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I. Steam Piping
a) The Boiler must have been hydrostatically tested.
b) Check the attached piping for joint tightness.
c) Continue monitoring as you proceed through
start up.
2. Gas Piping
a) Make sure the gas system piping and the
connections to the Boiler Gas Control Train(s)
have been leak tested.
b) After the boiler is in operation, check the
tightness of all joints in the boiler gas piping with
a soap suds solution.
c) Purge the gas piping of all air up to the boiler
Gas Control Train.
3. Oil Piping
a) Check the oil piping visually. Make sure all joints
are tight.
b) When the burner is firing, check the suction line
and return line pressures.
c) If the pressure exceeds the allowable pressure in
the Burner Manual or if the suction line vacuum
is higher than allowable, correct the piping as
needed to bring the suction line and return line
pressures within acceptable range.
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d) Excess pressure can cause pump seal failures.
Excess vacuum will cause fuel flow problems
with the burner oil pump.
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i. Fill the boiler to the normal water line.
a) Gravity Systems and Pumped Return with
Condensate Units - Fill to 461/2" above the boiler
foundation (center of gauge glass).
b) Pumped Return with Boiler Feed Unit - Fill the
boiler using the boiler feed unit. Fill level will
depend on the control being used, but should be
461/2" above the boiler foundation (just below
center of gauge glass) when the pump stops.
4.
5.
When a barometric draft regulator is installed in the
venting system, adjust the boiler damper for 0" wc
pressure reading at the damper. Adjust the draft
regulator for -005" wc draft between the boiler
damper and the draft regulator.
Adjust the burner as needed for a CO 2 reading of:
a) Oil burners: CO 2 approximately 12.5% or I%
less than the level at which the smoke reading
goes above a trace on the Bacharach scale.
b) Gas burners: 9% to 10% with CO less than 50 ppm.
Inspect al[ flue gas joints (sections, attachments,
breeching and vent) for gas tightness. Remove the
jacket panels in order to thoroughly inspect all rope
seal joints between the sections.
On installations with high draft, do not leave the
boiler with a negative draft reading at the rear flue
box or draft damper. High negative draft can pull the
flame up into the boiler crown sheet and overheat the
iron.This can result in cracked sections or shortened
boiler life.
1.
2.
3.
4
5.
Limit and Operating Pressure Controls
a) Lower the setting of each control until the burner
shuts down.
Low Water Cutoffs
a) Test probe type controls by using the Push4o-Test
Button.
b) Test float type conb'ols.
Follow additional instructions in the Burner Manual
for proving the burner component operation.
Check all controls to make sure they function
correctly.
After all controls have been proven, set the
Operating and High Limit Temperature Controls to
the pressures desired.
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i. l_fore firing the burner, slide the Slide Gate Damper
on the rear flue box all the way down (full open) on
LC's or open the LCE Draft Damper until the handle
is parallel to the vent pipe (full open).
2. Follow the instructions in the Burner Manual for
starting the burner, adjusting air openings and fuel
rates. Perform ignition system and flame supervisory
control test and checkout as described in the manual.
3. After burner is set at rate, close the damper until the
pressure reading at the test opening in the rear flue box
or draft damper is between 0" wc and 0.1" wc positive.
See Table 15 for typical overfire pressure (measured at
the burner front plate) and boiler draft loss.
I. Clean the boiler as described below no later than
one week after the initial start-up. Cleaning will be
more effective ifthe boiler operates a day or two to
loosen sediment and impurities in the system.
Cleaning the boiler requires the use of very hot water
and corrosive chemicals. Use care when handling to
prevent injury.
39
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