Change history for item: ROC Optima B18A2 18 kW dual circuit

Edit History of changes Delete item

1. Donny Darko 09 July 2023 08:41:04
   1. Create: Description #3545668
      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 #3545669
      Value: Gas, convection
      
   3. Create: Burner #3545670
      Value: Gas
      
   4. Create: Number of circuits #3545671
      Value: Double-circuit
      
   5. Create: Thermal power #3545672
      Value: 6 - 18 kW
      
   6. Create: Thermal load #3545673
      Value: 6.70 - 20 kW
      
   7. Create: The combustion chamber #3545674
      Value: Open
      
   8. Create: Efficiency #3545675
      Value: 90 %
      
   9. Create: Control #3545676
      Value: Electronic
      
   10. Create: Installation #3545677
       Value: Wall-mounted
       
   11. Create: Primary heat exchanger material #3545678
       Value: Copper
       
   12. Create: Mains voltage #3545679
       Value: Single-phase
       
   13. Create: Peculiarities #3545680
       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 #3545681
       Value: 6 l
       
   15. Create: Equipment #3545682
       Value: Display
       
   16. Create: Fuel #3545683
       Value: Natural gas, liquefied gas
       
   17. Create: Natural gas consumption #3545684
       Value: 2.12 cu. m/hour
       
   18. Create: Nominal pressure of natural gas #3545685
       Value: 13 - 25 mbar
       
   19. Create: Heat carrier temperature #3545686
       Value: 30 - 85 °С
       
   20. Create: Temperature in the DHW circuit #3545687
       Value: 30 - 60 °С
       
   21. Create: Hot water capacity at t 25°C #3545688
       Value: 9.8 l/min
       
   22. Create: Max. water pressure in the DHW circuit #3545689
       Value: 8 bar
       
   23. Create: Max. water pressure in the heating circuit #3545690
       Value: 3 bar
       
   24. Create: Gas connection #3545691
       Value: 3/4"
       
   25. Create: Heating circuit connection #3545692
       Value: 3/4"
       
   26. Create: Branch pipe for connecting the DHW circuit #3545693
       Value: 1/2"
       
   27. Create: Chimney diameter #3545694
       Value: 130 mm
       
   28. Create: Dimensions WxHxD #3545695
       Value: 460x760x230mm
       
   29. Create: Weight #3545696
       Value: 31 kg
       
   30. Create: Image #6349087
       URL: https://avatars.mds.yandex.net/get-mpic/4291905/img_id2407667494282089122.jpeg/orig
       
   31. Create: Preview image #6349088
       URL: https://avatars.mds.yandex.net/get-mpic/4291905/img_id2407667494282089122.jpeg/orig
       
2. Donny Darko 30 April 2023 09:00:45
   Name: ROC Optima B18A2 18 kW dual circuit; Catalog: Heating boilers