48
Maintenance as outlined below can be performed by the
owner unless otherwise noted.
e acidic nature of ue gasses condensing on the aluminum
boiler sections will cause the formation of aluminum oxide.
is oxide formation is normal, is generally uniform through-
out the boiler sections, and represents a negligible mass of
aluminum that is consumed by oxidation during the life of
the boiler. If le unchecked, this buildup may eventually cause
blockage of the ue gas passages in the boiler sections, reduc-
ing eciency, and ultimately shutting down the boiler due to
lack of combustion air ow. Regular service and maintenance
by a qualied service agency must be performed to assure safe
trouble free operation and maximum eciency.
Annual service call by a qualied service agency, which
1.
includes:
Examine ue passages between boiler sections, burner, A.
and condensate lines, and clean if necessary following
the annual examination and cleaning instructions in para
graph “F” on the next page.
Visually inspect venting and air intake system for proper B.
function, deterioration or leakage. If the vent or air intake
show any signs of deterioration or leakage, repair or
replace them, immediately. Insure proper reassembly and
resealing of the vent and air intake system
Check for and remove any obstruction to the ow of C.
combustion air or venting of ue gases. Check the air
bae located inside 1½” x 2” exible coupling on the
mixer, clean it if necessary and make sure to put it back.
Refer to repair parts diagram of mixer and pressure
switch assembly for exact location.
Follow instructions for “PLACING BOILER IN OPERA-D.
TION”.
Follow instructions for” CHECK OUT PROCEDURE E.
AND ADJUSTMENTS”.
Visually inspect condensate drain line for proper opera-F.
tion and deterioration. Check for plugged condensate
drain line.
Check the silicone rubber seals between boiler sections. G.
Insure that there are no leaks. Use RTV silicone rubber
adhesive sealant (available in caulking gun tubes) rated
for at least 400° F to replace or repair seals in locations
where original seals have deteriorated.
Check all gasketed joints for leakage, and tighten bolts or H.
replace gaskets if necessary.
Remove jacket front and top panels and check for pip-I.
ing leaks around relief valve and other ttings. Repair, if
found. DO NOT use stop leak compounds.
Check that boiler area is free from combustible materials,
2.
gasoline, and other ammable vapors and liquids.
Circulator pump and blower motor furnished with boiler
3.
are permanently lubricated from factory and require no
further lubrication. Additional or non-factory supplied
pumps and/or motors should be lubricated according to
the pump and/or motor manufacturer’s instruction.
Check for and remove any obstruction to the ow of com-
1.
bustion air or venting of ue gases.
Check that boiler area is free from combustible materials,
2.
gasoline, and other ammable vapors and liquids.
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