Related Manuals for Fujitsu AOHG22KBTB
Summary of Contents for Fujitsu AOHG22KBTB
- Page 1 AIR CONDITIONER Duct type DESIGN & TECHNICAL MANUAL INDOOR ARXG22KMLA ARXG22KMLB OUTDOOR AOHG22KBTB DR_AR030EG_04 2021.04.07...
- 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. ®...
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Page 3: Table Of Contents
CONTENTS Part 1. INDOOR UNIT................1 1. Specifications....................2 2. Dimensions....................4 2-1. Model: ARXG22KMLA and ARXG22KMLB ..............4 2-2. Installation space requirement ..................5 2-3. Maintenance space requirement..................6 3. Wiring diagrams ....................7 3-1. Model: ARXG22KMLA and ARXG22KMLB ..............7 4. Capacity table....................8 4-1. Cooling capacity.......................8 4-2. - Page 4 CONTENTS (continued) Part 2. OUTDOOR UNIT..............33 1. Specifications....................34 2. Dimensions....................35 2-1. Model: AOHG22KBTB ....................35 3. Installation space ..................36 3-1. Model: AOHG22KBTB ....................36 4. Refrigerant circuit ..................39 4-1. Model: AOHG22KBTB ....................39 5. Wiring diagrams ..................40 5-1. Model: AOHG22KBTB ....................40 6. Capacity compensation rate for pipe length and height difference..41 6-1.
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Page 5: Part 1. Indoor Unit
Part 1. INDOOR UNIT DUCT TYPE: ARXG22KMLA ARXG22KMLB... -
Page 6: Specifications
1. Specifications Duct Type Inverter heat pump ARXG22KMLA Model name ARXG22KMLB 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 ARXG22KMLA Model name ARXG22KMLB 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 HIGH dB (A) Heating...
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Page 8: Dimensions
2. Dimensions 2-1. Model: ARXG22KMLA and ARXG22KMLB Unit: mm Φ205 Φ3.2 Front view 1,177 Gas pipe Drain port Liquid pipe Φ200 Knockout Drain port for fresh air Φ5 Φ3.2 80 80 P125 × 3 = 375 P125 × 3 = 375 Φ5 1,015 1,135... -
Page 9: Installation Space Requirement
2-2. Installation space requirement Provide sufficient installation space for product safety. NOTE: The detailed component shape depends on the model. ¢ Model: ARXG22KMLA and ARXG22KMLB Unit: mm 20 or more 300 or more 150 or more - 5 - 2-2. Installation space requirement 2. -
Page 10: Maintenance Space Requirement
2-3. Maintenance space requirement For future maintenance and service access, provide sufficient maintenance space. NOTES: • Do not place any wiring or illumination in the maintenance space, as they will impede service. • The detailed component shape depends on the model. ¢... -
Page 11: Wiring Diagrams
3. Wiring diagrams 3-1. Model: ARXG22KMLA and ARXG22KMLB - 7 - 3-1. Model: ARXG22KMLA and ARXG22KMLB 3. Wiring diagrams... -
Page 12: 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 13: Fan Performance
5. Fan performance NOTE: Airflow and capacity curve is measured based on the same condition mentioned in "Specifi- cations". 5-1. Fan performance curve ¢ Model: ARXG22KMLA and ARXG22KMLB (Normal mode) Static pressure (Pa) Fan speed Item — — — — —... - Page 14 HEATING 104.0 102.0 100.0 Capacity 98.0 96.0 94.0 92.0 1,000 1,100 1,200 1,300 Airflow (m - 10 - 5-1. Fan performance curve 5. Fan performance...
- Page 15 ¢ Model: ARXG22KMLA and ARXG22KMLB (Static pressure mode Static pressure (Pa) Fan speed Item — — — — — — 1200 1000 HIGH — — — — — — — — — — — — — — — — 1000 —...
- Page 16 ¢ Model: ARXG22KMLA and ARXG22KMLB (Static pressure mode Static pressure (Pa) Fan speed Item — — — — — — 1160 HIGH — — — — — — — — — — — — — — — — 1020 — —...
- Page 17 ¢ Model: ARXG22KMLA and ARXG22KMLB (Static pressure mode Static pressure (Pa) Fan speed Item — — — — — — 1100 HIGH — — — — — — — — — — — — — — — — 1000 — —...
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Page 18: Operation Noise (Sound Pressure)
6. Operation noise (sound pressure) 6-1. Noise level curve ¢ Model: ARXG22KMLA and ARXG22KMLB 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 NC-15... -
Page 19: Safety Devices
7. Safety devices Model Protection form ARXG22KMLA ARXG22KMLB 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 *: Printed Circuit Board - 15 - 7. -
Page 20: 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 21: 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 22: 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 23: 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 24 • 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 25 ¢ 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.
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Page 26: 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 27 ¢ 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...
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Page 28: 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 29 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 of the room temperature sensor is corrected as follows: Corrected temp.
- Page 30 4) 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 31 7) 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 ♦ 8) External input control "Operation/Stop" mode or "Forced stop" mode can be selected. Function number Setting value Setting description...
- Page 32 11) 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 - 28 -...
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Page 33: Accessories
10. Accessories 10-1. Model: ARXG22KMLA and ARXG22KMLB 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 (with flange) M10 nut B... -
Page 34: 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-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 35: 11-2.Others
Exterior Part name Model name Summary IR receiver kit with wireless Unit control is performed by wireless UTY-LBTGM 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 36 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.
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Page 37: Part 2. Outdoor Unit
Part 2. OUTDOOR UNIT SINGLE TYPE: AOHG22KBTB... -
Page 38: Specifications
1. Specifications Type Inverter heat pump Model name AOHG22KBTB 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... -
Page 39: Dimensions
2. Dimensions 2-1. Model: AOHG22KBTB 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) - 35 - 2-1. Model: AOHG22KBTB 2. Dimensions... -
Page 40: Installation Space
3. Installation space 3-1. Model: AOHG22KBTB ¢ 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 41 • When an obstruction in the upper space: Unit: mm Obstacles at rear and above. Max. 300 1,500 or more 250 or more 1,500 or more 250 or more 200 or more - 37 - 3-1. Model: AOHG22KBTB 3. Installation space...
- Page 42 Construct a canopy and a pedestal, or place the unit on a high stand that is locally installed. - 38 - 3-1. Model: AOHG22KBTB 3. Installation space...
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Page 43: Refrigerant Circuit
4. Refrigerant circuit 4-1. Model: AOHG22KBTB 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) -
Page 44: Wiring Diagrams
5. Wiring diagrams 5-1. Model: AOHG22KBTB - 40 - 5-1. Model: AOHG22KBTB 5. Wiring diagrams... -
Page 45: Capacity Compensation Rate For Pipe Length And Height Difference
Indoor unit is lower than outdoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Connection pipe Connection pipe 6-1. Model: AOHG22KBTB NOTE: Values mentioned in the table are calculated based on the maximum capacity. Pipe length (m) COOLING — — —... -
Page 46: Additional Charge Calculation
7. Additional charge calculation 7-1. Model: AOHG22KBTB Refrigerant type Refrigerant amount 1,250 ¢ Refrigerant charge Total pipe length 20 or less 30 (Max.) 20 g/m Additional charge - 42 - 7-1. Model: AOHG22KBTB 7. Additional charge calculation... -
Page 47: Airflow
8. Airflow 8-1. Model: AOHG22KBTB Cooling 2,240 1,318 Heating 1,960 1,154 - 43 - 8-1. Model: AOHG22KBTB 8. Airflow... -
Page 48: Operation Noise (Sound Pressure)
9. Operation noise (sound pressure) 9-1. Noise level curve ¢ Model: AOHG22KBTB 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... -
Page 49: Electrical Characteristics
10. Electrical characteristics Model name AOHG22KBTB 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. -
Page 50: Safety Devices
11. Safety devices Model Type of Protection form protection AOHG22KBTB 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... -
Page 51: Accessories
12. Accessories 12-1. Model: AOHG22KBTB Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Drain pipe - 47 - 12-1. Model: AOHG22KBTB 12. Accessories...