Flat collector Pivotable flat collector for converting solar energy into heat Features - pivotable flat collector for converting solar energy into heat - heat source with connections for the HL 320 modular system - components for operational and system reliability from real-world modern heating technology - suitable for sunlight and artificial light Learning objectives/experiments - layout and function of the flat collector - determining the net power - how temperature, illuminance and angle of incidence affect the collector efficiency - integration of a flat collector in a modern heating system - hydraulic and control engineering operating conditions - energy balances - optimisation of operating conditions for different types of use Specification [1] together with HL 320 modular system: investigation of functional and operational behaviour of a flat collector [2] solar thermal flat collector with selectively absorbing coating [3] adjustable collector tilt angle [4] solar circulation station with pump, expansion tank and safety valve [5] measurement instruments and controls by HL 320.05 [6] operation with solar radiation or HL 313.01 artificial light source Technical data Collector - absorbing surface: 1,8m2 - rated throughput: 40...150L/h - operating pressure: 1...3bar Solar circuit station - solar pump: variable - safety valve: 6bar - balancing valve: 1...13L/min Measuring ranges - temperature: -- 2x 0...160°C -- 3x -50°C...180°C - flow rate: 20...2500L/h - pressure: 0...6bar 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase, 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 1500x810x2225mm Weight: approx. 220kg