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Fujitsu ASU18RLB Technical Manual

Wall mounted type
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AIR CONDITIONER

Wall Mounted type

DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
ASU18RLB
ASU24RLB
ASU30RLXB
ASU36RLXB
AOU18RLB
AOU24RLB
AOU30RLXB
AOU36RLXB

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Summary of Contents for Fujitsu ASU18RLB

  • Page 1: Air Conditioner

    AIR CONDITIONER Wall Mounted type DESIGN & TECHNICAL MANUAL INDOOR ASU18RLB ASU24RLB ASU30RLXB ASU36RLXB OUTDOOR AOU18RLB AOU30RLXB AOU24RLB AOU36RLXB...

  • Page 2: Indoor Unit

    1. INDOOR UNIT WALL MOUNTED TYPE : ASU18RLB ASU24RLB ASU30RLXB ASU36RLXB DTR_AS113E_01 2014.12.26...

  • Page 3: Table Of Contents

    CONTENTS 1. INDOOR UNIT 1. FEATURE ........................01 - 01 2. WIRELESS REMOTE CONTROLLER ..........01 - 04 3. SPECIFICATIONS ....................01 - 06 4. DIMENSIONS ......................01 - 07 5. WIRING DIAGRAMS ..................01 - 09 6. CAPACITY TABLE ....................

  • Page 4: Feature

    FEATURE   MODEL ASU18RLB ASU24RLB ASU30RLXB ASU36RLXB   FEATURES   High energy performance MODEL ASU18RLB ASU24RLB ASU30RLXB ASU36RLXB Seasonal Energy Efficiency 19.0 18.0 16.5 15.5 Ratio (SEER) Btu/hW Heating Seasonal Performance 10.6 Factor (HSPF) Energy Efficient Ratio (EER) 12.5...
  • Page 5   Power diffuser Adoption of large power diffuser “Strong vertical air flow” provides powerful floor level heating. (ft) (ft) 40 (ft) Outside air conditions:35.6 F 60% Operation contents: Heating, Set temperature (Max set temp) ( F) Power diffuser F , Air flow Hi, (full open) Vertical airflow direction louver : Downward Horizontal airflow direction louver : Center...

  • Page 6: Economy Operation

      Air conditioner filter features Ion Deodorization Filter Apple-catechin Filter Organic coating fin used heat exchanger Pre Filter Antibacterial deodorizing pre-filter with special ceramic powder Long-life Ion Apple- Deodorization Filter catechin Filter   Economy operation Example : Cooling operation ●...

  • Page 7: Wireless Remote Controller

    WIRELESS REMOTE CONTROLLER   FEATURES ● Four kinds of timer setup (ON / OFF / PROGRAM / SLEEP) are possible. ● Can be used jointly with wired remote controllers . ● Easy to change custom code (max. 4 custom codes) by button operation.
  • Page 8   FUNCTIONS MODE button Selects the operating mode (AUTO, COOL, DRY, FAN, HEAT). /Start / end R.C. custom code change. (Max 4 types) MIN.HEAT button SET TEMP. button ( Set remote controller custom code buttons Sets the indoor temp./ Sets R.C. custom code. ECONOMY button SLEEP button Pressed to select sleep timer.

  • Page 9: Specifications

    SPECIFICATIONS WALL MOUNTED Type INVERTER HEAT PUMP Model name ASU18RLB ASU24RLB ASU30RLXB ASU36RLXB Power source 208/230V ~ 60Hz Available voltage range 187-253V 5.28 7.03 8.79 9.70 Rated Btu/h 18,000 24,000 30,000 33,000 Cooling 0.90 -5.28 0.90 - 7.30 2.90 - 9.50 2.90 - 10.00...

  • Page 10: Dimensions

    DIMENSIONS   MODEL : ASU18RLB, ASU24RLB, ASU30RLXB, ASU36RLXB Unit : in (mm) 39-5/16 (998) 20-1/2 (520) 23-1/4 (590) 9 (228) 1 (25) 28-3/8 (721) 20-1/2 (520) Unit center Outline of unit 1-1/8 (28) 2-5/8 (67) 35-9/16 (903) 13/16 (20)
  • Page 11   INSTALLATION PLACE Unit : in (mm) Outline of unit 3 (52) or more 3 (53) or more 4 (80) or more 5 (120) or more 60 (1500) or more - (01 - 08) -...

  • Page 12: Wiring Diagrams

    WIRING DIAGRAMS   MODEL : ASU18RLB, ASU24RLB, ASU30RLXB, ASU36RLXB - (01 - 09) -...

  • Page 13: Capacity Table

    CAPACITY TABLE 6-1. COOLING CAPACITY   MODEL : ASU18RLB Indoor temperature 64°FDB 70°FDB 75°FDB 80°FDB 85°FDB 90°FDB 54°FWB 60°FWB 63°FWB 67°FWB 71°FWB 73°FWB °FDB 15.8 11.8 0.50 17.6 13.1 0.50 19.4 14.5 0.53 20.0 14.9 0.51 21.2 15.8 0.51 22.4...
  • Page 14   MODEL : ASU24RLB Indoor temperature 64°FDB 70°FDB 75°FDB 80°FDB 85°FDB 90°FDB 54°FWB 60°FWB 63°FWB 67°FWB 71°FWB 73°FWB °FDB 21.1 14.9 0.83 23.5 16.6 0.84 25.9 18.3 0.88 26.6 18.9 0.86 28.2 20.0 0.86 29.8 21.2 0.89 20.7 14.7 0.90 23.1 16.3...
  • Page 15   MODEL : ASU30RLXB Indoor temperature 64°FDB 70°FDB 75°FDB 80°FDB 85°FDB 90°FDB 54°FWB 60°FWB 63°FWB 67°FWB 71°FWB 73°FWB °FDB 25.7 18.3 0.80 28.6 18.4 0.81 31.5 20.1 0.82 32.5 21.7 0.83 34.5 21.6 0.84 36.4 23.0 0.84 25.7 18.7 0.93 28.6 18.8...
  • Page 16   MODEL : ASU36RLXB Indoor temperature 64°FDB 70°FDB 75°FDB 80°FDB 85°FDB 90°FDB 54°FWB 60°FWB 63°FWB 67°FWB 71°FWB 73°FWB °FDB 27.6 19.9 1.01 30.8 20.0 1.03 33.9 21.9 1.04 35.0 23.6 1.05 37.1 23.5 1.06 39.2 25.1 1.07 27.6 20.3 1.17 30.8 20.4...

  • Page 17: Heating Capacity

    6-2. HEATING CAPACITY   MODEL : ASU18RLB Indoor temperature 60°FDB 65°FDB 70°FDB 75°FDB °FDB °FWB 16.2 1.98 15.8 2.01 15.4 2.18 14.6 2.14 17.3 1.87 16.9 1.90 16.5 2.13 15.6 2.02 18.1 1.81 17.7 1.84 17.2 2.05 16.3 1.96 18.2...
  • Page 18   MODEL : ASU30RLXB Indoor temperature 60°FDB 65°FDB 70°FDB 75°FDB °FDB °FWB 23.2 3.78 22.7 3.86 22.1 3.94 21.0 4.10 25.0 3.78 24.4 3.86 23.8 3.93 22.6 4.09 28.8 3.79 28.1 3.87 27.5 3.95 26.1 4.11 31.6 3.76 30.9 3.84 30.1 3.91...

  • Page 19: Fan Performance

    FAN PERFORMANCE 7-1. AIR VELOCITY DISTRIBUTION Conditions: Fan speed : High   MODEL : ASU18RLB Operation mode : FAN Voltage : 230V Unit : ft/s (m/s) (ft) 7(2) 3(1) 2(0.5) TOP VIEW Vertical airflow direction louver : Up Horizontal airflow direction louver : Center...
  • Page 20 Conditions: Fan speed : High   MODEL : ASU24RLB Operation mode : FAN Voltage : 230V Unit : ft/s (m/s) (ft) 7(2) 3(1) 2(0.5) TOP VIEW Vertical airflow direction louver : Up Horizontal airflow direction louver : Center (ft) (ft) Unit : ft/s (m/s) 7(2)
  • Page 21 Conditions: Fan speed : High   MODEL : ASU30RLXB Operation mode : FAN Voltage : 230V Unit : ft/s (m/s) (ft) 7(2) 3(1) 2(0.5) TOP VIEW Vertical airflow direction louver : Up Horizontal airflow direction louver : Center (ft) (ft) Unit : ft/s (m/s) 7(2)
  • Page 22 Conditions: Fan speed : High   MODEL : ASU36RLXB Operation mode : FAN Voltage : 230V Unit : ft/s (m/s) (ft) 7(2) 3(1) 2(0.5) TOP VIEW Vertical airflow direction louver : Up Horizontal airflow direction louver : Center (ft) (ft) Unit : ft/s (m/s) 7(2)

  • Page 23: Air Flow

    7-2. AIR FLOW   MODEL : ASU18RLB   Cooling Fan speed Air flow HIGH QUIET   Heating Fan speed Air flow HIGH QUIET - (01 - 20) -...
  • Page 24   MODEL : ASU24RLB   Cooling Fan speed Air flow 1120 HIGH QUIET   Heating Fan speed Air flow 1100 HIGH QUIET - (01 - 21) -...
  • Page 25   MODEL : ASU30RLXB   Cooling Fan speed Air flow 1120 HIGH QUIET   Heating Fan speed Air flow 1150 HIGH QUIET - (01 - 22) -...
  • Page 26   MODEL : ASU36RLXB   Cooling Fan speed Air flow 1180 HIGH QUIET   Heating Fan speed Air flow 1180 HIGH QUIET - (01 - 23) -...

  • Page 27: Operation Noise

    OPERATION NOISE 8-1. NOISE LEVEL CURVE   MODEL : ASU18RLB     Cooling Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 High High NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 Quiet Quiet NC-20...
  • Page 28   MODEL : ASU30RLXB     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 Quiet Quiet NC-25 NC-25 NC-20 NC-20 NC-15 NC-15 1,000 2,000 4,000 8,000 1,000 2,000...

  • Page 29: Sound Level Check Point

    8-2. SOUND LEVEL CHECK POINT 3ft. 3- in. (1m) - (01 - 26) -...

  • Page 30: Safety Devices

    SAFETY DEVICES Model Protection form ASU18RLB ASU24RLB ASU30RLXB ASU36RLXB Circuit protection Current fuse (PCB) 3.15A 250V Terminal protection Current fuse 3A 250V 302±27°F (150±15°C) OFF Fan motor protection Thermal protection program 248±27°F (120±15°C) ON - (01 - 27) -...

  • Page 31: External Input & Output

    EXTERNAL INPUT & OUTPUT Connector INPUT OUTPUT REMARKS CN14 Control input See external input/output settings CN16 Operation status output for details. 10-1. EXTERNAL INPUT   CONTROL INPUT (Operation/Stop or Forced stop) The air conditioner can be remotely operated by means of the following on-site work. "Operation/Stop"...
  • Page 32 ● When function setting is "Forced stop" mode Input signal Forced stop Command Normal Operation Indoor unit Stop Remote controller Remote control operation invalidity   Parts (Optional) Parts name Model name External connect kit UTY-XWZX Wire (External input) : UTY-XWZX - (01 - 29) -...

  • Page 33: External Output

    10-2. EXTERNAL OUTPUT   OPERATION STATUS OUTPUT An air conditioner operation status signal can be output.   Circuit diagram example Indoor Connected unit control PC board Connector Ex.)Relay unit Ex.)Display 24V DC Relay power supply *33ft. (10m) Signal Field supply * Make the distance from the PC board to the connected unit within 33ft.

  • Page 34: Function Setting

    FUNCTION SETTING 11-1. INDOOR UNIT (Setting by remote controller) • The function settings of the control of the indoor unit can be changed by this procedure according to the installation conditions. Incorrect settings can cause the indoor unit malfunction. • After the power is turned on, perform the “FUNCTION SETTING”...

  • Page 35: Function Details

      FUNCTION DETAILS Functions 1) Filter sign 2) Room temperature control for indoor unit sensor 3) Auto restart 4) Room temperature sensor switching 5) Remote controller custom code 6) External input control 7) Room temperature sensor switching (Aux.) 8) Room temperature control for wired remote controller sensor 9) Fixed operation mode switching 10) Heat Insulation condition (building insulation) 1) Filter sign...
  • Page 36 3) Auto restart Enable or disable automatic restart after a power interruption. (  ... Factory setting) Function number Setting value Setting description Enable  Disable * Auto restart is an emergency function such as for power outage etc. Do not attempt to use this function in normal operation. Be sure to operate the unit by remote controller or external device.
  • Page 37 8) Room temperature control for wired remote controller sensor Refer to Function 95, before performing this setting. Depending on the installed environment, correction of the wired remote controller temperature sensor may be required. Select the appropriate control setting according to the installed environment.
  • Page 38   REMOTE CONTROLLER CUSTOM CODE SETTING Use the following steps to select the custom code of the remote controller. (Note that the air conditioner cannot receive a signal if the air conditioner has not been set for the matching custom code.) Press the START/STOP button until only the clock is displayed on the remote controller display.

  • Page 39: Optional Parts

    OPTIONAL PARTS Exterior Parts name Model No. Summary Large and full-dot liquid crystal Monitor Mo 10:00AM screen, wide and large keys Mode Set temp. Wired remote easy to press, user-intuitive ° F UTY-RVNUM Cool High Icon check: arrow key. controller Menu *Optional communication kit is necessary for installation.

  • Page 40: Outdoor Unit

    2. OUTDOOR UNIT SINGLE TYPE : AOU18RLB AOU24RLB AOU30RLXB AOU36RLXB DTR_AO199E_01 2014.12.26...
  • Page 41 CONTENTS 2. OUTDOOR UNIT 1. SPECIFICATION ....................02 - 01 2. DIMENSIONS ......................02 - 02 3. REFRIGERANT CIRCUIT ................02 - 04 4. WIRING DIAGRAMS ..................02 - 06 5. CAPACITY COMPENSATION RATE FOR PIPE LENGTH AND HEIGHT DIFFERENCE ..............

  • Page 42: Specification

    SPECIFICATION Type INVERTER HEAT PUMP Model name AOU18RLB AOU24RLB AOU30RLXB AOU36RLXB Power sourse 208 / 230V 60Hz Available voltage range 187 - 253V Starting current 10.5 13.8 17.0 1,206 1,457 2,119 Cooling (2,050) (2,475) (3,600) Airflow rate 1,083 1,407 2,119 Heating (1,840) (2,355)

  • Page 43: Dimensions

    DIMENSIONS   MODEL : AOU18RLB, AOU24RLB Unit : in. (mm) Top view 2-9/16 (65) 13/16 (20) 11/16 (18) 31-1/8 (790) 11-7/16 (290) 7/8 (23) 13-7/8 (352) Side view Front view 21-1/4 (540) Air flow 8-1/4 (209) Drain pipe 4-Ø7/16 (11.3) hole mounting place (Ø13/16 (20)) Bottom view...
  • Page 44   MODEL : AOU30RLXB, AOU36RLXB Unit : in. (mm) Top view 1-1/4 3-1/16 (77) 13 (330) (12) 35-7/16 (900) (31) Front view 15-3/4 (400) 25-9/16 (650) Side view Air Flow Bottom view 5-13/16 (147) 6-11/16 (170)   INSTALLATION PLACE When there are obstacles at When there are obstacles at When there are obstacles at the...

  • Page 45: Refrigerant Circuit

    REFRIGERANT CIRCUIT   MODEL : AOU18RLB, AOU24RLB 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.) Refrigerant pipe diameter Liquid: 1/4”...
  • Page 46   MODEL : AOU30RLXB, AOU36RLXB 3-Way Heat exchanger 3-Way valve (INDOOR) valve (Large) (Small) Muffler Pressure switch Strainer 4-Way valve Expansion valve Strainer Heat exchanger (OUTDOOR) Cooling Heating Thermistor (Compressor Temp.) Thermistor (Discharge Temp.) Thermistor (Outdoor Temp.) Thermistor (Heat Exchanger Out Temp.) Thermistor (Room Temp.) Thermistor (Pipe Temp.) Refrigerant pipe diameter...

  • Page 47: Wiring Diagrams

    WIRING DIAGRAMS   MODEL : AOU18RLB, AOU24RLB - (02 - 06) -...
  • Page 48   MODEL : AOU30RLXB, AOU36RLXB - (02 - 07) -...

  • Page 49: Capacity Compensation Rate For Pipe Length And Height Difference

    CAPACITY COMPENSATION RATE FOR PIPE LENGTH AND HEIGHT DIFFERENCE   MODEL : AOU18RLB, AOU24RLB Pipe length (m) COOLING 7.5m 17ft. 25ft. 33ft. 50ft. 67ft. 50ft. 0.951 0.950  1 33ft. 0.979 0.967 0.966 Indoor unit is upper than 7.5m 25ft.
  • Page 50   MODEL : AOU30RLXB, AOU36RLXB Pipe length COOLING 7.5m 16ft. 25ft. 33ft. 66ft. 99ft. 131ft. 164ft. 99ft. 0.932 0.929 0.924  1 66ft. 0.945 0.947 0.945 0.940 Indoor unit is upper 33ft. 0.984 0.961 0.963 0.960 0.956 than outdoor unit. 7.5m 25ft.

  • Page 51: Additional Charge Calculation

    ADDITIONAL CHARGE CALCULATION   MODEL : AOU18RLB, AOU24RLB Refrigerant type R410A lbs. oz. 3lbs. 1oz. Refrigerant amount 1400   REFRIGERANT CHARGE 49 or less 66 (MAX) Total pipe length 15 or less 20 (MAX) 0.22oz./ft. (20g/m) Additional charge ...

  • Page 52: Air Flow

    AIR FLOW   MODEL : AOU18RLB   Cooling Air flow 2050 1206   Heating Air flow 1840 1083   MODEL : AOU24RLB   Cooling Air flow 2475 1457   Heating Air flow 2355 1407 - (02 - 11) -...
  • Page 53   MODEL : AOU30RLXB   Cooling Air flow 3600 1000 2119   Heating Air flow 3600 1000 2119   MODEL : AOU36RLXB   Cooling Air flow 3600 1000 2119   Heating Air flow 3600 1000 2119 - (02 - 12) -...

  • Page 54: Operation Noise

    OPERATION NOISE 8-1. NOISE LEVEL CURVE   MODEL : AOU18RLB     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...
  • Page 55   MODEL : AOU30RLXB     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...

  • Page 56: Sound Level Check Point

    8-2. SOUND LEVEL CHECK POINT 39-3/8in. (1m) - (02 - 15) -...

  • Page 57: Electric Characteristics

    ELECTRIC CHARACTERISTICS Model name AOU18RLB AOU24RLB AOU30RLXB AOU36RLXB Voltage 208 / 230 ~ Power supply Frequency 14.6 17.1 23.3 Starting current 10.5 13.8 17.0 MAX. CKT. BKR Power cable Wiring spec. Connection cable *2 Limited wiring length : ft. (m) 68 (21) 167 (51) *1 : Selected sample based on Japan Electrotechnical Standards and Codes Committee E0005.

  • Page 58: Safety Devices

    SAFETY DEVICES Model Protection form AOU18RLB AOU24RLB AOU30RLXB AOU36RLXB Current fuse 5A 250V (NEAR THE TERMINAL) Circuit protection Current fuse (MAIN PRINTED CIRCUIT 3.15A 250V x 2 BOARD) Fan motor Thermal protection OFF : 212± 27 °F (100± 15 °C) OFF : 302±...

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