Change history for item: ROC Optima B23F2 23.3 kW double circuit

  1. Donny Darko 09 July 2023 08:40:26
    1. Create: Description #3545528
      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: closed, type of power supply: single-phase,
    2. Create: Type of heating boiler #3545529
      Value: Gas, convection
    3. Create: Burner #3545530
      Value: Gas
    4. Create: Number of circuits #3545531
      Value: Double-circuit
    5. Create: Thermal power #3545532
      Value: 7.80 - 23.30 kW
    6. Create: Thermal load #3545533
      Value: 8.70 - 26 kW
    7. Create: The combustion chamber #3545534
      Value: Closed
    8. Create: Efficiency #3545535
      Value: 90 %
    9. Create: Control #3545536
      Value: Electronic
    10. Create: Installation #3545537
      Value: Wall-mounted
    11. Create: Primary heat exchanger material #3545538
      Value: Copper
    12. Create: Mains voltage #3545539
      Value: Single-phase
    13. Create: Peculiarities #3545540
      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 #3545541
      Value: 6 l
    15. Create: Equipment #3545542
      Value: Display
    16. Create: Fuel #3545543
      Value: Natural gas, liquefied gas
    17. Create: Natural gas consumption #3545544
      Value: 2.75 cu. m/hour
    18. Create: Nominal pressure of natural gas #3545545
      Value: 13 - 25 mbar
    19. Create: Heat carrier temperature #3545546
      Value: 30 - 85 °С
    20. Create: Temperature in the DHW circuit #3545547
      Value: 30 - 60 °С
    21. Create: Hot water capacity at t 25°C #3545548
      Value: 13.6 l/min
    22. Create: Max. water pressure in the DHW circuit #3545549
      Value: 8 bar
    23. Create: Max. water pressure in the heating circuit #3545550
      Value: 3 bar
    24. Create: Gas connection #3545551
      Value: 3/4"
    25. Create: Heating circuit connection #3545552
      Value: 3/4"
    26. Create: Branch pipe for connecting the DHW circuit #3545553
      Value: 1/2"
    27. Create: Coaxial chimney diameter #3545554
      Value: 60/100 mm
    28. Create: Connection of a separate chimney diameter 80 mm #3545555
      Value: Yes
    29. Create: Dimensions WxHxD #3545556
      Value: 460x760x230mm
    30. Create: Weight #3545557
      Value: 34 kg
    31. Create: Image #6349077
      URL: https://avatars.mds.yandex.net/get-mpic/4547325/img_id6861870366333950168.jpeg/orig
    32. Create: Preview image #6349078
      URL: https://avatars.mds.yandex.net/get-mpic/4547325/img_id6861870366333950168.jpeg/orig
  2. Donny Darko 30 April 2023 09:00:43
    Name: ROC Optima B23F2 23.3 kW double circuit; Catalog: Heating boilers