Refrigeration Cycle and Heat Pump System - Astra Scientific
Refrigeration Cycle and Heat Pump System
ASTRA SCIENTIFIC Product Name: Refrigeration Cycle and Heat Pump System
ASTRA SCIENTIFIC Product Code: AIR-LABAST-003

Description and Specification for Lab Tenders

Refrigeration Cycle and Heat Pump System, We are manufacturer, supplier, exporter and solution provider in quality Refrigeration Cycle and Heat Pump System.

Refrigeration Cycle and Heat Pump System is designed to learn the theory of Heat Transfer in refrigeration engineering. With proper setup, KR-115 can be emulated as a Refrigeration or Heat Pump system. All system components are mounted on the front panel so that students are able to directly watch, touch the components, and hear the noise produced by the components while it is running under either Refrigeration or Heat Pump cycle. KR-115 offers three expansion devices available for the refrigerant to pass through; they are pressure expansion valve, capillary tube, and thermal expansion valve. Students can use the control panel to switch the preferred expanding path from three expansion devices and compare the corresponding performance under Refrigeration or Heat Pump cycle. The state of the refrigerant can be clearly observed through 6 sight glasses at different phases of the Refrigeration / Heat Pump cycle. 5 hand valves are used to manually control the flowing direction of the refrigerant circulating through the system. Student must use the valves to lead the refrigerant to the appropriate flowing direction so that the system can operate in corresponding cooling / heating condition. If students mislead the refrigerant to wrong flowing direction, the pressure protection switches will detect the conflict and halt the compressor to prevent the system being damaged. 1. Refrigeration circulation system with capillary tube 2. Refrigeration circulation system with pressure expansion control valve 3. Refrigeration circulation system with thermal expansion control valve 4. Reverse cycle heat pump system 5. Reverse cycle heat pump system without refrigerant receiver 6. Drawing Mollier Chart 7. Calculating system performance 8. Comparison of system performance 9. Comparison of energy between cooling and heating experiments 10. Coefficient of performance (COP) and energy efficiency ratio (EER)- All system components, including condenser, compressor, evaporator, capillary tube, filter, refrigerant receiver, accumulator, hand valves, pressure gauges, expansion devices, are mounted on the front panel for direct operation and observation - Use control panel to select heat pump cycle (cooling or heating), fan speed of evaporator and condenser, and expanding path of the refrigerant - Use control box to monitor the system voltage and current as well as heat pump status. - Provide three types of expansion devices, including capillary tube, pressure expansion valve, and thermal expansion valve for refrigerant to pass through. - Provide 6 sight glasses to observe the refrigerant status before and after passing evaporator, condenser, expansion devices, and compressor. - Provide 5 hand valves to control the flowing direction of the refrigerant. - Provide high and low pressure protection switches to automatically halt the compressor when detecting wrong refrigerant flowing path. - The refrigerant path for high pressure tube is painted in red and for low pressure tube is painted in blue.

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