Fujitsu ARXG22KMLA Design & Technical Manual
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Fujitsu ARXG22KMLA Design & Technical Manual

Fujitsu ARXG22KMLA Design & Technical Manual

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AIR CONDITIONER
Duct type
DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
ARXG22KMLA
AOYG22KBTB
DR_AR030EF_03
2019.07.11

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Summary of Contents for Fujitsu ARXG22KMLA

  • Page 1 AIR CONDITIONER Duct type DESIGN & TECHNICAL MANUAL INDOOR ARXG22KMLA OUTDOOR AOYG22KBTB DR_AR030EF_03 2019.07.11...
  • 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. Model: ARXG22KMLA .....................4 2-2. Installation space requirement ..................4 2-3. Maintenance space requirement..................5 3. Wiring diagrams ....................6 3-1. Model: ARXG22KMLA .....................6 4. Capacity table....................7 4-1. Cooling capacity.......................7 4-2. Heating capacity ......................7 5.
  • Page 4 CONTENTS (continued) Part 2. OUTDOOR UNIT..............31 1. Specifications....................32 2. Dimensions....................33 2-1. Model: AOYG22KBTB ....................33 3. Installation space ..................34 3-1. Model: AOYG22KBTB ....................34 4. Refrigerant circuit ..................37 4-1. Model: AOYG22KBTB ....................37 5. Wiring diagrams ..................38 5-1. Model: AOYG22KBTB ....................38 6. Capacity compensation rate for pipe length and height difference..39 6-1.

  • Page 5: Part 1. Indoor Unit

    Part 1. INDOOR UNIT DUCT TYPE: ARXG22KMLA...

  • Page 6: Specifications

    1. Specifications Duct Type Inverter heat pump Model name ARXG22KMLA Power supply 230 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Rated Btu/h 20,500 Cooling 0.9—6.7 Min.—Max. Btu/h 3,100—22,900 Capacity 7.00 Rated Btu/h 23,900 Heating 0.90—8.00...
  • Page 7 Specifications for ErP Lot10 Model name ARXG22KMLA Cooling Energy efficiency class Heating (Average) Cooling 6.00 (35°C) Pdesign Heating (Average) 4.80 (-10°C) SEER Cooling 6.10 kWh/kWh SCOP Heating (Average) 4.10 Annual energy consumption kWh/a QHE (Average) 1,637 Cooling Sound power level...

  • Page 8: Dimensions

    2. Dimensions 2-1. Model: ARXG22KMLA Unit: mm Φ205 Φ3.2 Front view 1,177 Gas pipe Drain port Liquid pipe Φ200 Drain port Φ5 Φ3.2 80 80 P125 × 3 = 375 P125 × 3 = 375 Φ5 1,015 1,135 Side view (L)

  • Page 9: Maintenance Space Requirement

    For future maintenance and service access, provide sufficient maintenance space. NOTE: Do not place any wiring or illumination in the maintenance space, as they will impede ser- vice. ¢ Model: ARXG22KMLA Unit: mm • Provide a service access for maintenance purposes.

  • Page 10: Wiring Diagrams

    3. Wiring diagrams 3-1. Model: ARXG22KMLA - 6 - 3-1. Model: ARXG22KMLA 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: ARXG22KMLA 1,100 Indoor temperature °CDB °CWB...

  • Page 12: Fan Performance

    5. Fan performance 5-1. Fan performance curve ¢ Model: ARXG22KMLA (Normal mode) Static pressure (Pa) Fan speed Item — — — — — — — 1200 1100 1000 HIGH — — — — — — — — — — —...
  • Page 13 ¢ Model: ARXG22KMLA (Static pressure mode 1) Static pressure (Pa) Fan speed Item — — — — — — 1200 1000 HIGH — — — — — — — — — — — — — — — — 1000 —...
  • Page 14 ¢ Model: ARXG22KMLA (Static pressure mode 2) Static pressure (Pa) Fan speed Item — — — — — — 1160 HIGH — — — — — — — — — — — — — — — — 1020 — —...
  • Page 15 ¢ Model: ARXG22KMLA (Static pressure mode 3) Static pressure (Pa) Fan speed Item — — — — — — 1100 HIGH — — — — — — — — — — — — — — — — 1000 — —...

  • Page 16: Operation Noise (Sound Pressure)

    6. Operation noise (sound pressure) 6-1. Noise level curve ¢ Model: ARXG22KMLA  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 HIGH HIGH NC-30 NC-30 NC-25 NC-25 QUIET QUIET NC-20 NC-20...

  • Page 17: Safety Devices

    7. Safety devices Model Protection form ARXG22KMLA Circuit protection Current fuse (PCB*) 250 V, 5 A 135 ±15 °C Activate Fan motor stop Thermal protection program Fan motor protection 115 ±15 °C Reset Fan motor restart Current protection 1.10—1.42 A...

  • Page 18: External Input And Output

    8. External input and output CN47 (Ext. out) Terminal (Ext. in) Indoor unit PCB External Input connect kit External input and output Connector Input select signal (Optional parts) Operation/Stop External input Terminal Dry contact Edge — Forced stop Operation status Error status External output CN47...

  • Page 19: External Output

    8-2. External output Use an external output cable with appropriate external dimension, depending on the number of ca- bles to be installed. • A twisted pair cable (22AWG) should be used. Maximum length of cable is 25 m. • Output voltage: High DC 12 V ± 2 V, Low 0 V. •...

  • Page 20: Combination Of External Input And Output

    8-3. Combination of external input and output By combining the function setting of the indoor unit, you can select various combinations of func- tions. Combination examples of external input and output are as follows: External input External output Mode Function setting Terminal CN47 60—00...

  • Page 21: Details Of Function

    8-4. Details of function ¢ Control input function • When function setting is "Operation/Stop" mode 1 Function setting External input Input signal Command Off → On Operation 46—00 Terminal On → Off Stop Input Operation Indoor unit Stop Remote controller NOTES: •...
  • Page 22 • When function setting is "Operation/Stop" mode 2 Function setting External input Input signal Command Off → On Operation 46—03 Terminal On → Off Stop (R.C. disabled) Input Operation Indoor unit Stop (R.C. disabled) Remote controller 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.
  • Page 23 ¢ Indoor unit fan operation status Function setting External output Output signal Command Low → High Fan run 60—10 CN47 High → Low Fan stop Output signal Condition The indoor unit fan is operating. Low → High The fan is stopped or during cold air prevention. During thermostat off when in dry mode operation.

  • Page 24: 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. Related components on the PCB and the applicable settings: Component Setting content...
  • Page 25 ¢ DIP switch setting • SW100: Remote controller address setting When operating a number of indoor units by using a wired remote controller, DIP switch set- ting for assigning unit number to each indoor unit is required. The slide switches are normally set to make the unit number 00. Remote Switch number controller...

  • Page 26: 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 27 3) 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 28 5) 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 29 10) 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 30: Accessories

    10. Accessories 10-1. Model: ARXG22KMLA Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Cable tie (medium) Operating manual Cable tie (small) (CD-ROM) Coupler heat insulation Installation manual (large) Coupler heat insulation Hanger (small) M10 nut A Drain hose insulation...

  • Page 31: 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 32: 11-2.Others

    Exterior Part name Model name Summary IR receiver kit with wireless Unit control is performed by wireless UTY-LBTYM remote remote controller. controller NOTE: Available functions may differ by the remote controller. For details, refer to the operation manual. 11-2. Others Exterior Part name Model name...
  • Page 33 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 34 - 30 - 11-2. Others 11. Optional parts...

  • Page 35: Part 2. Outdoor Unit

    Part 2. OUTDOOR UNIT SINGLE TYPE: AOYG22KBTB...

  • Page 36: Specifications

    1. Specifications Type Inverter heat pump Model name AOYG22KBTB Power supply 230 V ~ 50 Hz Available voltage range 198—264 V Starting current Cooling 2,240 Airflow rate Heating 1,960 Type × Q'ty Propeller fan × 1 Motor output Cooling Sound pressure level *1 dB (A) Heating Cooling...

  • Page 37: Dimensions

    2. Dimensions 2-1. Model: AOYG22KBTB 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) - 33 - 2-1. Model: AOYG22KBTB 2. Dimensions...

  • Page 38: Installation Space

    3. Installation space 3-1. Model: AOYG22KBTB ¢ 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 39  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 40  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 41: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Model: AOYG22KBTB Heat exchanger 3-way (INDOOR) valve 2-way Muffler valve Muffler Pressure switch Strainer 4-way valve 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)

  • Page 42: Wiring Diagrams

    5. Wiring diagrams 5-1. Model: AOYG22KBTB - 38 - 5-1. Model: AOYG22KBTB 5. Wiring diagrams...

  • Page 43: 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: AOYG22KBTB NOTE: Values mentioned in the table are calculated based on the maximum capacity.

  • Page 44: Additional Charge Calculation

    7. Additional charge calculation 7-1. Model: AOYG22KBTB Refrigerant type Refrigerant amount 1,250 ¢ Refrigerant charge Total pipe length 20 or less 30 (Max.) 20 g/m Additional charge - 40 - 7-1. Model: AOYG22KBTB 7. Additional charge calculation...

  • Page 45: Airflow

    8. Airflow 8-1. Model: AOYG22KBTB  Cooling 2,240 1,318  Heating 1,960 1,154 - 41 - 8-1. Model: AOYG22KBTB 8. Airflow...

  • Page 46: Operation Noise (Sound Pressure)

    9. Operation noise (sound pressure) 9-1. Noise level curve ¢ Model: AOYG22KBTB  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 47: Electrical Characteristics

    10. Electrical characteristics Model name AOYG22KBTB Voltage 230 ~ Power supply Frequency Max operating current *1 12.6 Starting current Circuit breaker current Power cable Wiring spec. *2 Cross-sectional area 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 48: Safety Devices

    11. Safety devices Model Type of Protection form protection AOYG22KBTB 250 V, 25 A Circuit Current fuse (Main PCB) 250 V, 5 A protection 250 V, 3.15 A 125±10 °C Activate Fan motor stop Fan motor Terminal protection protection program 120±10 °C Reset Fan motor restart...

  • Page 49: Accessories

    12. Accessories 12-1. Model: AOYG22KBTB Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Drain pipe - 45 - 12-1. Model: AOYG22KBTB 12. Accessories...

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