COMPUTERISED AIR CONDITIONING CYCLE TEST RIG

RANGE OF EXPERIMENTS : 

  1. To study all components used in Air Conditioning system.
  2. To study the Vapor compression Refrigeration cycle.
  3. To study the cooling, humidification,& dehumidification process.
  4. To determine the Refrigeration Effect, Work Input, Actual C.O.P., Carnot C.O.P., Theoretical C.O.P., Relative C.O.P., Ton of Refrigeration, and Plant Efficiency.

EXPERIMENTAL SETUP : 

  1. Compressor : Hermetically sealed compressor.
  2. Condenser : Air Cooled condenser made

out of copper pipe & Aluminum fins of matching

capacity with fan cooling.

  1. Evaporator : Air calorimeter type evaporator. The air passed by a fan through duct.

The expanded refrigerant passes through evaporator

coils, fixed in the duct. The passing air comes in contact with the coils & gets cooled.

  1. Expansion device : Thermostatic expansion valve.
  2. Energy Meter : For power measurement of compressor.
  3. Pressure Gauge : 2 Nos. for H.P., L.P. measurement
  4. Hand Shut Off type Service valve.
  5. Electric Heater : Finned type heater for air heating.
  6. Rotameter for Refrigerant flow measurement.
  7. Duct : Air duct of size 250 x 250 make out of

CRC sheet in which evaporator is fitted.

  1. Baby Boiler : Electrically fired small baby boiler for

maintaining humidity of air with electrical heater

  1. Blower : 1 HP capacity centrifugal blower with air

control arrangement.

CONTROL PANEL :

  1. 12 Channel Digital Temperature Indicator
  2. HP-LP Cutout : Make Ranco /Danfoss or Equivalent.
  3. Switches : For compressor, condenser fan,

Dehumidifier Heater, blower & boiler heater.

  1. Voltmeter : 0 – 250 V.
  2. Ammeter :0 – 15 A.

COMPUTER, GRAPHICS & SOFTWARE :

  1. Computer :           Pentium IV, Dual Core processor.

:           3 GHz speed, 512 MB RAM,

:           160 GB HDD, DV DRW, FDD optical.

:           mouse, Keyboard, 2 serial port & one

:           parallel port USB part in front,

17” LCD monitor .

  1. Interfacing cards : ADC Card 1 No., DAC card. 1 No.

communication RS. 232 port

  1. SCADA Software Feature
  2. 2-Way communication for control & data acquisition.
  3. Live mimic diagram of the process including SP, OP and PV.
  4. Online data display in tubular chart and graphical form.
  5. Powerful graphics with trends and bar page
  6. Data printing facility
  7. Window based user – friendly software.
  8. Transmitters :
  9. Power Transmitter : for power measurement of compressor.
  10. Pressure Transmitter : 2 Nos. for H.P., L.P. measurement
  11. Flow Transmitter : for Refrigerant flow measurement.
  12. Set of RTD sensor : For temperature measurement.

SPACE REQUIRED              :           4 m. (L)x 1.0 m.(W).

WEIGHT                                 :           @ 200 Kg

SERVICE REQUIRED           :           1.  Power Supply : 440 V. A.C., 50 Hz.

  1.   Anemometer  :  Cup Type.
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