Adisa NEO FIRE 120, Technical Manual Of Installation, Use And Maintenance

Page: 43 / 77

NEO FIRE – Technical Manual
43
14 SAFETIES
These are the safeties included in the boiler:
Cause for safety
activation Safety component
of the boiler
Boiler restart
No flame
Ionization
electrode
Manual reset
Syphon blockage /
air inlet blockage/
flue blockage
Air pressure
switch
Automatic reset
Overheating
Safety
overheating
thermostat
> 90ºC+- hysteresis: the regulation stops the boiler.
> 95ºC: boiler lockout, error on the display. Manual reset.
> 100ºC: fan at the maximum power to cool down the boiler.
> Around 103ºC: lockout, other error on the display, manual reset.
No gas
Minimum gas
pressure switch
Automatic reset
Low water flow
through the boiler
Boiler control unit
Safety 1: if the Delta T in the boiler is higher than the maximum
Delta T, the power drops by 20%.
Safety 2: if it overcomes “the maximum Delta T” + 8ºC, the boiler
operates at the minimum power.
Safety 3: if it overcomes a higher value, the boiler stops and an
error message appears on the display E 110/428.
Lack of water
pressure in the
circuit
Pressure sensor
The boiler stops for safety if pressure is lower 0.8 bar. Automatic
reset at 1 bar
15 BOILERS IDENTIFICATION LABEL
The adhesive identification label of each boiler is placed at left side of the boiler