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Fujitsu AR A45LCTU Series Design & Technical Manual

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AIR CONDITIONER
Duct type
DESIGN & TECHNICAL MANUAL
SINGLE
INDOOR
OUTDOOR
AR  A45LCTU
AO  A45LBTL
AO  A45LCTL

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Summary of Contents for Fujitsu AR A45LCTU Series

  • Page 1 AIR CONDITIONER Duct type DESIGN & TECHNICAL MANUAL SINGLE INDOOR AR  A45LCTU OUTDOOR AO  A45LBTL AO  A45LCTL...
  • Page 2 1.INDOOR UNIT DUCT TYPE : ARA45LCTU D2D_AR046E/02 2011.03.03...

  • Page 3: Table Of Contents

    CONTENTS 1. INDOOR UNIT 1. FEATURE ........................01 - 01 2. WIRED REMOTE CONTROLLER ............01 - 03 3. SPECIFICATIONS ....................01 - 05 4. DIMENSIONS ......................01 - 07 5. WIRING DIAGRAMS ..................01 - 09 6. CAPACITY TABLE ....................

  • Page 4: Indoor Unit

    FEATURE MODELS „ „ ARA45LCTU / AOA45LBTL, AOA45LCTL AO  A45LBTL AO  A45LCTL FEATURES „ „ Energy saving „ High energy saving was realized by making the indoor unit and outdoor unit fan motor and compressor all DC and optimal design of the refrigerant cycle. Class A was achieved in European energy classifications.
  • Page 5 Easy maintenance „ It can easily access the fan and the motor by the divided panel structure. Structural improvement is attained by making the 1. Control box bottom panel two pieces, front and rear. 2. Fan casing The internal fan casing is also manufactured 3.

  • Page 6: Wired Remote Controller

    WIRED REMOTE CONTROLLER FEATURES „ „ Various timer setup (ON / OFF / WEEKLY) are possible.  „ Equipped with weekly timer as standard function.(2 times Start / Stop  „ per day for a week) When setting up a timer, operation mode and a temperature setup ...
  • Page 7 FUNCTIONS „ „ START/STOP button Pressed to start and stop operation. SET TEMP. button Selects the setting temperature. MODE button Selects the operating mode (AUTO, HEAT, FAN, COOL, DRY). FAN button Selects the fan speed (AUTO, QUIET, LOW, MED, HIGH). ECONOMY (THERMO SENSOR) button Turns the economy efficient mode on and off.

  • Page 8: Specifications

    SPECIFICATIONS DUCTED MODEL Type INVERTER HEATPUMP Indoor unit ARA45LCTU Model name Outdoor unit AOA45LBTL Power source 230V ~ 50Hz Available voltage range 198-264V ~ 50Hz Cooling European energy label Heating 12.5 Rated BTU/h 42700 Cooling 4.0-14.0 Min-Max BTU/h 13700-47800 Capacity 14.0 Rated BTU/h...
  • Page 9 DUCTED MODEL Type INVERTER HEATPUMP Indoor unit ARA45LCTU Model name Outdoor unit AOA45LCTL Power source 230V~ 50Hz Available voltage range 198-264V ~ 50Hz Cooling European energy label Heating 12.0 Rated BTU/h 41000 Cooling 4.0 - 13.3 Min.-Max. BTU/h 13700 - 45400 Capacity 13.3 Rated...

  • Page 10: Dimensions

    DIMENSIONS MODEL : ARA45LC „ „ (Unit : mm) Front view Side view (L) Side view (R) Top view Rear view  Refrigerant piping flare connection (Gas)  Refrigerant piping flare connection (Liquid)  Drain piping connection  Drain piping connection with cap. ...
  • Page 11 INSTALLATION PLACE „ „ (Unit : mm) 300 or more 150 or more MAINTENANCE HOLE „ „ It shall be possible to install and remove the It shall be possible to install and remove the control box. control box, fan units and filter. Maintenance hole Maintenance hole Intake panel...

  • Page 12: Wiring Diagrams

    WIRING DIAGRAMS MODEL : ARA45LC „ „ - (01 - 09) -...

  • Page 13: Capacity Table

    CAPACITY TABLE 6-1. COOLING CAPACITY This table is created using the maximum capacity. MODEL : ARA45LC / AOA45LB „ „ 35.0 Indoor temperature °CDB °CWB °CDB 10.59 8.61 1.51 11.80 8.66 1.54 12.20 9.42 1.55 13.00 9.45 1.56 13.41 10.20 1.57 14.21 10.16 1.58 15.02 10.82 1.60 10.20 8.42...

  • Page 14: Heating Capacity

    6-2. HEATING CAPACITY This table is created using the maximum capacity. MODEL : ARA45LC / AOA45LB „ „ 35.0 Indoor temperature °CDB °CDB °CWB 11.58 4.19 11.31 4.28 11.03 4.37 10.75 4.46 10.48 4.54 12.51 4.19 12.22 4.28 11.92 4.36 11.62 4.45 11.32...

  • Page 15: Fan Performance And Capacity

    FAN PERFORMANCE AND CAPACITY 7-1. NORMAL MODE MODEL : ARA45LC / AOA45LB „ „ Static pressure (Pa) – – – – – 2250 2223 2010 – – – – – – – – – – 1324 1308 1183 – – –...
  • Page 16 MODEL : ARA45LC / AOA45LC „ „ Static pressure (Pa) – – – – – 2250 2223 2010 – – – – – – – – – – 1324 1308 1183 – – – 1710 1685 1585 1540 – – –...

  • Page 17: High Static Mode

    7-2. HIGH STATIC MODE 7-2-1. MODE 1 MODEL : ARA45LC / AOA45LB „ „ Static pressure (Pa) 2100 2075 1970 1810 1236 1221 1159 1065 1750 1555 1520 1030 1350 1190 1070 Quiet Q-h Characteristic curve Quiet 1,100 1,300 1,500 1,700 1,900 2,100...
  • Page 18 MODEL : ARA45LC / AOA45LC „ „ Static pressure (Pa) 2100 2075 1970 1810 1236 1221 1159 1065 1750 1555 1520 1030 1350 1190 1070 Quiet Q-h Characteristic curve Quiet 1,100 1,300 1,500 1,700 1,900 2,100 2,300 Air flow (m Q-q Performance curve COOLING 17.0...

  • Page 19: Mode 2

    7-2-2. MODE 2 MODEL : ARA45LC / AOA45LB „ „ Static pressure (Pa) – – – – – – 1900 1660 – – – – – – – – – – – – 1118 – – – – 1600 1400 –...
  • Page 20 MODEL : ARA45LC / AOA45LC „ „ Static pressure (Pa) – – – – – – 1900 1660 – – – – – – – – – – – – 1118 – – – – 1600 1400 – – – –...

  • Page 21: Mode 3

    7-2-3. MODE 3 MODEL : ARA45LC / AOA45LB „ „ Static pressure (Pa) – – – – – – 1730 1500 – – – – – – – – – – – – 1018 – – – – 1530 1310 –...
  • Page 22 MODEL : ARA45LC / AOA45LC „ „ Static pressure (Pa) – – – – – – 1730 1500 – – – – – – – – – – – – 1018 – – – – 1530 1310 – – – –...

  • Page 23: Operation Noise

    OPERATION NOISE 8-1. NOISE LEVEL CURVE Condition Static pressure : 60Pa MODEL : ARA45LC „ „ Static pressure mode : High Static (Mode 1) Cooling Heating „ „ NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 HIGH NC-45 NC-45 HIGH NC-40 NC-40 NC-35...

  • Page 24: Sound Level Check Point

    8-2. SOUND LEVEL CHECK POINT Measuring duct Measuring duct Set the static pressure as rating in this area Microphone Microphone - (01 - 21) -...

  • Page 25: Electric Characteristics

    ELECTRIC CHARACTERISTICS Model name AR  A45LC Voltage 230 ~ Power supply Frequency Max. operating current (Indoor unit) Connection cable 1.5-2.5 Wiring spec. (Indoor unit to outdoor unit) Limited wiring length - (01 - 22) -...

  • Page 26: Safety Devices

    SAFETY DEVICES Model Protection form AR  A45LC Circuit protection Current fuse (PCB) 3.15A 250V Over current protection 1.90±0.24A Fan motor protection 115±15°C OFF Thermal protection program 70°C ON - (01 - 23) -...
  • Page 27 EXTERNAL INPUT & OUTPUT Connector INPUT OUTPUT REMARKS Control input CN102 — (Operation/Stop) CN103 — Operation status output See external input/output settings for details. — Fresh air control output CN10 — Auxiliary heater output 11-1. EXTERNAL INPUT CONTROL INPUT (Operation/Stop) „...
  • Page 28 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 *10 m Signal Field supply * Make the distance from the PC board to the connected unit within 10m.
  • Page 29 FRESH AIR CONTROL OUTPUT „ „ A signal linked to air conditioner indoor fan ON can be output. * However, signal becomes OFF during cold air prevention control operation. Circuit diagram example „ Indoor Connected unit control PC board Ex.) Fan Ex.) Relay unit 12 V Connector...
  • Page 30 AUXILIARY HEATER OUTPUT „ „ A signal is outputed from Connector when indoor fan and compressor turn on under heating operation. Tr-Ts * Signal output performance specifications are as Tr-Ts = -1°C shown on the right Tr-Ts = -3°C Ex. When Set Temperature(Ts) is 22°C ▪ a nd Room Temperature(Tr) increase above 12°C, signal output is on.

  • Page 31: Function Setting

    FUNCTION SETTING 12-1. INDOOR UNIT INDOOR UNIT DIP SW Indoor unit address setting Remote controller signal code Jumper Wire Fan delay setting SWITCH POSITION „ „ MAIN PCB Indoor unit Printed circuit board DIP-SW SETTING „ „ Indoor unit address setting „...
  • Page 32 JUMPER WIRE SETTING „ „ Remote control unit signal cod e (JM1, JM2) „ Indoor unit setting  Factory setting) Jumper wire Remote control unit signal code JM 1 JM 2 Connect Connect  Disconnect Connect Connect Disconnect Disconnect Disconnect Fan delay setting (JM3) „...

  • Page 33: Indoor Unit (Setting By Remote Controller)

    12-2. 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” according to the installation conditions using the remote controller.
  • Page 34 (5) Press the TIMER SET button to confirm the setting. Press the TIMER SET button for a few seconds until the setting value stops flashing. If the setting value display changes or if “- -” is displayed when the flashing stops, the setting value has not been set correctly. (An invalid setting value may have been selected for the indoor unit.) SU MO TU WE TH FR SA Setting value...

  • Page 35: Wired Remote Controller

    12-3. WIRED REMOTE CONTROLLER Can not be used. (Do not change) Dual remote controller setting Can not be used. (Do not change) DIP SW Can not be used. (Do not change) Can not be used. (Do not change) Memory backup setting SWITCH POSITION „...

  • Page 36: Optional Parts

    OPTIONAL PARTS Exterior Parts name Model No. Summary Square flange UTD-SF045T Both the Square flange and the Round flange can be selected. Round flange is also used when the fresh air duct is installed Round flange UTD-RF204 Long-life filter can be Long-life filter UTD-LF25NA mounted to the indoor unit.
  • Page 37 2. OUTDOOR UNIT SINGLE TYPE : AO  A45LBTL D2D_AO052E/01 2009.04.30...
  • Page 38 CONTENTS 2. OUTDOOR UNIT 2-1. SPECIFICATIONS ..................02-01 2-2. DIMENSIONS ..................... 02-02 2-3. REFRIGERANT CIRCUIT ................. 02-03 2-4. WIRING DIAGRAMS ..................02-04 2-5. CAPACITY COMPENSATION RATE FOR PIPE LENGTH AND HEIGHT DIFFERENCE ..............02-05 2-6. ADDITIONAL CHARGE CALCULATION ........02-06 2-7.

  • Page 39: Specifications

    2-1. SPECIFICATIONS Type INVERTER HEATPUMP Model name AO  A45LBTL Power source 230V ~ 50Hz Available voltage range 198-264V ~ 50Hz Starting current 15.0 Cooling 6600 Airflow rate Heating 6600 Type × Q'ty Propeller × 2 Motor output 103 × 2 Cooling Sound pressure level dB(A)

  • Page 40: Dimensions

    2-2. DIMENSIONS MODEL : AOA45L „ „ (Unit : mm) Top view Front view Side view Air flow Drain cap 4-Ø12mm hole mounting places Bottom view MOUNTING POSITION „ „ When there are obstacles When there are obstacles When there are obstacles When there are obstacles at the at the back or front side.

  • Page 41: Refrigerant Circuit

    2-3. REFRIGERANT CIRCUIT MODEL : AOA45L „ „ - (02 - 03) -...

  • Page 42: Wiring Diagrams

    2-4. WIRING DIAGRAMS MODEL : AOA45L „ „ - (02 - 04) -...

  • Page 43: Capacity Compensation Rate For Pipe Length And Height Difference

    2-5. CAPACITY COMPENSATION RATE FOR PIPE LENGTH AND HEIGHT DIFFERENCE This table is created using the maximum capacity. MODEL : AOA45L „ „ Pipe length (m) COOLING – – – – 0.893 0.890 0.870 – – – 0.919 0.908 0.905 0.885 ...

  • Page 44: Additional Charge Calculation

    2-6. ADDITIONAL CHARGE CALCULATION MODEL : AO „ „ A45L Refrigerant type R410A Refrigerant amount 3350 Refrigerant charge „ Pipe length ~ 20 50g/m Additional charge 0 (Chargeless) +500 +1000 +1500 - (02 - 06) -...

  • Page 45: Air Flow

    2-7. AIR FLOW MODEL : AOA45L „ „ Cooling „ Number of rotations Air flow (r.p.m) 6600 Upper fan 1833 Lower fan 3884 Heating „ Number of rotations Air flow (r.p.m) 6600 Upper fan 1833 Lower fan 3884 - (02 - 07) -...

  • Page 46: Operation Noise

    2-8. OPERATION NOISE 2-8-1. NOISE LEVEL CURVE MODEL : AOA45L „ „ Cooling „ NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 NC-15 1,000 2,000 4,000 8,000 Octave band center frequency,Hz Heating „ NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30...

  • Page 47: 2-8-2. Sound Level Check Point

    2-8-2. SOUND LEVEL CHECK POINT Air Fiow Microphone Microphone - (02 - 09) -...

  • Page 48: Electric Characteristics

    2-9. ELECTRIC CHARACTERISTICS Model Name AO  A45L Voltage 230 ~ Power Supply Frequency Max. Operating Current 20.0 Starting Current 15.0 Main Fuse (Circuit breaker) Current *1) Wiring Spec. Power Cable 5.3 - 6.0 *2)Limited wiring length *1) Wiring Spec. : Selected Sample (Selected based on Japan Electrotechnical Standard and Codes Committee E0005) *2) Limited Wiring length :...

  • Page 49: Safety Devices

    2-10. SAFETY DEVICES Model Protection form AO  A45L Current fuse (NEAR THE TERMINAL) 25A 250V Current fuse (NEAR THE TERMINAL) 10A 250V Circuit protection Current fuse (MAIN PRINTED CIRCUIT BOARD) 5A 250V Current fuse (MAIN PRINTED CIRCUIT BOARD) 3.15A 250V OFF : 130±20°C Fan motor protection Thermal protection program...
  • Page 50 2. OUTDOOR UNIT SINGLE TYPE : AOA45LCTL AOA54LCTL DTR_AO081E_01 2011.03.01...
  • Page 51 CONTENTS 2. OUTDOOR UNIT SPECIFICATIONS ······························································································ 02 - 01 2. DIMENSIONS ········································································································ 02 - 02 INSTALLATION PLACE ················································································ 02 - 03 3-1. SINGLE OUTDOOR UNIT INSTALLATION ················································· 02 - 03 3-2. MULTIPLE OUTDOOR UNIT INSTALLATION ············································ 02 - 04 3-3. OUTDOOR UNIT INSTALLATION IN MULTI ROW ···································...

  • Page 52: Specifications

    SPECIFICATIONS Model name AOA45LCTL AOA54LCTL Power source 1Ø 230V~ 50Hz Available voltage range 198-264V~ 50Hz Starting current 18.9 20.9 Cooling 6,750 6,750 Airflow rate Heating 6,200 6,850 Type × Q'ty Propeller × 2 Motor output Cooling Sound pressure level dB(A) Heating Dimensions (H ×...

  • Page 53: Dimensions

    DIMENSIONS MODEL : AOA45LC, AOA54LC „ „ (Unit : mm) Top view Terminal blocks 3-way valve ( Liquid ) 3-way valve ( Gas ) Ø28 (Cable port) Ø28 (Cable port) Pipe port Pipe port Pipe port Front view Side view Rear view Detail A Pipe &...

  • Page 54: Installation Place

    INSTALLATION PLACE 3-1. SINGLE OUTDOOR UNIT INSTALLATION WHEN THE UPWARD AREA IS OPEN „ „ (Unit : mm) Obstacles at front and Obstacles at rear Obstacles at rear and Obstacles at front only sides only only rear only 1000 or more 1000 or more WHEN AN OBSTRUCTION IS PRESENT ALSO IN THE UPWARD AREA „...

  • Page 55: Multiple Outdoor Unit Installation

    3-2. MULTIPLE OUTDOOR UNIT INSTALLATION WHEN THE UPWARD AREA IS OPEN „ „ (Unit : mm) Obstacles at rear only Obstacles at front only Obstacles at front and rear only 1500 or more 1500 or more WHEN AN OBSTRUCTION IS PRESENT ALSO IN THE UPWARD AREA „...

  • Page 56: Refrigerant Circuit

    REFRIGERANT CIRCUIT MODEL : AOA45LC, AOA54LC „ „ - (02 - 05) -...

  • Page 57: Wiring Diagrams

    WIRING DIAGRAMS MODEL : AOA45LC, AOA54LC „ „ - (02 - 06) -...

  • Page 58: Capacity Compensation Rate For Pipe Length And Height Difference

    CAPACITY COMPENSATION RATE FOR PIPE LENGTH AND HEIGHT DIFFERENCE MODEL : AOA45LC „ „ Pipe length (m) COOLING 0.879 0.846 0.814 Û 1 0.926 0.893 0.861 0.828 Indoor unit is 0.975 0.942 0.908 0.875 0.841 upper than 0.988 0.979 0.946 0.912 0.878 0.845...
  • Page 59 MODEL : AOA54LC „ „ Pipe length (m) COOLING 0.871 0.837 0.803 Û 1 0.921 0.886 0.851 0.816 Indoor unit is 0.971 0.936 0.900 0.865 0.830 upper than 0.988 0.975 0.940 0.904 0.868 0.833 outdoor unit. 0.992 0.992 0.979 0.943 0.908 0.872 0.836...

  • Page 60: Additional Charge Calculation

    ADDITIONAL CHARGE CALCULATION MODEL : AOA45LC, AOA54LC „ „ Refrigerant type R410A Refrigerant amount 3,350 REFRIGERANT CHARGE „ Total pipe length 20 or less 50 (MAX) 40g/m Additional charge 1200 - (02 - 09) -...

  • Page 61: Air Flow

    AIR FLOW MODEL : AOA45LC, AOA54LC „ „ Cooling „ Number of MODEL rotations Air flow (r.p.m.) 6750 Upper fan AO  A45LC 1875 Lower fan 3974 6750 Upper fan AO  A54LC 1875 Lower fan 3974 Heating „ Number of MODEL rotations Air flow...

  • Page 62: Operation Noise

    OPERATION NOISE 9-1. NOISE LEVEL CURVE MODEL : AOA45LC „ „ 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 63: Sound Level Check Point

    9-2. SOUND LEVEL CHECK POINT Air Flow Microphone Microphone - (02 - 12) -...

  • Page 64: Electric Characteristics

    ELECTRIC CHARACTERISTICS Model name AO  A45LC AO  A54LC Voltage 230 ~ Power supply Frequency *1) Max. operating current 22.5 23.5 Main fuse (Circuit breaker) *2) Wiring spec. Current Power cable *1) The maximum current is the total current of indoor unit and outdoor unit. *2) Wiring spec.

  • Page 65: Safety Devices

    SAFETY DEVICES Model Protection form AO  A45LC AO  A54LC Current fuse 10A 250V, 3.15A 250V (Filter printed circuit board) Circuit protection Current fuse 3.15A 250V (Main printed circuit board) OFF : 150±15°C Fan motor protector Thermal protector ON : 120±15°C Thermal protection program OFF : 108°C (Compressor temp.)

  • Page 66: External Input & Output

    EXTERNAL INPUT & OUTPUT Input Output Connector Remarks Low noise mode ― CN10 Peak cut mode ― CN11 See external input/output settings ― Error status CN12 for details. ― Compressor status CN13 12-1. EXTERNAL INPUT ON/OFF of the "Low noise mode" and "Peak cut mode" functions can be specified by external signal.
  • Page 67 PEAK CUT MODE „ „ • Operation that suppressed the current value can be performed by means of the following on- site work. The air conditioner is set to the Peak cut mode when closing the contact input of a commercial ON/OFF switch to a connector on the outdoor control PC board.

  • Page 68: External Output

    12-2. EXTERNAL OUTPUT ERROR STATUS OUTPUT „ „ • An air conditioner error status signal is produced when a malfunction occurs. Circuit diagram example „ Outdoor unit Connected unit control PC board Connector Power supply 1) Power supply ●Voltage (Chart sign=Vcc) : DC 24V or less 2) Load Load ●...
  • Page 69 COMPRESSOR STATUS OUTPUT „ „ • Compressor operation status signal is produced when the compressor is running. Circuit diagram example „ Outdoor unit Connected unit control PC board Connector Power supply 1) Power supply ●Voltage (Chart sign=Vcc) : DC 24V or less 2) Load Load ●...

  • Page 70: Function Setting

    FUNCTION SETTING Caution Discharge the static electricity from your body before setting up the push buttons. Never touch the terminals or the patterns on the parts that are mounted on the board. 13-1. FIELD SETTING SWITCHES The positions of the switches on the outdoor unit control board are shown in the figure below. LED lamps Push buttons...

  • Page 71: Setting Method

    13-2. SETTING METHOD  Stop the operation of air conditioner before this setting. 13-2-1. LOW NOISE MODE LED lamp part (1) Switch to “Local setting mode” by pressing [MODE] button (SW1) for 3 seconds or more. (2) Confirm (POWER / MODE) blinks 9 times, and press [ENTER] button (SW3). PUMP POWER LOW NOISE...

  • Page 72: Peak Cut Mode

    13-2-2. PEAK CUT MODE LED lamp part (1) Switch to “Local setting mode” by pressing [MODE] button (SW1) for 3 seconds or more. (2) Confirm (POWER / MODE) blinks 9 times, and press [ENTER] button (SW3). PUMP POWER LOW NOISE PEAK CUT DOWN ERROR...

  • Page 73: Optional Parts

    OPTIONAL PARTS Exterior Parts name Model No. Summary Use to operate the External input External connect UTY-XWZXZ3 and output function of Outdoor unit. - (02 - 22) -...

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