Forced circulation systems

Sigma

Forced circulation systems

Forced circulation systems are the most widespread systems in Central and Northern European countries, as low temperatures are a limiting factor in the location of the boiler. This system consists of the collector, the boiler, the boiler room boiler, the support base, the solar station, the differential thermostat, temperature sensors and various accessories.

The biggest advantages of the forced circulation system, compared to the hot water heater, are the following:

  • Less heat loss of the boiler, as it is installed indoors
  • System automation
  • Greater system flexibility, resulting in greater overall plant efficiency

Suggested wiring

in forced circulation systems

The specific wiring is indicative.

People 3-5
3-power solar boiler 150 lt
Double exchanger Yes
Selective collectors 1
Collective surface 2.5 m²
Solar station Yes
Base Ναι
Antifreeze 2 lt
Collector accessories Yes
Automatic Filling Machine
Cross with two Solar cells
Solar Aerator + Solar Vane
Electric Resistance 4 kw
Solar Expansion Tank 8 lt
Pressure vessel 12 lt
People 5-7
3-power solar boiler 200 lt
Double exchanger Yes
Selective collectors 2
Collective surface 3 m²
Solar station Yes
Base Yes
Antifreeze 2 lt
Collector accessories Yes
Automatic Filling Machine
Cross with two Solar cells
Solar Aerator + Solar Vane
Electric Resistance 4 kw
Solar Expansion Tank 8 lt
Pressure vessel 16 lt
People 7-9
3-power solar boiler 300 lt
Double exchanger Yes
Selective Collectors 2
Collective surface 4 m²
Solar station Yes
Base Yes
Antifreeze 3 lt
Collector accessories Yes
Automatic Filling Machine
Cross with two Solar cells
Solar Aerator + Solar Vane
Electric Resistance 4 kw
Solar Expansion Tank 18 lt
Pressure vessel 24 lt
People 9-17
3-power solar boiler 500 lt
Double exchanger Yes
Selective Collectors 4
Collective surface 8 m²
Solar station Yes
Base Yes
Antifreezw 4 lt
Collector accessories Yes
Automatic Filling Machine
Cross with two solar cells
Solar Aerator + Solar Vane
Electric Resistance On demand
Solar Expansion Tank 24 lt
Pressure vessel 50 lt
People 9-17
3-power solar boiler 500 lt
Double exchanger Yes
Selective Collectors 5
Collective surface 10 m²
Solar station Yes
Base Yes
Antifreeze 5 lt
Collector accessories Yes
Automatic Filling Machine
Cross with two Solar cells
Solar Aerator + Solar Vane
Electric Resistance On demand
Solar Expansion Tank 24 lt
Pressure vessel 50 lt
People 17-30
3-power solar boiler 800 lt
Double exchanger Yes
Selective Collectors 6
Collective surface 12 m²
Solar station Yes
Base Yes
Antifreeze 6 lt
Collector accessories Yes
Automatic Filling Machine
Cross with two solar cells
Solar Aerator + Solar Vane
Electric Resistance On demand
Solar Expansion Tankr 24 lt
Pressure vessel 60 lt
People 3-5
3-power solar boiler 150 lt
Double exchanger Yes
Selective Collectorsς 1
Collective surface 2.5 m²
Solar station Yes
Base Yes
Antifreeze 2 lt
Collector accessories Yes
Automatic Filling Machine
Cross with two solar cells
Solar Aerator + Solar Vane
Electric Resistance 4 kw
Solar Expansion Tank 8 lt
Pressure vessel 12 lt
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