Change history for item: ROC Optima B23A2 23.3 kW double circuit

  1. Donny Darko 09 July 2023 08:40:21
    1. Create: Description #3545499
      Value: Type of heating boiler: gas, max. heating power: 23.30 kW, number of circuits: double-circuit, placement: wall-mounted, fuel: natural gas, liquefied gas, type of combustion chamber: open, type of supply: single-phase,
    2. Create: Type of heating boiler #3545500
      Value: Gas, convection
    3. Create: Burner #3545501
      Value: Gas
    4. Create: Number of circuits #3545502
      Value: Double-circuit
    5. Create: Thermal power #3545503
      Value: 7.80 - 23.30 kW
    6. Create: Thermal load #3545504
      Value: 8.70 - 26 kW
    7. Create: The combustion chamber #3545505
      Value: Open
    8. Create: Efficiency #3545506
      Value: 90 %
    9. Create: Control #3545507
      Value: Electronic
    10. Create: Installation #3545508
      Value: Wall-mounted
    11. Create: Primary heat exchanger material #3545509
      Value: Copper
    12. Create: Mains voltage #3545510
      Value: Single-phase
    13. Create: Peculiarities #3545511
      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 #3545512
      Value: 6 l
    15. Create: Equipment #3545513
      Value: Display
    16. Create: Fuel #3545514
      Value: Natural gas, liquefied gas
    17. Create: Natural gas consumption #3545515
      Value: 2.75 cu. m/hour
    18. Create: Nominal pressure of natural gas #3545516
      Value: 13 - 25 mbar
    19. Create: Heat carrier temperature #3545517
      Value: 30 - 85 °С
    20. Create: Temperature in the DHW circuit #3545518
      Value: 30 - 60 °С
    21. Create: Hot water capacity at t 25°C #3545519
      Value: 13.3 l/min
    22. Create: Max. water pressure in the DHW circuit #3545520
      Value: 8 bar
    23. Create: Max. water pressure in the heating circuit #3545521
      Value: 3 bar
    24. Create: Gas connection #3545522
      Value: 3/4"
    25. Create: Heating circuit connection #3545523
      Value: 3/4"
    26. Create: Branch pipe for connecting the DHW circuit #3545524
      Value: 1/2"
    27. Create: Chimney diameter #3545525
      Value: 130 mm
    28. Create: Dimensions WxHxD #3545526
      Value: 460x760x230mm
    29. Create: Weight #3545527
      Value: 32 kg
    30. Create: Image #6349075
      URL: https://avatars.mds.yandex.net/get-mpic/4372348/img_id3329376041238397885.jpeg/orig
    31. Create: Preview image #6349076
      URL: https://avatars.mds.yandex.net/get-mpic/4372348/img_id3329376041238397885.jpeg/orig
  2. Donny Darko 30 April 2023 09:00:43
    Name: ROC Optima B23A2 23.3 kW double circuit; Catalog: Heating boilers