Introduction to refrigeration Training system with interchangeable modules Features - training system with interchangeable modules - components mounted on plates - rapid connection via hoses Learning objectives/experiments - fundamentals of a simple refrigeration circuit -- detection and understanding of the cyclic process -- changes of state of the refrigerant -- representation the refrigeration circuit in the process schematic -- representation of the cyclic process in the log p-h diagram -- estimating key figures, refrigeration capacity and heat fluxes - different operating modes -- air cooling -- generating cold water - practical exercises -- draining and filling the refrigeration system (with ET 150.01) -- fault finding Specification [1] setup of simple refrigeration circuits with different components [2] 8 self-contained operational modules [3] light-weight aluminium frame to arrange 6 modules [4] evaporator available as air/refrigerant heat exchanger (finned tube heat exchanger) [5] condenser available as air/refrigerant heat exchanger (finned tube heat exchanger) and as water/refrigerant heat exchanger (with pipe coil) [6] modules fitted with manual valves [7] components connected via hoses [8] refrigerant R513A, GWP: 631 Technical data Hermetic refrigerant compressor - power consumption: 67W at 5/40°C - refrigeration capacity: 152W at 5/40°C Water tank, evaporator: 2L Pressure switch activation pressure - LP: 1bar - HP: 14bar Manometer - inlet side (low pressure): 1...10bar - outlet side (high pressure): 1...30bar Rotameter: 0...7,4L/h Refrigerant - R513A - GWP: 631 - filling volume: 750g - CO2-equivalent: 0,5t 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 1300x700x900mm WxH: 370x340mm (modules for frame installation) LxWxH: 300x150x300mm (receiver) Weight: approx. 30kg