Tenders Description & Specification for Capacity Control in Refrigeration Systems
Capacity Control in Refrigeration Systems
Learning Objectives / Experiments:
Operation of a refrigeration controller with specification of temperatures for
Switching the fans on and off
Switching the defrost heater on and off
Controlling the refrigeration capacity
Key devices for changing the refrigeration capacity
Thermostat
Refrigeration controller
Capacity controller
Compressor with variable speed
Evaporation pressure controller.
Specifications:
1 refrigeration chamber with refrigeration controller for temperature control; solenoid valve, fan and defrost heater as actuators
1 refrigeration chamber with thermostat, solenoid valve and evaporation pressure controller for temperature control
Refrigeration circuit with compressor, condenser and 2 evaporators in insulated refrigeration chambers
Methods for capacity control in refrigeration systems
Each refrigeration chamber with adjustable heater to generate a cooling load, thermostatic expansion valve and fan
Compressor with variable speed via frequency converter
Refrigerant R134a, CFC-free
Capacity controller in the compressor by pass.
Ltekonline are the manufacturers of Capacity Control in Refrigeration Systems used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Refrigeration Training Kit for Engineering Teaching Lab in Universities
