EC2020 Refrigeration Cycle Training Equipment R32
This is a training device that uses the next-generation refrigerant R32, which balances environmental load reduction and energy efficiency improvement. The refrigeration system is clearly arranged on a tabletop base, allowing for effective learning of the heat pump cycle. The operation can be switched between cooling and heating with a switch. During cooling operation, the high-temperature, high-pressure refrigerant gas (superheated vapor) discharged from the compressor passes through the sight glass and is cooled and condensed (subcooled liquid) in the condenser. The low-temperature, low-pressure liquid refrigerant (saturated liquid) that passes through the capillary tube (expansion valve) via the sight glass enters the evaporator. In the evaporator, it undergoes heat exchange with air, providing latent heat of vaporization to the air, and the vaporized refrigerant (superheated vapor) returns to the compressor via the sight glass. By measuring the pressure and temperature at each part, a P-h diagram (pressure-enthalpy diagram) is created, and the coefficient of performance (COP) of this device is calculated from the inlet pressure and temperature of the compressor and the compressor efficiency. By using the optional Kits Windows (EC2000 version) software, it becomes easier to calculate the theoretical cycle, draw the P-h diagram (Mollier diagram), and calculate the coefficient of performance (COP), allowing for comparisons with different refrigerants.
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basic information
EC2020 Specifications Dimensions and Weight: 800 x 700 x H350mm, 45kg Power Supply: AC100V/5A 50/60Hz Compressor: Rotary compressor (constant speed) Compressor Cooling Capacity: 1405W Compressor Input: 623W Refrigerant: R32 approximately 240g Capillary Tube: φ1.0mm (two different lengths included) Pressure Gauge: High pressure side -0.1 to 5.3MPa, Low pressure side -0.1 to 3.8MPa Operating Temperature Range: +5℃ to +30℃ Accessories: Two types of capillary tubes (540mm, 1400mm) *Note Please be aware that the temperature of the compressor and piping during operation can reach high temperatures close to 100℃.
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Applications/Examples of results
This is a training device that uses the next-generation refrigerant R32, which balances environmental load reduction and energy efficiency improvement. The refrigeration system is clearly arranged on a tabletop base, allowing for effective learning of the heat pump cycle. The switch operation allows for easy switching between cooling and heating. Delivery achievements: universities, technical colleges, high schools, vocational training universities, private companies, etc.
Detailed information
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TM01 4CH Temperature Display (optional, sold separately) W70xD200xH45mm approximately 0.5kg, 9V battery x 1 piece
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KITS-EC2000 Refrigerant Thermophysical Properties and Cycle Performance Calculation Software (sold separately) This is software for theoretical cycle calculations. It calculates the theoretical cycles for refrigerants R134a, R404a, R410a, R1234yf, and R32. Input the physical property values measured at each point from the experimental device into the software, and calculate the theoretical cycle from the physical properties at the compressor inlet and outlet. Additionally, the physical properties at the compressor outlet are determined from the compressor efficiency to calculate the theoretical cycle.
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EC2000a Variable Fan Unit (sold separately) This unit allows for variable airflow of the condenser fan and evaporator fan (coil tube fan). (Triac type, adjustment range 1-100%) It connects in-line with the wiring of each fan in the device. Box dimensions: W100 x D70 x H75mm Cable length: approximately 1M Note: A decrease in the condenser side fan will result in a pressure increase. Please ensure that the pressure does not exceed the upper limit.
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Megakemu designs, manufactures, and imports various experimental and practical equipment for universities, junior colleges, technical colleges, high schools, and vocational schools across the country. While the world has made advancements in various fields, it seems that our Earth's environment is being disrupted by ourselves and is approaching its limits. The world is seeking new Japanese technologies that coexist with the Earth's environment.
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