Fulton VMP Hot Water (VMPW) - Manual (Page 44)

© The Fulton Companies 2012
MAINTENANCE
VMPW-IOM-2012-1001
SECTION 4
4-14
Troubleshooting Oil Fired Boilers
Problem Cause Remedy
Poor Combustion
Refractories
Check refractories to see if they are sooted,
cracked or broken in places. Clean or replace as
needed.
S.S. Ring
Check to be sure ring is present and fi ts tight
against the furnace wall.
Oil Nozzle Check for clogged nozzle; clean or replace.
Primary air adjustment
Check air adjustment. Air may be blowing fi re
away from fl ame sensor.
Secondary Air Adjustment
Check main air adjustment to see if it is loose.
Adjust as needed and tighten plate in position.
Check CO2 and O2 levels.
Oil Pump
Check for clogged strainer or fi lter. Remove and
clean. Check for slipping or broken coupling.
Tighten or replace. Check for frozen pump shaft.
Replace.
Draft
Check draft with a gauge. Draft should be -0.02 to
-0.04 inches of water column with burner off , or
-0.04 to -0.06 when operating. May need to install
barometric damper.
Dirty Flue
Check fl ue for carbon buildup or blockage by
using a stack thermometer placed within one
foot of the stack leaving the boiler area. If stack
temperature is in excess of 600 F while the boiler
is operating, the fl ues are dirty. Clean as necessary.
Burner Back Fires
Refractories
Check refractories to see if they are sooted or
broken in places. Clean or replace as needed.
Ignition Electrodes
Check electrodes for carbon buildup and clean as
necessary. Check for proper adjustment; readjust
if necessary. Check for cracks in porcelain; replace
if cracked.
Primary Air Adjustment
Check air adjustment. Air may be blowing fi re
away from fl ame sensor.
Oil Valve Check for leaky oil valve and replace.
Draft
Check draft with a gauge. Draft should be -0.02 to
-0.04 inches of water column with burner off , or
-0.04 to -0.06 when operating. May need to install
barometric damper.
Loss of Prime
Check all lines for possible air leak in intake line
and tighten. Check for possible restricted intake
line. Replace.