Acson international A5RT-C Series Technical Manual
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Acson international A5RT-C Series Technical Manual

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Technical Manual
ROOFTOP
PACKAGED
A5RT-C SERIES

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Summary of Contents for Acson international A5RT-C Series

  • Page 1 Technical Manual ROOFTOP PACKAGED A5RT-C SERIES...

  • Page 2: Table Of Contents

    Table of Contents Table of Contents Nomenclature........................1 Product Line-Up ......................2 Features..........................3 Key Features .........................3 Component Features .....................4 Application Information .....................6 Operating Range ......................6 Refrigerant Circuit Diagrams ..................7 Installation Guideline .....................8 Sound Data ........................11 Sound Pressure Level ....................11 Sound Power Level .....................12 NC Curve ........................13 Selection Process......................17 Fan Performance Table ....................18...

  • Page 3: Nomenclature

    Nomenclature Nomenclature 120 C B H A Brand A: Acson Revision Refrigrerant A: Revision A 5: R410A Air Throw Product Type H: Side throw RT: Rooftop Size* 60 : 60,000 Btu/hr* Specification 90 : 90,000 Btu/hr* B: With controller + Gold fin 120: 120,000 Btu/hr 150: 150,000 Btu/hr Country...

  • Page 4: Product Line-Up

    Nomenclature Product Line-up Classifi cation Model A5RT60C-FUBHA A5RT90C-FUBHA A5RT120C-FUBHA A5RT150C-FUBHA A5RT180C-FUBHA A5RT210C-FUBHA A5RT240C-FUBHA A5RT300C-FUBHA...

  • Page 5: Features

    High Energy Effi ciency Wide Operating Range In line with the market trend of moving towards high The A5RT-C series rooftops are specifi cally designed to deliver top performance in both standard and high energy effi ciency products, the A5RT-C series is ambient temperature conditions.

  • Page 6: Component Features

    IP55 rated protection index with class B insulation class. Casing/Structure The unit casing used in A5RT-C series is made of zinc coated galvanized steel sheets. It is further coated with an electrostatic powder coat, oven-baked for a tough and lasting weather resistant fi nish. Zinc plated screws are used to further reduce the possibility of unit rusting.
  • Page 7 Features Refrigerant Circuit Phase Sequential Protection The A5RT-C series is designed with the ability to The Phase Sequential Protector is a three phase line operate at partial load depending on the requirement monitor module that protects the unit components of the application.

  • Page 8: Application Information

    Application Information Application Information Operating Range Ensure the operating temperature is in allowance range as stated in diagram below. Cooling The use of your air conditioner outside the range of working temperature and humidity can result in serious failure. Indoor WB temperature (°C) Cooling Operation Range DB: Dry Bulb WB: Wet Bulb...

  • Page 9: Refrigerant Circuit Diagrams

    Application Information Refrigerant Circuit Diagrams Cooling Only Model: A5RT60/90/120/150/180/210/240/300C Item Description Compressor High Pressure Switch Access Valve Outdoor Heat Exchanger Indoor Heat Exchanger Filter Dryer Thermal Expansion Valve (TXV) Low Pressure Switch Capillary Tube HEADER HEADER HEADER DISTRIBUTOR Thermal Expansion Valve Sensor Bulb Note: (a) A5RT120/150/180/240/300C consists of 2 circuits in the system.

  • Page 10: Installation Guideline

    Application Information Installation Guideline Safety Precautions This manual provides the procedures of installation to ensure a safe and good standard of operation for the air conditioner unit. Special adjustment may be necessary to suit local requirements. Before using your air conditioner, please read this instruction manual carefully and keep it for future reference. This appliance is intended to be used by expert or trained users in shops, in light industry and on farms, or for commercial use by lay persons.
  • Page 11 Application Information 1) Installation Clearances Refer diagram below for the space required around the unit. Note that: a) All dimensions shown are in mm. b) All space values shown are minimum clearance required for the unit. c) Unit shown in the diagram is A5RT210/240C. Other models shall follow the same clearance. Model : A5RT60/90C Condenser Evaporator coil &...
  • Page 12 Application Information Compressor Compressor Compressor Minimum Maximum Maximum Full Load Locked Rotor Model Circuit Amps, Fuse Amps, Continuous Current, Current, MCA (A) MFA (A) Current (A) FLA (A) LRA (A) A5RT60C 13.7 20.0 A5RT90C 19.2 32.0 A5RT120C 15/15 64/64 25.0 32.0 A5RT150C 19/19...

  • Page 13: Sound Data

    Sound Data Sound Data Sound Pressure Level 1/1 Octave Sound Pressure (dB, ref 20μPa) Overall Noise Model (dBA) Criteria 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz A5RT60C A5RT90C A5RT120C A5RT150C A5RT180C A5RT210C A5RT240C A5RT300C Measuring Location Microphone position: (1) Measurement at open fi eld. (2) For all microphone position, the distance will be from the unit center in 1m horizontal follow by 1m vertical.

  • Page 14: Sound Power Level

    Sound Data Sound Power Level 1/1 Octave Sound Power Level (dB) ref 1pW Overall Model (dBA) 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz A5RT60C A5RT90C A5RT120C A5RT150C A5RT180C A5RT210C A5RT240C A5RT300C Measuring Location Microphone position: (1) Measurement at open fi eld (Inlet + radiated). (2) For microphone at position 1 until 4 and 9, the distance will be 1 meter from the centre of the unit’s surface.

  • Page 15: Nc Curve

    Sound Data NC Curve A5RT60C NC70 NC65 NC60 NC55 NC50 NC45 NC40 NC35 NC30 NC25 NC20 Octave-band frequency (Hz) A5RT90C NC70 NC65 NC60 NC55 NC50 NC45 NC40 NC35 NC30 NC25 NC20 Octave-band frequency (Hz)
  • Page 16 Sound Data A5RT120C NC70 NC65 NC60 NC55 NC50 NC45 NC40 NC35 NC30 NC25 NC20 Octave-band frequency (Hz) A5RT150C NC70 NC65 NC60 NC55 NC50 NC45 NC40 NC35 NC30 NC25 NC20 Octave-band frequency (Hz)
  • Page 17 Sound Data A5RT180C NC70 NC65 NC60 NC55 NC50 NC45 NC40 NC35 NC30 NC25 NC20 Octave-band frequency (Hz) A5RT210C NC70 NC65 NC60 NC55 NC50 NC45 NC40 NC35 NC30 NC25 NC20 Octave-band frequency (Hz)
  • Page 18 Sound Data A5RT240C NC70 NC65 NC60 NC55 NC50 NC45 NC40 NC35 NC30 NC25 NC20 Octave-band frequency (Hz) A5RT300C NC70 NC65 NC60 NC55 NC50 NC45 NC40 NC35 NC30 NC25 NC20 Octave-band frequency (Hz)

  • Page 19: Selection Process

    Selection Process Selection Process Drive Package The following are the design requirements for A5RT60C-FUBHA unit: Model: A5RT60C Supply Air Quantity 2000 External Static Pressure Step 1: From the fan curve (at 2000 CFM), Standard operating system; Internal Static Pressure Step 2: Therefore at 2000 CFM and 180 Pa external static pressure, Total Static Pressure 180 + 115...

  • Page 20: Fan Performance Table

    Fan Performance Table Fan Performance Table A5RT60C External Static Pressure (Pascal) Air Flow (CFM) PO (kW) PO (kW) PO (kW) PO (kW) PO (kW) 1500 0.28 0.31 1050 0.36 1161 0.43 1274 0.51 2000 0.35 1024 0.46 1129 0.57 1232 0.66 1331 0.76...
  • Page 21 Fan Performance Table A5RT120C External Static Pressure (Pascal) Air Flow (CFM) PO (kW) PO (kW) PO (kW) PO (kW) PO (kW) 3300 0.59 0.77 0.92 1.12 4400 0.81 0.93 1.18 1.40 1029 1.63 5300 1.19 1.41 1.64 1.88 1060 2.14 Air Flow (CFM) PO (kW)
  • Page 22 Fan Performance Table A5RT210C External Static Pressure (Pascal) Air Flow (CFM) PO (kW) PO (kW) PO (kW) PO (kW) PO (kW) 5800 1.10 1.35 1.63 1.93 7600 1.58 1.86 2.17 2.18 2.85 9000 2.42 2.73 3.07 3.42 3.80 Air Flow (CFM) PO (kW) PO (kW)
  • Page 23 Fan Performance Table Dimensional Data Blower Pulley, Motor Pulley, Pulley Center V belt Motor Blower Dm (mm) Dm (mm) Distance, C (mm) Model Length Quantity Output Power Type Dia (mm) Type Dia (mm) Type Nom Min (mm) (pcs) (kW) A5RT60C SPZ 1 140/1610 SPZ 1 100/1210 SPZ 0.75 1430...

  • Page 24: Fan Performance Chart

    Fan Performance Chart Fan Performance Chart A5RT60C 1.1 kW 1500 0.75 kW 1400 1300 1200 Standard Point 1100 1000 Internal Static Pressure 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 1000 1100 1133 Air Flow Rate...
  • Page 25 Fan Performance Chart A5RT90C 1.5 kW 1.1 kW 1500 1400 Standard Point 0.75 kW 1300 Internal Static 1200 Pressure 1100 1000 2100 2300 2500 2700 2900 3100 3300 1500 1400 1560 1100 1200 1000 1300 Air Flow Rate...
  • Page 26 Fan Performance Chart A5RT120C 1400 3.0 kW 1300 2.2 kW 1200 1100 1.5 kW 1000 Standard Point Internal Static Pressure 1560 1600 1800 2000 2200 2400 2490 Air Flow Rate...
  • Page 27 Fan Performance Chart A5RT150C 3.0 kW 1300 1200 2.2 kW 1100 1000 Standard Point Internal Static Pressure 3800 4300 4800 5300 5800 1800 2400 2800 2830 2000 2200 2600 Air Flow Rate...
  • Page 28 Fan Performance Chart A5RT180C 3.7 kW 3.0 kW 2.2 kW Standard Point Internal Static Pressure 5400 5900 6400 6900 7400 7900 8400 2600 2550 2800 3200 3400 3600 3800 3000 3964 Air Flow Rate...
  • Page 29 Fan Performance Chart A5RT210C 5.5 kW 1150 1100 3.7 kW 1000 3.0 kW Standard Point Internal Static Pressure 5800 6200 6600 7000 7400 7800 8200 8600 9000 3600 3800 4000 4200 4250 2740 2800 3000 3200 3400 Air Flow Rate...
  • Page 30 Fan Performance Chart A5RT240C 5.5 kW 1150 1100 3.7 kW 1000 Standard Point Internal Static Pressure 6000 6400 6800 7200 7600 8000 8400 8800 9200 9600 2831 2900 3300 4500 3100 3500 3700 3900 4100 4300 Air Flow Rate...
  • Page 31 Fan Performance Chart A5RT300C 5.5 kW 1150 1100 3.7 kW 1000 Standard Point Internal Static Pressure 6750 7250 7750 8250 8750 9250 9750 10250 10750 3200 3400 3600 3800 4200 4600 5000 5073 4000 4400 4800 Air Flow Rate...

  • Page 32: Engineering & Physical Data

    Engineering & Physical Data Engineering & Physical Data Engineering Data – R410A Model MODEL A5RT60C A5RT90C A5RT120C A5RT150C Btu/h 61,000 90,000 121,500 150,000 COOLING CAPACITY [1] 17.88 26.38 35.61 43.96 Btu/h 51,780 77,000 103,300 129,000 COOLING CAPACITY [2] 15.18 22.57 30.28 37.81 TOTAL INPUT POWER (COOLING) [1]...
  • Page 33 Engineering & Physical Data Engineering Data – R410A Model MODEL A5RT180C A5RT210C A5RT240C A5RT300C Btu/h 181,000 213,000 241,000 304,000 COOLING CAPACITY [1] 53.05 62.43 70.63 89.10 Btu/h 156,000 184,000 208,000 258,000 COOLING CAPACITY [2] 45.72 53.90 60.96 75.62 TOTAL INPUT POWER (COOLING) [1] 14.72 16.90 19.29...
  • Page 34 Engineering & Physical Data Safety Device MODEL INDOOR A5RT60C A5RT90C TYPE NC, Auto Reset HIGH PRESSURE OPEN kPa / psi 4140 / 600 SWITCH CLOSE kPa / psi 3310 / 480 TYPE NC, Auto Reset SAFETY DEVICE LOW PRESSURE OPEN kPa / psi 124 / 18 SWITCH...

  • Page 35: Performance Data

    Performance Data Performance Data Model: A5RT60C Outdoor temperature EWB EDB 19°C 25°C 30°C 35°C 40°C 46°C 48°C 52°C (CFM) TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI 21°C 17.67 13.13 3.55 17.11 12.84 3.79 16.51 12.53 4.07 15.88 12.21 4.39 14.79 11.37 4.90 13.48 10.36 5.50 13.22 10.16 5.68 12.35 9.49 6.08 24°C 17.74 15.64 3.55 17.18 15.31 3.79 16.58 14.97 4.08 15.95 14.60 4.40 14.86 13.60 4.90 13.54 12.40 5.51 13.28 12.16 5.68 12.41 11.36 6.09...
  • Page 36 Performance Data Model: A5RT90C Outdoor temperature EWB EDB 19°C 25°C 30°C 35°C 40°C 46°C 48°C 52°C (CFM) TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI 21°C 26.07 19.37 5.65 25.24 18.94 6.04 24.36 18.49 6.49 23.42 18.01 7.00 21.89 16.83 7.62 20.04 15.41 8.36 19.52 15.00 9.06 18.29 14.06 9.56 24°C 26.17 23.07 5.65 25.34 22.59 6.04 24.47 22.08 6.49 23.53 21.54 7.01 21.99 20.13 7.63 20.13 18.43 8.37 19.61 17.95 9.07 18.37 16.82 9.57 16°C...
  • Page 37 Performance Data Model: A5RT120C Outdoor temperature EWB EDB 19°C 25°C 30°C 35°C 40°C 46°C 48°C 52°C (CFM) TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI 21°C 35.19 28.13 7.41 34.08 27.51 7.92 32.89 26.85 8.51 31.62 26.15 9.19 29.47 24.37 10.04 26.89 22.24 11.06 25.92 21.44 12.25 24.20 20.02 12.93 24°C 35.33 33.51 7.42 34.21 32.81 7.93 33.03 32.07 8.52 31.77 31.29 9.20 29.61 29.16 10.05 27.01 26.61 11.08 26.04 25.65 12.26 24.31 23.95 12.95 16°C...
  • Page 38 Performance Data Model: A5RT150C Outdoor temperature EWB EDB 19°C 25°C 30°C 35°C 40°C 46°C 48°C 52°C (CFM) TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI 21°C 43.44 31.46 9.41 42.07 30.76 10.06 40.60 30.03 10.81 39.03 29.25 11.67 36.55 27.39 12.75 33.56 25.15 14.06 32.14 24.09 15.20 30.15 22.59 16.07 24°C 43.61 37.47 9.42 42.23 36.69 10.07 40.77 35.87 10.82 39.22 34.99 11.68 36.72 32.76 12.77 33.72 30.09 14.07 32.29 28.82 15.22 30.29 27.03 16.09 16°C...
  • Page 39 Performance Data Model: A5RT180C Outdoor temperature EWB EDB 19°C 25°C 30°C 35°C 40°C 46°C 48°C 52°C (CFM) TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI 21°C 52.42 44.37 11.55 50.76 43.39 12.34 49.00 42.36 13.26 47.10 41.26 14.31 44.14 38.66 15.46 40.59 35.56 16.85 38.25 33.50 18.08 35.88 31.43 19.00 24°C 52.63 52.63 11.56 50.97 50.97 12.35 49.20 49.20 13.28 47.32 47.32 14.33 44.35 44.35 15.48 40.79 40.79 16.87 38.43 38.43 18.10 36.05 36.05 19.03 16°C...
  • Page 40 Performance Data Model: A5RT210C Outdoor temperature EWB EDB 19°C 25°C 30°C 35°C 40°C 46°C 48°C 52°C (CFM) TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI 21°C 61.69 47.58 13.26 59.74 46.53 14.17 57.66 45.42 15.23 55.43 44.23 16.43 51.99 41.49 17.75 47.86 38.19 19.34 45.54 36.34 20.75 42.79 34.14 21.80 24°C 61.93 56.67 13.27 59.98 55.49 14.18 57.90 54.24 15.24 55.69 52.92 16.45 52.23 49.64 17.77 48.08 45.69 19.36 45.75 43.48 20.77 42.99 40.85 21.83 16°C...
  • Page 41 Performance Data Model: A5RT240C Outdoor temperature EWB EDB 19°C 25°C 30°C 35°C 40°C 46°C 48°C 52°C (CFM) TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI 21°C 69.80 52.51 15.12 67.59 51.35 16.16 65.23 50.13 17.37 62.71 48.82 18.74 58.81 45.79 20.30 54.13 42.14 22.16 51.00 39.71 23.96 47.88 37.28 25.21 24°C 70.07 62.55 15.14 67.86 61.25 16.18 65.51 59.87 17.39 63.01 58.41 18.76 59.09 54.78 20.32 54.38 50.42 22.19 51.24 47.51 23.99 48.10 44.60 25.24 16°C...
  • Page 42 Performance Data Model: A5RT300C Outdoor temperature EWB EDB 19°C 25°C 30°C 35°C 40°C 46°C 48°C 52°C (CFM) TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI 21°C 88.05 62.93 19.23 85.26 61.54 20.56 82.29 60.08 22.09 79.11 58.51 23.84 73.67 54.49 25.88 67.14 49.66 28.34 63.76 47.16 30.23 59.41 43.94 31.87 24°C 88.39 74.96 19.25 85.60 73.40 20.58 82.64 71.75 22.11 79.48 70.01 23.86 74.02 65.19 25.91 67.46 59.41 28.37 64.06 56.42 30.27 59.69 52.57 31.91 16°C...

  • Page 43: Outline & Dimension

    Outlines & Dimensions Outlines & Dimensions Model: A5RT60C Weight of corner(kg) Total weight (kg) 1280 1520 1112 1112 1530 1300 CENTER OF GRAVITY Model: A5RT90C Weight of corner(kg) Total weight (kg) 1280 1112 1112 1300 CENTER OF GRAVITY...
  • Page 44 Outlines & Dimensions Model: A5RT120/150C Weight at corner(kg) Total weight Model (kg) A5RT120C 145 145 150 150 A5RT150C 160 160 165 165 1965 1800 1630 1800 CENTER OF GRAVITY Model: A5RT180C Weight at corner(kg) Total weight (kg) 190 190 230 230 1045 1905 7 4 1...
  • Page 45 Outlines & Dimensions Model: A5RT210/240C CENTER OF GRAVITY Model: A5RT300C Weight at corner(kg) Total weight (kg) 270 300 280 240 1090 CENTER OF GRAVITY...

  • Page 46: Wiring Diagram

    Wiring Diagrams Wiring Diagrams Model: A5RT60/90C...
  • Page 47 Wiring Diagrams Model: A5RT120/150/180C...
  • Page 48 Wiring Diagrams Model: A5RT210/240/300C...

  • Page 49: Service & Maintenance

    Service and Maintenance Service & Maintenance The design concept of the rooftop unit is such that all servicing can be done from the side and back of the unit. Upon removal of side and back panel, all the electrical “terminal box”, fan and motor assembly and compressor are easily accessible.
  • Page 50 Service and Maintenance MAINTENANCE Service Parts Maintenance Procedure Air Filter - Remove any dust adhering to the fi lter by using a vacuum cleaner or wash in lukewarm water (below 40°C) with a neutral cleaning detergent. - Rinse the fi lter well and dry before placing it back onto the unit. - Do not use gasoline, volatile substances or chemicals to clean the fi...

  • Page 51: Troubleshooting

    Troubleshooting Troubleshooting When a malfunction of the air conditioner unit is detected, immediately switch off the main power supply before proceeding with the following troubleshooting procedures. The following are common fault conditions and simple troubleshooting tips. If any other fault conditions which are not listed occur, contact your nearest local dealer.
  • Page 52 Troubleshooting Error Code When the system is on and an error occurs, the ON/OFF LED on the LCD panel will blink and an error code is shown. When the system is off and there is a thermistor error, the ON/OFF LED is off but the error code is still displayed.
  • Page 53 Troubleshooting Phase Protector The unit with Scroll Compressor can only rotate in one direction. For this reason, a protective device (phase protector) is fi tted to prevent incorrect wiring of the electrical phases. When the three phases are not connect- ed correctly, the phase protector operates, and the unit will not start.
  • Page 54 ACSON MALAYSIA SALES & SERVICE SDN.BHD. (129688-D) DAIKIN a member of group Lot 4, Lorong 19/1A, Seksyen 19, 46300 Petaling Jaya, Authorized Dealer : Selangor Darul Ehsan, MALAYSIA. Tel : +603 7964 8200 Sales Fax : +603 7956 9909 Sernice Fax : +603 7956 9907 Acson Careline : 1300 22 3344 Penang : +604-5377 176 Pahang : +609 5178 696...

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