Learning objectives and Experiments
• Introducing the main principle of operation of the refrigeration
compression system
• Key components of a refrigeration system
(compressor, evaporator, condenser, expansion element)
• Relationship between the pressure and boiling point of a liquid
• Learning about the main factors that can affect the refrigeration
system performance
• Operation of a refrigeration system / heat pump
• Investigating the main principle of the thermodynamics cycle
• Simple energy balance
| Product Name: Simple Compression Refrigeration Circuit Model Name: YESR-E3100 Features and Description • The trainer features a simple compression refrigeration system • Evaporator and condenser have been designed as a pipe coil with each end immersed in a water-filled tank • The water simulates the environment • A thermostatic expansion valve serves as expansion element • Two manometers indicate the two system pressures on the high and low pressure sides • On an additional scale on the manometer (or Adding thermometers), the evaporation temperature of the refrigerant is indicated • Two thermometers measure the temperature of the water in the tanks • This allows for calculations of the amount of heat removed from the environment (evaporator, cold water) and added to the environment (condenser, hot water) • A sight glasses is provided to allow free visual inspection indicates the aggregate state of the refrigerant upstream of the expansion valve Instructional material • The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments Technical Specifications • Educational unit for providing a hand-on training of Apprenticeship for refrigeration • Basic principles of refrigeration in a simplified model • Common compression refrigeration system with compressor of piston type, evaporator and condenser (each in the shape of a pipe coil) and a thermostatic expansion valve • 2 manometers with temperature scale for the refrigerant show the values of the refrigerant on the high and low-pressure sides • 2 tanks filled with water combined with thermometer to indicate the cooling and heating effects • Pressure switch to protect the compressor • sight glass to monitor the aggregate state of the refrigerant • used refrigerant , CFC-free • Brand : YES01, Youngil Education System Co., Ltd • Main Items of Circuit : - Main switch - Pressure switch to protect the compressor - Evaporator in the shape of a pipe coil - Compressor - Receiver - 2 water-filled tanks with 2 thermometer to demonstrate the cooling and heating effect - Condenser in the shape of a pipe coil - Sight glass (refrigerant) to monitor the aggregate state of the refrigerant - 2 manometers with temperature scale for the refrigerant show the values of the refrigerant on the high and low-pressure sides - Expansion valve - Refrigerant R134a, CFC-free • Intake side (low pressure) pressure: (-1...13) bar temperature: -50...40°C • Delivery side (high pressure) pressure: (-1...25) bar temperature: -40...80°C • Thermometers: (-10...50°C) • Power: 230V, 50/60Hz, 1 phase • Water tanks: ≥ 1700mL • Model and Name of Manufacturer* of: - Main switch : Hanyoung / LS - Pressure switch : Danfoss - Compressor : LG - Manometers : Kimo - Expansion valve : Danfoss • Stand : Mounted on mobile frame with wheel Accessories • Instructional material in English or Arabic: 1set / unit • Water tanks (stand by): 2piece/ unit • Thermometers (stand by):2piece/ unit *Maintenance Service / Customer Service Centers in Egypt • Thermometers (stand by):2piece/ unit *Remark • Supplied by YES01, the company that has certification for ISO9001, CE • Seoul Metropolitan Government and Seoul Business Agency certify that YES01 is a |

