Fulton Vantage (VTG) Fully Condensing Hydronic Boiler - Manual (Page 60)

© The Fulton Companies 2013
MAINTENANCE
VTG-IOM-2013-0815
SECTION 4
4-8
6. Loosen the Allen screws on the motor end of the motor
to valve coupling.
7. Unbolt the motor from the mounting bracket and
remove the motor.
8. Turn the valve so it is in the closed position and can
rotate clockwise to open.
9. Mark the coupling or valve shaft if needed so the
position of the valve can be determined when the
servomotor is installed.
10. Bolt the new servo motor on to the mounting bracket
with the motor shaft inserted into the coupling.
11. Rotate the valve shaft/coupling assembly closed as
stated above.
12. While holding the valve closed, tighten the Allen screws
on the coupling.
13. Install the wired green wiring plugs and the conduit
termination point on the new motor. Connect the
black grounding wire from the motor to the conduit
termination point.
14. Verify the jumper on the motor is located on the same
pins as the motor that was replaced.
15. Turn power to the boiler on.
16. For Siemens LMV51 :
» The screen will display “system test”. The fault
“Fault Feedback Air Actuator” will be displayed.
DO NOT RESET THIS FAULT YET. Press Escape
twice to clear the fault from the screen.
» Press Escape to get to the main menu. Under
Params&Display > Actuators > Addressing,
select either the gas actuator or air actuator
depending upon which was replaced. The
control will run an actuator check then display
“Start Address Assignment with ENTER”. Press
Enter. The display will then have you press the
addressing button on the actuator. This is the
red button on the actuator. The screen will
then display ‘Actuator Address Assignment
Successful’.
» Press Escape until the main menu is reached.
Under OperationalStat > Status/Reset, reset the
fault.
17. The boiler emissions may not be correct after changing
the servomotor. Verify the emissions throughout
the range of modulation. If emissions are off , the
servomotor can be adjusted by following the procedure
in the Commissioning the Boiler section of this manual.
18. Attach cover to the servomotor.
Ignition Pilot Adjustment - Dual Fuel
Burners
 For Units With Riello RLS-100-130E Burner
Ensure pilot and electrode are positioned and adjusted as
shown in Figures 16 and 17.
 For Units With Riello RLS-160E Burner
Ensure pilot and electrode are positioned and adjusted as
show in Figures 18, 19, and 20.
After All Repairs and Maintenance
1. Follow “Pre-Start Check List” provided with the unit, and
all Safety Checks.
2. Fire the Boiler and perform combustion check.
3. Make any necessary adjustments.
Troubleshooting
Use the tables on the following pages as a guide to
troubleshooting your boiler.