Operating instructions

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Theseboilers must stand on a noncombustible floor.If installed on
a combustiblefloor,pleaserefer to the Repair Parts manual forthe
appropriate Combustible Floor Basepart number.
TheseGas-Fired Hot Water Boilersare lowpressure, sectionalcast
iron boilers Design Certified by CSA (Canadian Standards Associa-
tion) for usewith Natural and Propane Gases. They are constructed
and hydrostaticallytested for a maximum working pressure of 50psi
(pounds per square inch) in accordance with A.S.M.E.(American
Societyof Mechanical Engineers) Boilerand PressureVesselCode
Section IV Standards for cast iron heating boilers.
Boilers For UseAt High Altitude
Thisboiler is factory equipped for use at altitudesof 0-2,000feet
abovesealevel.For useat altitudes above2,000feet abovesea level,
the input ratings are reducedby achange in main burner orifice size.
U.S.A.Only - For altitudes above2,000feet abovesea level,input
ratings should be reduced at the rate of 4% for each 1,000feet above
sealevel.Consult the National Fuel Gas Code (NFPA54/ANSI
Z223.l-latest revision), or the manufacturer for correct orifice siz-
inginformation. High altitude orificesare availablefrom the boiler
manufacturer.
Canada Only - For altitudes in the range of 2,000-4,500feetabove
sealevel,boilers may be field equipped foruse at high altitudeby
usinga certified fieldconversion kit. The change in main burner
orifice size results in the boiler'sinput rating being reduced by 10%.
Theconversionshall be carried out by a manufacturer's authorized
representative,in accordancewith the requirements of the manufac-
turer, provincial or territorial authorities having jurisdiction and in
accordancewith the requirements of the CSA-B149.1and CSA-
B149.2Installation Codes. Thecertifiedfield conversionkit includes
a conversion data plate,which must be attached to the boiler adja-
centto the rating plate, indicating that the boiler has been converted
for high altitude use.The conversiondata plate must be filledin with
the correct conversioninformation.
Checkto be sure you havethe right sizeboiler before starting the
installation. Seerating and capacitytable on previous page.Also be
sure the new boiler is for the type of gas you are using. Checkthe
rating plate on the right side of the boiler.
Verifythat the boiler is suppliedwith the correct type of gas,fresh air
for combustion, and a suitable electricalsupply.Also,the boiler must
be connected to a suitablechimney or horizontal venting systemand
an adequate piping system. Finally,a thermostat, properly located,is
needed for control of the heating system.Ifyou have anydoubts as
to the various requirements, check with localauthorities and obtain
professionalhelp where needed. Takethe time to completeallof the
stepsfor SAFEand PROPERoperation ofthe heating system.
Ifthis boiler isinstalled in a building under construction, special
caremust be taken to insure a clean combustion air supplydur-
ing the construction process. Airborne particulates such as from
drywalldust and from fiberglassinsulation can clogthe burner ports
and cause incomplete combustion and sooting. Where required by
the authority having jurisdiction, the installation must conform to
American Societyof MechanicalEngineers SafetyCode for Controls
and SafetyDevicesfor AutomaticallyFired Boilers,No.CSD-1.
Theinstallation must conform to the requirements of the authority
havingjurisdiction or,in the absenceof such requirements, to the
National Fuel GasCode, ANSIZ223.l-latest revision.
In Canada, the boiler shallbe installed accordingto CSA-B149.1and
.2,Installation Code for GasBurning Appliancesand Equipment.
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Keep boiler area clean and free from combustible materi-
als, gasoline and other flammable vapors and liquids