Tenders Description & Specification for Refrigeration Circuit with Variable Load
Refrigeration Circuit with Variable Load
Learning Objectives / Experiments:
Design and components of a refrigeration system
Compressor
Condenser
Thermostatic expansion valve
Evaporator
Pressure switch
Representation of the thermodynamic cycle in the log p-h diagram
Determination of important characteristic variables
Coefficient of performance
Refrigeration capacity
Compressor work
Operating behaviour under load
Specifications:
Investigation of a refrigeration circuit with water circuit as load
Refrigeration circuit with compressor, condenser with fan, thermostatic expansion valve and coaxial coil heat exchanger as evaporator
Record of all relevant measured values and display directly at the location of measurement
Water circuit with pump, tank with heater as cooling load at the evaporator
Heater with controller to adjust the tank temperature
Refrigerant R134a, CFC-free
Technical Data:
Compressor
Refrigeration capacity: 380W at 5/40°C
Evaporator
Refrigerant volume: 0.4L
Water volume: 0.8L
Condenser
Transfer area: approx. 0.175m²
Fan power consumption: 2x 29W
Pump
Flow rate: 1.9m³/h
Head: 1.4m
Tank
Volume: approx. 4.5L
Heater: approx. 450W
Measuring ranges
Pressure: 2x -1...15bar
Compressor power: 1x 0...600W
Temperature: 6x 0...100°C
Flow rate (water): 1x 0.05...1.8L/min
Dimensions and Weight: LxWxH: 1400x560x1800mm
Weight: 120kg
Connections: 230V, 50/60Hz, 1 phase or 120V, 60Hz, 1 phase.
Ltekonline are the manufacturers of Refrigeration Circuit with Variable Load used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Refrigeration Training Kit for Engineering Teaching Lab in Universities
