Fujitsu ASYG18KMTE Design & Technical Manual
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Fujitsu ASYG18KMTE Design & Technical Manual

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AIR CONDITIONER
Wall mounted type
DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
ASYG18KMTE
ASYG24KMTE
AOYG18KMTA
AOYG24KMTA
DR_AS155EF_01
2022.03.10

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  • Page 1 AIR CONDITIONER Wall mounted type DESIGN & TECHNICAL MANUAL INDOOR ASYG18KMTE ASYG24KMTE OUTDOOR AOYG18KMTA AOYG24KMTA DR_AS155EF_01 2022.03.10...
  • 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: ASYG18KMTE and ASYG24KMTE ..............4 3. Wiring diagrams ....................6 3-1. Models: ASYG18KMTE and ASYG24KMTE..............6 4. Capacity table....................7 4-1. Cooling capacity.......................7 4-2. Heating capacity ......................8 5. Fan performance ...................9 5-1. Air velocity distributions....................9 5-2.
  • Page 4 CONTENTS (continued) Part 2. OUTDOOR UNIT..............43 1. Specifications....................44 2. Dimensions....................45 2-1. Model: AOYG18KMTA....................45 2-2. Model: AOYG24KMTA....................46 3. Installation space ..................47 3-1. Models: AOYG18KMTA and AOYG24KMTA..............47 4. Refrigerant circuit ..................50 4-1. Model: AOYG18KMTA....................50 4-2. Model: AOYG24KMTA....................51 5. Wiring diagrams ..................52 5-1. Model: AOYG18KMTA....................52 5-2.

  • Page 5: Part 1. Indoor Unit

    Part 1. INDOOR UNIT WALL MOUNTED TYPE: ASYG18KMTE ASYG24KMTE...

  • Page 6: Specifications

    1. Specifications Wall mounted Type Inverter heat pump Model name ASYG18KMTE ASYG24KMTE Power supply 230 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V 5.20 7.10 Rated Btu/h 17,700 24,200 Cooling 0.90—6.00 0.90—8.30 Min.—Max. Btu/h 3,100—20,500...
  • Page 7 Specifications for ErP Lot10 Model name ASYG18KMTE ASYG24KMTE Cooling Energy efficiency class Heating (Average) Cooling 5.2 (35°C) 7.1 (35°C) Pdesign Heating (Average) 4.8 (-10°C) 7.1 (-10°C) SEER Cooling 7.77 7.30 kWh/kWh SCOP Heating (Average) 4.60 4.20 Annual energy consumption kWh/a...

  • Page 8: Dimensions

    2. Dimensions 2-1. Models: ASYG18KMTE and ASYG24KMTE Unit: mm Outline of indoor unit for pipe inlet Ø65 for pipe inlet Ø65 - 4 - 2-1. Models: ASYG18KMTE and ASYG24KMTE 2. Dimensions...
  • Page 9 40 or more Wall hook bracket 70 or more 117 or more Outline of the indoor unit 160 or more 1,500 or more The flare connection part should be installed outdoors. - 5 - 2-1. Models: ASYG18KMTE and ASYG24KMTE 2. Dimensions...

  • Page 10: Wiring Diagrams

    3. Wiring diagrams 3-1. Models: ASYG18KMTE and ASYG24KMTE - 6 - 3-1. Models: ASYG18KMTE and ASYG24KMTE 3. Wiring diagrams...

  • Page 11: Capacity Table

    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. Cooling capacity ¢ Model: ASYG18KMTE Indoor temperature °CDB °CWB °CDB...

  • Page 12: Heating Capacity

    4-2. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. ¢ Model: ASYG18KMTE 1,020 Indoor temperature °CDB °CWB 5.17 1.92 5.04 1.96 4.90 2.00 4.76 2.04 4.63 2.08 4.49 2.12 4.36 2.16 6.23 1.89 6.06...

  • Page 13: Fan Performance

    5. Fan performance 5-1. Air velocity distributions ¢ Model: ASYG18KMTE Fan speed Operation mode Measuring conditions HIGH (ft) Unit: ft/s (m/s) Top view 7 (2.0) 3 (1.0) 2 (0.5) Vertical airflow direction louver: Up Horizontal airflow direction louver: Center (ft)
  • Page 14 ¢ Model: ASYG24KMTE Fan speed Operation mode Measuring conditions HIGH Unit: m/s Top view Vertical airflow direction louver: Up Horizontal airflow direction louver: Center Unit: m/s Top view Vertical airflow direction louver: Up Horizontal airflow direction louver: Left & Right Unit: m/s Side view Vertical airflow direction louver: Up...

  • Page 15: Airflow

    5-2. Airflow ¢ Model: ASYG18KMTE  Cooling Fan speed Airflow HIGH QUIET  Heating Fan speed Airflow 1,020 HIGH QUIET - 11 - 5-2. Airflow 5. Fan performance...
  • Page 16 ¢ Model: ASYG24KMTE  Cooling Fan speed Airflow 1,170 HIGH QUIET  Heating Fan speed Airflow 1,170 HIGH QUIET - 12 - 5-2. Airflow 5. Fan performance...

  • Page 17: Operation Noise (Sound Pressure)

    6. Operation noise (sound pressure) 6-1. Noise level curve ¢ Model: ASYG18KMTE  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 NC-25 NC-25 QUIET NC-20 NC-20 QUIET...

  • Page 18: Sound Level Check Point

    6-2. Sound level check point Microphone Microphone NOTE: Detailed shape of the actual indoor unit might be slightly different from the one illustrated above. - 14 - 6-2. Sound level check point 6. Operation noise (sound pressure)

  • Page 19: Safety Devices

    7. Safety devices Model Type of Protection form protection ASYG18KMTE ASYG24KMTE Circuit protection Current fuse (PCB*) 250 V, 3.15 A 125 ±24°C Activate Thermal Fan motor stop Fan motor protector protection 100 ±25°C program Reset Fan motor restart *PCB: Printed Circuit Board - 15 - 7.

  • Page 20: External Input And Output

    8. External input and output External input and output PCB Indoor unit PCB CN47 (Ext. out) CN65 (Ext. in/out PCB) CN46 (Ext. in) SW301 SW302 Rotary switch CN314 CN313 CN312 CN311 CN310 CN308 Connection point Input/Output Function Input select Input signal Operation/Stop CN46 Input...

  • Page 21: External Input

    8-1. External input With using external input function, some functions on this product can be controlled from an external device. • “Operation/Stop” mode or "Forced stop" mode can be selected with function setting of indoor unit. • A twisted pair cable should be used. Maximum length of cable is 150 m. •...
  • Page 22 ¢ External input and output PCB The indoor unit Operation/Stop can be set by using the input connector on the PCB. • Input select Use either one of these types of connectors according to the application. (Both types of connec- tors cannot be used simultaneously.) –...
  • Page 23 ¢ 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 (SW302) on the External input and output PCB.

  • 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 should be used. Maximum length of cable is 25 m. •...
  • Page 25 ¢ External input and output PCB • A twisted pair cable should be used. Maximum length of cable is 25 m. • Output voltage: High DC 12 V±2 V, Low 0 V. • Permissible current: 50 mA • For details, refer to "Setting of external input and output"...

  • Page 26: Setting Of External Input And Output

    8-3. Setting of external input and output • Indoor unit Input Connection point Function setting number 46 Function Operation/Stop mode 1 (R.C. enabled) (Setting prohibited) CN46 Forced stop mode Operation/Stop mode 2 (R.C. disabled) Output Connection point Function setting number 60 Function Operation status 01 to 08...

  • Page 27: Details Of Control Input Function

    8-4. Details of control input function ¢ Operation/Stop mode 1 • In the case of "Edge" input External input and output PCB Function External input Input signal Command setting Rotary SW302 switch Off → On Operation — Input of indoor unit CN46 On →...
  • Page 28 ¢ Forced stop • In the case of "Edge" input External input and output PCB Function External input Input signal Command setting Rotary SW302 switch Forced stop Off → On (R.C. disabled) — Input of indoor unit CN46 Normal On → Off (R.C.
  • Page 29 NOTES: • When the forced stop is triggered, indoor unit stops and Operation/Stop operation by the remote controller is restricted. • When forced stop function is used with forming a remote controller group, connect the same equipment to each indoor unit within the group. ¢...
  • Page 30 NOTE: When “Operation/Stop” mode 2 function is used with forming a remote controller group, connect the same equipment to each indoor unit within the group. ¢ Forced thermostat off External input and output External input Input signal Command Rotary switch Off →...

  • Page 31: Details Of Control Output Function

    8-5. Details of control output function ¢ Operation status External input and Function output PCB External output Output signal Status setting Rotary switch Off → On Operation 60-00 1, 2 Output of indoor unit CN47 On → Off Stop Off → On Operation External input and —...
  • Page 32 ¢ Indoor unit fan operation status External input and Function output PCB External output Output signal Status setting Rotary switch Off → On Fan run 60-10 Output of indoor unit CN47 On → Off Fan stop Off → On Fan run External input and —...

  • Page 33: Group Connection

    9. Group connection NOTE: Group control cannot be used together with Wireless LAN adapter. 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: Remote Controller

    10. Remote controller 10-1. Wireless remote controller ¢ Overview Signal transmitter MODE button FAN button 10°C HEAT button SWING button ECONOMY button TEMP. button OUTDOOR UNIT SET button LOW NOISE button POWERFUL button WEEKLY button TIMER SETTING button Start/Stop button ON/OFF button SEND button SLEEP button...
  • Page 35 ¢ Specifications  Controller Unit: mm Top view Front view Side view Size (H × W × D) 205 × 61 × 17 Weight 125 (without batteries)  Holder Unit: mm 48.5 Ø 3.5 (Hole) Hole 26.2 69.3 Front View Side View Bottom View Size (H ×...

  • Page 36: Function Settings

    11. 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. 11-1. 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 37 NOTES: • The air conditioner custom code is set to prior to shipment. • If you do not know the air conditioner custom code setting, try each of the custom codes ( → → → ) until you find the code that operates the air conditioner. ¢...
  • Page 38 2) 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 of the room temperature sensor is corrected as follows: Corrected temp.
  • Page 39 3) 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 40 6) 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 ♦ 7) External input control "Operation/Stop" mode or "Forced stop" mode can be selected. Function number Setting value Setting description...
  • Page 41 10) 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 (Setting prohibited) - 37 -...

  • Page 42: 11-2.Custom Code Setting For Wireless Remote Controller

    11-2. Custom code setting for wireless remote controller To interconnect the air conditioner and the wireless remote controller, assignment of the custom code for the wireless remote controller is required. NOTE: Air conditioner cannot receive a signal if the air conditioner has not been set for the custom code.

  • Page 43: Accessories

    12. Accessories 12-1. Models: ASYG18KMTE and ASYG24KMTE Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Cloth tape Operating manual Tapping screw (large) (CD-ROM) Installation manual Tapping screw (small) Remote controller Wall hook bracket Remote controller Filter holder holder...

  • Page 44: Optional Parts

    13. Optional parts 13-1. Controllers Exterior Part name Model name Summary Easy finger touch operation with LCD panel. Backlit LCD enables easy operation in a dark room. Wired remote UTY-RNRYZ* Wire type: Non-polar 2-wire controller Optional communication kit is necessary for installation. High visibility and easy operation.

  • Page 45: 13-2.Others

    13-2. Others Exterior Part name Model name Summary Use to connect with various peripheral devices and air conditioner PCB. External UTY-XWZX connect kit Connecting point: CN47 on Main PCB Required when external device is connected. External UTY-XWZXZ5 connect kit Connecting point: CN47 on Main PCB Use to connect with external devices and air conditioner PCB.
  • Page 46 - 42 - 13-2. Others 13. Optional parts...

  • Page 47: Part 2. Outdoor Unit

    Part 2. OUTDOOR UNIT SINGLE TYPE: AOYG18KMTA AOYG24KMTA...

  • Page 48: Specifications

    1. Specifications Type Inverter heat pump Model name AOYG18KMTA AOYG24KMTA Power supply 230 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Starting current Cooling 2,350 3,240 Airflow rate Heating 2,100 2,820 Type × Q'ty Propeller fan ×...

  • Page 49: Dimensions

    2. Dimensions 2-1. Model: AOYG18KMTA 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) - 45 - 2-1. Model: AOYG18KMTA 2. Dimensions...

  • Page 50: Model: Aoyg24Kmta

    2-2. Model: AOYG24KMTA 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) - 46 - 2-2. Model: AOYG24KMTA 2. Dimensions...

  • Page 51: Installation Space

    3. Installation space 3-1. Models: AOYG18KMTA and AOYG24KMTA ¢ 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 52  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 53  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 54: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Model: AOYG18KMTA Heat exchanger 3-way ( INDOOR ) valve 2-way valve Muffler Muffler 4-way valve Strainer Acccumlator Expansion valve Heat exchanger Strainer ( OUTDOOR ) Cooling Heating :Thermistor (Discharge temperature) :Thermistor (Outdoor temperature) :Thermistor (Heat exchanger out temperature) :Thermistor (Pipe temperature) :Thermistor (Room temperature) - 50 -...

  • Page 55: Model: Aoyg24Kmta

    4-2. Model: AOYG24KMTA Heat exchanger 3-way (INDOOR) valve 2-way Muffler valve Muffler Pressure switch Muffler 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 (Pipe temperature) : Thermistor (Room temperature) - 51 -...

  • Page 56: Wiring Diagrams

    5. Wiring diagrams 5-1. Model: AOYG18KMTA 5-2. Model: AOYG24KMTA - 52 - 5-1. Model: AOYG18KMTA 5. Wiring diagrams...

  • Page 57: 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: AOYG18KMTA NOTE: Values mentioned in the table are calculated based on the maximum capacity.

  • Page 58: Model: Aoyg24Kmta

    6-2. Model: AOYG24KMTA NOTE: Values mentioned in the table are calculated based on the maximum capacity. Pipe length (m) COOLING — — — — — 0.893 0.877 — — — — 0.917 0.900 0.885 Indoor unit is higher than — —...

  • Page 59: Additional Charge Calculation

    7. Additional charge calculation 7-1. Model: AOYG18KMTA Refrigerant type Refrigerant amount 1,020 ¢ Refrigerant charge Total pipe length 15 or less 25 (Max.) 20 g/m Additional charge 7-2. Model: AOYG24KMTA Refrigerant type Refrigerant amount 1,320 ¢ Refrigerant charge Total pipe length 15 or less 30 (Max.) 20 g/m...

  • Page 60: Airflow

    8. Airflow 8-1. Model: AOYG18KMTA  Cooling 2,350 1,383  Heating 2,100 1,236 8-2. Model: AOYG24KMTA  Cooling 3,240 1,907  Heating 2,820 1,660 - 56 - 8-1. Model: AOYG18KMTA 8. Airflow...

  • Page 61: Operation Noise (Sound Pressure)

    9. Operation noise (sound pressure) 9-1. Noise level curve ¢ Model: AOYG18KMTA  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 62: 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. - 58 - 9-2. Sound level check point 9. Operation noise (sound pressure)

  • Page 63: Electrical Characteristics

    10. Electrical characteristics Model name AOYG18KMTA AOYG24KMTA Voltage 230 ~ Power supply Frequency Max operating current *1 13.5 16.0 Starting current Circuit breaker current Wiring Power cable spec. Cross-sectional area 1.5—2.5 Connection cable *3 Limited wiring length *1: Maximum operating 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 64: Safety Devices

    11. Safety devices Model Type of Protection form protection AOYG18KMTA AOYG24KMTA 250 V, 25 A Circuit Current fuse (PCB*) 250 V 5 A protection 250 V, 3.15 A 100±15°C Activate Fan motor stop Fan motor Thermal protection program protection 95±10°C Reset Fan motor restart 110°C...

  • Page 65: Accessories

    12. Accessories 12-1. Models: AOYG18KMTA and AOYG24KMTA Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Drain pipe - 61 - 12-1. Models: AOYG18KMTA and AOYG24KMTA 12. Accessories...

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