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Fujitsu AB A45LCT Series Design & Technical Manual

Ceiling type
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AIR CONDITIONER
Ceiling type
DESIGN & TECHNICAL MANUAL
SINGLE
INDOOR
OUTDOOR
AB  A45LCT
AO  A45LBTL
AO  A45LCTL
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Summary of Contents for Fujitsu AB A45LCT Series

  • Page 1 AIR CONDITIONER Ceiling type DESIGN & TECHNICAL MANUAL SINGLE INDOOR AB  A45LCT OUTDOOR AO  A45LBTL AO  A45LCTL...

  • Page 2: Indoor Unit

    1. INDOOR UNIT CEILING TYPE : AB  A45LCT D2D_AB031E/02 2011.03.01...

  • Page 3: Table Of Contents

    CONTENTS 1. INDOOR UNIT FEATURE ......................01 - 01 WIRELESS REMOTE CONTROLLER ......... 01 - 03 SPECIFICATIONS ..................01 - 05 DIMENSIONS ....................01 - 07 WIRING DIAGRAMS .................. 01 - 09 CAPACITY TABLE ..................01 - 10 6-1. COOLING CAPACITY ................

  • Page 4: Feature

    FEATURE MODEL „ „ ABA45LCT / AOA45LBTL, AOA45LCTL FEATURES „ „ AO  A45LBTL AO  A45LCTL 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 Filter sign operating time (Standard/long/short/no display) „ Filter sign display time interval and filter sign no display can be selected. Fresh-air intake „ INDOOR OUTDOOR FUNCTION SETTING „ „ Ceiling height (standard/high ceiling) „ Air conditioner operation capacity (air flow) switching is possible as response to height of installation ceiling.

  • Page 6: Wireless Remote Controller

    WIRELESS REMOTE CONTROLLER FEATURES „ „ Four kinds of timer setup (ON / OFF / PROGRAM / SLEEP) are  „ possible. Four kinds of timers. Easy operation.  „ Easy to change transmission code (4 patterns) by button operation. ...
  • Page 7 FUNCTIONS „ „ MODE button Selects the operating mode (AUTO, HEAT, FAN, COOL, DRY). / Start / end R.C. custom code change. (Max 4 types) ECONOMY button SET TEMP. button ( Set remote controller custom code buttons. Sets the indoor temp./ Sets R.C. custom code. FILTER RESET button SLEEP button Pressed to select sleep timer.

  • Page 8: Specifications

    SPECIFICATIONS CEILING MODEL Type INVERTER HEATPUMP Indoor unit ABA45LCT 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 CEILING MODEL Type INVERTER HEATPUMP Indoor unit ABA45LCT 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 BTU/h 45400...

  • Page 10: Dimensions

    DIMENSIONS MODEL : ABA45LC „ „ (Unit : mm) 1,600 Top view Side view Rear view Suspension bolt pitch Dimensions 1,600 (Space Required for Installation) INDOOR UNIT (Top view) Suspension bolt should extend INDOOR UNIT outward 30 to 75.  Refrigerant piping flare connection (Gas) ...
  • Page 11 INSTALLATION PLACE „ „ (Unit : mm) Ceiling INDOOR UNIT 80 or more 150 or more Ceiling 10 or more Obstruction Floor Ceiling panel INDOOR UNIT Ceiling panel 80 or more 150 or more 10 or more Obstruction Floor - (01 - 08) -...

  • Page 12: Wiring Diagrams

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

  • Page 13: Capacity Table

    CAPACITY TABLE 6-1. COOLING CAPACITY This table is created using the maximum capacity. MODEL : ABA45LC / AOA45LB „ „ 35.0 Indoor temperature °CDB °CWB °CDB 10.77 8.56 1.38 11.99 8.61 1.40 12.40 9.36 1.41 13.22 9.39 1.42 13.63 10.15 1.43 14.44 10.11 1.45...

  • Page 14: Heating Capacity

    6-2. HEATING CAPACITY This table is created using the maximum capacity. MODEL : ABA45LC / AOA45LB „ „ 35.0 Indoor temperature °CDB °CDB °CWB 11.62 4.18 11.35 4.26 11.07 4.35 10.79 4.44 10.52 4.52 12.41 4.16 12.11 4.25 11.82 4.33 11.52 4.42 11.23...

  • Page 15: Fan Performance

    FAN PERFORMANCE 7-1. AIR VELOCITY DISTRIBUTION MODEL : ABA45LC „ „ Note: Condition Fan speed : High Unit : m/s Operation mode : FAN 0.25 Unit : m/s 10 11 12 13 14 15 16 17 Top view Vertical flap : Up Horizontal flap : Center 0.25 Unit : m/s...

  • Page 16: Air Flow

    7-2. AIR FLOW MODEL : ABA45LC „ „ Cooling „ Number of Fan speed rotations Air flow (r.p.m.) 2100 HIGH 1200 1236 1700 1000 1000 1400 1100 QUIET Heating „ Number of Fan speed rotations Air flow (r.p.m.) 2100 HIGH 1200 1236 1700...

  • Page 17: Fresh Air Characteristic

    7-3. FRESH AIR CHARACTERISTIC MODEL : ABA45LC „ „ (mmAq) (Pa) 98 Fresh air flow (m /min) - (01 - 14) -...

  • Page 18: Operation Noise

    OPERATION NOISE 8-1. NOISE LEVEL CURVE MODEL : ABA45LC „ „ 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...

  • Page 19: Sound Level Check Point

    8-2. SOUND LEVEL CHECK POINT Microphone Microphone - (01 - 16) -...

  • Page 20: Electric Characteristics

    ELECTRIC CHARACTERISTICS Model name AB  A45LC Voltage 230 ~ Power supply Frequency Max. operating current (Indoor unit) Wiring spec. Connection cable 1.5 ~ 2.5 (Indoor unit to outdoor unit) Limited wiring length - (01 - 17) -...

  • Page 21: Safety Devices

    SAFETY DEVICES Model Protection form AB  A45LC Circuit protection Current fuse (PCB) 3.15A 250V Thermal protection 140±20°C OFF Fan motor protection program 110±20°C ON - (01 - 18) -...

  • Page 22: External Input & Output

    EXTERNAL INPUT & OUTPUT Connector INPUT OUTPUT REMARKS Control input CN102 — (Operation/Stop) See external CN103 — Operation status output input/output settings for details. — Fresh air control output 11-1. EXTERNAL INPUT CONTROL INPUT (Operation/Stop) „ „ The air conditioner can be remotely operated by means of the following on-site work. Operation is started at the following contents by adding the contact input of a commercial ON/OFF switch to a connector on the external control PC board and turning it ON.

  • Page 23: 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 *10 m Signal Field supply * Make the distance from the PC board to the connected unit within 10m.
  • Page 24 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 25: Function Setting

    FUNCTION SETTING 12-1. INDOOR UNIT INDOOR UNIT DIP SW indoor unit address setting Remote controller signal code Jumper Wire Setting forbidden SWITCH POSITION „ „ MAIN PCB Indoor unit Printed circuit board DIP-SW SETTING „ „ Indoor unit address setting „...
  • Page 26 JUMPER WIRE SETTING „ „ Remote controller signal code setting (JM1, JM2) „ A number of indoor units can be operated at the same time using a single remote controller. ( Factory setting) Jumper wire Remote controller signal code JM 1 JM 2 Connect Connect...

  • Page 27: 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 28 CONTENTS OF FUNCTION SETTING „ „ • Follow the instructions in the Local Setup Procedure, which is supplied with the remote control, in accordance with the installed condition. After the power is turned on, perform the Function Setting on the remote control. •...
  • Page 29 1-5. Auto Restart The following settings are also possible, depending on the operating conditions. (  . . .Factory setting) Setting Description Function Number Setting Value  1-6. Indoor Room Temperature Sensor Switching Function (Only for Wired remote controller) The following settings are needed when use the control by Wired remote controller temperature sensor.
  • Page 30 OPTIONAL PARTS Exterior Parts name Model No. Summary Wired remote Unit control is performed by UTB-  UD controller wired remote controller Optional drain lift-up Drain Pump UTR-DPB24T mechanism allows more unit flexible installation. Round flange is used when the fresh air duct is installed. Round flange UTD-RF204 Round flange...
  • Page 31 2. OUTDOOR UNIT SINGLE TYPE : AO  A45LBTL D2D_AO052E/01 2009.04.30...
  • Page 32 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 33: 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 34: 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 35: Refrigerant Circuit

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

  • Page 36: Wiring Diagrams

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

  • Page 37: 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 38: 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 39: 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 40: 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 41: 2-8-2. Sound Level Check Point

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

  • Page 42: 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 43: 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 44 2. OUTDOOR UNIT SINGLE TYPE : AOA45LCTL AOA54LCTL DTR_AO081E_01 2011.03.01...
  • Page 45 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 46: 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 47: 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 48: 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 49: 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 50: Refrigerant Circuit

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

  • Page 51: Wiring Diagrams

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

  • Page 52: 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 53 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 54: 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 55: 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 56: 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 57: Sound Level Check Point

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

  • Page 58: 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 59: 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 60: 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 61 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 62: 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 63 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 64: 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 65: 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 66: 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 67: 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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