Fujitsu GENERAL ABHG18KRTA Design & Technical Manual
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Fujitsu GENERAL ABHG18KRTA Design & Technical Manual

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AIR CONDITIONER
Ceiling type
DESIGN & TECHNICAL MANUAL
INDOOR
ABHG18KRTA
ABHG22KRTA
OUTDOOR
AOHG18KATA
ABHG24KRTA
ABHG30KRTA
AOHG22KATA
AOHG24KATA
ABHG36KRTA
ABHG45KRTA
AOHG30KATA
AOHG36KATA
AOHG45KATA
DR_AB014EG_01
2020.03.27
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Summary of Contents for Fujitsu GENERAL ABHG18KRTA

  • Page 1 AIR CONDITIONER Ceiling type DESIGN & TECHNICAL MANUAL INDOOR ABHG18KRTA ABHG24KRTA ABHG36KRTA ABHG22KRTA ABHG30KRTA ABHG45KRTA OUTDOOR AOHG18KATA AOHG22KATA AOHG30KATA AOHG45KATA AOHG24KATA AOHG36KATA DR_AB014EG_01 2020.03.27...
  • 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....................8 2-1. Models: ABHG18KRTA and ABHG22KRTA ..............8 2-2. Models: ABHG24KRTA and ABHG30KRTA ..............9 2-3. Models: ABHG36KRTA and ABHG45KRTA ..............10 2-4. Installation space requirement ..................11 3. Wiring diagrams ..................12 3-1. Models: ABHG18KRTA, ABHG22KRTA, ABHG24KRTA, and ABHG30KRTA....12 3-2.
  • Page 4 CONTENTS (continued) Part 2. OUTDOOR UNIT..............61 1. Specifications....................62 2. Dimensions....................64 2-1. Model: AOHG18KATA ....................64 2-2. Models: AOHG22KATA and AOHG24KATA..............65 2-3. Models: AOHG30KATA and AOHG36KATA..............66 2-4. Model: AOHG45KATA ....................67 3. Installation space ..................68 3-1. Models: AOHG18KATA, AOHG22KATA, and AOHG24KATA........68 3-2. Models: AOHG30KATA, AOHG36KATA, and AOHG45KATA........71 4.
  • Page 5 CONTENTS (continued) 9-1. Noise level curve......................91 9-2. Sound level check point ....................94 10. Electrical characteristics ................95 11. Safety devices .....................96 12. External input and output (30-45 models)..........97 12-1.External input ........................97 12-2.External output......................99 13. Function settings (30-45 models) ............101 13-1.Control PCB and switch buttons location ..............101 13-2.Local setting procedure....................103 14.

  • Page 7: Part 1. Indoor Unit

    Part 1. INDOOR UNIT CEILING TYPE: ABHG18KRTA ABHG22KRTA ABHG24KRTA ABHG30KRTA ABHG36KRTA ABHG45KRTA...

  • Page 8: Specifications

    1. Specifications Ceiling Type Inverter heat pump Model name ABHG18KRTA ABHG22KRTA Power supply 230 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Rated Btu/h 17,700 20,500 Cooling 0.9—5.4 0.9—6.3 Min.—Max. Btu/h 3,100—18,400 3,100—21,400 Capacity Rated Btu/h 20,500...
  • Page 9 Specifications for ErP Lot10 Model name ABHG18KRTA ABHG22KRTA Cooling Energy efficiency class Heating (Average) Cooling 5.2 (35°C) 6.0 (35°C) Pdesign Heating (Average) 3.8 (-10°C) 4.4 (-10°C) SEER Cooling kWh/kWh SCOP Heating (Average) Annual energy consumption kWh/a QHE (Average) 1,398 1,618 Cooling Sound power level HIGH...
  • Page 10 Ceiling Type Inverter heat pump Model name ABHG24KRTA ABHG30KRTA Power supply 230 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Rated Btu/h 23,200 29,000 Cooling 0.9—7.4 2.8—9.6 Min.—Max. Btu/h 3,100—25,200 9,600—32,700 Capacity 10.0 Rated Btu/h 25,600 34,100...
  • Page 11 Specifications for ErP Lot10 Model name ABHG24KRTA ABHG30KRTA Cooling Energy efficiency class Heating (Average) Cooling 6.8 (35°C) 8.5 (35°C) Pdesign Heating (Average) 5.4 (-10°C) 8.0 (-10°C) SEER Cooling kWh/kWh SCOP Heating (Average) Annual energy consumption kWh/a QHE (Average) 1,935 2,871 Cooling Sound power level HIGH...
  • Page 12 Ceiling Type Inverter heat pump Model name ABHG36KRTA ABHG45KRTA Power supply 230 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V 12.1 Rated Btu/h 32,400 41,300 Cooling 2.8—10.6 4.0—12.6 Min.—Max. Btu/h 9,600—36,100 13,600—43,000 Capacity 10.8 13.5 Rated Btu/h...
  • Page 13 Specifications for ErP Lot10 Model name ABHG36KRTA Cooling Energy efficiency class Heating (Average) Cooling 9.5 (35°C) Pdesign Heating (Average) 8.7 (-10°C) SEER Cooling kWh/kWh SCOP Heating (Average) Annual energy consump- kWh/a tion QHE (Average) 3,117 Cooling Sound power level HIGH dB (A) Heating - 7 -...

  • Page 14: Dimensions

    2. Dimensions 2-1. Models: ABHG18KRTA and ABHG22KRTA Unit: mm 1,080 49 84 125 103 Side view Top view ø100-mm hole Rear view Suspension bolt pitch Dimensions Indoor unit (Top view) (Space required for installation) The length of the bolt here is 30 mm. Indoor unit - 8 - 2-1.

  • Page 15: Models: Abhg24Krta And Abhg30Krta

    2-2. Models: ABHG24KRTA and ABHG30KRTA Unit: mm 1,390 1,233 49 84 125 103 Side view Top view ø100-mm hole Rear view Suspension bolt pitch 1,233 Dimensions (Space required for installation) Indoor unit (Top view) The length of the bolt here is 30 mm. Indoor unit - 9 - 2-2.

  • Page 16: Models: Abhg36Krta And Abhg45Krta

    2-3. Models: ABHG36KRTA and ABHG45KRTA 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 - 10 - 2-3.

  • Page 17: Installation Space Requirement

    2-4. 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 (m) Ceiling mode Standard High ceiling 18, 22, 24, and 30 models...

  • Page 18: Wiring Diagrams

    3. Wiring diagrams 3-1. Models: ABHG18KRTA, ABHG22KRTA, ABHG24KRTA, and ABHG30KRTA - 12 - 3-1. Models: ABHG18KRTA, ABHG22KRTA, ABHG24KRTA, and ABHG30KRTA 3. Wiring diagrams...

  • Page 19: Models: Abhg36Krta And Abhg45Krta

    3-2. Models: ABHG36KRTA and ABHG45KRTA - 13 - 3-2. Models: ABHG36KRTA and ABHG45KRTA 3. Wiring diagrams...

  • Page 20: 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 21 ¢ Model: ABHG30KRTA 1,400 Indoor temperature °CDB °CWB °CDB 6.05 4.19 1.44 6.26 4.19 1.47 6.41 4.20 1.49 6.76 4.40 1.52 7.12 4.60 1.54 7.52 4.76 1.56 8.12 4.97 1.60 5.79 4.05 1.94 6.00 4.06 1.98 6.13 4.07 2.02 6.47 4.26 2.05 6.82...

  • Page 22: Heating Capacity

    4-2. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. ¢ Model: ABHG18KRTA Indoor temperature °CDB °CDB °CWB 4.24 1.38 4.14 1.40 4.04 1.43 3.94 1.46 3.84 1.49 4.78 1.46 4.67 1.49 4.55 1.52 4.44 1.55 4.33...
  • Page 23 ¢ Model: ABHG30KRTA 1,400 Indoor temperature °CDB °CDB °CWB 6.85 2.80 6.82 2.81 6.79 2.81 6.62 2.81 6.17 2.82 7.83 3.03 7.80 3.03 7.76 3.04 7.56 3.04 7.07 3.05 8.81 3.26 8.78 3.26 8.75 3.26 8.51 3.27 7.96 3.28 9.36 3.50 9.32 3.51...

  • Page 24: Fan Performance

    5. Fan performance 5-1. Air velocity and temperature distributions ¢ Model: ABHG18KRTA 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 25 ¢ Model: ABHG22KRTA 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 Side view 0.25 Vertical airflow direction louver: Up Horizontal airflow direction louver: Center...
  • Page 26 ¢ Model: ABHG24KRTA 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 Side view Vertical airflow direction louver: Up Horizontal airflow direction louver: Center 0.25...
  • Page 27 ¢ Model: ABHG30KRTA 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 Side view Vertical airflow direction louver: Up Horizontal airflow direction louver: Center...
  • Page 28 ¢ Model: ABHG36KRTA 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 Side view Vertical airflow direction louver: Up Horizontal airflow direction louver: Center...
  • Page 29 ¢ Model: ABHG45KRTA 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 Side view Vertical airflow direction louver: Up Horizontal airflow direction louver: Center...

  • Page 30: 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: ABHG18KRTA  Cooling Fan speed Airflow HIGH QUIET  Heating Fan speed Airflow HIGH...
  • Page 31 ¢ Model: ABHG22KRTA  Cooling Fan speed Airflow HIGH QUIET  Heating Fan speed Airflow HIGH QUIET - 25 - 5-2. Airflow 5. Fan performance...
  • Page 32 ¢ Model: ABHG24KRTA  Cooling Fan speed Airflow 1,230 HIGH QUIET  Heating Fan speed Airflow 1,230 HIGH QUIET - 26 - 5-2. Airflow 5. Fan performance...
  • Page 33 ¢ Model: ABHG30KRTA  Cooling Fan speed Airflow 1,400 HIGH 1,120 QUIET  Heating Fan speed Airflow 1,400 HIGH 1,120 QUIET - 27 - 5-2. Airflow 5. Fan performance...
  • Page 34 ¢ Model: ABHG36KRTA  Cooling Fan speed Airflow 1,850 HIGH 1,089 1,470 1,300 1,050 QUIET  Heating Fan speed Airflow 1,800 HIGH 1,059 1,470 1,300 1,050 QUIET - 28 - 5-2. Airflow 5. Fan performance...
  • Page 35 ¢ Model: ABHG45KRTA  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 - 29 - 5-2. Airflow 5. Fan performance...

  • Page 36: Fresh Air Characteristics

    5-3. Fresh air characteristics ¢ Airflow volume - Static pressure of Fresh air intake characteristics  Models: ABHG18KRTA and ABHG22KRTA 50.0 100.0 150.0 200.0 250.0 300.0 350.0 Airflow rate (m  Models: ABHG24KRTA and ABHG30KRTA 50.0 100.0 150.0 200.0 250.0 300.0 350.0 Airflow rate (m...
  • Page 37  Models: ABHG36KRTA and ABHG45KRTA 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) Static pressure loss increase amount of fresh air intake duct system for airflow amount Q...
  • Page 38 ¢ 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. - 32 - 5-3.

  • Page 39: Operation Noise (Sound Pressure)

    6. Operation noise (sound pressure) 6-1. Noise level curve ¢ Model: ABHG18KRTA  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 HIGH HIGH NC-50 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 1,000...
  • Page 40 ¢ Model: ABHG24KRTA  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 HIGH HIGH NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 QUIET QUIET 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 41 ¢ Model: ABHG36KRTA  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 HIGH 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 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 42: Sound Level Check Point

    6-2. Sound level check point Microphone Microphone - 36 - 6-2. Sound level check point 6. Operation noise (sound pressure)

  • Page 43: Safety Devices

    7. Safety devices Model Type of protection Protection form ABHG18KRTA ABHG22KRTA 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 Model Type of protection Protection form ABHG24KRTA ABHG30KRTA...

  • Page 44: 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 45 ¢ 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 46: 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 47: 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 48 ¢ 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 49: 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 50  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 51  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 52 ¢ 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 53 ¢ 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 54 ¢ 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 55: 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 56: 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 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 For the specific height for each setting value, refer to “Installation space” in Chapter 2. "Dimensions"...
  • Page 58 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 59 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 60 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 - 54 -...

  • Page 61: Accessories

    11. Accessories 11-1. Models: ABHG18KRTA and ABHG22KRTA 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 Remote controller cable (with spring lock hole cap...

  • Page 62: 11-2.Models: Abhg24Krta, Abhg30Krta, Abhg36Krta, And Abhg45Krta

    11-2. Models: ABHG24KRTA, ABHG30KRTA, ABHG36KRTA, and ABHG45KRTA 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 Remote controller cable (with spring lock hole cap...

  • Page 63: 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-RNRGZ* 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 64: 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-FX24A • For liquid: 6.35 mm (1/4 in) assembly • For gas: 12.70 mm (1/2 in) For piping of upward direction only.
  • Page 65 Exterior Part name Model name Summary For connection between indoor unit KNX converter UTY-VKSX with UART interface and a KNX open network. 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...
  • Page 66 - 60 - 12-2. Others 12. Optional parts...

  • Page 67: Part 2. Outdoor Unit

    Part 2. OUTDOOR UNIT SINGLE TYPE: AOHG18KATA AOHG22KATA AOHG24KATA AOHG30KATA AOHG36KATA AOHG45KATA...

  • Page 68: Specifications

    1. Specifications Type Inverter heat pump Model name AOHG18KATA AOHG22KATA AOHG24KATA Power supply 230 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Starting current Cooling 1,710 2,240 2,885 Airflow rate Heating 1,840 2,240 2,350 Type ×...
  • Page 69 Type Inverter heat pump Model name AOHG30KATA AOHG36KATA AOHG45KATA Power supply 230 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Starting current 12.6 13.8 21.3 Cooling 3,750 4,450 Airflow rate Heating 3,750 4,450 Type × Q'ty Propeller fan ×...

  • Page 70: Dimensions

    2. Dimensions 2-1. Model: AOHG18KATA 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) - 64 - 2-1. Model: AOHG18KATA 2. Dimensions...

  • Page 71: Models: Aohg22Kata And Aohg24Kata

    2-2. Models: AOHG22KATA and AOHG24KATA 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 - 2-2. Models: AOHG22KATA and AOHG24KATA 2.

  • Page 72: Models: Aohg30Kata And Aohg36Kata

    2-3. Models: AOHG30KATA and AOHG36KATA 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: Model: Aohg45Kata

    2-4. Model: AOHG45KATA 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 74: Installation Space

    3. Installation space 3-1. Models: AOHG18KATA, AOHG22KATA, and AOHG24KATA ¢ 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: Aohg30Kata, Aohg36Kata, And Aohg45Kata

    3-2. Models: AOHG30KATA, AOHG36KATA, and AOHG45KATA ¢ 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. Model: AOHG18KATA Heat exchanger 3-way (INDOOR) valve 2-way Muffler valve Muffler 4-way valve Strainer Expansion valve Heat exchanger Strainer (OUTDOOR) Cooling Heating : Thermistor (Discharge temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat exchanger out temperature) : Thermistor (Heat exchanger middle temperature) : Thermistor (Room temperature) : Thermistor (Pipe temperature)

  • Page 81: Model: Aohg22Kata

    4-2. Model: AOHG22KATA Heat exchanger 3-way (INDOOR) valve 2-way valve Muffler Muffler Strainer 4-way valve Expansion valve Accumulator Heat exchanger Strainer (OUTDOOR) Cooling Heating : Thermistor (Discharge temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat exchanger out temperature) : Thermistor (Heat exchanger middle temperature) : Thermistor (Room temperature) : Thermistor (Pipe temperature) - 75 -...

  • Page 82: Model: Aohg24Kata

    4-3. Model: AOHG24KATA Heat exchanger 3-way (INDOOR) valve 2-way Muffler valve Muffler Pressure switch 4-way valve Strainer Expansion valve Accumulator Heat exchanger Strainer (OUTDOOR) Cooling Heating : Thermistor (Compressor temperature) : Thermistor (Discharge temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat exchanger out temperature) : Thermistor (Heat exchanger middle temperature) : Thermistor (Room temperature) : Thermistor (Pipe temperature)

  • Page 83: Models: Aohg30Kata, Aohg36Kata, And Aohg45Kata

    4-4. Models: AOHG30KATA, AOHG36KATA, and AOHG45KATA Heat exchanger 3-Way -Way ( INDOOR ) valve 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 84: Wiring Diagrams

    5. Wiring diagrams 5-1. Model: AOHG18KATA - 78 - 5-1. Model: AOHG18KATA 5. Wiring diagrams...

  • Page 85: Model: Aohg22Kata

    5-2. Model: AOHG22KATA 5-3. Model: AOHG24KATA - 79 - 5-2. Model: AOHG22KATA 5. Wiring diagrams...

  • Page 86: Models: Aohg30Kata And Aohg36Kata

    5-4. Models: AOHG30KATA and AOHG36KATA - 80 - 5-4. Models: AOHG30KATA and AOHG36KATA 5. Wiring diagrams...

  • Page 87: Model: Aohg45Kata

    5-5. Model: AOHG45KATA - 81 - 5-5. Model: AOHG45KATA 5. Wiring diagrams...

  • Page 88: 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: AOHG18KATA NOTE: Values mentioned in the table are calculated based on the maximum capacity.

  • Page 89: Model: Aohg22Kata

    6-2. Model: AOHG22KATA NOTE: Values mentioned in the table are calculated based on the maximum capacity. Pipe length (m) COOLING — — — — 0.932 0.930 — — — 0.953 0.950 0.947 Indoor unit is higher than — — 0.983 0.968 0.966 0.962...

  • Page 90: Model: Aohg24Kata

    6-3. Model: AOHG24KATA NOTE: Values mentioned in the table are calculated based on the maximum capacity. Pipe length (m) COOLING — — — — 0.909 0.909 — — — 0.953 0.950 0.947 Indoor unit is higher — — 0.983 0.968 0.966 0.962 than outdoor unit *...

  • Page 91: Model: Aohg30Kata

    6-4. Model: AOHG30KATA NOTE: Values mentioned in the table are calculated based on the maximum capacity. Pipe length (m) COOLING — — — — 0.926 — — — 0.953 0.942 Indoor unit is higher — — 0.979 0.968 0.958 than outdoor unit *1 —...

  • Page 92: Model: Aohg36Kata

    6-5. Model: AOHG36KATA NOTE: Values mentioned in the table are calculated based on the maximum capacity. Pipe length (m) COOLING — — — — 0.902 — — — 0.938 0.917 Indoor unit is higher — — 0.973 0.953 0.933 than outdoor unit *1 —...

  • Page 93: Model: Aohg45Kata

    6-6. Model: AOHG45KATA NOTE: Values mentioned in the table are calculated based on the maximum capacity. Pipe length (m) COOLING — — — — 0.900 — — — 0.937 0.915 Indoor unit is higher — — 0.973 0.952 0.931 than outdoor unit *1 —...

  • Page 94: Additional Charge Calculation

    7. Additional charge calculation 7-1. Model: AOHG18KATA Refrigerant type Refrigerant amount Refrigerant charge Total pipe length 15 or less 20 (Max.) 20 g/m Additional charge amount 7-2. Model: AOHG22KATA Refrigerant type Refrigerant amount 1,100 Refrigerant charge Total pipe length 15 or less 25 (Max.) 20 g/m Additional charge amount...

  • Page 95: Airflow

    8. Airflow 8-1. Model: AOHG18KATA  Cooling 1,710 1,007  Heating 1,840 1,083 8-2. Model: AOHG22KATA  Cooling 2,240 1,318  Heating 2,240 1,318 8-3. Model: AOHG24KATA  Cooling 2,885 1,698  Heating 2,350 1,383 - 89 - 8-1. Model: AOHG18KATA 8.

  • Page 96: Models: Aohg30Kata And Aohg36Kata

    8-4. Models: AOHG30KATA and AOHG36KATA  Cooling 3,750 1,042 2,207  Heating 3,750 1,042 2,207 8-5. Model: AOHG45KATA  Cooling 4,450 1,236 2,619  Heating 4,450 1,236 2,619 - 90 - 8-4. Models: AOHG30KATA and AOHG36KATA 8. Airflow...

  • Page 97: Operation Noise (Sound Pressure)

    9. Operation noise (sound pressure) 9-1. Noise level curve ¢ Model: AOHG18KATA  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 98 ¢ Model: AOHG24KATA  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 99 ¢ Model: AOHG36KATA  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 100: 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. - 94 - 9-2. Sound level check point 9. Operation noise (sound pressure)

  • Page 101: Electrical Characteristics

    10. Electrical characteristics Model name AOHG18KATA AOHG22KATA AOHG24KATA Voltage 230 ~ Power supply Frequency Max operating current *1 10.1 11.6 12.6 Starting current Circuit breaker current Wiring Power cable spec. Cross-sectional area Connection cable *3 Limited wiring length Model name AOHG30KATA AOHG36KATA AOHG45KATA...

  • Page 102: Safety Devices

    11. Safety devices Model Type of Protection form protection AOHG18KATA AOHG22KATA AOHG24KATA 250 V, 25 A Circuit 250 V, 20 A 250 V, 25 A Current fuse (Main PCB) 250 V, 5 A protection 250 V, 5 A 250 V, 5 A 250 V, 3.15 A 127 ±5 °C 125 ±10 °C...

  • Page 103: External Input And Output (30-45 Models)

    12. External input and output (30-45 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 104 ¢ 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 105: 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 106 ¢ 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 107: Function Settings (30-45 Models)

    13. Function settings (30-45 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 108 ¢ 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 109: 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 110 ¢ 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 111: Accessories

    14. Accessories 14-1. Models: AOHG18KATA, AOHG22KATA, and AOHG24KATA Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Drain pipe - 105 - 14-1. Models: AOHG18KATA, AOHG22KATA, and AOHG24KATA 14. Accessories...

  • Page 112: 14-2.Models: Aohg30Kata, Aohg36Kata, And Aohg45Kata

    14-2. Models: AOHG30KATA, AOHG36KATA, and AOHG45KATA Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Drain cap Drain pipe One-touch bush - 106 - 14-2. Models: AOHG30KATA, AOHG36KATA, and AOHG45KATA 14. Accessories...

  • Page 113: 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 (For 30-45 models) - 107 - 15. Optional parts...

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