RAC 009 : CASCADE REFRIGERATION TEST RIG





Description:

CASCADE REFRIGERATION TEST RIG:

 

A) RANGE OF EXPERIMENTS

  • To find the COP of individual Refrigeration cycle.
  • To find the COP of cascade cycle.
  • To determine the Refrigeration effect, Work output, Actual C.O.P, Carnot C.O.P., Theoretical C.O.P, Tonnage of refrigeration.
  • To study various parameters and heat balance of cascade refrigeration system.

 

B) SPECIFICATION:-

  • High Pressure Side Compressor: Hermetically sealed compressor having cooling capacity of (3/4 ton), Make: Emerson or Equivalent.
  • Low Pressure Side Compressor: Hermetically sealed compressor having cooling capacity of (1/4 ton), Make: Emerson or Equivalent.
  • Evaporator: Copper Coil immersed in insulated water tank (shell) of stainless steel water tank, Capacity of 75 liters. To achieve Temperature of -35 Deg C with the mixture of Ethylene Glycol.
  • Condenser: Air-cooled condenser with copper fins. This is a tube type condenser, FHP fan motor with fan blade is provided.
  • Cascade Condenser: Tube and Tube type Condenser with copper tubes. This is a tube type condenser.
  • Expansion device: 2 No
  • Capillary Tube
    • Diameter : Suitable
    • Material : copper
  • Rota meter: 2 No, for measuring flow rate of liquid refrigerant.
  • Refrigerant: (R-22) & (R-404a).
  • Pressure Gauges:
    • 0 to 300 PSI (R-22) - 1 no.
    • Compound Gauge -30 to 150 PSI (R-404a) - 1 nos
  • Multipoint Digital Temperature Indicator: 2 No, to measure temperatures at various salient points of the refrigeration cycle.
  • HP/LP cut-out: 2 No. Danfoss or equivalent.
  • Service valve: 4 nos. Brass type.
  • Filter / Drier: 2 nos. Danfoss or equivalent make.

 

C) SERVICE REQUIRED:

  • Single phase 230 V AC, 15 Amp supply.
  • Space required: 2mtr x 1.5 meters.

 

D) WEIGHT: 150Kg. (Approx)

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