Function and operating behaviors of a modern heating system with digital heating controller
Four-way mixer and three-way mixer
Electric boiler
2 circulating pumps, 1 domestic water pump
4 different radiators and additional plate heat exchanger with shower system as domestic water consumer
Colored pipes indicate heating feed and return
Measurement of temperature, pressure and flow rate
Boiler, 4 stages: 6/9/12/15kW,
Max. Feed temperature: 95°C,
Water tank capacity: 16 ltr
Circulating pump 3 stages: 60W,
Max. Flow rate: 60ltr/min,
Max. Head: 4m
Domestic water pump: 20W, max. 640ltr/h, max. 0.14bar
Plate heat exchanger: 3kW, 10 plates
Measuring ranges: temperature: 3x 20...120°C / 2x 0...120°C / 2x 0...100°C / 4x 0...80°C, pressure: 8x 0...2.5bar, flow rate: 100...1000ltr/h, water meter: 2.5m³/h

Ltekonline are the manufacturers of Central Geo Thermal Heating System used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Heat Transfer Lab Equipments for Engineering Teaching Lab in Universities