Specification investigation of a heat pump with a water circuit as load refrigeration circuit with compressor, evaporator with fan, thermostatic expansion valve and coaxial coil heat exchanger as condenser hot water circuit with pump, tank and condenser as heater additional cooling via pipe coil in the hot water tank and external cooling water record and display of all relevant measured values refrigerant mass flow rate calculated in the software from recorded measured values software for data acquisition via USB under Windows 7, 8.1, 10 refrigerant R513A, GWP: 631 Technical data Compressor refrigeration capacity: 372W at 7,2/55°C power consumption: 205W at at 7,2/55°C Coaxial coil heat exchanger (condenser) refrigerant content: 0,55L water content: 0,3L Finned tube evaporator transfer area: approx. 0,175m2 Pump max. flow rate: 1,9m3/h max. head: 1,4m Hot water tank volume: approx. 4,5L Refrigerant: R513A GWP: 631 filling volume: 1kg CO2-equivalent: 0,6t Measuring ranges pressure: 2x -1…15bar temperature: 4x 0…100°C, 2x -100…100°C power: 0…6000W flow rate: 0…108L/h (water) flow rate: 10…160L/h (cooling water) flow rate: 0…17kg/h (refrigerant) 230V, 50Hz, 1 phase; 230V, 60Hz, 1 phase 120V, 60Hz, 1 phase UL/CSA optional Dimensions and weight LxWxH: 1630x800x1900mm Weight: approx. 195kg
Electricity meter: Watt-hour type recording
electrical input to the compressor using a digital wattmeter designed to allow students to gain a common understanding and assessment of performance and characteristics of a heat pump operating on a steam compression cycle and with an electric drive compressor, and is suitable for all levels of the course, from professional education to students. Atmospheric air is of poor quality Work is introduced as electrical energy into a hermetically sealed compressor Panel: High quality ABS. Compressor: fully sealed single cylinder reciprocating type. Engine displacement about 8.85 cm³ revolutions Condenser: water refrigerant Fluid receiver: with valves. Contains all refrigerant charge if required. Evaporator: air to refrigerant Digital thermometer: resolution 0.1 ° C, with switch on select from six thermocouples Flow meters x 2: type of variable area - indicate R134a and H2O costs. Gauges x 2: to indicate the pressure of R134a to the evaporator and condenser. Safety Features: - High Pressure Capacitor Switch and compressor thermal switch. - Residual current switch. - Combined bipolar trunk circuit breaker and overload disconnected
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