Change history for item: Gas Alphatherm Sigma PTD 28U 28.1 kW double-circuit

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1. Donny Darko 08 July 2023 05:41:53
   1. Create: Description #3400588
      Value: Type of heating boiler: gas, max. heating power: 28.10 kW, number of circuits: double-circuit, placement: wall-mounted, fuel: natural gas, liquefied gas, combustion chamber type: closed, type of power supply: single-phase,
      
   2. Create: Type of heating boiler #3400589
      Value: Gas, convection
      
   3. Create: Burner #3400590
      Value: Gas
      
   4. Create: Number of circuits #3400591
      Value: Double-circuit
      
   5. Create: Thermal power #3400592
      Value: 10.20 - 28.10 kW
      
   6. Create: Thermal load #3400593
      Value: 11.50 - 30.10 kW
      
   7. Create: The combustion chamber #3400594
      Value: Closed
      
   8. Create: Efficiency #3400595
      Value: 93.21 %
      
   9. Create: Control #3400596
      Value: Electronic
      
   10. Create: Installation #3400597
       Value: Wall-mounted
       
   11. Create: Primary heat exchanger material #3400598
       Value: Copper
       
   12. Create: Mains voltage #3400599
       Value: Single-phase
       
   13. Create: Peculiarities #3400600
       Value: Air vent, built-in expansion tank, built-in circulation pump, pressure gauge, safety valve, connector for external control, thermometer, water filter
       
   14. Create: Expansion tank volume #3400601
       Value: 8 l
       
   15. Create: Equipment #3400602
       Value: Display
       
   16. Create: Fuel #3400603
       Value: Natural gas, liquefied gas
       
   17. Create: Nominal pressure of natural gas #3400604
       Value: 20 mbar
       
   18. Create: Permissible LPG pressure #3400605
       Value: 37 mbar
       
   19. Create: Heat carrier temperature #3400606
       Value: 45 - 78 °С
       
   20. Create: Temperature in the DHW circuit #3400607
       Value: 35 - 57 °С
       
   21. Create: Hot water capacity at t 35°C #3400608
       Value: 11.14 l/min
       
   22. Create: Hot water capacity at t 40°C #3400609
       Value: 9.75 l/min
       
   23. Create: Hot water capacity at t 45°C #3400610
       Value: 8.7 l/min
       
   24. Create: Max. water pressure in the DHW circuit #3400611
       Value: 6 bar
       
   25. Create: Max. water pressure in the heating circuit #3400612
       Value: 3 bar
       
   26. Create: Gas connection #3400613
       Value: 3/4"
       
   27. Create: Heating circuit connection #3400614
       Value: 3/4"
       
   28. Create: Branch pipe for connecting the DHW circuit #3400615
       Value: 1/2"
       
   29. Create: Coaxial chimney diameter #3400616
       Value: 60/100 mm
       
   30. Create: Connection of a separate chimney diameter 80 mm #3400617
       Value: Yes
       
   31. Create: Dimensions WxHxD #3400618
       Value: 420x700x345mm
       
   32. Create: Weight #3400619
       Value: 37 kg
       
   33. Create: Image #6321547
       URL: https://avatars.mds.yandex.net/get-mpic/4289990/img_id6047871038610731693.jpeg/orig
       
   34. Create: Preview image #6321548
       URL: https://avatars.mds.yandex.net/get-mpic/4289990/img_id6047871038610731693.jpeg/orig
       
2. Donny Darko 30 April 2023 08:23:39
   Name: Gas Alphatherm Sigma PTD 28U 28.1 kW double-circuit; Catalog: Heating boilers