EP18-72-IOMM-2015-7
Fulton Ltd
Page 25
MAINTENANCE - 4
4.2.2
LOW WATER LEvEL CHECkS
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 OFF the pump using the Pump On/Off switch.
3. Allow the water level to lower by natural evaporation below the Low Water level.
4. Verify that the Low Water lamp illuminates, the Low Water audible alarm sounds and that the
boiler stops heating.
If the test fails, turn the boiler off and ensure that the fault is rectified before the boiler is
used.
5. Switch ON the pump using the Pump On/Off switch.
6.
Verify that the pump runs and refills the boiler. When the water level rises above the Low
Water level, verify that the Low Water lamp extinguishes, the Low Water audible alarm
silences and the elements start heating.
7. Verify that the pump continues to run until the Pump Off level is reached and then switches off.
4.2.3
EvAPORATION CHECk
This check may be required by your insurance inspector as part of the annual inspection.
To perform the evaporation check, follow the procedure in
Section 4.2.2 - Low Water Level
checks
allowing water to lower by natural evaporation and
not
by manual blowdown.
