It  consists  of a small room to  which  a small air conditioner is connected the room is

provided with a transparent front cover with a heater inside to simulate heat load in the

room. Various measurements are provided so that performance of system that is COP of

system, actual & theoretical cooling capacity of system & power consumption of unit with

different load conditions.

SPECIFICATIONS:

  1.  Compressor - Hermetically sealed, having the capacity of 1/10 ton of refrigeration 

using R-12 refrigerant to keep room temperature between 20 to 30 c.

  2.  Condenser - Finned tube type, with forced air flow over the tubes,

  3.  Capillary tube of matched length as expansion device.

  4.  Evaporator - Finned tube type with forced air flow,

  5.  Room – 0.6 X 0.7 X 0.7 m. height, provided with transparent front wall. A heater with

input control is provided inside room. to simulates different load conditions.

  6.  Measurements and Controls    a) H.P. / L.P. Pressure gauges

    b) Digital temperature indicator     c) Energy meters to measure input

    d) High and low pressure cutout.  e) Thermostat for the compressor