Change history for item: ROC Optima B23A1 23.3 kW dual circuit

  1. Donny Darko 09 July 2023 08:40:14
    1. Create: Description #3545445
      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 #3545446
      Value: Gas, convection
    3. Create: Burner #3545447
      Value: Gas
    4. Create: Number of circuits #3545448
      Value: Double-circuit, bithermic heat exchanger
    5. Create: Thermal power #3545449
      Value: 7.80 - 23.30 kW
    6. Create: Thermal load #3545450
      Value: 8.70 - 26 kW
    7. Create: The combustion chamber #3545451
      Value: Open
    8. Create: Efficiency #3545452
      Value: 90 %
    9. Create: Control #3545453
      Value: Electronic
    10. Create: Installation #3545454
      Value: Wall-mounted
    11. Create: Primary heat exchanger material #3545455
      Value: Copper
    12. Create: Mains voltage #3545456
      Value: Single-phase
    13. Create: Peculiarities #3545457
      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 #3545458
      Value: 6 l
    15. Create: Equipment #3545459
      Value: Display
    16. Create: Fuel #3545460
      Value: Natural gas, liquefied gas
    17. Create: Natural gas consumption #3545461
      Value: 2.75 cu. m/hour
    18. Create: Nominal pressure of natural gas #3545462
      Value: 13 - 25 mbar
    19. Create: Heat carrier temperature #3545463
      Value: 30 - 85 °С
    20. Create: Temperature in the DHW circuit #3545464
      Value: 30 - 60 °С
    21. Create: Hot water capacity at t 25°C #3545465
      Value: 12.9 l/min
    22. Create: Max. water pressure in the DHW circuit #3545466
      Value: 8 bar
    23. Create: Max. water pressure in the heating circuit #3545467
      Value: 3 bar
    24. Create: Gas connection #3545468
      Value: 3/4"
    25. Create: Heating circuit connection #3545469
      Value: 3/4"
    26. Create: Branch pipe for connecting the DHW circuit #3545470
      Value: 1/2"
    27. Create: Chimney diameter #3545471
      Value: 130 mm
    28. Create: Dimensions WxHxD #3545472
      Value: 460x760x230mm
    29. Create: Weight #3545473
      Value: 32 kg
    30. Create: Image #6349071
      URL: https://avatars.mds.yandex.net/get-mpic/4948493/img_id9008327379062532554.jpeg/orig
    31. Create: Preview image #6349072
      URL: https://avatars.mds.yandex.net/get-mpic/4948493/img_id9008327379062532554.jpeg/orig
  2. Donny Darko 30 April 2023 09:00:43
    Name: ROC Optima B23A1 23.3 kW dual circuit; Catalog: Heating boilers