2 Part Number 550-110-772/0816
OSB
Series 2 Oil-Fired Steam Boilers – Boiler Manual
1 Prepare boiler location
Installations must follow these codes:
• Local,state,provincial,andnationalcodes,laws,regulations
and ordinances.
• NFPA-31;atestedition,InstallationofOil-BurningEquipment.
• StandardforControlsandSafetyDevicesforAutomatically
FiredBoilers,ANSI/ASMECSD-1,whenrequired.
• NationalElectricalCode.
Certification
Codes & checklist
The OSB boiler burner and controls met safe
lighting and other performance criteria when
boilerunderwenttestsspeciedinCSAB140.0
and B140.7.1.
Before locating the boiler:
❏ Check for nearby connection to:
• Makeupwaterandsteampiping
• Ventingconnections(page6)
• Combustionandventilationairprovisions(page4)
• Oilsupplypiping(page14andburnermanual)
• Electricalpower
❏ Check area around boiler. Remove any combustible materi-
als, gasoline and other flammable liquids.
Failure to keep boiler area clear and free of
combustible materials, gasoline and other
flammable liquids and vapors can result in severe
personal injury, death or substantial property
damage.
❏ Boiler must be installed so that burner and control system
components are protected from dripping or spraying water
or rain during operation or service.
❏ Ifnewboilerwillreplaceexistingboiler,checkforandcorrect
systemproblems,suchassystemleakscausingoxygen
corrosion or section cracks from hard water deposits.
Read this first!
Failure to adhere to the guidelines below can result in
severe personal injury, death or substantial property
damage.
When servicing boiler —
1. To avoid electric shock, disconnect electrical supply before
performing maintenance.
2. To avoid severe burns, allow boiler to cool before performing
maintenance.
Boiler operation —
3. Do not block flow of combustion or ventilation air to boiler.
4. Should overheating occur, turn off or disconnect electrical sup-
ply to boiler and shutofftheoilsupplyatalocationexternal
to the appliance, if possible.
5. Donotusethisboilerifanyparthasbeenunderwater.Im-
mediately call a qualified service technician to inspect the
boiler and to replace any part of the control system and any
burner control that has been under water.
Boiler water —
6. DONOTusepetroleum-basedcleaningorsealingcompounds
in boiler system. Water seal deterioration will occur, causing
leakage between boiler sections, circulator flanges, diaphragm
tanks or other system components. This can result in
substantial property damage.
7. DONOTuse“homemadecures”or“boilerpatentmedicines”.
Serious damage to boiler, personnel and/or property may
result.
8. Continualfreshmakeupwaterwillreduceboilerlife.Mineral
buildup in sections reduces heat transfer, overheats cast iron,
andcausessectionfailure.Additionofoxygenandothergases
cancauseinternalcorrosion.Leaksinboilerorpipingmust
be repaired at once to prevent makeup water.
9. Do not add cold water to hot boiler. Thermal shock can cause
sections to crack.
Saltwater Damage — Theexposureofboilercomponentsto
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
outofcriticallubricants,etc.), the saltandothercontaminants
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-McLainequipmentcontaminatedwithsaltwater
or polluted water will no longer be covered under warranty and
should be replaced.
Electrical Damage —Ifanyelectrical component or wiring
came into contact with water, or was suspected to have come
intocontactwithwater,replacetheboilerwithanewWeil-McLain
boiler.
Frozen Water Damage Hazard
Residences or buildings that are unattended in severely cold
weather, boiler system components failures, power outages, or
otherelectricalsystemfailurescouldresultinfrozenplumbing
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 con-
tractor or a home security agency.
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