2.5.4
Panel Display
As a minimum, the following parameters shall be displayed on the panel:
Indicator
Recorder Point
Pressure
Main hot water header
x
x
Boiler drum
x
Feedwater
x
x
Instrument air
x
Indicator
Recorder Point
Draft
Windbox
x
x
Furnace
x
Gas outlet
x
ID fan inlet
x
Indicator
Recorder Point
Temperature
Hot water outlet
x
Boiler gas outlet
x
Windbox
x
Feedwater
x
HTW differential
temperature
x
HTW zone inlet and
outlet (each
zone)
x
Indicator
Recorder Point
Level
Bunker or silo
x
Indicator
Recorder Point
Flow
Hot water outlet
(including totalizer)
x
Feedwater
x
Air
x
Fuel
x
HTW (each zone)
x
Indicator
Recorder Point
Analyzers
Flue gas opacity
x
Flue gas oxygen
x
2.5.5
Hot Water and Feedwater Flow Measurement
Orifice plates shall be provided to measure hot water and feedwater flow to
each generator. Nozzles and orifice plates shall be flange-mounting type
and made of stainless steel. Orifice plates shall be of the square edge,
SECTION 15555A
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