E7014
11
The flame detection signals generated via electrode (ionization) are normally lower than those generated
via UV scanner; nevertheless in both cases the bargraph shows the stability of the flame signal and
therefore the reliability of the burner.
LOCAL PUSH BUTTON
ESA ESTRO allows the configuration of the push button operation according its application’s
requirement (see chapter Configuration). The push button may execute the manual operations of
unlocking and shutoff, only manual unlocking, only manual shutoff and it can be disabled in case of
serial communication modes.
According its function the button action can be different:
-
unlocking: the push button has to be pressed for 1 to 3 sec. and when released it executes the
unlocking of ESA ESTRO;
-
manual shutoff: the push button executes immediately the ESA ESTRO stop when pressed.