Simple compression refrigeration circuit
Cooling and heating of the heat exchangers directly tangible
Features
- introduction to refrigeration
- model of a compression refrigeration system / heat pump
- cooling and heating of the heat exchangers directly tangible
Learning objectives/experiments
- fundamentals of a compression refrigeration circuit
- key components of a refrigeration system
-- compressor, evaporator, condenser, expansion element
- relationship between the pressure and boiling point of a liquid
- operation of a refrigeration system / heat pump
- developing a basic understanding of the thermodynamic cycle
- simple energy balance
Specification
[1] fundamentals of refrigeration in a simplified model
[2] typical compression refrigeration system with piston compressor, thermostatic expansion valve, evaporator and condenser (each in the shape of a pipe coil)
[3] 2 manometers with temperature scale for the refrigerant show the values of the refrigerant on the high and low pressure sides
[4] 2 water-filled tanks with thermometer to demonstrate the cooling and heating effect
[5] pressure switch to protect the compressor
[6] sight glass to monitor the aggregate state of the refrigerant
[7] refrigerant R513A, GWP: 631
Technical data
Compressor
- power consumption: 104W at 5/40°C
- refrigeration capacity: 278W at 5/40°C
- displaced volume: 2,72cm3
Tank: 4x 1700mL
Refrigerant
- R513A
- GWP: 631
- filling volume: 450g
- CO2-equivalent: 0,3t
Measuring ranges
- pressure: -1...12,5bar, -1...25bar
- temperature: -50...40°C, -40...80°C, 2x -10...50°C
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase
120V, 60Hz, 1 phase
UL/CSA optional
LxWxH: 750x360x690mm
Weight: approx. 30kg