Tenders Description & Specification for Capacity Control and Faults in Refrigeration Systems
Capacity Control and Faults in Refrigeration Systems
Learning Objectives / Experiments:
Familiarization with the key devices for changing the refrigeration capacity
Thermostat
Effect of refrigerant supercooling
Familiarization with defrosting methods
Capacity controller
Start-up controller
Evaporation pressure controller
Condensation pressure controller
Fault finding in refrigeration system components
Electric defrost heater
Hot gas defrosting
Representation of the thermodynamic cycle in the log p-h diagram.
Specifications:
Refrigeration circuit with compressor, condenser, capacity controller, start-up controller, combined pressure switch and 2 evaporators in insulated chambers
Freezing chamber with electric defrost heater and hot gas defrosting
Separate or parallel operation of the chambers via solenoid valves
Each chamber with solenoid valve, thermostat, thermostatic expansion valve, fan and heat exchanger for refrigerant supercooling
Investigation of a refrigeration system with refrigeration and freezing chambers
Refrigeration chamber with evaporation pressure controller
Simulation of 12 faults.
Ltekonline are the manufacturers of Capacity Control and Faults in Refrigeration Systems used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Refrigeration Training Kit for Engineering Teaching Lab in Universities
