Specifications

© The Fulton Companies 2012
3-10
OPERATION VTG-IOM-2012-1001 SECTION 3
! WARNING
All information in this manual is for
reference and guidance purposes,
and does not substitute for required
professional training, conduct,
and strict adherence to applicable
jurisdictional/professional codes and
regulations.
Non-Fulton product information is for
reference purposes only. No Fulton
document should substitute for full
review of documentation available
from the component manufacturer.
4. Check combustion and adjust the servo motors are required. To adjust a
servo motor, arrow to it and press Enter. Then adjust the setting as required
and press Enter. You can now adjust another servo motor if needed.
5. When combustion is properly set of that point, press Escape once more. If
it asks you to store the point, press Enter. Note the AZL will only ask to save
if either servo value has been altered. Low  re is now set and stored.
¡ Setting the Complete Turndown Range
NOTE: ´ It is only necessary to approximate the setting through the modulation
range until high  re conditions are established.
Proceed as follows:
1. Press Enter to have access to the point number  eld. Increase the point
number by one and press Enter.
2. Select ChangePoint and press Enter. The servos will now move to that
point.
3. Verify combustion is satisfactory.
4. Measure input or monitor last elbow pressure. Verify that these points are
in general correspondence with the test  re sheet.
5. Repeat above until the point position has a load value of 100%. You are
now at high  re. Verify combustion is per test  re sheet.
6. If operating on gas, adjust the incoming gas pressure at the main gas
regulator to match the test  re report. Adjust the gas servo motor to
change the last elbow pressure to match the test  re report. Adjust the air
servo motor to adjust the emissions as needed.
7. If operating on oil, adjust the oil pump and air pressure regulator to match
the pressures on the test  re sheet. Adjust the oil servo until the oil  ow
rate matches the test  re sheet. Adjust the air servo to match the test  re
sheet.
8. Repeat the procedure for setting low  re but start at the high  re point
number. Continually decrease the point number after combustion has
been veri ed at each point.
If the burner loses  ame while driving to a point:
» Turn the main ON/OFF switch to OFF. Reset the loss of  ame
fault by depressing (for 3 seconds) the Flame Safeguard Reset
pushbutton. The red light on the panel box door should go out.
» Adjust the air and gas servos for that point while the burner is o .
» Turn the main ON/OFF switch to ON.
9. Once all the points have been veri ed, press Escape until you are back to
the main menu.