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Fujitsu ASU12RLS3Y Design & Technical Manual
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Fujitsu ASU12RLS3Y Design & Technical Manual

Wall mounted type, refrigerant r410a inverter, for extra cold climate area, indoor/outdoor
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AIR CONDITIONER

Wall mounted type

DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
ASU9RLS3Y
ASU12RLS3Y
ASU15RLS3Y
AOU9RLS3H
AOU12RLS3H
AOU15RLS3H
For Extra Cold Climate Area
DR_AS013EF_02
2018.04.26

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Summary of Contents for Fujitsu ASU12RLS3Y

  • Page 1: Wall Mounted Type

    AIR CONDITIONER Wall mounted type DESIGN & TECHNICAL MANUAL For Extra Cold Climate Area INDOOR ASU9RLS3Y ASU12RLS3Y ASU15RLS3Y OUTDOOR AOU9RLS3H AOU12RLS3H AOU15RLS3H DR_AS013EF_02 2018.04.26...
  • 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 The following term and logo are trademarks of Fujitsu General Limited in the United States, other countries or both: ™...

  • Page 3: Table Of Contents

    2. Wireless LAN control ..................3 2-1. System requirement......................3 2-2. Wireless LAN function list ....................4 3. Dimensions....................5 3-1. Models: ASU9RLS3Y, ASU12RLS3Y, and ASU15RLS3Y ..........5 4. Wiring diagrams ....................7 4-1. Models: ASU9RLS3Y, ASU12RLS3Y, and ASU15RLS3Y ..........7 5. Capacity table....................8 5-1. Cooling capacity.......................8 5-2.
  • Page 4 CONTENTS (continued) Part 2. OUTDOOR UNIT..............39 1. Specifications....................40 2. Dimensions....................41 2-1. Models: AOU9RLS3H, AOU12RLS3H, and AOU15RLS3H...........41 3. Installation space ..................42 3-1. Models: AOU9RLS3H, AOU12RLS3H, and AOU15RLS3H...........42 4. Refrigerant circuit ..................45 4-1. Models: AOU9RLS3H and AOU12RLS3H..............45 4-2. Model: AOU15RLS3H....................46 5. Wiring diagrams ..................47 5-1.

  • Page 5: Part 1. Indoor Unit

    Part 1. INDOOR UNIT WALL MOUNTED TYPE: ASU9RLS3Y ASU12RLS3Y ASU15RLS3Y...

  • Page 6: Specifications

    1. Specifications Wall mounted Type Inverter heat pump Model name ASU9RLS3Y ASU12RLS3Y ASU15RLS3Y Power supply 208/230 V ~ 60 Hz Power supply intake Outdoor unit Available voltage range 188—253 V 2.64 3.52 4.25 Rated Btu/h 9,000 12,000 14,500 Cooling 0.90—3.60 0.90—4.00...

  • Page 7: Wireless Lan Control

    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 (WLAN) control manuals, refer to the following web site. https://www.fujitsu-general.com/global/support/ - 3 - 2-1. System requirement...

  • Page 8: Wireless Lan Function List

    2-2. Wireless LAN function list NOTE: To use Wireless LAN control, user registration in advance and access to the wireless home network are required. Attached wireless Item Mobile app remote controller Operation on/off ○ ○ Operation mode setting ○ ○ Set temperature setting ○...

  • Page 9: Dimensions

    3. Dimensions 3-1. Models: ASU9RLS3Y, ASU12RLS3Y, and ASU15RLS3Y Unit: in (mm) 37 (940) 10-5/8 (270) 37 (940) 18-1/2 (470) 18-1/2 (470) 3-1/16 3-1/4 (77) 15-7/16 (393) (83) 15-1/4 (387) for pipe inlet Ø 2-9/16 (65) Outline of unit for pipe inlet Ø 2-9/16 (65)
  • Page 10 Provide sufficient installation space for product safety. Unit: in (mm) Outline of unit 2 (50) or more 2 (50) or more 5 (127) or more 6 (133) or more 60 (1,500) or more - 6 - 3-1. Models: ASU9RLS3Y, ASU12RLS3Y, and ASU15RLS3Y 3. Dimensions...

  • Page 11: Wiring Diagrams

    4. Wiring diagrams 4-1. Models: ASU9RLS3Y, ASU12RLS3Y, and ASU15RLS3Y - 7 - 4-1. Models: ASU9RLS3Y, ASU12RLS3Y, and ASU15RLS3Y 4. Wiring diagrams...

  • Page 12: Capacity Table

    5. 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) 5-1.
  • Page 13 ¢ Model: ASU12RLS3Y Indoor temperature °FDB °FWB °FDB kBtu kBtu kBtu kBtu kBtu kBtu 10.34 9.52 0.28 11.53 9.58 0.28 12.72 10.47 0.29 13.11 11.30 0.29 13.87 11.21 0.29 14.67 11.96 0.30 10.26 9.44 0.33 11.44 9.47 0.33 12.62 10.34 0.35...
  • Page 14 ¢ Model: ASU15RLS3Y Indoor temperature °FDB °FWB °FDB kBtu kBtu kBtu kBtu kBtu kBtu 12.72 9.80 0.36 14.18 10.92 0.36 15.63 12.04 0.38 16.10 12.40 0.37 17.04 13.13 0.37 18.02 13.88 0.38 12.53 9.62 0.39 13.95 10.72 0.39 15.38 11.82 0.41 15.85 12.18...

  • Page 15: Heating Capacity

    7.48 1.84 7.30 1.88 7.13 1.91 6.77 1.99 15.0 10.0 7.75 1.63 7.57 1.67 7.38 1.70 7.02 1.77 ¢ Model: ASU12RLS3Y Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h 12.4 2.15 12.1 2.19 11.8 2.23 11.2 2.31 15.8 2.16 15.4...
  • Page 16 ¢ Model: ASU15RLS3Y Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h 17.1 2.77 16.7 2.82 16.3 2.88 15.5 2.98 19.6 2.78 19.1 2.84 18.6 2.89 17.7 3.00 22.0 2.79 21.5 2.85 21.0 2.90 19.9 3.01 22.7 2.68 22.2 2.73 21.6 2.78 20.5...

  • Page 17: Fan Performance

    6. Fan performance 6-1. Air velocity distributions ¢ Models: ASU9RLS3Y and ASU12RLS3Y Fan speed Operation mode Measuring conditions HIGH (ft) Unit: ft/s (m/s) 3 (1.0) 7 (2.0) Top view Vertical airflow direction louver: Up Horizontal airflow direction louver: Center 2 (0.5)
  • Page 18 ¢ Model: ASU15RLS3Y Fan speed Operation mode Measuring conditions HIGH (ft) Unit: ft/s (m/s) 3 (1.0) Top view 7 (2.0) Vertical airflow direction louver: Up Horizontal airflow direction louver: Center 2 (0.5) (ft) Unit: ft/s (m/s) (ft) 3 (1.0) 2 (0.5) 7 (2.0) Top view Vertical airflow direction louver: Up...

  • Page 19: Airflow

    6-2. Airflow ¢ Models: ASU9RLS3Y and ASU12RLS3Y  Cooling Fan speed Airflow HIGH QUIET  Heating Fan speed Airflow HIGH QUIET - 15 - 6-2. Airflow 6. Fan performance...
  • Page 20 ¢ Model: ASU15RLS3Y  Cooling Fan speed Airflow HIGH QUIET  Heating Fan speed Airflow HIGH QUIET - 16 - 6-2. Airflow 6. Fan performance...

  • Page 21: Operation Noise (Sound Pressure)

    NC-20 QUIET 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 ¢ Model: ASU12RLS3Y  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 HIGH...
  • Page 22 ¢ Model: ASU15RLS3Y  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 QUIET 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...

  • Page 23: Sound Level Check Point

    7-2. Sound level check point Microphone Microphone 39-3/8 in (1 m) - 19 - 7-2. Sound level check point 7. Operation noise (sound pressure)

  • Page 24: Safety Devices

    8. Safety devices Model Type of protection Protection form ASU9RLS3Y ASU12RLS3Y ASU15RLS3Y Circuit protection Current fuse (PCB*) 250 V, 3.15 A 302±27 °F (150±15 °C) Activate Fan motor speed down Thermal protector Fan motor protection program 248±27 °F (120±15 °C)

  • Page 25: External Input And Output

    9. 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 CNA01 Control input — See external input/output CNB01 — Operation status output settings for details. CNB02 —...
  • Page 26 • Circuit diagram example • Contact capacity: DC 24 V or more, Indoor unit 10 mA or more. Communication kit Connected unit control PCB • *: Make the distance from the PCB to Example: Switch Connector the connected unit within 33 ft (10 •...
  • Page 27 • Optional part Part name Model name Exterior External input wire External connect kit UTY-XWZXZ5 Communication kit UTY-TWBXF1 * For operating the external function, the wall mounted type requires the communication kit in addi- tion to the wire (UTY-XWZXZ5). - 23 - 9-1.

  • Page 28: External Output

    9-2. External output With using external output function, operating status of this product can be transmitted to the exter- nal device, and also, this product can be inter-connected with the external device. ¢ Operation status output  Circuit diagram example Indoor unit control PCB Communication kit...
  • Page 29 ¢ Error status output  Circuit diagram example Indoor unit control PCB Communication kit Connected unit Connector DC 24 V Example: Relay unit Example: Display Relay power supply 33 ft (10 m)* Signal Optional parts Locally purchased • *: Make the distance from the PCB to the connected unit within 33 ft (10 m). •...

  • Page 30: Remote Controller

    10. Remote controller 10-1. Wireless remote controller ¢ Overview SENSOR button Signal transmitter MODE button FAN button MIN. HEAT button ECONOMY button SWING button TEMP. button OUTDOOR UNIT SET button LOW NOISE button POWERFUL button WEEKLY button TIMER SETTING button Start/Stop ON/OFF button button...
  • Page 31 ¢ Specifications  Controller Unit: in (mm) Top view 11/16 2-3/8 (17) (61) Front view Side view Size (H × W × D) in (mm) 8-1/16 × 2-3/8 × 11/16 (205 × 61 × 17) Weight oz (g) 4.3 (122) (without batteries) ...

  • Page 32: 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 33 ¢ 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 34 2) Room temperature control for indoor unit sensor NOTE: Before performing this setting, refer to Function 95. 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"...
  • Page 35 3) Room temperature control for wired remote controller sensor NOTE: Before performing this setting, refer to Function 95. 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”.
  • Page 36 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 37 10) Heat insulation condition (building insulation) Heat insulation conditions differ according to the installed environment. "Standard insulation" (00) allows system to rapidly respond to the cooling or heating load changes. "High insulation" (01) is when the heat insulation structure of the building is high and does not re- quire system to rapidly respond to cooling or heating load changes.

  • Page 38: 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 39: 11-3.Switching The Temperature Unit Of Remote Controller

    11-3. Switching the temperature unit of remote controller Displayed temperature unit on the remote controller LCD can be switched between °F (Fahrenheit) and °C (Celsius). To change temperature unit, do as follows: Press the TEMP. (Up) button ( ) for at least 5 seconds to display the current temperature unit. (Factory setting: °F) Press the TEMP.

  • Page 40: Accessories

    12. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Wireless LAN label Operating manual (Attached to the indoor unit beside the wireless LAN indicator) Setting manual (for Wireless LAN Cloth tape control) Installation manual Tapping screw (large) Wall hook bracket Tapping screw (small) Remote controller Air cleaning filter...

  • Page 41: Optional Parts

    13. Optional parts 13-1. Controllers Exterior Part name Model name Summary Large and full-dot liquid crystal screen, wide and large keys easy to press, Monitor Mo 10:00AM user-intuitive arrow key. Mode Set temp. Wired remote ° F Wire type: Polar 3-wire Cool High UTY-RVNUM...
  • Page 42 - 38 - 13-2. Others 13. Optional parts...

  • Page 43: Part 2. Outdoor Unit

    Part 2. OUTDOOR UNIT SINGLE TYPE: AOU9RLS3H AOU12RLS3H AOU15RLS3H...

  • Page 44: Specifications

    1. Specifications Type Inverter heat pump Model name AOU9RLS3H AOU12RLS3H AOU15RLS3H Power supply 208/230 V ~ 60 Hz Available voltage range 188—253 V Starting current Cooling 989 (1,680) 1,206 (2,050) Airflow rate CFM (m Heating 1,082 (1,840) Type × Q'ty Propeller fan ×...

  • Page 45: Dimensions

    2. Dimensions 2-1. Models: AOU9RLS3H, AOU12RLS3H, and AOU15RLS3H Unit: in (mm) Top view 3/4 (19) 2-5/8 (67) 11/16 (18) 11-5/16 (288) 7/8 (23) 31-1/8 (790) 13-7/8 (352) Front view Side view 21-1/4 (540) Airflow 1(25) hole 8-1/4 (209) 3/8(10) hole 2-3/16 (55) ø13/16 (20) hole...

  • Page 46: Installation Space

    3. Installation space 3-1. Models: AOU9RLS3H, AOU12RLS3H, and AOU15RLS3H ¢ Space requirement Provide sufficient installation space for product safety.  Single outdoor unit installation • When the upper space is open: Unit: in (mm) When there are obstacles at the rear only. When there are obstacles at the rear and sides.
  • Page 47  Multiple outdoor unit installation • When the upper space is open: Unit: in (mm) When there are obstacles at the rear only. When there are obstacles at the front only. 40 (1,000) or more 8 (200) or more When there are obstacles at the front and rear.
  • Page 48  Outdoor unit installation in multi-row Unit: in (mm) Single parallel unit arrangement Multiple parallel unit arrangement 4 (100) or more 8 (200) or more 40 (1,000) 80 (2,000) or more or more 8 (200) or more 16 (400) or more 40 (1,000) or more 20 (500) or more 8 (200) or more...

  • Page 49: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Models: AOU9RLS3H and AOU12RLS3H 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 temp.) :Thermistor (Outdoor temp.) :Thermistor (Heat exchanger out temp.) :Thermistor (Room temp.) :Thermistor (Pipe temp.) - 45 -...

  • Page 50: Model: Aou15Rls3H

    4-2. Model: AOU15RLS3H Heat exchanger (INDOOR) 3-Way 2-Way valve valve Muffler Muffler Receiver Strainer Expansion valve Heat exchanger (OUTDOOR) Strainer Cooling Heating : Thermistor (Discharge temp.) : Thermistor (Outdoor temp.) : Thermistor (Heat exchanger out temp.) : Thermistor (Room temp.) : Thermistor (Pipe temp.) - 46 - 4-2.

  • Page 51: Wiring Diagrams

    5. Wiring diagrams 5-1. Models: AOU9RLS3H and AOU12RLS3H - 47 - 5-1. Models: AOU9RLS3H and AOU12RLS3H 5. Wiring diagrams...

  • Page 52: Model: Aou15Rls3H

    5-2. Model: AOU15RLS3H - 48 - 5-2. Model: AOU15RLS3H 5. Wiring diagrams...

  • Page 53: 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. Models: AOU9RLS3H and AOU12RLS3H NOTE: Values mentioned in the table are calculated based on the maximum capacity.

  • Page 54: Model: Aou15Rls3H

    6-2. Model: AOU15RLS3H NOTE: Values mentioned in the table are calculated based on the maximum capacity. Pipe length COOLING 0.951 0.950 0.979 0.967 0.966 Indoor unit is higher than outdoor unit *1 0.988 0.983 0.971 0.970 0.994 0.992 0.987 0.975 0.974 1.002 1.000...

  • Page 55: Additional Charge Calculation

    7. Additional charge calculation 7-1. Models: AOU9RLS3H and AOU12RLS3H Refrigerant type R410A lb oz 2 lb 14 oz Refrigerant amount 1,300 ¢ Refrigerant charge 49 or less 66 (Max.) Total pipe length 0.22 oz/ft 15 or less 20 (Max.) +3.5 (20 g/m) Additional charge +100...

  • Page 56: Airflow

    8. Airflow 8-1. Models: AOU9RLS3H and AOU12RLS3H  Cooling 1,680  Heating 1,840 1,082 8-2. Model: AOU15RLS3H  Cooling 2,050 1,206  Heating 1,840 1,082 - 52 - 8-1. Models: AOU9RLS3H and AOU12RLS3H 8. Airflow...

  • Page 57: Operation Noise (Sound Pressure)

    9. Operation noise (sound pressure) 9-1. Noise level curve ¢ Model: AOU9RLS3H  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 58 ¢ Model: AOU15RLS3H  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 - 54 - 9-1.

  • Page 59: Sound Level Check Point

    9-2. Sound level check point Rear Microphone Microphone Airflow 40 in (1 m) Side view Rear view NOTE: Detailed shape of the actual outdoor unit might be slightly different from the one illustrated above. - 55 - 9-2. Sound level check point 9.

  • Page 60: Electrical Characteristics

    10. Electrical characteristics Model name AOU9RLS3H AOU12RLS3H AOU15RLS3H Voltage 208/230~ Power supply Frequency MCA *1 14.4 18.2 Starting current MAX. CKT. BKR *3 Power cable Wiring Size spec. *2 Connection Limited wiring cable *4 ft (m) 68 (21) length *1: Minimum Circuit Ampacity (Calculation based on UL1995) *2: Selected sample based on Japan Electrotechnical Standards and Codes Committee E0005.

  • Page 61: Safety Devices

    11. Safety devices Model Type of Protection form protection AOU9RLS3H AOU12RLS3H AOU15RLS3H 250 V, 20 A Current fuse (Near the terminal) 250 V, 5 A 250 V, 5 A 250 V, 25 A Circuit protection Current fuse (Filter PCB) — 250 V, 5 A 250 V, 15 A 250 V, 3.15 A...

  • Page 62: Accessories

    12. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Installation manual - 58 - 12. Accessories...

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