Refrigeration Cycle Training Equipment R1234yf
This is a device that uses R1234yf, a refrigerant developed as a substitute for HFC-134a. Compared to HFC-134a, it has a lower ozone depletion potential and global warming potential, making it an environmentally friendly refrigerant. The refrigeration system using R1234yf (refrigerant for car air conditioning and vending machines) is clearly arranged on a tabletop base. The EC2002 has an added heating and cooling switch compared to the EC2001, allowing for effective learning of the heat pump cycle. The high-temperature, high-pressure refrigerant gas (superheated vapor) discharged from the compressor passes through the dryer, solenoid valve, and sight glass, where it 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, where it undergoes heat exchange with air, providing latent heat of vaporization to the air. The vaporized refrigerant (superheated vapor) then returns to the compressor via the sight glass and solenoid valve. 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.
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basic information
EC2002 Specifications Dimensions and Weight: 700 x 600 x H250mm, 38kg Power Supply: AC100V 50/60Hz Compressor: Fully enclosed reciprocating type Compressor Output: 200W Refrigerant: R1234yf approximately 240g Capillary Tube: φ1.0mm (includes three different lengths) Manometer: High pressure side -0.1 to 3.5MPa, low pressure side -0.1 to 2.5MPa Operating Temperature Range: +5℃ to +30℃ Accessories: Refrigerant service cans 200g x 2, service can valve, charging hose, three types of capillary tubes (130mm, 1040mm, 3000mm)
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Applications/Examples of results
A refrigeration system using R1234yf (refrigerant for car air conditioners and vending machines) has been clearly arranged on a tabletop base. The EC2002 has an added heating and cooling switch compared to the EC2001, allowing for effective learning of the heat pump cycle. Delivery achievements: Vocational Ability Development University, Polytechnical Centers, universities, high schools, etc.
Detailed information
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Temperature measurement, capillary tube 3000mm
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Replenishing R1234yf refrigerant
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TM01 Temperature Display (sold separately)
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System Overview Diagram
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KITS Windows refrigerant thermophysical properties and cycle performance calculation software (optional, sold separately)
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Company information
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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