Boiler Start-Up Following Short Term Shut-Down; Boiler Shut-Down; Short Term Shut-Down (Hours); Medium Term Shut-Down (Days) - FULTON RB Series Installation, Operation And Maintenance Manual

Fulton Ltd
Note: If the 2nd Low Water and High Pressure Alarm/Reset switches illuminate and the alarms sound, check that
the burner mounted Burner On/Off/Reset Switch is in the OFF position, and then reset both alarms by pressing
the switches.
7. The burner motor will start and, after going through the post purge/pre purge interlock checks,
should fire after approximately 45 seconds.
Note: Before leaving the boiler unattended, the daily operating tests (see Section 4.11.1) should be carried out
to check the functions of all the safety interlocks. For more detailed information on the burner firing sequence
consult the burner manufacturer's Operation and Maintenance instructions.
3.5.1

BOILER START-UP FOLLOWING SHORT TERM SHUT-DOWN

If the boiler has been shut-down short term (see Section 3.6.1 - Short Term Shut-Down), the
large thermal mass in the boiler will maintain the internal temperature to a point that the boiler
can be simply switched on (preferably on low fire) and then left to reach working temperature/
pressure.
3.6

BOILER SHUT-DOWN

3.6.1

SHORT TERM SHUT-DOWN (HOURS)

Select OFF on the burner control panel switch.
The burner will stop firing, post-purge and then stop.
3.6.2

MEDIUM TERM SHUT-DOWN (DAYS)

1. Select OFF on the burner control panel switch.
The burner will stop firing, post-purge and then stop.
2. Shut the main steam valve.
3. Select pump only on the boiler control panel.
Note: Ensure the boiler water treatment levels for dissolved oxygen are within the specified limits.
3.6.3

LONG TERM SHUT-DOWN (WEEKS)

To store the boiler in a corrosion-free situation there are three practical solutions:
1. Fully flood the boiler to exclude as much air as possible.
2. Drain the boiler completely.
Remove all hand hole and manhole doors.
Open all gas/oil side access doors.
3. As (2) but also introduce a form of convection heating to the gas/oil and water side.
A very effective solution is to install a small heater.
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