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S
Y TO
YST M
S
CH MATICS
ymbol
Appearance
NC
hese are the symbols used in the schematics.
Name
i n nox
Eclipse Combustion, Inc.
Main Gas Shutoff
strongly endorses NFPA as a
Val v e Trai n
minimum
Gas cocks are used to
Gas Cock
manual l y shut off the gas
supply on both sides of the
main gas shut-off valve train.
Solenoid valves are used to
Solenoid Val v e
automatically shut off the gas
(normall y closed)
supply on a bypass gas system
or on small capacity burners.
Pressure Regul a tor
A pressure regulator reduces
gas pressure to a stable, usable
pressure.
A ratio regulator is used to control
the air/gas ratio. he ratio
regulator is a sealed unit that
adjusts the gas flow in ratio with
Ratio Regulator
the air flow. o do this, it measures
the air pressure with a pressure
sensing line, the impulse line. his
impulse line is connected between
the top of the ratio regulator and
the burner body.
clipse Winnox WX Series v1, Installation Guide No. 111, 8/26/05
Remarks
Bulletin/
Info Guide
756
710
760
684
742
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