Water Heating With Flat Collector

Solar circulation station with pump, expansion vessel and safety valve
Hot water circuit with buffer tank, pump and plate heat exchanger
Four bimetallic thermometers
Trainer for investigating the function and operating be haviour of a flat collector
Solar thermal flat collector with selectively absorbing coating
Adjustable collector tilt angle
Data logger with use interface
Operation with solar radiation
Solar controller with temperature, flow and illuminance sensors.

Solar Circuit
Collector
Rated throughput: 20...70l/h 
Operating pressure: 1...3bar
Absorbing surface: 2,3m²
Safety valve 4bar
Measuring Ranges
Temperature: 4x 0...120°C
Flow rate: 20...150l/h.
Hot Water Circuit
Buffer tank 70L
Plate heat exchanger: 3kw, 10 plates.