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Capacity Control Methods in Refrigeration
Product Code: SUK-SCHOOL-SSLAB-M600004
Description & Specifications
Capacity Control Methods in Refrigeration
Technical Specification
The compressor drive motor is controlled using a frequency converter.
The evaporators are in individual insulated compartments. In the first
compartment the temperature is regulated using an intake pressure
controller and thermostat (mechanical regulation), in the second
compartment using a case controller (electronic regulation). The cooling
capacity of the system with 2 separate evaporators can be changed by
adjusting the speed of the open compressor. In both cooling compartments
a cooling load can be generated using an electrical heater. Fans ensure
even temperature distribution. A bypass capacity regulator is installed
in the refrigerant circuit that connects the high and low pressure
sides of the compressor. The signals provided by these sensors are also
used by the case controller. The system is equipped with temperature
sensors at all relevant measuring points.