Change history for item: Gas Alphatherm Sigma BT 28U 28 kW double-circuit

Edit History of changes Delete item

1. Donny Darko 08 July 2023 05:42:06
   1. Create: Description #3400686
      Value: Type of heating boiler: gas, max. thermal power: 28 kW, number of circuits: double-circuit, placement: wall-mounted, fuel: natural gas, liquefied gas, type of combustion chamber: closed, type of power supply: single-phase, at
      
   2. Create: Type of heating boiler #3400687
      Value: Gas, convection
      
   3. Create: Burner #3400688
      Value: Gas
      
   4. Create: Number of circuits #3400689
      Value: Double-circuit, bithermic heat exchanger
      
   5. Create: Thermal power #3400690
      Value: 10.20 - 28 kW
      
   6. Create: Thermal load #3400691
      Value: 11.50 - 30.10 kW
      
   7. Create: The combustion chamber #3400692
      Value: Closed
      
   8. Create: Efficiency #3400693
      Value: 93.18 %
      
   9. Create: Control #3400694
      Value: Electronic
      
   10. Create: Installation #3400695
       Value: Wall-mounted
       
   11. Create: Primary heat exchanger material #3400696
       Value: Copper
       
   12. Create: Mains voltage #3400697
       Value: Single-phase
       
   13. Create: Peculiarities #3400698
       Value: Air vent, built-in expansion tank, built-in circulation pump, pressure gauge, safety valve, connector for external control, thermometer, water filter
       
   14. Create: Expansion tank volume #3400699
       Value: 8 l
       
   15. Create: Equipment #3400700
       Value: Display
       
   16. Create: Fuel #3400701
       Value: Natural gas, liquefied gas
       
   17. Create: Natural gas consumption #3400702
       Value: 3.18 cu. m/hour
       
   18. Create: LPG consumption #3400703
       Value: 2.34 kg/h
       
   19. Create: Nominal pressure of natural gas #3400704
       Value: 20 mbar
       
   20. Create: Permissible LPG pressure #3400705
       Value: 37 mbar
       
   21. Create: Heat carrier temperature #3400706
       Value: 45 - 78 °С
       
   22. Create: Temperature in the DHW circuit #3400707
       Value: 35 - 57 °С
       
   23. Create: Hot water capacity at t 25°C #3400708
       Value: 16.1 l/min
       
   24. Create: Hot water capacity at t 30°C #3400709
       Value: 13.4 l/min
       
   25. Create: Hot water capacity at t 35°C #3400710
       Value: 11.5 l/min
       
   26. Create: Hot water capacity at t 40°C #3400711
       Value: 10.1 l/min
       
   27. Create: Hot water capacity at t 45°C #3400712
       Value: 8.9 l/min
       
   28. Create: Max. water pressure in the DHW circuit #3400713
       Value: 6 bar
       
   29. Create: Max. water pressure in the heating circuit #3400714
       Value: 3 bar
       
   30. Create: Gas connection #3400715
       Value: 3/4"
       
   31. Create: Heating circuit connection #3400716
       Value: 3/4"
       
   32. Create: Branch pipe for connecting the DHW circuit #3400717
       Value: 1/2"
       
   33. Create: Coaxial chimney diameter #3400718
       Value: 60/100 mm
       
   34. Create: Connection of a separate chimney diameter 80 mm #3400719
       Value: Yes
       
   35. Create: Dimensions WxHxD #3400720
       Value: 420x700x345mm
       
   36. Create: Weight #3400721
       Value: 37 kg
       
   37. Create: Image #6321553
       URL: https://avatars.mds.yandex.net/get-mpic/4314340/img_id2538463654624341309.jpeg/orig
       
   38. Create: Preview image #6321554
       URL: https://avatars.mds.yandex.net/get-mpic/4314340/img_id2538463654624341309.jpeg/orig
       
2. Donny Darko 30 April 2023 08:23:40
   Name: Gas Alphatherm Sigma BT 28U 28 kW double-circuit; Catalog: Heating boilers