KONf 200-400

Floor standing, condensing gas boiler, , Low NOx class 5, for Nat. Gas or LPG, for indoor /outdoor installation, isolation protection IP X5D

Output range: from 200 to 400 kW

  • Special containing cabinet for outdoor installation
  • Hydraulic connection flanges between more units, DN 80
  • Three way valve for hydraulic interception on the flow and outlet in atmosphere
  • Two way valve for hydraulic interception on the return with Flowstop
  • Gas connection flange between more units, DN 50
  • Smokes evacuation duct 100 mm dia. with analysis sampling nipple
  • Cabinets front door with airing slots
  • Minimum feeding gas pressure: 15 mbar
  • Maximum allowable pressure at the chimney base: 150 Pa
  • Maximum allowable temperature: 100°C
  • Maximum working temperature: 90°C
  • Modulation ratio 1:10 (1:21)
  • Two or four primary heat exchangers in Al/Si/Mg alloy, according to the model, entirely irrigated, ultracompact with high water circulation (5 years guarantee)
  • Digital electronic regulator U-Fly with function of: thermo-regulator and cascade controller and manager.
  • Additional functions: diagnosis of operational parameters and errors, antifreeze, technical services, post-circulation and digital errors indication
  • BCM 2.0: with 0-10 Volt connection port for external control of the boiler temperature modulation
  • Very low polluting emissions, Low NOx, class 5 according to EN 15502-1
  • High efficiency modulating pumps (2x or 4x, according to the model) standard supplied
  • Minimum gas pressure switch
  • Minimum water pressure switch (2x or 4x, according to the model)
  • Safety level switch on condensate drain (2x or 4x, according to the model)
  • Isolation Protection IP X5D
  • Blind flange and gaskets included in the supply

 

Options:
- Plate heat exchangers for hydraulic separation
- Primary circuits with hydraulic separator (mixing header)
- Smoke evacuation accessories for cascade mounting
- Accessories for electronic regulation
- Acidic condensate neutralizers


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