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The minimum setting pressure switch intervenes and stops the
burner. The burner stays in stand-by until the pressure is restored
and lies within the values required for operation.
After that, the burner re-starts in an autonomous way following the
ignition sequence.
IMPORTANT
In case only one pressure switch is installed on the gas train, it
must be a pressure switch for minimum pressure.
IONISATION CURRENT MEASUREMENT
The maximum ionisation current value required for a correct operation
of the equipment is indicated in the wiring diagram.
The burner provides a significantly higher current and therefore does
not normally require any checks at all.
Should however, the ionisation current need to be measured, a
microammeter must be connected in series to the ionisation electrode
lead by opening the connector as illustrated in the figure.
PIN 2
X10-05
ioniz_LME73
DIAGRAM FOR REGULATION OF COMBUSTION HEAD AND ELECTRODE DISK DISTANCE
3
0002939630
1
2
1
2
B
3
4
4
A
3
1 - Ionisation electrode
2 - Ignition electrode
3 - Flame disk
4 - Mixer
A
B
TBG 2000 ME / MC
20
5
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