Fujitsu ASHG12KMCEN Design & Technical Manual

Wall mounted type

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AIR CONDITIONER

Wall mounted type

DESIGN & TECHNICAL MANUAL

INDOOR

ASHG09KMCEN

ASHG12KMCEN

ASHG14KMCEN

OUTDOOR

AOHG09KMCEN

For Cold Climate Region

AOHG12KMCEN

AOHG14KMCEN

DR_AS185EG_02

2024.01.24

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Summary of Contents for Fujitsu ASHG12KMCEN

Page 1 AIR CONDITIONER Wall mounted type DESIGN & TECHNICAL MANUAL For Cold Climate Region INDOOR ASHG09KMCEN ASHG12KMCEN ASHG14KMCEN OUTDOOR AOHG09KMCEN AOHG12KMCEN AOHG14KMCEN DR_AS185EG_02 2024.01.24...
Page 2 App Store is a service mark of Apple Inc., registered in the U.S. and other countries. IOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is used under license. Copyright © 2022, 2024 Fujitsu General Limited. All rights reserved.
Page 3 2. Wireless LAN control ..................4 2-1. System requirement......................4 2-2. Wireless LAN function list ....................5 3. Dimensions....................6 3-1. Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN .......6 4. Wiring diagrams ....................8 4-1. Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN .......8 5. Capacity table....................9 5-1. Cooling capacity.......................9 5-2.
Page 4 CONTENTS (continued) Part 2. OUTDOOR UNIT..............45 1. Specifications....................46 2. Dimensions....................47 2-1. Model: AOHG09KMCEN....................47 2-2. Model: AOHG12KMCEN....................48 2-3. Model: AOHG14KMCEN....................49 3. Installation space ..................50 3-1. Models: AOHG09KMCEN, AOHG12KMCEN, and AOHG14KMCEN ......50 4. Refrigerant circuit ..................53 4-1. Models: AOHG09KMCEN and AOHG12KMCEN ............53 4-2.
Page 5 Part 1. INDOOR UNIT WALL MOUNTED TYPE: ASHG09KMCEN ASHG12KMCEN ASHG14KMCEN...
Page 6 1. Specifications Wall mounted Type Inverter, Heat pump Model name ASHG09KMCEN ASHG12KMCEN ASHG14KMCEN Power supply 230 V~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Rated Btu/h 8,500 11,600 14,300 Cooling 1.00—3.80 1.00—4.20 1.20—4.65 Min.—Max. Btu/h 3,400—13,000...
Page 7 Wall mounted Type Inverter, Heat pump Model name ASHG09KMCEN ASHG12KMCEN ASHG14KMCEN NOTES: • Specifications are based on the following conditions: – Cooling: Indoor temperature of 27°CDB/19°CWB, and outdoor temperature of 35°CDB/24°CWB. – Heating: Indoor temperature of 20°CDB/15°CWB, and outdoor temperature of 7°CDB/6°CWB.
Page 8 After installation of mobile app, user registration is required. For user registration and setup infor- mation, refer to Setting Manual attached with the product. For the latest version of the wireless LAN control manuals, refer to the following web site. https://www.fujitsu-general.com/global/support/ - 4 - 2-1. System requirement...
Page 9 2-2. Wireless LAN function list NOTE: To use the wireless LAN control, user registration in advance and access to the wireless home network are required. Attached Wireless Item Mobile app Remote Controller Air conditioning Operation on/off ○ ○ control function Operation mode setting ○...
Page 10 3. Dimensions 3-1. Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN Unit: mm Outline of indoor unit for pipe inlet Ø65 for pipe inlet Ø65 - 6 - 3-1. Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN 3. Dimensions...
Page 11 70 or more Wall hook bracket 107 or more 183 or more Outline of the indoor unit 1,500 or more A: Install so that the flare connection part is outdoors. - 7 - 3-1. Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN 3. Dimensions...
Page 12 4. Wiring diagrams 4-1. Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN - 8 - 4-1. Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN 4. Wiring diagrams...
Page 13 2.04 1.61 0.53 2.11 1.75 0.53 2.25 1.76 0.54 2.32 1.90 0.54 2.46 1.89 0.54 2.60 2.01 0.55 ¢ Model: ASHG12KMCEN Indoor temperature °CDB °CWB °CDB 2.50 2.08 0.41 2.78 2.09 0.41 2.88 2.28 0.41 3.07 2.28 0.42 3.16 2.46 0.42...
Page 14 5.34 1.89 5.21 1.93 5.08 1.96 4.95 2.00 5.43 1.79 5.30 1.83 5.17 1.86 5.04 1.90 4.91 1.94 ¢ Model: ASHG12KMCEN Indoor temperature °CDB °CWB 3.44 1.78 3.36 1.81 3.28 1.85 3.20 1.89 3.12 1.92 3.98 1.94 3.88 1.98 3.79 2.02...
Page 15 6. Fan performance 6-1. Air velocity distributions ¢ Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN Fan speed Operation mode Measuring conditions HIGH Unit: m/s Top view Horizontal louver: Up Vertical louver: Center Unit: m/s Top view Horizontal louver: Up Vertical louver: Left & Right...
Page 16 6-2. Airflow ¢ Model: ASHG09KMCEN  Cooling Fan speed Airflow HIGH QUIET  Heating Fan speed Airflow HIGH QUIET - 12 - 6-2. Airflow 6. Fan performance...
Page 17 ¢ Model: ASHG12KMCEN  Cooling Fan speed Airflow HIGH QUIET  Heating Fan speed Airflow HIGH QUIET - 13 - 6-2. Airflow 6. Fan performance...
Page 18 ¢ Model: ASHG14KMCEN  Cooling Fan speed Airflow HIGH QUIET  Heating Fan speed Airflow HIGH QUIET - 14 - 6-2. Airflow 6. Fan performance...
Page 19 NC-15 NC-15 QUIET QUIET 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 ¢ Model: ASHG12KMCEN  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 HIGH NC-50 NC-50 HIGH NC-45...
Page 20 ¢ Model: ASHG14KMCEN  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 HIGH NC-50 NC-50 HIGH NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 QUIET NC-15 NC-15 QUIET 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 21 7-2. Sound level check point Microphone Microphone NOTE: Detailed shape of the actual indoor unit might be slightly different from the one illustrated above. - 17 - 7-2. Sound level check point 7. Operation noise (sound pressure)
Page 22 8. Safety devices Model Type of Protection form protection ASHG09KMCEN ASHG12KMCEN ASHG14KMCEN Circuit Current fuse (PCB*) 250 V, 3.15 A protection °C Activate Fan motor stop Fan motor Thermal protection protection °C Reset Fan motor restart *PCB: Printed Circuit Board - 18 - 8.
Page 23 9. External input and output External Input and Output PCB SW301 SW302 Rotary switch CN314 CN313 CN312 CN311 CN310 CN308 To CN6 on Indoor unit PCB Connecting point Input/Output Function Input select Input signal CN313 Operation/Stop Edge/Pulse CN314 Forced stop Dry contact/Apply Input voltage...
Page 24 9-1. 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 25 ¢ Input signal type 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. Edge The width of pulse must be longer than 200 msec. Pulse NOTE: The input signal supports the following switch type: •...
Page 26 9-2. External output Use an external output cable with appropriate external dimension, depending on the number of ca- bles to be installed. ¢ External Input and Output PCB • A twisted pair cable should be used. Maximum length of cable is 25 m. •...
Page 27 9-3. Setting of external input and output Switch setting Input Output Rotary SW302 CN313 CN314 CN310 CN311 CN312 switch Edge Operation/Stop Not available Indoor unit fan Operation/Stop Error status operation status Pulse Operation Stop Forced Indoor unit fan Not available Error status Not available thermostat off...
Page 28 9-4. 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 External Input and 46-00 Edge CN313 Output PCB...
Page 29 ¢ 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) External Input and 46-02 Edge CN313 Output PCB Normal On →...
Page 30 ¢ Operation/Stop mode 2 • In the case of “Edge” input External Input and Output PCB Function External input Input signal Command setting Rotary SW302 switch Operation Off → On (R.C. enabled) External Input and 46-03 Edge CN313 Output PCB Stop On →...
Page 31 ¢ Forced thermostat off External Input and Output External input Input signal Command Rotary switch Off → On Thermostat off External Input and 2, B, C, D CN313 Output PCB On → Off Normal operation CN313 Compressor Room temp. Set temp. - 27 - 9-4.
Page 32 9-5. Details of control output function ¢ Operation status External Input and Output External output Output signal Status Rotary switch Off → On Operation External Input and 1, B, C, D CN310 Output PCB On → Off Stop The output is low when the unit is stopped. Indoor unit operation CN310 ¢...
Page 33 ¢ External heater output External Input and Function Output PCB External output Output signal Control setting Rotary switch Off → On Heater on 60-11 — Output of indoor unit CN47 On → Off Heater off Off → On Heater on External Input and —...
Page 34 10. Group connection NOTE: Group control cannot be used together with WLAN 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 35 11. Remote controller 11-1. 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 36 ¢ Specifications  Controller Unit: mm Top view Front view Side view Size (H × W × D) 205 × 61 × 17 Weight 124 (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 37 12. 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. 12-1. 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 38 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. - 34 - 12-1.
Page 39 ¢ Contents of function setting Each function setting listed in this section is adjustable in accordance with the installation environ- ment. NOTE: Setting will not be changed if invalid numbers or setting values are selected.  Function setting list Function no. Functions Remote controller address setting Filter sign...
Page 40 2) Filter sign Select appropriate intervals for displaying the filter sign on the indoor unit according to the estimated amount of dust in the air of the room. If the indication is not required, select "No indication" (03). Function number Setting value Setting description Factory setting...
Page 41 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 42 7) Cold air prevention This setting is to disable the cold air prevention function during heating operation. When disabled, the fan setting will always follow the setting on the remote controller. (Excluding defrost mode) Function number Setting value Setting description Factory setting Enable ♦...
Page 43 11) 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 44 12-2. 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 45 Part name Exterior Operation manual Tapping screw (large) Installation manual Tapping screw (small) Wall hook bracket Cloth tape Remote controller Filter holder Remote controller Air cleaning filters holder Battery - 41 - 13-1. Models: ASHG09KMCEN, ASHG12KMCEN, and ASHG14KMCEN 13. Accessories...
Page 46 14. Optional parts 14-1. 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 Wire type: Non-polar 2-wire UTY-RNRGZ* Controller Optional Communication Kit is necessary for installation. High visibility and easy operation.
Page 47 14-2. Others Exterior Part name Model name Summary Air Cleaning Air Cleaning Filter can be mounted to UTR-FA16-5 Filter the indoor unit. Required when external device is External connected. UTY-XWZXZ5 Connect Kit Connecting point: CN6 on Main PCB Use to connect with external devices and air conditioner PCB.
Page 48 - 44 - 14-2. Others 14. Optional parts...
Page 49 Part 2. OUTDOOR UNIT SINGLE TYPE: AOHG09KMCEN AOHG12KMCEN AOHG14KMCEN...
Page 50 1. Specifications Type Inverter, Heat pump Model name AOHG09KMCEN AOHG12KMCEN AOHG14KMCEN Power supply 230 V~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Starting current Cooling 1,770 2,210 2,450 Airflow rate Heating 1,313 1,335 2,330 Type × Qty Propeller fan ×...
Page 51 2. Dimensions 2-1. Model: AOHG09KMCEN 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) - 47 - 2-1. Model: AOHG09KMCEN 2. Dimensions...
Page 52 2-2. Model: AOHG12KMCEN 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) - 48 - 2-2. Model: AOHG12KMCEN 2. Dimensions...
Page 53 2-3. Model: AOHG14KMCEN Unit: mm 4-M10 hole Pitch of bolts for installation Side view Front view Side view Airflow Drain port Ø42 Bottom view Side view (Valve part) - 49 - 2-3. Model: AOHG14KMCEN 2. Dimensions...
Page 54 3. Installation space 3-1. Models: AOHG09KMCEN, AOHG12KMCEN, and AOHG14KMCEN ¢ 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 55  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 56  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 57 4. Refrigerant circuit 4-1. Models: AOHG09KMCEN and AOHG12KMCEN 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 temp.) :Thermistor (Outdoor temp.) :Thermistor (Heat exchanger out temp.) :Thermistor (Pipe temp.) :Thermistor (Room temp.) - 53 -...
Page 58 4-2. Model: AOHG14KMCEN 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 (Pipe temperature) : Thermistor (Room temperature) - 54 -...
Page 59 5. Wiring diagrams 5-1. Models: AOHG09KMCEN and AOHG12KMCEN - 55 - 5-1. Models: AOHG09KMCEN and AOHG12KMCEN 5. Wiring diagrams...
Page 60 5-2. Model: AOHG14KMCEN - 56 - 5-2. Model: AOHG14KMCEN 5. Wiring diagrams...
Page 61 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: AOHG09KMCEN NOTE: Values mentioned in the table are calculated based on the maximum capacity.
Page 62 6-2. Model: AOHG12KMCEN NOTE: Values mentioned in the table are calculated based on the maximum capacity. Pipe length (m) COOLING — — — 0.939 0.925 Indoor unit is higher than — — 0.966 0.947 0.932 outdoor unit * — 0.979 0.970 0.951 0.936...
Page 63 7. Additional charge calculation 7-1. Model: AOHG09KMCEN Refrigerant type Factory charge amount Refrigerant charge Total pipe length 15 or less 20 (Max.) 20 g/m Additional charge amount 7-2. Model: AOHG12KMCEN Refrigerant type Factory charge amount Refrigerant charge Total pipe length 15 or less 20 (Max.) 20 g/m...
Page 64 8. Airflow 8-1. Model: AOHG09KMCEN  Cooling 1,770 1,042  Heating 1,313 8-2. Model: AOHG12KMCEN  Cooling 2,210 1,301  Heating 1,335 8-3. Model: AOHG14KMCEN  Cooling 2,450 1,442  Heating 2,330 1,371 - 60 - 8-1. Model: AOHG09KMCEN 8. Airflow...
Page 65 9. Operation noise (sound pressure) 9-1. Noise level curve ¢ Model: AOHG09KMCEN  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 66 ¢ Model: AOHG14KMCEN  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 9-2.
Page 67 10. Electrical characteristics Model name AOHG09KMCEN AOHG12KMCEN AOHG14KMCEN Voltage Power supply Frequency 11.5 16.0 Max operating current * Starting current Circuit breaker current Power cable Cross- Wiring sectional spec. * Connection area cable * Limited wiring length : Maximum operating current is the total current of the indoor unit and the outdoor unit. : Selected sample based on Japan Electrotechnical Standards and Codes Committee E0005.
Page 68 11. Safety devices Model Type of protection Protection form AOHG09KMCEN AOHG12KMCEN AOHG14KMCEN 250 V, 25 A Circuit protection Current fuse (Main PCB) 250 V, 5 A 103 ±18°C 125 ±10°C Activate Fan motor stop Fan motor stop Fan motor Thermal protection protection 95 ±18°C 120 ±10°C...
Page 69 12. Accessories 12-1. Models: AOHG09KMCEN, AOHG12KMCEN, and AOHG14KMCEN Part name Exterior Part name Exterior Installation manual - 65 - 12-1. Models: AOHG09KMCEN, AOHG12KMCEN, and AOHG14KMCEN 12. Accessories...

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