Low Water Level Check - FULTON VSRT Series Installation, Operation And Maintenance Manual

MAINTENANCE - 6
6.4.2

LOW WATER LEVEL CHECK

1. Ensure that the boiler is firing, the feedwater pump is not running and that the water level
is between Pump On and Pump Off.
2. Switch the Pump switch to the OFF position.
3. Allow the water level to lower by natural evaporation below the Low Water level.
Do not allow the water level to drop below the bottom of the water level gauge (sight glass).
4. Check:
a) Low Water limiter lights illuminate
b) Low Water audible alarm sounds
c) Burner stops firing
d) Feedwater pump does not start
If the test fails, turn the boiler off and ensure that the fault is rectified before the boiler is
used.
5. Switch the pump switch to the ON position.
6. Check:
a) Feedwater pump starts and refills the boiler
b) Water level rises above the Low Water level
c) Burner does not start
d) Low Water audible alarm continues to sound
7. Press the Common Alarm Reset switch for 2 seconds maximum
8. Check:
a) Low Water Limiter lights extinguish
b) Low Water audible alarm silences
c) Burner automatic fire sequence starts
9. Verify that the pump continues to run until the Pump Off level is reached and then switches off.
VSRT-IOMM-2019-1
Fulton Ltd
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