Vapour Compression Refrigeration Unit

Specification of  Vapour Compression Refrigeration Unit

• Complete refrigeration system enabling demonstration of the vapour compression refrigeration cycle.
• Fully instrumented to enable complete analysis of the processes involved and calculation of the changes in performance with operating conditions.
• Computer controlled system with automatic recording of process variables using an integral USB interface.
• Hermetically sealed rotary compressor driven by DC motor with three phase BLDC variable speed drive.
• Compressor speed under computer control with a wide range of operation from 2000 to 4400 RPM.
• Real time display of super heat calculations.
• Real time display of Coefficient of Performance.
• Energy transferred to the evaporator and from the condenser measured independently on the service side of the process. 

Description of  Vapour Compression Refrigeration Unit

The hermetically sealed refrigerant compressor incorporates a brushless three phase DC electric motor that is driven by a variable speed controller. Compressor speed and power supplied is displayed on the PC.

The refrigerant exiting the compressor passes through a condenser, receiver, filter, variable area flow meter, expansion valve and evaporator before retuning to the inlet side of the compressor. The condenser and evaporator are brazed plate heat exchanger and utilize a large common reservoir of water to minimize changes in water temperature during operation.

Technical Details of Vapour Compression Refrigeration Unit