Specification
[1] base unit for the refrigeration training system
[2] introduction about extension with components from for basic and advanced experiments using simple refrigeration circuits
[3] introduction about condensing unit, consisting of hermetic compressor, condenser, receiver, pressure switches and shut-off valves, refrigeration chamber, condensing unit and power supply equipped
[4] insulated refrigeration chamber with integrated evaporator, electric heater and condensate drip tray [5] demonstration of basic components (Heat exchanger as superheater, 3-pin circuit breaker and Sight glass with humidity indicator, Pressure-controlled and thermostatic expansion valve and 2 thermostats with different temperature ranges)
[6] refrigerant R513A/R134a or equivalent Technical Data
Air-cooled condensing unit
• refrigeration capacity: 1200…1300W
– air flow rate: 800…900m3/h Evaporator with fan
– cooling surface: 1.8…2m2
– air flow rate: 140…150m3/h – electric heater: 50…60W/m accessories:
a.Refrigeration Components for Basic Experiments Pressure-controlled expansion valve
– pressure range: 1…8bar
Thermostatic expansion valve
– evaporation temperature: -45°…20°C
-Circuit breaker, 3-pin: 2.5…3.5kW
2electric thermostats -5…25°C
Heat exchanger capacity: 2…3kW
b.Refrigeration Components for Advanced Experiments
solenoid valves, 4/2-way reversing valve, time relay, electric thermostat as temperature controller, power and auxiliary contactor
Temperature controller: -5…35°C
Refrigeration controller: -40…110°C Post-injection valve: -45…35°C
Time relay: response delay: 0.05s…100h Dimensions plate height: 270…300mm c.Set of Accessories
hoses, shut-off valves, lines, connectors and T-pieces -55 measuring lines, 40 hoses, 3 filter dryers
-1 set of connectors
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