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Series 3
Please read before proceeding
Follow the guidelines below to prevent severe personal injury, death or substantial property damage.
Fuel
•
Do not use crankcase drainings or any oil containing
gasoline. See burner manual for proper fuel oil.
•
Never burn garbage or paper in the boiler. Never leave
combustible material around boiler.
Do not tamper with burner/controls
•
Always follow specific instructions when starting up
boiler or performing routine maintenance or service.
Follow the guidelines below to prevent possible severe personal injury, death or substantial property damage.
Read all instructions —
•
Read all instructions, including this manual, the burner
manual and any related supplements. Perform steps in
the order given. Failure to comply could result in severe
personal injury, death or substantial property damage.
When servicing boiler —
•
To avoid electric shock, disconnect electrical supply before
performing maintenance.
•
To avoid severe burns, allow boiler to cool before perform-
ing maintenance.
Boiler operation —
•
Do not block flow of combustion or ventilation air to
burner.
•
Should overheating occur or fuel supply fail to shut off, do
not turn off or disconnect electrical supply to circulator.
Instead, shut off the fuel supply at a location external to
the appliance.
•
Do not use this boiler if any part has been under water.
Electrical and mechanical failures may cause electric
shock and fire risks. Immediately inspect chimney or vent,
boiler, burner and controls. Clean the boiler flueways and
replace all electrical and mechanical controls; all electrical
wiring; oil burner and controls; insulation and chamber
lining.
Boiler firing rate —
•
Do not reduce the firing rate of the boiler. Use only the oil
nozzle size specified. Reduced input will cause condensa-
tion in the boiler and vent piping.
Ceramic fiber materials —
•
The boiler contains ceramic fiber materials. Use care when
handling these materials per instructions on page 26 of
this manual. Failure to comply could result in severe
personal injury.
Boiler water —
•
Thoroughly flush the system (without boiler connected)
to remove sediment. The boiler heat exchanger can be
damaged by build-up or corrosion due to sediment.
•
Do not use petroleum-based cleaning or sealing com-
Part number 550-143-013/0621
water boiler — Boiler Manual
Do not start burner if:
•
Do not attempt to start burner when excess oil has ac-
cumulated in combustion chamber, when unit is full of
vapor, or when combustion chamber is very hot.
•
Do not start burner unless breeching and burner mount-
ing door are secured in place.
pounds in boiler system. Gaskets and seals in the system
may be damaged. This can result in substantial property
damage.
•
Do not use "homemade cures" or "boiler patent medicines. "
Serious damage to boiler, personnel and/or property may
result.
•
Continual fresh make-up water will reduce boiler life. Min-
eral buildup in boiler sections reduces heat transfer, over-
heats the sections, and causes failure. Addition of oxygen
carried in by make-up water can cause internal corrosion.
Leaks in boiler or piping must be repaired at once to prevent
make-up water.
•
Do not add cold water to hot boiler. Thermal shock can
cause heat exchanger to crack.
Freeze protection fluids —
•
When using antifreeze — Do not use automotive, ethylene
glycol, undiluted or petroleum-based antifreeze. See the
WARNING on page 23 for more information.
— The exposure of boiler components
Saltwater Damage
to saltwater can have both immediate and long-term effects.
While the immediate effects of saltwater damage are similar
to those of freshwater (shorting out of electrical components,
washing out of critical lubricants, etc.), the salt and other
contaminants left behind can lead to longer term issues after
the water is gone due to the conductive and corrosive nature
of the salt residue. Therefore, Weil-McLain equipment con-
taminated with saltwater or polluted water will no longer be
covered under warranty and should be replaced.
Electrical Damage —
If any
ing
came into contact with water, or was suspected to have
come into contact with water, replace the boiler with a new
Weil-McLain boiler.
Frozen Water Damage Hazard
Residences or buildings that are unattended in severely cold
weather, boiler system components failures, power outages,
or other electrical system failures could result in frozen
plumbing and water damage in a matter of hours. For your
protection, take preventative actions such as having a security
system installed that operates during power outages, senses
low temperature, and initiates an effective action. Consult
with your boiler contractor or a home security agency.
or
electrical component
wir-
5
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