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Nebula Eco 24, 28, 32

 Descrizione  Disegni e Misure 

 

Wall-hung condensing premix boiler with instantaneous production of hot water, sealed chamber

 

Main Characteristics:


  • Efficiency class   (92/42/EEC directive)
  • Class 5 NOx;
  • Polypropylene shell;
  • Touch screen user interface
  • Thermopolymer-covered stainless steel heat exchanger;
  • 24 and 32 kW Output;
  • Modulation range 1:9
  • Modulating gas valve with constant air-to-gas ratio;
  • Adjustable maximum heating output;
  • Room temperature can be set from the boiler if an external probe is installed;
  • Fully pre-mixed burner;
  • Modulating pump;
  • 10 l heating expansion vessel;
  • Domestic hot water stainless steel 26-plate exchanger with thermal insulation;
  • Domestic hot water comfort (EN 13203);
  • Variable-speed combustion fan;
  • Microprocessor control board;
  • Zero-limestone function;
  • Multifunctional relay for connection to systems with zone valves or to solar systems or to remote boiler shutdown alarms;
  • Controls to manage three different types of solar thermal systems fitted as standard;
  • Pre-set for connection to a GSM modem for remote switching on and off and malfunction alarm (optional equipment);
  • Associated with a solar calorifier;
  • Installation flexibility thanks to IPX5D electrical protection degree
  • Prepared for connection to:
  • external probe
  • remote control
  • PCBs for low-temperature zones
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Tecnical Data
Model Reference Input Output Output Net efficency at



(50°/30°) (80°/60°) 30% 100% 100%


kW kW kW (50°/30°) (50°/30°) (80°/60°)
Nebula Eco 1124 008312000 23,7  3,2-24,9 2,7-22,9 106,5 105,1 96,7
Nebula Eco 1132 008312001 30,4
4,4-32,3
3,9-29,4
108,3 106,2 96,8