Changes of State in the Refrigeration Circuit Educational Equipment Refrigeration Lab Equipment

Changes of State in the Refrigeration Circuit Educational Equipment Refrigeration Lab Equipment

SR2017 Changes of State in the Refrigeration Circuit Educational Equipment Refrigeration Lab Equipment for college, vocational training center, university. 

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SR2017 Changes of State in the Refrigeration Circuit Educational Equipment Refrigeration Lab Equipment

Learning Objectives / Experiments

– design and operation of a compression refrigeration system

– observe the evaporation and condensation of the refrigerant

– represent and understand the refrigeration cycle in the log p-h diagram

– energy balances

– calculation of the coefficient of performance

– oil return in a flooded evaporator

Specification

[1] demonstration of the processes in a refrigeration circuit

[2] for better process monitoring the evaporator and condenser are of transparent design

[3] evaporator and condenser with pipe coil

[4] expansion valve in the shape of a float valve

[5] pressure switch to protect the compressor

[6] temperature sensor, power meter, manometer in the refrigeration circuit, flow meter for hot and cold water and refrigerant

[7] safety valves at the evaporator and condenser

[8] refrigerant Solkatherm , CFC-free

Technical Data

Hermetic piston compressor

– capacity: 18,3cm³

Evaporator volume: approx. 2,8L

Condenser volume: approx. 2,8L

Measuring ranges

– temperature: 8x -20…200°C

– pressure: 2x -1…1,5bar

– flow rate (water): 2x 0…800cm³/min

– flow rate (refrigerant): 1x 0…700L/h

– power: 0…1.200W

Dimensions and Weight

LxWxH: 1.210x510x900mm

Weight: approx. 110kg

Required for Operation

230V, 50/60Hz, 1 phase or 120V, 60Hz/CSA, 1 phase

Water connection, drain

 

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