CFP Positive Temperature Room Refrigeration Trainer Educational Equipment
The trainer is properly designed for educational aims and studies the refrigeration at positive temperature.
TRAINING PROGRAM
• Plant starting and verification of the safety devices intervention
• Study of the operation and set up of a thermostatic expansion valve
• ON/OFF control
• Analysis of the system behaviour at variation of:
- thermostatic valve superheat
- Condenser air flow
• Drawing the cycle in the pressure – enthalpy diagram of the refrigerant gas
• Data collection and calculation of:
- Thermal balances at evaporator, condenser, compressor
- Cycle EER
TECHNICAL SPECIFICATIONS
• Steel structure on wheels, painted and treated in the oven
• Silk-screened coloured synoptic panel with led
• Hermetic compressor
• Forced air condenser with potentiometer to vary the air flow
• Positive temperature room:
- Gross volume: approx. 0.5 m3
- Insulating material: foam - 4 cm thickness
- Forced air evaporator
- Electric defrost
- Electric resistor for thermal load simulation
• Thermostatic expansion valve
• Electronic controller of the unit
• Liquid receiver, liquid separator
• Sight glass, dehydrating filter
• Plant vacuum, gas charge and recovery valve
• Complete set of instruments for data acquisition including:
- High and low pressure gauges
- 2 digital thermometers with Pt100 probes to be inserted into different test point along the hydraulic circuit
- digital multimeter
• Double pressostat
• Thermomagnetic - earth leakage control button
• Emergency button
Power supply: 230 Vac 50 Hz single-phase - 1500 VA (Other voltage and frequency on request)
Dimensions: 130x80x180 cm
Net weight: 226 kg
Supply with
THEORETICAL – EXPERIMENTAL HANDBOOK