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Raya 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;
  • Thermopolymer-covered stainless steel heat exchanger;
  • 24, 28 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;
  • 3-speed pump with integrated air purging device;
  • 10 l heating expansion vessel;
  • 26-plate DHW heat exchanger;
  • Variable-speed combustion fan;
  • Microprocessor control board;
  • LCD control panel with self-diagnosis 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
  • Associated with a solar calorifier;

  • 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°)
Raya Eco 1124 008311003 23,7  3,2-24,9 2,7-22,9 106,5 105,1 96,7
Raya Eco 1128 008311004 26,4
3,58-27,9
3,0-25,4
107,0
105,5 96,4
Raya Eco 1132 008311005 30,4
4,4-32,3
3,9-29,4
108,3 106,2 96,8