Ariston GENUS PREMIUM EVO 24

Training manual ALTEAS & GENUS ONE
Page. 19 of 88
follows
Flame detection
CONTROL
Gas valve ON
Gas valve is supplied
The checking is made with heating return and delivery
probes. ΔT del-ret and the delivery and return
temperatures of the rising speed are checks.
The pressure is checked by a pressure sensor
Flame ionization is checked. (By the detection
electrode).
1st attempt with the power of slow ignition, if at the
end of the safety time (8 sec) the flame has not been
detected it will be signalled 5 P6
and a second
attempt will be made;
2
nd
attempt with the power of slow ignition, if at the
end of the safety time (8 sec) the flame has not been
detected it will be signalled 5 P6 3
rd
attempt will be
made;
……….
6
th
attempt with the power of slow ignition, if at the
end of the safety time (8 sec) the flame has not been
detected it will be shutdown 5 01
with 40 seconds of
post-ventilation at maximum speed and 2 minutes of
post-circulation at minimum speed.