Fujitsu AR*C45LCTU series Technical Manual
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Fujitsu AR*C45LCTU series Technical Manual

Fujitsu AR*C45LCTU series Technical Manual

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AIR CONDITIONER

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DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
AR  C45LCTU
AR  C54LCTU
AO  A45LCTL
AO  A54LCTL

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Summary of Contents for Fujitsu AR*C45LCTU series

  • Page 1: Duct Type

    AIR CONDITIONER Duct type DESIGN & TECHNICAL MANUAL INDOOR AR  C45LCTU AR  C54LCTU OUTDOOR AO  A45LCTL AO  A54LCTL...
  • Page 2 1. INDOOR UNIT DUCT TYPE : ARC45LCTU ARC54LCTU DTR_AR049E_02 2013.11.08...

  • Page 3: Table Of Contents

    CONTENTS 1. INDOOR UNIT FEATURE ......................01 - 01 WIRED REMOTE CONTROLLER ........... 01 - 05 SPECIFICATIONS ..................01 - 08 DIMENSIONS ....................01 - 09 WIRING DIAGRAMS ...................01 - 11 CAPACITY TABLE ..................01 - 12 6-1. COOLING CAPACITY ................

  • Page 4: Indoor Unit

    FEATURE MODEL „ „ ARC45LCTU / AOA45LCTL ARC54LCTU / AOA54LCTL FEATURES „ „ Improvement of market suitability „ Considerable improvement of installation work by compact size and light weight considering with the conditions of installation in the ceiling. The size which the indoor unit can be installed in the spacing between the beams is required for the installation in the ceiling.
  • Page 5 Operation sound (Low noise) „ Turbulent air flow is reduced by cutting off the corners of conventional indoor unit front panel and fan case Low noise is realized by adopting plastic case, plastic fan Heat exchanger Turbulent air flow Plastic fan Ø225 mm Heat exchanger Casing (Plastic)

  • Page 6: Quiet Operation

    Space saving „ Compact size • High performance has been realized with a compact indoor / outdoor unit. Due to the compact size of the indoor and outdoor unit, the installation space required has been reduced allowing for a wider selection on installation locations. INDOOR UNIT OUTDOOR UNIT 1050...
  • Page 7 Peak cut operation „ Peak cut mode (Optional parts: UTY-XWZXZ3) The introduction of a peak power consumption mode control 4 steps outdoor operation control to cut down energy usage at peak energy usage times. * Performance drops by reducing the power consumption preferentially. Level 1 ...

  • Page 8: 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 9: Wiring Specifications

    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, LOW, MED, HIGH). ECONOMY button Turns the economy efficient mode on and off.

  • Page 10: System Diagram

    SYSTEM DIAGRAM „ „ 1 remote controller z 2 remote controllers „ Indoor unit Indoor unit A , B , C : Remote controller cable. < < 500m ; B+C 500m Master Slave Remote controller Remote controllers ELECTRICAL WIRING „ „...

  • Page 11: Specifications

    SPECIFICATIONS DUCTED MODEL Type INVERTER HEATPUMP Model name Indoor unit AR  C45LCTU AR  C54LCTU Power source 230V~ 50Hz Available voltage range 198-264V~ 50Hz Cooling European energy label Heating 12.5 13.4 Rated BTU/h 42700 45700 Cooling 4.5-14.0 5.0-14.5 Min-Max BTU/h 15400-47800 17100-49500...

  • Page 12: Dimensions

    DIMENSIONS MODEL : ARC45LC, ARC54LC „ „ (Unit : mm) Rear view Side view (R) Side view (L) Top view Front view - (01 - 09) -...
  • Page 13 INSTALLATION PLACE „ „ (Unit : mm) C45LC, ARC54LC „ Installation by which service space is made on top of the unit (recommended). 350 or more 450 or more (Service space) Service access Installation by which service is carried out from the bottom of the unit. 20 or more 450 or more...

  • Page 14: Wiring Diagrams

    WIRING DIAGRAMS MODEL : ARC45LC, ARC54LC „ „ - (01 - 11) -...

  • Page 15: Capacity Table

    CAPACITY TABLE 6-1. COOLING CAPACITY MODEL : ARC45LC „ „ 55.8 Indoor temperature °CDB °CWB °CDB 11.75 10.43 2.86 13.09 10.50 2.90 13.54 11.41 2.92 14.43 11.45 2.95 14.88 12.36 2.96 15.77 12.31 2.99 16.66 13.12 3.02 11.74 10.41 2.73 13.08 10.47 2.77 13.53 11.39...

  • Page 16: Heating Capacity

    6-2. HEATING CAPACITY MODEL : ARC45LC „ „ 55.8 Indoor temperature °CDB °CDB °CWB 11.47 4.69 11.19 4.79 10.92 4.89 10.65 4.90 10.37 4.90 12.63 4.70 12.33 4.80 12.03 4.90 11.73 4.90 11.43 4.90 13.99 4.70 13.65 4.80 13.32 4.90 12.99 4.90 12.65...

  • Page 17: Fan Performance And Capacity

    FAN PERFORMANCE AND CAPACITY MODEL : ARC45LC „ „ Static pressure (Pa) 3350 3150 2950 2700 2450 2280 1900 1972 1854 1736 1589 1442 1342 1118 2850 2700 2520 2350 2160 1970 1750 1677 1589 1483 1383 1271 1159 1030 2430 2310 2180...
  • Page 18 MODEL : ARC54LC „ „ Static pressure (Pa) 3350 3150 2950 2700 2450 2280 1900 1972 1854 1736 1589 1442 1342 1118 2850 2700 2520 2350 2160 1970 1750 1677 1589 1483 1383 1271 1159 1030 2430 2310 2180 2050 1900 1750 1430...

  • Page 19: Noise Level Curve

    OPERATION NOISE 8-1. NOISE LEVEL CURVE Condition Static pressure : 100Pa MODEL : ARC45LC „ „ 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 NC-20 NC-20 NC-15...

  • Page 20: Sound Level Check Point

    8-2. SOUND LEVEL CHECK POINT Measuring duct Measuring duct Set the static pressure as rating in this area - (01 - 17) -...

  • Page 21: Electric Characteristics

    ELECTRIC CHARACTERISTICS AR  C45LC Model name AR  C54LC Voltage 230~ Power supply Frequency Max Operating Current Connection cable 1.5-2.5 Wiring spec. Limited wiring length - (01 - 18) -...

  • Page 22: Safety Devices

    SAFETY DEVICES Model Protection form AR  C45LC AR  C54LC Circuit protection Current fuse (PCB) 3.15A 250V Fan motor protection Thermal protector 145±5 °C - (01 - 19) -...

  • Page 23: External Input & Output

    EXTERNAL INPUT & OUTPUT INPUT OUTPUT Connector CONTROL INPUT — CN114 Power PC board — OPERATION STATUS CN115 — FRESH AIR CONTROL CN14 Control PC board — AUXILIARY HEATER CN15 PREPARATION „ „ Before connecting the external input in the figure above, preparation is necessary using the signal wire in the figure below.

  • Page 24: External Input

    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. Initial starting after power turned on Starting other than at the left Operation mode...

  • 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 *10 m Signal Field supply * Make the distance from the PC board to the connected unit within 10m.
  • Page 26 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 27 AUXILIARY HEATER OUTPUT „ „ A signal is outputed from Connector when indoor fan and compressor turn on under heating operation. * Signal output performance specifications are as Tr-Ts shown on the right. Tr-Ts = -1°C Tr-Ts = -3°C Ex. When Set Temperature(Ts) is 22°C •...
  • Page 28 Parts (Optional) „ Model name UTD-ECS5A Wire (Heater output) - (01 - 25) -...

  • Page 29: Function Setting

    FUNCTION SETTING 12-1. INDOOR UNIT INDOOR UNIT SW 1 DIP SW Forbidden SW 2 Rotary SW SW 3 Indoor unit address setting JM 1 Forbidden Jumper Wire JM 2 JM 3 Fan delay setting SWITCH POSITION „ „ Control PC board CN14 CN15 - (01 - 26) -...

  • Page 30: Rotary Switch Setting

    ROTARY SWITCH SETTING „ „ Indoor unit address setting (SW3) „ This switch can be used when group control system. Set the indoor unit address in the 1,2,-,15 order. (  . . .Factory setting) SW 3 SW state single ...

  • Page 31: 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 32 (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 33 5.Room temperature sensor switching (Aux.) • To use the temperature sensor on the wired remote controller only, change the setting to "Wired remote controller" (01). This function will only work if the function setting 42 is set at "Both" (01) ( ...

  • Page 34: 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 35: Optional Parts

    OPTIONAL PARTS Exterior Parts name Model No. Summary Unit control is performed by wired remote controller. Wired remote controller is Wired remote UTB-  UD attached in one as accessories. controller Wired remote controller is two installation possibility in one indoor unit.
  • Page 36 2. OUTDOOR UNIT SINGLE TYPE : AOA45LCTL AOA54LCTL DTR_AO081E_02 2013.11.08...
  • Page 37 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 38: 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 39: 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 40: 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 41: 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 42: Refrigerant Circuit

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

  • Page 43: Wiring Diagrams

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

  • Page 44: 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 45 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 46: 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 47: 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 48: 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 49: Sound Level Check Point

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

  • Page 50: Electric Characteristics

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

  • Page 51: 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 52: 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 53 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 54: 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 55 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 56: 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 57: 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 58: 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 59: 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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