NEO FIRE – Technical Manual
16
7
POWER MODULATION AND COMBUSTION SYSTEM
7.1
Assembly of gas connection – air/gas inlet
The NEO FIRE boiler includes an air-gas premix system of modulating combustion, composed of:
Venturi operating as an air-gas mixer, ensuring combustion with a constant proportion of air/gas to the
premix burner, throughout its power modulation range.
The venturi produces a depression and drives the gas towards the gas valve outlet
It operates as an additional safety: if there is no air inlet, there will be no gas admission.
The gas shut-off valve regulates the gas outlet pressure according to the pressure value in the venturi.
Summary of Contents for NEO FIRE 120
Page 1: ...TECHNICAL MANUAL OF INSTALLATION USE AND MAINTENANCE 07 2020 ...
Page 7: ...NEO FIRE Technical Manual 7 NEO FIRE 360 900 ...
Page 9: ...NEO FIRE Technical Manual 9 NEO FIRE 80 NEO FIRE 120 160 ...
Page 10: ...NEO FIRE Technical Manual 10 NEO FIRE 200 280 NEO FIRE 360 720 ...
Page 34: ...NEO FIRE Technical Manual 34 11 1 Electric drawing NEO FIRE 80 720 ...
Page 35: ...NEO FIRE Technical Manual 35 11 2 Electric drawing NEO FIRE 810 900 ...
Page 37: ...NEO FIRE Technical Manual 37 Electric drawing 1 Boiler with 3 heating circuits ...
Page 41: ...NEO FIRE Technical Manual 41 System drawing 1 Boiler and Domestic Hot Water DHWS ...
Page 58: ...NEO FIRE Technical Manual 58 System drawing D H W and heating circuit 11 11 ...
Page 59: ...NEO FIRE Technical Manual 59 System drawing of an old installation heating circuit 11 ...
Page 70: ...NEO FIRE Technical Manual 70 18 4 Position of probes and sensors ...