Setting The Gas Pressure Switch Min - Bentone BG 400 LN Installation And Maintenance Instruction

4.8

Setting the gas pressure switch min

The gas pressure switch must react to too low a connection pressure
to the burner, prevent the burner from starting and stop the burner
during operation. The burner may start again when the connection
pressure has risen above the set pressure on the gas pressure switch.
1. Remove protective cover.
Open measuring socket and connect a manometer for
2.
measuring connection pressure.
3. Start the burner.
4. Measure and note the connection pressure to the burner at
the highest input power.
5. Set the gas pressure switch to a value 10-15% lower than the
noted pressure.
6.
Check the setting by carefully closing the ball valve and at the
same time measuring the connection pressure.
7. When the gas pressure switch stops the burner, the measured
value must approximately correspond to the setting on the
gas pressure switch.
Open ball valve.
8.
9. Remove manometer and close measuring socket.
10. Refi t protective cover.
!
Check gas tightness.
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Bentone