Wall hung condensing gas boiler for Nat. gas or LPG, LOW NOx class 5, premix modulating burner, for indoor and outdoor installations, also in battery (up to 8 units)
Output range: from 99.5 to 920 kW (in battery)
- Modulation ratio 1:5.75 (5.0)
- Casing front panel with hang-up closing and fixing through screws.
- Flow and Return C.H. connections of 1 ¼”
- Smoke outlet 100 mm diameter
- Combustion air inlet dia. 80/100 mm
- Minimum gas feeding pressure: 15 mbar
- Maximum available pressure at the chimney base: 150 Pa
- Maximum allowable temperature: 100°C
- Maximum working temperature: 85°C
- Primary heat exchanger in Al/Si/Mg alloy completely irrigated, ultracompact with high water circulation (5 years guarantee)
- Self-adapting output according to length of the smoke evacuation ducts
- Very low polluting emission, Low NOx, class 5 according to EN 15502-2
- High efficiency ErP pump standard supplied
- NTC sensors for control of flow and return temperature
- Safety thermostat
- Safety thermostat for the heat exchanger
- Minimum gas pressure switch set at 15 mbar
- Minimum water pressure switch set at 0.5 bar
- Smokes safety pressure switch
- Safety level switch on condensate drain
- Pressure safety valve set at 6 bar
- Boiler drain valve
- Automatic and manual air venters
- Ignition electrode - ionization electrode
- Pump anti-jamming time controlled function
- Standard panel board inside the casing, complete with display, push buttons for menu adjustment and programming
Options:
- Plate heat exchangers for hydraulic separation
- Primary circuits with mixing header
- Smoke evacuation accessories for cascade mounting
- Accessories for electronic regulation
- Acidic condensate neutralizers