Change history for item: Gas Hi-Therm Optimus 28 double-circuit

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1. Donny Darko 09 July 2023 14:12:22
   1. Create: Description #3604221
      Value: Type of heating boiler: gas, max. thermal power: 27.80 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 #3604222
      Value: Gas, convection
      
   3. Create: Burner #3604223
      Value: Gas
      
   4. Create: Number of circuits #3604224
      Value: Double-circuit
      
   5. Create: Thermal power #3604225
      Value: 10.30 - 27.80 kW
      
   6. Create: The combustion chamber #3604226
      Value: Closed
      
   7. Create: Efficiency #3604227
      Value: 90.4 %
      
   8. Create: Control #3604228
      Value: Electronic
      
   9. Create: Installation #3604229
      Value: Wall-mounted
      
   10. Create: Primary heat exchanger material #3604230
       Value: Copper
       
   11. Create: Secondary heat exchanger material #3604231
       Value: Stainless steel
       
   12. Create: Mains voltage #3604232
       Value: Single-phase
       
   13. Create: Peculiarities #3604233
       Value: Air vent, built-in expansion tank, built-in circulation pump, pressure gauge, safety valve
       
   14. Create: Expansion tank volume #3604234
       Value: 7 l
       
   15. Create: Equipment #3604235
       Value: Built-in exhaust fan, display
       
   16. Create: Fuel #3604236
       Value: Natural gas, liquefied gas
       
   17. Create: Natural gas consumption #3604237
       Value: 3.1 cu. m/hour
       
   18. Create: LPG consumption #3604238
       Value: 2.15 kg/hour
       
   19. Create: Nominal pressure of natural gas #3604239
       Value: 20 mbar
       
   20. Create: Permissible LPG pressure #3604240
       Value: 37 mbar
       
   21. Create: Heat carrier temperature #3604241
       Value: 35 - 85 °С
       
   22. Create: Temperature in the DHW circuit #3604242
       Value: 35 - 55 °С
       
   23. Create: Hot water capacity at t 30°C #3604243
       Value: 12.3 l/min
       
   24. Create: Max. water pressure in the DHW circuit #3604244
       Value: 10 bar
       
   25. Create: Max. water pressure in the heating circuit #3604245
       Value: 3 bar
       
   26. Create: Gas connection #3604246
       Value: 3/4"
       
   27. Create: Heating circuit connection #3604247
       Value: 3/4"
       
   28. Create: Branch pipe for connecting the DHW circuit #3604248
       Value: 1/2"
       
   29. Create: Coaxial chimney diameter #3604249
       Value: 60/100 mm
       
   30. Create: Dimensions WxHxD #3604250
       Value: 403x730x345mm
       
   31. Create: Weight #3604251
       Value: 31 kg
       
   32. Create: Image #6357784
       URL: https://avatars.mds.yandex.net/get-mpic/4762868/img_id7510929168894520065.jpeg/orig
       
   33. Create: Preview image #6357785
       URL: https://avatars.mds.yandex.net/get-mpic/4762868/img_id7510929168894520065.jpeg/orig
       
2. Donny Darko 30 April 2023 09:16:01
   Name: Gas Hi-Therm Optimus 28 double-circuit; Catalog: Heating boilers