ET431 Vapour-compression refrigeration unit Vocational Education Equipment For School Lab Air Conditioner Training Equipment Technical Specification
• Refrigerant: R-134a
• Hermetically sealed compressor:
• Water cooled condenser through Plate heat exchanger
• Condenser cooling fan not required.
• Water cooled evaporator via Plate Heat Exchanger with submersible pump
• Variation of flow through plate Heat Exchanger
• Thermostatic Expansion valve: Danfoss TN2 Internally equalised valve • Refrigerant flow measurement: Rotameter, Range: 9-38 Litres/min calibrated for 134-A• Hand shut off valves are not necessary because it is a sealed system.
• No filter dryer necessary as it is a sealed system
• Bourdon Pressure Gauge: 0-25Bar
• Bourdon Compound Gauge 0-10Bar
• HP/LP CUTOUT: Low Pressure 2 Bar/ High Pressure 16 Bar
• 24V DC Speed controller on compressor with integral power measurement on PC
• Electrically isolated
• No digital display. PC display required.
• USB computer connectivity
