97 14. Accessories ....................99 14-1.Model: AOYG24KBTB ....................99 14-2.Models: AOYG30KBTB, AOYG36KBTB, AOYG45KBTB, and AOYG54KBTB.....99 15. Optional parts....................100...

  • Page 7: Part 1. Indoor Unit

    Part 1. INDOOR UNIT CASSETTE TYPE: AUXG24KRLB AUXG30KRLB AUXG36KRLB AUXG45KRLB AUXG54KRLB...

  • Page 8: Specifications

    1. Specifications Cassette Type Inverter heat pump Model name AUXG24KRLB AUXG30KRLB AUXG36KRLB Power supply 230 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Rated Btu/h 23,200 29,000 32,400 Cooling 0.90—8.00 2.80—10.00 2.80—11.20 Min.—Max. Btu/h 3,100—27,300...
  • Page 9 Specifications for ErP Lot10 Model name AUXG24KRLB AUXG30KRLB AUXG36KRLB Cooling Energy efficiency class Heating (Average) Cooling 6.8 (35°C) 8.5 (35°C) 9.5 (35°C) Pdesign Heating (Average) 6.0 (-10°C) 8.0 (-10°C) 8.7 (-10°C) SEER Cooling 6.60 6.70 6.55 kWh/kWh SCOP Heating (Average) 4.20...
  • Page 10 Cassette Type Inverter heat pump Model name AUXG45KRLB AUXG54KRLB Power supply 230 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V 12.1 13.4 Rated Btu/h 41,300 45,700 Cooling 4.00—14.00 4.50—14.50 Min.—Max. Btu/h 13,600—47,800 15,400—49,500 Capacity 13.5 15.5 Rated...

  • Page 11: Dimensions

    2. Dimensions 2-1. Model: AUXG24KRLB Unit: mm Hanging bolt position Drain hose View A Ceiling Wire hole Fresh air inlet (cut out) Ø95 View B View C 4 × Ø3.2 hole - 5 - 2-1. Model: AUXG24KRLB 2. Dimensions...

  • Page 12: Models: Auxg30Krlb, Auxg36Krlb, Auxg45Krlb, And Auxg54Krlb

    2-2. Models: AUXG30KRLB, AUXG36KRLB, AUXG45KRLB, and AUXG54KRLB Unit: mm Hanging bolt position Drain hose View A Ceiling Wire hole Fresh air inlet (cut out) Ø95 View B View C 4 × Ø3.2 hole - 6 - 2-2. Models: AUXG30KRLB, AUXG36KRLB, AUXG45KRLB, and AUXG54KRLB 2.

  • Page 13: Installation Space Requirement

    1,000 or more Obstruction Floor Model name H1: Attic height AUXG24KRLB 256 or more AUXG30-54KRLB 298 or more Be sure to make function setting with the remote controller according to the installed ceiling height. H2: The maximum height from floor to ceiling...
  • Page 14 • Human sensor (Option) Top view Drain Refrigerant pipe pipe Human sensor Example of sensitivity range: Unit: mm 3,200 8,800 Ceiling height 3,200 mm Equal sensitivity range of temperature Detecting position 800 mm from floor surface NOTE: When the installation height gets higher, the temperature sensitivity decreases. CAUTION •...

  • Page 15: Wiring Diagram

    3. Wiring diagram 3-1. Models: AUXG24KRLB, AUXG30KRLB, AUXG36KRLB, AUXG45KRLB, and AUXG54KRLB - 9 - 3-1. Models: AUXG24KRLB, AUXG30KRLB, AUXG36KRLB, AUXG45KRLB, and 3. Wiring diagram AUXG54KRLB...

  • Page 16: Capacity Table

    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. Cooling capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. ¢ Model: AUXG24KRLB 1,150 Indoor temperature °CDB °CWB...
  • Page 17 ¢ Model: AUXG36KRLB 1,870 Indoor temperature °CDB °CWB °CDB 6.91 5.45 1.03 7.15 5.47 1.06 7.31 5.49 1.08 7.72 5.75 1.09 8.13 6.01 1.11 8.58 6.21 1.13 9.27 6.50 1.15 6.76 5.39 1.26 7.00 5.41 1.29 7.16 5.42 1.31 7.56 5.68 1.33 7.96...

  • Page 18: Heating Capacity

    4-2. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. ¢ Model: AUXG24KRLB 1,150 Indoor temperature °CDB °CDB °CWB 6.37 2.16 6.21 2.21 6.06 2.25 5.91 2.30 5.76 2.34 6.99 2.25 6.82 2.30 6.65 2.34...
  • Page 19 ¢ Model: AUXG45KRLB 1,870 Indoor temperature °CDB °CDB °CWB 12.04 4.31 11.75 4.33 11.46 4.35 11.19 4.35 10.53 4.35 13.37 4.49 13.05 4.52 12.73 4.54 12.43 4.54 11.69 4.54 14.70 4.68 14.35 4.70 14.00 4.72 13.67 4.72 12.86 4.72 15.48 4.86 15.11 4.88...

  • Page 20: Fan Performance

    5. Fan performance 5-1. Air velocity distributions ¢ Model: AUXG24KRLB (4-way air outlet) Fan speed Operation mode Measuring conditions HIGH Unit: m/s 0.25 Top view 0.25 Vertical airflow direction louver: position 1 Unit: m/s 0.25 0.25 Side view Vertical airflow direction louver: position 1...
  • Page 21 ¢ Model: AUXG30KRLB (4-way air outlet) Fan speed Operation mode Measuring conditions HIGH Unit: m/s 0.25 0.25 Top view Vertical airflow direction louver: position 1 Unit: m/s 0.25 0.25 Side view Vertical airflow direction louver: position 1 Unit: m/s Side view Vertical airflow direction louver: position 2 0.25 0.25...
  • Page 22 ¢ Model: AUXG36KRLB (4-way air outlet) Fan speed Operation mode Measuring conditions HIGH Unit: m/s 0.25 Top view 0.25 Vertical airflow direction louver: position 1 Unit: m/s 0.25 0.25 Side view Vertical airflow direction louver: position 1 Unit: m/s Side view Vertical airflow direction louver: position 2 0.25 0.25...
  • Page 23 ¢ Model: AUXG45KRLB (4-way air outlet) Fan speed Operation mode Measuring conditions HIGH Unit: m/s Top view Vertical airflow direction louver: position 1 0.25 0.25 Unit: m/s 0.25 0.25 Side view Vertical airflow direction louver: position 1 Unit: m/s Side view Vertical airflow direction louver: position 2 0.25 0.25...
  • Page 24 ¢ Model: AUXG54KRLB (4-way air outlet) Fan speed Operation mode Measuring conditions HIGH Unit: m/s 0.25 0.25 Top view Vertical airflow direction louver: position 1 Unit: m/s 0.25 0.25 Side view Vertical airflow direction louver: position 1 Unit: m/s Side view Vertical airflow direction louver: position 2 0.25 0.25...
  • Page 25 ¢ Model: AUXG24KRLB (3-way air outlet) Fan speed Operation mode Measuring conditions HIGH Unit: m/s Top view 0.25 Vertical airflow direction louver: position 1 0.25 Unit: m/s 0.25 0.25 Side view Vertical airflow direction louver: position 1 Unit: m/s Side view Vertical airflow direction louver: position 2 0.25...
  • Page 26 ¢ Model: AUXG30KRLB (3-way air outlet) Fan speed Operation mode Measuring conditions HIGH Unit: m/s 0.25 Top view Vertical airflow direction louver: position 1 0.25 Unit: m/s 0.25 0.25 Side view Vertical airflow direction louver: position 1 Unit: m/s Side view Vertical airflow direction louver: position 2 0.25 0.25...
  • Page 27 ¢ Model: AUXG36KRLB (3-way air outlet) Fan speed Operation mode Measuring conditions HIGH Unit: m/s 0.25 Top view Vertical airflow direction louver: position 1 0.25 Unit: m/s 0.25 0.25 Side view Vertical airflow direction louver: position 1 Unit: m/s Side view Vertical airflow direction louver: position 2 0.25 0.25...
  • Page 28 ¢ Model: AUXG45KRLB (3-way air outlet) Fan speed Operation mode Measuring conditions HIGH Unit: m/s 0.25 Top view Vertical airflow direction louver: position 1 0.25 Unit: m/s 0.25 0.25 Side view Vertical airflow direction louver: position 1 Unit: m/s Side view Vertical airflow direction louver: position 2 0.25 0.25...
  • Page 29 ¢ Model: AUXG54KRLB (3-way air outlet) Fan speed Operation mode Measuring conditions HIGH Unit: m/s 0.25 Top view Vertical airflow direction louver: position 1 0.25 Unit: m/s 0.25 0.25 Side view Vertical airflow direction louver: position 1 Unit: m/s Side view Vertical airflow direction louver: position 2 0.25 0.25...

  • Page 30: Airflow

    5-2. Airflow ¢ Model: AUXG24KRLB (4-way outlet)  Cooling/Heating Fan speed Airflow 1,150 HIGH 1,050 QUIET ¢ Model: AUXG30KRLB (4-way outlet)  Cooling/Heating Fan speed Airflow 1,600 HIGH 1,400 1,270 1,150 QUIET - 24 - 5-2. Airflow 5. Fan performance...
  • Page 31 ¢ Model: AUXG36KRLB (4-way outlet)  Cooling/Heating Fan speed Airflow 1,870 HIGH 1,101 1,560 1,410 1,160 QUIET ¢ Model: AUXG45KRLB (4-way outlet)  Cooling/Heating Fan speed Airflow 2,000 HIGH 1,177 1,650 1,460 1,300 QUIET ¢ Model: AUXG54KRLB (4-way outlet)  Cooling/Heating Fan speed Airflow 2,100...
  • Page 32 ¢ Model: AUXG24KRLB (3-way outlet)  Cooling/Heating Fan speed Airflow 1,000 HIGH QUIET ¢ Model: AUXG30KRLB (3-way outlet)  Cooling/Heating Fan speed Airflow 1,390 HIGH 1,220 1,100 1,000 QUIET ¢ Model: AUXG36KRLB (3-way outlet)  Cooling/Heating Fan speed Airflow 1,660...
  • Page 33 ¢ Model: AUXG45KRLB (3-way outlet)  Cooling/Heating Fan speed Airflow 1,740 HIGH 1,024 1,440 1,270 1,130 QUIET ¢ Model: AUXG54KRLB (3-way outlet)  Cooling/Heating Fan speed Airflow 1,830 HIGH 1,077 1,550 1,390 1,150 QUIET - 27 - 5-2. Airflow 5. Fan performance...

  • Page 34: Fresh-Air Characteristics

    5-3. Fresh-air characteristics ¢ Airflow volume: static pressure of fresh-air intake characteris- tics Duct (inside diameter: ø 95 mm) Duct fan Static pressure required to take in fresh-air Airflow (m ¢ Installation Flexible duct *2 Fan *2 Flexible duct *2 Duct flange *2 Fresh-air inlet position Insulation *1...

  • Page 35: Duct Connection

    5-4. Duct connection ¢ Outlet air Duct (inside size: 350 mm    100 mm)  Model: AUXG24KRLB Fan Speed Quiet 1-way Fan Speed Fan Speed Fan Speed High 1-way Quiet 2-way L= 10 m High 2-way L= 5 m L= 1 m...
  • Page 36  Model: AUXG45KRLB Fan Speed High 1-way Fan Speed High 2-way Fan Speed Quiet 1-way Fan Speed L=10m Quiet 2-way L=5m L=1m Airflow (m /min)  Model: AUXG54KRLB Fan Speed High 1-way Fan Speed High 2-way Fan Speed Quiet 1-way Fan Speed L=10m Quiet 2-way...
  • Page 37 ¢ Precautions on air-outlet duct connection • Connect the air-outlet duct to maximum 2 directions among the 4-duct connecting directions. CAUTION Do not connect ducts at 3 or more directions. • When installing air-outlet duct in 2 directions, connect the ducts in a straight line. Air-outlet duct Close Close...

  • Page 38: Operation Noise (Sound Pressure)

    6. Operation noise (sound pressure) 6-1. Noise level curve Ceiling height Outlet directions Measuring conditions Standard 4-way air outlet ¢ Model: AUXG24KRLB  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 High NC-45 NC-45 High NC-40 NC-40...
  • Page 39 ¢ Model: AUXG36KRLB  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 High High NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 Quiet Quiet NC-25 NC-25 NC-20 NC-20 NC-15 NC-15 1000 2000 4000 8000 1000 2000 4000 8000 Octave band center frequency, Hz Octave band center frequency, Hz...
  • Page 40 ¢ Model: AUXG54KRLB  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 High High NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 Quiet Quiet NC-25 NC-25 NC-20 NC-20 NC-15 NC-15 1000 2000 4000 8000 1000 2000 4000 8000 Octave band center frequency ,Hz Octave band center frequency ,Hz...

  • Page 41: Sound Level Check Point

    6-2. Sound level check point Microphone 1.5 m Microphone - 35 - 6-2. Sound level check point 6. Operation noise (sound pressure)

  • Page 42: Safety Devices

    7. Safety devices Model Type of Protection form AUXG24KRLB, AUXG30KRLB, AUXG36KRLB, protection AUXG45KRLB, and AUXG54KRLB Current fuse Circuit 250 V, 3.15 A protection (PCB*) 125 ± 10 °C Activate Thermal Fan motor stop Fan motor protection protection 120 ± 10 °C...

  • Page 43: 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 Operation status...

  • Page 44: External Input

    8-1. External input • “Operation/Stop” mode can be selected with function setting of indoor unit. • A twisted pair cable (22AWG) should be used. Maximum length of cable is 150 m. • The wire connection should be separate from the power cable line. ¢...

  • Page 45: 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 46: 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 47 ¢ 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 48: 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 49  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 50  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 51 ¢ 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 52 ¢ 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 53 ¢ 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 54: Function Settings

    9. 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. 9-1. Function settings on indoor unit By using some components on the PCB, you can change the function settings. ¢...
  • Page 55 ¢ DIP switch setting • SW100: Remote controller address setting NOTE: Because this setting is normally done automatically when 2-core wired remote con- troller is installed, setting is unnecessary. Multiple indoor units can be operated by using one wired remote controller. Set the unit number of each indoor unit.

  • Page 56: Function Settings By Using Remote Controller

    9-2. 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. ¢ Setting procedure by using remote controller Remote controller is not attached for this product.
  • Page 57 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 Low ceiling For the specific height for each setting value, refer to “Installation space” in Chapter 2. "Dimensions"...
  • Page 58 5) Room temperature control for indoor unit sensor Depending on the installed environment, correction of the room temperature sensor may be re- quired. Select the appropriate control setting according to the installed environment. The temperature correction values show the difference from the Standard setting "00" (manufactur- er’s recommended value).
  • Page 59 7) Auto restart Enables or disables automatic restart after a power interruption. Function number Setting value Setting description Factory setting Enable ♦ Disable NOTE: Auto restart is an emergency function such as for power outage etc. Do not attempt to use this function in normal operation.
  • Page 60 12) Indoor unit fan control for energy saving for cooling Enables or disables the power-saving function by controlling the indoor unit fan rotation when the outdoor unit is stopped during cooling operation. Function number Setting value Setting description Factory setting Disable Enable Remote controller...

  • Page 61: Accessories

    (CD-ROM) Installation manual Hose band Drain hose heat Template (Carton top) insulation Washer Cable tie (large) Coupler heat insulation Cable tie (small) (large) Coupler heat insulation (small) - 55 - 10-1. Models: AUXG24KRLB, AUXG30KRLB, AUXG36KRLB, AUXG45KRLB, and 10. Accessories AUXG54KRLB...

  • Page 62: Optional Parts

    11. Optional parts 11-1. 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 63: 11-2.Cassette Grille

    Exterior Part name Model name Summary IR receiver kit with wireless Unit control is performed by wireless UTY-LBTYC remote remote controller. controller NOTE: Available functions may differ by the remote controller. For details, refer to the operation manual. 11-2. Cassette grille Exterior Part name Model name...

  • Page 64: 11-3.Others

    11-3. Others Exterior Part name Model name Summary Human sensor UTY-SHZXC For circular flow cassette type. Use to connect with various peripheral External devices and air conditioner PCB. UTY-XWZXZG connect kit For control output port. Air outlet shutter Installed at the air outlet when 3- UTR-YDZK plate directions mode is performed.
  • Page 65 Exterior Part name Model name Summary Remotely manage an air conditioning system using mobile devices such as Wireless LAN UTY-TFSXZ1 smartphones and tablets. adapter For connection indoor unit with UART interface. For connection between indoor unit Modbus UTY-VMSX with UART interface and a Modbus converter open network.
  • Page 66 - 60 - 11-3. Others 11. Optional parts...

  • Page 67: Part 2. Outdoor Unit

    Part 2. OUTDOOR UNIT SINGLE TYPE: AOYG24KBTB AOYG30KBTB AOYG36KBTB AOYG45KBTB AOYG54KBTB...

  • Page 68: Specifications

    1. Specifications Type Inverter heat pump Model name AOYG24KBTB Power supply 230 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Starting current Cooling 2,700 Airflow rate Heating 2,700 Type × Q'ty Propeller × 1 Motor output Cooling Sound pressure level *1...
  • Page 69 Type Inverter heat pump Model name AOYG30KBTB AOYG36KBTB Power supply 230 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Starting current 11.1 12.9 Cooling 3,750 Airflow rate Heating 3,750 Type × Q'ty Propeller × 1 Motor output Cooling Sound pressure level *1...
  • Page 70 Type Inverter heat pump Model name AOYG45KBTB AOYG54KBTB Power supply 230 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Starting current 16.0 19.4 Cooling 4,450 4,450 Airflow rate Heating 4,450 4,450 Type × Q'ty Propeller ×...

  • Page 71: Dimensions

    2. Dimensions 2-1. Model: AOYG24KBTB Unit: mm 4-M10 hole Pitch of bolts for installation Top view Side view Front view Side view Airflow Drain port Ø42 Bottom view Side view (Valve part) - 65 - 2-1. Model: AOYG24KBTB 2. Dimensions...

  • Page 72: Models: Aoyg30Kbtb And Aoyg36Kbtb

    2-2. Models: AOYG30KBTB and AOYG36KBTB Unit: mm 35.7 Top view 3 Way valve (Liquid) 3 Way valve (Gas) 25 67 Ф28: Cable port Pipe port Ф28: Cable port Ф28: Cable port Ф28: Cable port Ф28: Cable port Ф28: Cable port Pipe port Pipe port Front view...

  • Page 73: Models: Aoyg45Kbtb And Aoyg54Kbtb

    2-3. Models: AOYG45KBTB and AOYG54KBTB 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 74: Installation Space

    3. Installation space 3-1. Model: AOYG24KBTB ¢ 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 75  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 3 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 76  Outdoor units installation in multi-row Unit: mm Single parallel unit arrangement Multiple parallel unit arrangement 100 or more 200 or more 1,000 or more 2,000 or more 200 or more 400 or more 500 or more 1,000 or more 200 or more 250 or more 1,000 or more...

  • Page 77: Models: Aoyg30Kbtb, Aoyg36Kbtb, Aoyg45Kbtb, And Aoyg54Kbtb

    3-2. Models: AOYG30KBTB, AOYG36KBTB, AOYG45KBTB, and AOYG54KBTB ¢ 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 78  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 79  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 80: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Models: AOYG24KBTB and AOYG30KBTB Heat exchanger 3-Way ( INDOOR ) valve 2-Way valve Pressure switch 4-Way valve Strainer Expansion valve Heat exchanger Strainer ( OUTDOOR ) : Cooling : Heating : Thermistor (Compressor temperature) : Thermistor (Discharge temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat Exchanger Out temperature) : Thermistor (Room temperature)

  • Page 81: Models: Aoyg36Kbtb, Aoyg45Kbtb, And Aoyg54Kbtb

    4-2. Models: AOYG36KBTB, AOYG45KBTB, and AOYG54KBTB Heat exchanger 3-Way ( INDOOR ) valve 2-Way valve Pressure switch Pressure sensor 4-Way valve Strainer Expansion valve Heat exchanger Strainer ( OUTDOOR ) : Cooling : Heating : Thermistor (Compressor temperature) : Thermistor (Discharge temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat Exchanger Out temperature) : Thermistor (Room temperature)

  • Page 82: Wiring Diagrams

    5. Wiring diagrams 5-1. Model: AOYG24KBTB 5-2. Model: AOYG30KBTB - 76 - 5-1. Model: AOYG24KBTB 5. Wiring diagrams...

  • Page 83: Model: Aoyg36Kbtb

    5-3. Model: AOYG36KBTB 5-4. Models: AOYG45KBTB and AOYG54KBTB - 77 - 5-3. Model: AOYG36KBTB 5. Wiring diagrams...

  • Page 84: 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: AOYG24KBTB NOTE: Values mentioned in the table are calculated based on the maximum capacity.

  • Page 85: Model: Aoyg30Kbtb

    6-2. Model: AOYG30KBTB NOTE: Values mentioned in the table are calculated based on the maximum capacity. Pipe length (m) COOLING — — — — 0.926 0.916 0.906 — — — 0.953 0.942 0.931 0.920 Indoor unit is higher — — 0.979 0.968 0.958...

  • Page 86: Model: Aoyg36Kbtb

    6-3. Model: AOYG36KBTB NOTE: Values mentioned in the table are calculated based on the maximum capacity. Pipe length (m) COOLING — — — — 0.902 0.882 0.862 — — — 0.938 0.917 0.897 0.876 Indoor unit is higher — — 0.973 0.953 0.933...

  • Page 87: Models: Aoyg45Kbtb And Aoyg54Kbtb

    6-4. Models: AOYG45KBTB and AOYG54KBTB 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 —...

  • Page 88: Additional Charge Calculation

    7. Additional charge calculation 7-1. Model: AOYG24KBTB Refrigerant type Refrigerant amount 1,250 ¢ Refrigerant charge Total pipe length 20 or less 30 (Max.) 20 g/m Additional charge amount 7-2. Models: AOYG30KBTB and AOYG36KBTB Refrigerant type Refrigerant amount 1,900 ¢ Refrigerant charge Total pipe length 30 or less 50 (Max.)

  • Page 89: Airflow

    8. Airflow 8-1. Model: AOYG24KBTB  Cooling 2,700 1,589  Heating 2,700 1.589 8-2. Models: AOYG30KBTB and AOYG36KBTB  Cooling 3,750 1,042 2,207  Heating 3,750 1,042 2,207 8-3. Models: AOYG45KBTB and AOYG54KBTB  Cooling 4,450 1,236 2,619  Heating 4,450 1,236 2,619...

  • Page 90: Operation Noise (Sound Pressure)

    9. Operation noise (sound pressure) 9-1. Noise level curve ¢ Model: AOYG24KBTB  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 91 ¢ Model: AOYG36KBTB  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 2,000 4,000 8,000 Octave band center frequency, Hz Octave band center frequency, Hz ¢...
  • Page 92 ¢ Model: AOYG54KBTB  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 2,000 4,000 8,000 Octave band center frequency, Hz Octave band center frequency, Hz - 86 - 9-1.

  • Page 93: 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. - 87 - 9-2. Sound level check point 9. Operation noise (sound pressure)

  • Page 94: Electrical Characteristics

    10. Electrical characteristics Model name AOYG24KBTB Voltage 230 ~ Power supply Frequency Max operating current *1 13.6 Starting current Circuit breaker current Power cable Wiring spec. *2 Cross-sectional area Connection cable *3 Limited wiring length Model name AOYG30KBTB AOYG36KBTB Voltage 230 ~ Power supply...

  • Page 95: Safety Devices

    11. Safety devices Model Type of Protection form protection AOYG24KBTB 250 V, 25 A Circuit Current fuse 250 V, 5 A protection (Main PCB) 250 V, 3.15 A 125 ±10 °C Activate Fan motor stop Fan motor Thermal protection program protection 120 ±10°C Reset...
  • Page 96 Model Type of Protection form AOYG45KBTB protection AOYG54KBTB 250 V, 30 A or 35.5 A Circuit Current fuse 250 V, 3.15 A protection (Main PCB) 250 V, 10 A × 2 150 ±15 °C Activate Fan motor stop Fan motor Thermal protection program protection 120 ±15°C...

  • Page 97: External Input And Output (30-54 Models)

    12. External input and output (30-54 models) 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 98 ¢ 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 99: 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 100 ¢ 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 101: Function Settings (30-54 Models)

    13. Function settings (30-54 models) 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 102 ¢ 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 103 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 104 ¢ 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 105 14. Accessories 14-1. Model: AOYG24KBTB Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Drain pipe 14-2. Models: AOYG30KBTB, AOYG36KBTB, AOYG45KBTB, and AOYG54KBTB Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Drain cap Drain pipe One-touch bush - 99 - 14-1.
  • Page 106 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 (For 30-54 models) - 100 - 15. Optional parts...

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