Related Manuals for Fujitsu ASBH27KMTA
Summary of Contents for Fujitsu ASBH27KMTA
- Page 1 AIR CONDITIONER Wall mounted type DESIGN & TECHNICAL MANUAL INDOOR ASBH27KMTA OUTDOOR AOBH27KMTA DR_AS182EF_01 2022.12.06...
- Page 2 Mobile” is a trademark of FUJITSU GENERAL LIMITED. ™ Google Play is trademark of Google LLC. ® App Store is a service mark of Apple Inc., registered in the U.S. and other countries. Copyright © 2022 Fujitsu General Limited. All rights reserved.
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Page 3: Table Of Contents
CONTENTS Part 1. INDOOR UNIT................1 1. Specifications....................2 2. Dimensions....................3 2-1. Model: ASBH27KMTA .....................3 3. Wiring diagrams ....................5 3-1. Model: ASBH27KMTA .....................5 4. Capacity table....................6 4-1. Cooling capacity.......................6 4-2. Heating capacity ......................6 5. Fan performance ...................7 5-1. Air velocity distributions....................7 5-2. Airflow ..........................8 6. - Page 4 CONTENTS (continued) Part 2. OUTDOOR UNIT..............37 1. Specifications....................38 2. Dimensions....................39 2-1. Model: AOBH27KMTA ....................39 3. Installation space ..................40 3-1. Model: AOBH27KMTA ....................40 4. Refrigerant circuit ..................44 4-1. Model: AOBH27KMTA ....................44 5. Wiring diagrams ..................45 5-1. Model: AOBH27KMTA ....................45 6. Capacity compensation rate for pipe length and height difference..46 6-1.
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Page 5: Part 1. Indoor Unit
Part 1. INDOOR UNIT WALL MOUNTED TYPE: ASBH27KMTA... -
Page 6: Specifications
1. Specifications Wall mounted Type Inverter, Heat pump Model name ASBH27KMTA Power supply 220 V~ 60 Hz Power supply intake Outdoor unit Available voltage range 198—242 V 7.91 Rated Btu/h 27,000 Cooling 2.9—9.0 Min.—Max. Btu/h 9,900—30,700 Capacity 7.91 Rated Btu/h... -
Page 7: Dimensions
2. Dimensions 2-1. Model: ASBH27KMTA Unit: mm 1,150 1,150 Outline of unit - 3 - 2-1. Model: ASBH27KMTA 2. Dimensions... - Page 8 Unit: mm Outline of unit 50 or more 50 or more 70 or more 140 or more 1,500 or more - 4 - 2-1. Model: ASBH27KMTA 2. Dimensions...
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Page 9: Wiring Diagrams
3. Wiring diagrams 3-1. Model: ASBH27KMTA - 5 - 3-1. Model: ASBH27KMTA 3. Wiring diagrams... -
Page 10: 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: ASBH27KMTA 1,300 Indoor temperature °CDB °CWB... -
Page 11: Fan Performance
5. Fan performance 5-1. Air velocity distributions ¢ Model: ASBH27KMTA 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 Unit: m/s... -
Page 12: Airflow
5-2. Airflow ¢ Model: ASBH27KMTA Cooling Fan speed Airflow 1,300 HIGH 1,060 QUIET Heating Fan speed Airflow 1,300 HIGH 1,060 QUIET - 8 - 5-2. Airflow 5. Fan performance... -
Page 13: Operation Noise (Sound Pressure)
6. Operation noise (sound pressure) 6-1. Noise level curve ¢ Model: ASBH27KMTA Cooling Heating NC-65 NC-65 NC-60 NC-60 HIGH NC-55 NC-55 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 NC-20 NC-20 QUIET... -
Page 14: Safety Devices
7. Safety devices Model Type of Protection form protection ASBH27KMTA Circuit protection Current fuse (PCB*) 250 V, 3.15 A 125 ±10°C Activate Fan motor stop Fan motor Thermal protector protection program 100 ±10°C Reset Fan motor restart *PCB: Printed Circuit Board - 10 - 7. -
Page 15: 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 Connecting point Input/Output Function Input select Input signal Operation/Stop CN46 Input... -
Page 16: 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 17 ¢ 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 18 ¢ 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.
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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. ¢ Indoor unit • A twisted pair cable should be used. Maximum length of cable is 25 m. •... - Page 20 ¢ 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"...
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Page 21: 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 (Setting prohibited) CN46 Forced stop mode Operation/Stop mode 2 Output Connection point Function setting number 60 Function Operation/Stop 01 to 08 (Setting prohibited) CN47 Error status... -
Page 22: 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 23 ¢ 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 24 ¢ 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) — Input of indoor unit CN46 Stop On → Off (R.C.
- Page 25 ¢ 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. - 21 - 8-4.
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Page 26: 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 27 ¢ 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 —...
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Page 28: Group Connection
9. 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 29: Remote Controller
10. Remote controller 10-1. Wireless remote controller ¢ Overview a MODE button b FAN SPEED button c POWERFUL button d SET button (Left/right airflow) e 10 °C HEAT button f CANCEL button g OUTDOOR LOW NOISE button h ECONOMY button i RESET button j TEST RUN button k WLAN button... - Page 30 ¢ Specifications Controller Unit: mm Top view Front view Side view Size (H × W × D) 181 × 58 × 17 Weight 116 (without batteries) Holder Unit: mm Top view Ø (Hole) Hole 26.3 62.8 Front view Side view Size (H ×...
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Page 31: 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 32 ¢ 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 Filter sign 30/31...
- Page 33 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 34 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 35 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 36 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) - 32 -...
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Page 37: 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 38: Accessories
12. Accessories 12-1. Model: ASBH27KMTA Part name Exterior Part name Exterior Operation manual Drain hose insulation Installation manual Cloth tape Self-tapping screw (Large) Wall hook bracket Self-tapping screw (Small) Remote controller Air cleaning filters Remote controller Air cleaning filter holder... -
Page 39: 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 40: 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 41: Part 2. Outdoor Unit
Part 2. OUTDOOR UNIT SINGLE TYPE: AOBH27KMTA... -
Page 42: Specifications
1. Specifications Type Inverter, Heat pump Model name AOBH27KMTA Power supply 220 V~ 60 Hz Power supply intake Outdoor unit Available voltage range 198—242 V Starting current 10.3 Cooling 3,750 Airflow rate Heating 3,320 Type × Qty Propeller fan × 1 Motor output Cooling dB (A) -
Page 43: Dimensions
2. Dimensions 2-1. Model: AOBH27KMTA Unit: mm 35.7 Top view 3 Way valve (Gas) 3 Way valve (Liquid) 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 44: Installation Space
3. Installation space 3-1. Model: AOBH27KMTA ¢ 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 45 • When an obstruction in the upper space: Unit: mm When there are obstacles at the rear When there are obstacles at the rear, sides, and and above. above. Max. 500 Max. 500 1,000 or more 1,000 or more 500 or more 200 or more 300 or more 250 or more...
- Page 46 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 47 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...
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Page 48: Refrigerant Circuit
4. Refrigerant circuit 4-1. Model: AOBH27KMTA Heat exchanger 3-way 3-way (INDOOR) valve valve Muffler 4-way valve Strainer Expansion valve Strainer Heat exchanger (OUTDOOR) : Cooling : Heating : Thermistor (Compressor temperature) : Thermistor (Discharge temperature) : Thermistor (Heat exchanger middle temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat exchanger out temperature) : Thermistor (Pipe temperature) -
Page 49: Wiring Diagrams
5. Wiring diagrams 5-1. Model: AOBH27KMTA - 45 - 5-1. Model: AOBH27KMTA 5. Wiring diagrams... -
Page 50: 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: AOBH27KMTA NOTE: Values mentioned in the table are calculated based on the maximum capacity. -
Page 51: Additional Charge Calculation
7. Additional charge calculation 7-1. Model: AOBH27KMTA Refrigerant type Factory charge amount 1,700 ¢ Refrigerant charge 20 or Total pipe length less (Max.) 40 g/m Additional charge amount 1,000 1,200 - 47 - 7-1. Model: AOBH27KMTA 7. Additional charge calculation... -
Page 52: Airflow
8. Airflow 8-1. Model: AOBH27KMTA Cooling 3,750 1,042 2,207 Heating 3,320 1,954 - 48 - 8-1. Model: AOBH27KMTA 8. Airflow... -
Page 53: Operation Noise (Sound Pressure)
9. Operation noise (sound pressure) 9-1. Noise level curve ¢ Model: AOBH27KMTA 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 54: Electrical Characteristics
10. Electrical characteristics Model name AOBH27KMTA Voltage Power supply Frequency 18.5 Maximum operating current* Starting current 10.3 Circuit breaker current Power cable 2.5—4.0 Wiring Cross-sectional spec.* Connection area cable* Limited wiring length NOTES: • * : Maximum operating current is the total current of the indoor unit and the outdoor unit. •... -
Page 55: Safety Devices
11. Safety devices Model Type of Protection form protection AOBH27KMTA 250 V, 30 A Circuit 250 V, 3.15 A Current fuse (PCB*) protection 250 V, 10 A × 2 122 ±9°C Activate Fan motor stop Fan motor Thermal protection program protection °C Reset... -
Page 56: External Input And Output
12. External input and output 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 57 ¢ 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. •...
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Page 58: 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 59 ¢ 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...
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Page 60: Function Settings
13. Function settings 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 61 ¢ 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 Blinks to show the local setting on the outdoor unit or the error code. (2) ERROR Blinks during error operation.
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Page 62: 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 63 ¢ 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...
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Page 64: Accessories
14. Accessories 14-1. Model: AOBH27KMTA Part name Exterior Part name Exterior Installation manual Drain cap Drain pipe One-touch bush - 60 - 14-1. Model: AOBH27KMTA 14. Accessories... -
Page 65: 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 - 61 - 15. Optional parts...