Webster JB Series Installation, Startup, Operation And Maintenance Manual page 4

sure. For gas firing, the gas manifold pressure is given in
"in wc" which is inches of water column.
The electrical ratings of the burner are given, with the volt-
age, current load, frequency and phase (this will either be
single or 3-phase). For motors, the motor HP is listed.
2. Ratings
The ratings for each specific burner are given on the name-
plate. The general burner ratings are given in Specifica-
tion Sheets that follow this section. The maximum inputs
are given, based on the type of fuel. Other conditions, like
the supply gas pressure or the combination of fuels, emis-
sion requirements and control systems may prevent the
burner from reaching the lowest firing rate.
3. Product Offering
The JB burner can fire natural gas, propane and digester
gas as well as all grades of light and heavy oil (#2, #4, #5
and #6 oils as defined by ASTM D396).
DO NOT USE GASOLINE, CRANKCASE OIL OR ANY
OIL CONTAINING GASOLINE.
This burner is also available as a low emission burner, and
will have model designation JBX. Several low NOx rates
are available for all gas and light oil burners, with the stan-
dard offering of 60 ppm and 30 ppm when firing natural
gas. Heavy oil is not allowed in combination with low NOx,
as the high sulfur content can recirculate from the vessel
through the burner when switched from heavy oil to gas.
Low sulfur heavy oil can be used with gas FGR, when the
sulfur is under ½% (the FGR is closed during oil firing).
The burner can also be equipped with a NOx cone for low
NOx on gas, which does not require FGR. (See Adden-
dum 950064).
Figure A-2 lists the common variations and options avail-
able on this product. The minimum furnace conditions are
given in Section C.
4. Your Complete Manual
In addition to this manual, there are several other docu-
ments that should be considered as part of the complete
manual for the burner. All of these documents are needed
to support the installation and startup of the unit. These
additional items include:
a. The wiring diagram, which shows the limits and inter-
connection of the burner and vessel controls.
b. The gas and oil piping schematics, which show the
components and their relative positions in the piping train.
c. The unit material list which provides an overview of
the burner requirements and a complete bill of material,
including the part numbers and description for each item.
d. The flame safeguard manual provides the operating se-
quence for the burner management system. This will be a
critical document for troubleshooting any future problems.
JB Manual
e. Catalog cuts of the major components. These provide
details on the installation, adjustment and maintenance of
the components used on the burner.
5. Service, Parts and other Information
Service and parts are available from your local Webster
Representative. For a list of Webster Representatives,
please visit the Webster web site at:
www.webster-engineering.com or call 620-221-7464.
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