FULTON VMP40 - Page 44

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Flame Scanner
Adjustments for Fulton
Gas Fired Steam Boilers
1. Flame scanner adjustments are made
with the detectors installed and the
burner running. It is essential to obtain
optimum flame signal detection for safe
and continual operation of the control
relay.
2. If a scanner is inoperable, it may prove
the detector is working and only an
adjustment to the pilot flame is needed
to improve the signal.
3. If the scanner is found to be
defective, replace.
NOTE
The scanner is located on the outside
edge of the burner top plate for 40, 80,
and 100 HP.
4. For the RM7800 Series use a keyboard
display module or volt meter. The flame
safeguard will require a 1.25 VDC
signal to pull in the main flame. Then a
maximum signal should be obtained on
main flame (5.0 VDC).
5. Adjustments to establish a good signal
may include the following items:
a. Primary and secondary air adjustments.
b. Increasing the pilot gas through the
pilot gas regulator.
Checking the Stainless
Steel Combustion Ring
on Fulton Gas Fired
Steam Boilers
1. The stainless steel combustion
ring in Fulton gas fired boilers are
designed to bring quick and effective
flame transfer to the fire wall. The ring
should fit securely and tight against the
furnace wall for best results.
2. The ring should be inspected for
distortion in the event of poor
combustion which could result in flame
failures.
VMP IOM
Maintenance
Stainless Steel
Combustion
Ring (40-100)
Gas Train Assembly
Ignition Electrode
Burner Viewing Port
Blast Tube
Blast Tube Viewing Port
Burner Plate
Scanner Location
Gas Orifice Assembly
Top Plate
Deflector
Burner Alignment Tab