Fulton Caliber (CAL) Condensing Hydronic Boiler - Manual (Page 48)

© The Fulton Companies 2014
MAINTENANCE
CAL-IOM-2014-0129
SECTION 4
4-4
!
WARNING
Follow proper lockout / tag out
procedures for the electrical, gas and
water connections. Use caution when
lifting heavy parts.
Never use open fl ame or other sources
of ignition to check for gas leaks.
4
CAUTION
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.
All maintenance procedures should
be completed by trained personnel.
Appropriate training and instructions
are available from the Fulton Service
Department at (315) 298-5121 or your
local Fulton Representative.
In order to meet warranty conditions,
ensure all appropriate maintenance
activities are performed.
6. Perform combustion analysis per factory Test Fire Sheet. Make adjustments
as necessary.
 Examine the Venting System
1. Check all joints and pipe connections for tightness and proper seal.
2. Check vent for corrosion or deterioration. If any venting needs replacing,
do so immediately.
3. Perform any recommended maintenance as required by the vent material
manufacturer.
4. Check to ensure loop traps are fl ooded.
Procedure for Removing/Cleaning The Burner
Perform the following to remove/clean the burner:
1. Remove front and side panels from the boiler outer jacket.
2. Disconnect both wire plug connectors to the pre-mix blower.
3. Disconnect the fl ame rod, ignition wire and ground wire block.
4. Disconnect air sensing tubing from Venturi mixing unit; carefully swing the
tubing away.
5. Disconnect air switch sensing tubing between switch and Venturi mixing
unit inlet.
6. Disconnect the four bolts between the Venturi mixing unit fl ange and
the gas train fl ange. Verify the gas train is properly supported prior
to removing the above-mentioned four bolts; also verify supply gas is
isolated. Inspect gasket located between these two fl anges for signs of
deterioration.
7. Undo four nuts holding pre-mix blower to the burner/blower mounting
plate. Use care, as the pre-mix blower/Venturi-mixing unit is heavy.
Inspect gasket for signs of deterioration.
8. Remove the nuts securing the burner door to the heat exchanger.
9. Remove burner. Use caution to prevent scraping the burner on the heat
exchanger. Inspect gasket for signs of deterioration.
10. Inspect burner and wipe off (do not scrub or use wire brush) any soot or
foreign material that may have accumulated. If available, use compressed
air to clear the burner. Wipe out the inside of the burner with a clean cloth.
11. Check the horizontal gap between the point of ignition and the exterior of
the mesh burner. The required gap is 5/16-3/8-inch (8-10 mm).
12. Use a soft, clean cloth to remove accumulated contaminants from the sight
glass.