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The check is made with heating return and
delivery probes.
ΔT del-ret and the delivery and backflow
temperatures of the rising speed are checks. The
pressure is checked by minimum pressure
switch.
The gas valve is supplied at the set power for
the Soft Ignition (adjustable from the control
panel with parameter 220).
Flame ionization if checked. (by the detection
electrode).
Display 5 P1 will indicate if there is no ignition
and there will be a second attempt with 100% of
the set power for the Soft Ignition , if it is
unsuccessful, it will be indicated by
5 P2 , the third attempt is carried out with 100%
of the set power for the Soft Ignition. If the third
attempt is unsuccessful block shutdown will
occur5 01 .
Safety time 8 sec.