Change history for item: ROC Optima B18A1 18 kW dual circuit

Edit History of changes Delete item

1. Donny Darko 09 July 2023 08:41:00
   1. Create: Description #3545639
      Value: Type of heating boiler: gas, max. thermal power: 18 kW, number of circuits: double-circuit, placement: wall-mounted, fuel: natural gas, liquefied gas, type of combustion chamber: open, type of power supply: single-phase, at
      
   2. Create: Type of heating boiler #3545640
      Value: Gas, convection
      
   3. Create: Burner #3545641
      Value: Gas
      
   4. Create: Number of circuits #3545642
      Value: Double-circuit, bithermic heat exchanger
      
   5. Create: Thermal power #3545643
      Value: 6 - 18 kW
      
   6. Create: Thermal load #3545644
      Value: 6.70 - 20 kW
      
   7. Create: The combustion chamber #3545645
      Value: Open
      
   8. Create: Efficiency #3545646
      Value: 90 %
      
   9. Create: Control #3545647
      Value: Electronic
      
   10. Create: Installation #3545648
       Value: Wall-mounted
       
   11. Create: Primary heat exchanger material #3545649
       Value: Copper
       
   12. Create: Mains voltage #3545650
       Value: Single-phase
       
   13. Create: Peculiarities #3545651
       Value: Air vent, built-in expansion tank, built-in circulation pump, pressure gauge, safety valve, connector for external control, thermometer
       
   14. Create: Expansion tank volume #3545652
       Value: 6 l
       
   15. Create: Equipment #3545653
       Value: Display
       
   16. Create: Fuel #3545654
       Value: Natural gas, liquefied gas
       
   17. Create: Natural gas consumption #3545655
       Value: 2.12 cu. m/hour
       
   18. Create: Nominal pressure of natural gas #3545656
       Value: 13 - 25 mbar
       
   19. Create: Heat carrier temperature #3545657
       Value: 30 - 85 °С
       
   20. Create: Temperature in the DHW circuit #3545658
       Value: 30 - 60 °С
       
   21. Create: Hot water capacity at t 25°C #3545659
       Value: 9.5 l/min
       
   22. Create: Max. water pressure in the DHW circuit #3545660
       Value: 8 bar
       
   23. Create: Max. water pressure in the heating circuit #3545661
       Value: 3 bar
       
   24. Create: Gas connection #3545662
       Value: 3/4"
       
   25. Create: Heating circuit connection #3545663
       Value: 3/4"
       
   26. Create: Branch pipe for connecting the DHW circuit #3545664
       Value: 1/2"
       
   27. Create: Chimney diameter #3545665
       Value: 130 mm
       
   28. Create: Dimensions WxHxD #3545666
       Value: 460x760x230mm
       
   29. Create: Weight #3545667
       Value: 31 kg
       
   30. Create: Image #6349085
       URL: https://avatars.mds.yandex.net/get-mpic/4252138/img_id3006167170721369121.jpeg/orig
       
   31. Create: Preview image #6349086
       URL: https://avatars.mds.yandex.net/get-mpic/4252138/img_id3006167170721369121.jpeg/orig
       
2. Donny Darko 30 April 2023 09:00:44
   Name: ROC Optima B18A1 18 kW dual circuit; Catalog: Heating boilers