Cooling with Solar Electricity Teaching Equipment

Cooling with Solar Electricity is a compression refrigeration system designed for operation with electricity generated by photovoltaic modules or from a laboratory power supply. The system enables practical investigation of refrigeration technology using solar-generated electrical energy.

The compression refrigeration system consists of a refrigerant compressor with adjustable speed, an insulated refrigeration chamber with evaporator, cold accumulators, cooling load, thermostatic expansion valve and condenser. Direct current can be supplied from photovoltaic modules.

A heater is provided to generate a cooling load, while the control unit enables temperature-controlled compressor operation. Rechargeable cold accumulators support practical cooling experiments, and sensors are provided for measuring temperature and pressure.

The refrigerant mass flow rate is precisely calculated using software. Control functions and data acquisition via USB are available for PC-based operation and analysis.

Designed and manufactured by Atico Export to meet the practical requirements of modern technical education laboratories.

Compressor :

• Speed: 2000–3500 min⁻¹
• Refrigeration capacity: approximately 90 W at 0/55 °C and 2000 min⁻¹
• Electrical power consumption: approximately 46 W at 0/55 °C and 2000 min⁻¹

Control Unit :

• Input voltage range: 10–45 V DC

Refrigeration Chamber :

• L × W × H: approximately 400 × 250 × 500 mm

Cold Accumulators :

• Phase transition: 5–6 °C

Refrigerant :

• Refrigerant: R513A
• GWP: 631
• Filling volume: 450 g
• CO₂ equivalent: 0.3 t

Measuring Ranges :

• Temperature: 4 × −30–80 °C, 3 × 0–120 °C
• Pressure: 2 × 0–6 bar, 2 × 0–30 bar
• Current: 0–10 A
• Voltage: 0–60 V
• Refrigerant flow rate: calculated 0–11 kg/h

• Compression refrigeration system for operation with electricity from photovoltaic modules or laboratory power supply
• Compression refrigeration system with refrigerant compressor, insulated refrigeration chamber, evaporator, cold accumulators, cooling load, thermostatic expansion valve and condenser
• Supply with direct current from photovoltaic modules
• Heater to generate a cooling load
• Control unit for temperature-controlled compressor operation
• Rechargeable cold accumulators
• Sensors for capturing temperature and pressure
• Refrigerant mass flow rate calculated using software
• Software with control functions and data acquisition via USB
• PC-based operation and data acquisition
• Refrigerant: R513A