Fujitsu ASU18RLF Design & Technical Manual
Fujitsu ASU18RLF Design & Technical Manual

Fujitsu ASU18RLF Design & Technical Manual

Wall mounted type
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AIR CONDITIONER

Wall Mounted type

DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
ASU18RLF
ASU24RLF
AOU18RLXFW
AOU24RLXFW

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Summary of Contents for Fujitsu ASU18RLF

  • Page 1: Wall Mounted Type

    AIR CONDITIONER Wall Mounted type DESIGN & TECHNICAL MANUAL INDOOR ASU18RLF ASU24RLF OUTDOOR AOU18RLXFW AOU24RLXFW...
  • Page 2: Indoor Unit

    1. INDOOR UNIT WALL MOUNTED TYPE : ASU18RLF ASU24RLF DTR_AS051E_02 2011.01.28...
  • 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 „ „ ASU18RLF ASU24RLF FEATURES „ „ High energy performance „ MODEL ASU18RLF ASU24RLF Seasonal Energy Efficiency Ratio (SEER) 19.2 18.0 Heating Seasonal Performance Factor (HSPF) BTU/hW 10.0 10.0 Energy Efficient Ratio (EER) 13.3 12.5 MEASUREMENT CONDITIONS ANSI/ASHRAE STANDARD 37-1988 ALL DC „...
  • Page 5 Power diffuser „ Adoption of large power diffuser “Strong vertical air flow” provides powerful floor level heating. (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 flap : Downward Horizontal flap : 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 ● Economy operation is energy saving, as the set temperature of indoor unit is shifted Economy 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 (4 patterns). Built-in timers „...
  • 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 ASU18RLF ASU24RLF Power source 208/230V ~ 60Hz Available voltage range 187-253V ~ 60Hz 5.28 6.44 Rated BTU/h 18,000 22,000 Cooling 2.05 - 6.74 2.90 - 8.00 Min-Max BTU/h 7,000 - 23,000...
  • Page 10: Dimensions

    DIMENSIONS MODEL : ASU18RLF, ASU24RLF „ „ Unit : in (mm) 39-9/32 (998) 20-15/32 (520) 8-31/32 23-7/32 (590) (228) 1 (25) 28-3/8 (721) 20-15/32 (520) 1-15/32 (37) 25/32 (20) Unit center 15-3/4 (400) 17-9/32 (439) 23/32 x 7/16 (18 x 11) hole...
  • Page 11: Installation Place

    INSTALLATION PLACE „ „ Unit : in (mm) Outline of unit 2-1/16 (52) or more 2-3/32 (53) or more 3-5/32 (80) or more 4-23/32 (120) or more 59-1/16 (1500) or more - (01 - 08) -...
  • Page 12: Wiring Diagrams

    WIRING DIAGRAMS MODEL : ASU18RLF, ASU24RLF „ „ - (01 - 09) -...
  • Page 13: Capacity Table

    CAPACITY TABLE 6-1. COOLING CAPACITY MODEL : ASU18RLF „ „ Indoor temperature °FDB °FWB °FDB 17.36 11.16 0.78 19.34 11.23 0.79 21.31 12.24 0.80 21.97 13.22 0.81 23.29 13.17 0.81 24.61 14.03 0.82 16.66 10.86 0.92 18.56 10.93 0.93 20.46 11.92 0.95...
  • Page 14: Heating Capacity

    6-2. HEATING CAPACITY MODEL : ASU18RLF „ „ Indoor temperature °FDB °FDB °FWB 18.8 2.50 18.4 2.55 17.9 2.60 17.5 2.65 17.0 2.70 21.3 2.67 20.8 2.73 20.3 2.78 19.8 2.84 19.3 2.89 24.7 2.86 24.1 2.92 23.5 2.98 22.9 3.04...
  • Page 15: Fan Performance

    FAN PERFORMANCE 7-1. AIR VELOCITY DISTRIBUTION Note: Fan speed : High MODEL : ASU18RLF „ „ Operation mode : FAN Voltage : 230V Unit : ft/s (m/s) (ft) 7(2) 3(1) 2(0.5) TOP VIEW Vertical flap : Up Horizontal flap : Center...
  • Page 16 Note: Fan speed : High MODEL : ASU24RLF „ „ Operation mode : FAN Voltage : 230V Unit : ft/s (m/s) (ft) 7(2) 3(1) 2(0.5) TOP VIEW Vertical flap : Up Horizontal flap : Center (ft) (ft) Unit : ft/s (m/s) 7(2) 3(1) 2(0.5)
  • Page 17: Air Flow

    7-2. AIR FLOW MODEL : ASU18RLF „ „ Cooling „ Number of Fan speed rotations Air flow (r.p.m.) HIGH 1260 1020 QUIET Heating „ Number of Fan speed rotations Air flow (r.p.m.) HIGH 1260 1020 QUIET - (01 - 14) -...
  • Page 18 MODEL : ASU24RLF „ „ Cooling „ Number of Fan speed rotations Air flow (r.p.m.) 1120 HIGH 1480 1220 1020 QUIET Heating „ Number of Fan speed rotations Air flow (r.p.m.) 1150 HIGH 1530 1220 1020 QUIET - (01 - 15) -...
  • Page 19: Operation Noise

    OPERATION NOISE 8-1. NOISE LEVEL CURVE MODEL : ASU18RLF „ „ 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...
  • Page 20: Sound Level Check Point

    8-2. SOUND LEVEL CHECK POINT 3ft. 3- in. (1m) - (01 - 17) -...
  • Page 21: Electric Characteristics

    ELECTRIC CHARACTERISTICS Model Name ASU18RLF ASU24RLF Voltage 208 / 230 ~ Power Supply Frequency Max. Operating Current Connection Cable *1)Wiring Spec. Limited wiring length ft. (m) 167 (50) *1) Wiring Spec. Selected Sample (Selected based on Japan Electrotechnical Standard and Codes Committee E0005)
  • Page 22: Safety Devices

    SAFETY DEVICES Model Protection form ASU18RLF ASU24RLF Circuit protection Current fuse (PCB) 3.15A 250V Terminal protection Current fuse 3A 250V °F (100 °C) OFF Fan motor protection Thermal protection program °F (95 °C) ON - (01 - 19) -...
  • Page 23: External Input & Output

    EXTERNAL INPUT & OUTPUT Connector INPUT OUTPUT REMARKS CN14 Control input See external input/output settings CN16 Operation status output for details. 11-1. 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 24 ● 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 - 21) -...
  • Page 25: External Output

    11-2. 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 26: Function Setting

    FUNCTION SETTING 12-1. 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 27: Function Details

    FUNCTION DETAILS „ „ Functions Wall mounted 1) Filter sign 2) Cooler room temperature correction 3) Heater room temperature correction 4) Auto restart Indoor room temperature sensor switching function 6) Remote controller signal code 7) External input control 1) Filter sign The indoor unit has a sign to inform the user that it is time to clean the filter.
  • Page 28 4) Auto restart Enable or disable automatic system restart after a power outage. (  ... Factory setting) Setting description Function number Setting value  * Auto restart is an emergency function such as for power failure etc. Do not start and stop the indoor unit by this function in normal operation. Be sure to operate by the control unit, or external input device.
  • Page 29 REMOTE CONTROLLER SIGNAL CODE SETTING „ „ Use the following steps to select the signal code of the remote controller. (Note that the air conditioner cannot receive a signal code if the air conditioner has not been set for the signal code.) Press the START/STOP button until only the clock is displayed on the remote controller display.
  • Page 30: Optional Parts

    OPTIONAL PARTS Exterior Parts name Model No. Summary Fine dust, invisible mold spores, and harmful microorganisms are absorbed UTR-FA13-1 Apple-catechin onto the filter by static filter electricity, and further growth (9315361011) *1 is inhibited and deactivated by the polyphenol ingredient extracted from apples.
  • Page 31: Outdoor Unit

    2. OUTDOOR UNIT SINGLE TYPE : AOU18RLXFW AOU24RLXFW DTR_AO077E_02 2011.01.28...
  • Page 32 CONTENTS 2. OUTDOOR UNIT 1. SPECIFICATIONS ....................02 - 01 2. DIMENSIONS ......................02 - 02 3. REFRIGERANT CIRCUIT ................02 - 03 4. WIRING DIAGRAMS ..................02 - 04 5. CAPACITY COMPENSATION RATE FOR PIPE LENGTH AND HEIGHT DIFFERENCE ..................
  • Page 33: Specifications

    SPECIFICATIONS Type INVERTER HEAT PUMP Model name AOU18RLXFW AOU24RLXFW Power source 208/230V ~ 60Hz Available voltage range 187-253V ~ 60Hz Starting current 10.5 Cooling 1,489 (2,530) 2,001 (3,400) Airflow rate Heating 1,489 (2,530) 2,119 (3,600) Type × Q'ty Propeller fan×1 Motor output Cooling Sound pressure level...
  • Page 34: Dimensions

    DIMENSIONS MODEL : AOU18RLXFW, AOU24RLXFW „ „ Unit : in.(mm) Top view 1-1/4 3(77) 13 (330) (12) 35-3/8 (900) (31) Front view 15-3/4 (400) Side view 25-5/8 (650) Air Flow Bottom view 5-3/4 (147) 6-3/4 (170) INSTALLATION PLACE „ „ When there are obstacles at the When there are obstacles at the When there are obstacles at the...
  • Page 35: Refrigerant Circuit

    REFRIGERANT CIRCUIT MODEL : AOU18RLXFW, AOU24RLXFW „ „ Heat exchanger 3-Way 3-Way valve ( INDOOR ) valve (Large) (Small) Muffler Pressure switch 4-Way valve Strainer Expansion valve Heat exchanger Strainer ( OUTDOOR ) Cooling Heating Refrigerant pipe diameter Liquid : 3/8" (9.52 mm) Gas : 5/8"...
  • Page 36: Wiring Diagrams

    WIRING DIAGRAMS MODEL : AOU18RLXFW „ „ - (02 - 04) -...
  • Page 37 MODEL : AOU24RLXFW „ „ - (02 - 05) -...
  • Page 38: Capacity Compensation Rate For Pipe Length And Height Difference

    CAPACITY COMPENSATION RATE FOR PIPE LENGTH AND HEIGHT DIFFERENCE MODEL : AOU18RLXFW, AOU24RLXFW „ „ Pipe length COOLING 7.5m 16ft. 25ft. 33ft. 66ft. 99ft. 131ft. 164ft. 99ft. 0.932 0.929 0.924 Ú 1 66ft. 0.945 0.947 0.945 0.940 Indoor unit is upper 33ft.
  • Page 39: Additional Charge Calculation

    ADDITIONAL CHARGE CALCULATION MODEL : AOU18RLXFW, AOU24RLXFW „ „ Refrigerant type R410A lbs. oz. 4lbs. 10.1oz. Refrigerant amount 2100 REFRIGERANT CHARGE „ 66 or less Total pipe length 20 or less 50 (MAX) 0.43oz./ft. (40g/m) 14.1 28.2 42.3 Additional charge 1200 - (02 - 07) -...
  • Page 40: Air Flow

    AIR FLOW MODEL : AOU18RLXFW „ „ Cooling „ Number of rotations Air flow (r.p.m.) 2530 1489 Heating „ Number of rotations Air flow (r.p.m.) 2530 1489 MODEL : AOU24RLXFW „ „ Cooling „ Number of rotations Air flow (r.p.m.) 3400 2001 Heating...
  • Page 41: Operation Noise

    OPERATION NOISE 8-1. NOISE LEVEL CURVE MODEL : AOU18RLXFW „ „ 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...
  • Page 42: Sound Level Check Point

    8-2. SOUND LEVEL CHECK POINT 39-3/8 in. (1m) - (02 - 10) -...
  • Page 43: Electric Characteristics

    ELECTRIC CHARACTERISTICS Model Name AOU18RLXFW AOU24RLXFW Voltage 208 / 230~ Power Supply Frequency *1) Max. Operating Current 14.5 15.5 Starting Current 10.5 Main Fuse (Circuit breaker) Current *2) Wiring Spec. Power Cable *3) Limited wiring length ft.(m) 70 (21) 66 (20) *1) The maximum current is the total current of indoor unit and outdoor unit.
  • Page 44: Safety Devices

    SAFETY DEVICES Model Protection form AOU18RLXFW AOU24RLXFW Current fuse 5A 250V (NEAR THE TERMINAL) Circuit protection Current fuse (MAIN PRINTED 3.15A 250V x 2 CIRCUIT BOARD) OFF : 230 °F (110 °C) Thermal protection Fan motor protection program ON : 221 °F (105 °C) High Pressure...

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