Tenders Description & Specification for Changes of State in the Refrigeration Circuit
Refrigeration Lab Equipment Changes of State in the Refrigeration Circuit
Learning Objectives / Experiments:
Design and operation of a compression refrigeration system
Calculation of the coefficient of performance
Energy balances
Oil return in a flooded evaporator
Represent and understand the refrigeration cycle in the log p-h diagram.
Observe the evaporation and condensation of the refrigerant.
Specifications:
Demonstration of the processes in a refrigeration circuit
Evaporator and condenser with pipe coil
Expansion valve in the shape of a float valve
Refrigerant, CFC-free
For better process monitoring the evaporator and condenser are of transparent design
Pressure switch to protect the compressor
Safety valves at the evaporator and condenser
Temperature sensor, power meter, manometer in the refrigeration circuit, flow meter for hot and cold water and refrigerant.
Technical Data:
Hermetic piston compressor
Capacity: 18,3cm³
Flow rate (water): 2x 0...800cm³/min
Flow rate (refrigerant): 1x 0...700L/h
Evaporator volume: approx. 2,8L
Condenser volume: approx. 2,8L
Measuring ranges
Temperature: 8x -20...200°C
Pressure: 2x -1...1,5bar
Power: 0...1.200W
Dimensions and Weight: LxWxH: 1.210x510x900mm
Weight: 110kg
Required for Operation: 230V, 50/60Hz, 1 phase or 120V, 60Hz/CSA, 1 phase.
Ltekonline are the manufacturers of Changes of State in the Refrigeration Circuit used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Refrigeration Training Kit for Engineering Teaching Lab in Universities
