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water boiler
Annual service and start-up
Clean boiler flueways and check
refractory linings
1. Remove jacket front panel and burner cover.
. Shut off oil valves. Arrange drip pans under the areas
of oil piping that will be disconnected.
. Disconnect the oil line at the burner. Provide means
to prevent oil from dripping.
4. Disconnect burner 10-volt and EnviraCOM® har-
nesses at the jacket crosstie (located beneath the
burner door).
. Swing the burner door open completely. See Fig-
ure 17.
6. Line the combustion chamber floor with newspaper
to catch any soot that will be loosened in the cleaning
process.
7. Model UO-, 1.0-GPH firing rate only — Remove
the two flue baffles.
8. Starting at the top of the boiler, use a wire flue brush
to thoroughly clean all fins.
9. Once the flueways are cleaned, carefully remove the
paper from the floor of the combustion chamber.
10. Verify burner door sealing rope is intact.
11. Visually check condition and position of the refrac-
tories in the burner mounting door. Replace any
parts as necessary.
1. Model UO-, 1.0-GPH firing rate only — Replace
the two flue baffles.
1. Close burner mounting door. Insert and tighten
burner door bolts securely.
8
— Boiler Manual
Make sure all electrical connections to
boiler are turned off and wait until boiler
is warm, not hot, before cleaning. Failure
to do so will result in severe personal
injury, death or substantial property dam-
age.
The boiler contains fiberglass and ceramic
fiber materials. Use care when handling
these materials, per instructions on page
of this manual. Failure to comply could
result in severe personal injury.
Failure to disconnect the burner wiring har-
nesses before opening the burner door can
cause damage to the burner and boiler wir-
ing.
Maintain a gas-tight seal to avoid possible
flue gas leakage and carbon monoxide
emissions, which can lead to severe per-
sonal injury or death.
(continued)
Figure 17 Access to boiler flueways
14. Check the breeching for sooting and clean if neces-
sary.
1. Replace the jacket front panel and breeching.
16. Reconnect the oil line and all electrical connec-
tions.
Perform boiler start-up
1. Follow instructions in this manual and the burner
manual to start-up and adjust burner and boiler.
. Verify operation of all controls, including all limit
devices and combustion controls.
Review with owner
Review the User's Information Manual with the owner
or boiler operator.
Record the service call
Record the service call on the form on page 4.
Part number 550-141-986/1005
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