Capacity Control And Faults In Refrigeration Systems

Product Description

Capacity Control And Faults In Refrigeration Systems

1. Investigation of a refrigeration system with refrigeration and freezing chambers
2. Refrigeration circuit with compressor, condenser, capacity controller, start-up controller, combined pressure switch and 2 evaporators in insulated chambers
3. Each chamber with solenoid valve, thermostat, thermostatic expansion valve, fan and heat exchanger for refrigerant supercooling
4. Refrigeration chamber with evaporation pressure controller
5. Freezing chamber with electric defrost heater and hot gas defrosting
6. Separate or parallel operation of the chambers via solenoid valves
7. Simulation of 12 faults
8. Touch panel pc for fault activation, data acquisition, evaluation and representation in the
9. Log p-h diagram
10. Refrigerant R404a

Technical Data

Compressor

1. Refrigeration capacity: 2440W at -10/30°C

Condenser With Fan

1. Volumetric air flow rate: 570m³/h

Evaporator Transfer Areas

1. Refrigeration chamber: 1,12m²
2. Freezing chamber: 1,88m²
3. Electric defrost heater: approx. 125W
4. Capacity controller: 0,2...6bar
5. Start-up controller: 0,2...6bar
6. Thermostat: 2x -25...15°C
7. Evaporation pressure controller: 0...5,5bar

Measuring Ranges

1. Temperature: 6x -50...50°c; 5x 0...100°c
2. Pressure: 3x -1...12,5bar; 2x -1...24bar 
3. Flow rate: 2x 1.5...22,5l/h
4. Compressor power consumption: 0...5kW