UFC 3 -430-11
14 February 2001
Table 6-2. Boiler Control Panel Alarms and Shutdowns
(X shows alarm or shutdown item required)
INSTRUMENT
ALARMS
SHUTDOWNS
Levels
Boiler drum water
Low
X
Low-low
X
X
High
X
High-high
X
X
Flows
Combustion air
Low
X
Low-low
X
X
Pressures
Boiler feedwater
header
Low
X
Boiler steam drum
Low
X
Low-low
X
X
High
X
High-high
X
X
Steam header
Low
X
High
X
Pilot gas
Low
X
Low-low
X
X
High
X
High-high
X
X
Fuel gas
Low
X
Low-low
X
X
High
X
High-high
X
X
Fuel oil
Low
X
Low-low
X
X
High
X
High-high
X
X
Atomizing steam
Low
X
Low-low
X
X
6-5
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