FULTON RBC1250 - 1 St Low Water Level Check

RB-RBC-IOMM-2015-1
Fulton Ltd
Page 30
MAINTENANCE - 4
4.4.2 1ST LOW WATER LEVEL CHECK
1. Ensurethattheboilerisring,thefeedwaterpumpisnotrunningandthatthewaterlevelis
between Pump On and Pump Off.
2. Switch off the pump using the Pump on/off switch.
3. Allow the water level to lower by natural evaporation below the 1st Low Water level.
Do not allow the water level to drop below the bottom of the water level gauge (sight glass).
Note: Water level should not be lowered to 1st low water using manual blowdown when the system is running.
4. Check:
a) 1st Low Water lamp illuminates
b) 1st Low Water audible alarm sounds
c) Burnerstopsring
If the test fails, turn the boiler off and ensure that the fault is rectied before the boiler is
used.
5. Switch on the pump using the Pump on/off switch.
6. Check:
a) Feedwaterpumpstartsandrellstheboiler
b) Water level rises above the 1st Low Water level
c) 1st low Water lamp extinguishes
d) 1st Low Water audible alarm silences
e) Burnerautomaticresequencestarts
7. Verify that the pump continues to run until the Pump Off level is reached and then switches off.