Positive Temperature Room Refrigeration Trainer Educational Equipment

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