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