Compression Refrigeration Unit

Compression Refrigeration Unit .

Compression Refrigeration Unit

Specification of Compression Refrigeration Unit

1. Investigation of a refrigeration system with different expansion elements

2. Refrigeration circuit consisting of a hermetic compressor, condenser, evaporator and expansion element

3. Transparent finned tube heat exchangers as condenser and evaporator to observe the phase transitions of the refrigerant

4. Expansion valve and capillary tubes of different lengths as expansion elements

5. Receiver for underfilling/overfilling the system with refrigerant

6. Sensors record pressure and temperature

7. Compressor equipped with two pressure switches


Technical Data



1. Power consumption: 213W at 7,2°/32°C

2. Refrigeration capacity: 372W at 7,2/32°C

3. Condenser and evaporator with fan

4. Max. Volumetric air flow rate condenser: 300m³/h

5. Max. Volumetric air flow rate evaporator: 180m³/h

6. Capillary tubes: 1,5m, 3m, 6m

7. Receiver for refrigerant: 1,3L

Measuring ranges

1. Pressure: -1...9bar / -1...24bar

2. Temperature: 4x -40...150°c, 1x -100...100°c

3. Flow rate: 2...18m³/h

4. Electric power consumption: 0...1000W

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