ASME CSD-1 pdf download

ASME CSD-1 pdf download Controls and Safety Devices for Automatically Fired Boilers
guarded: covered, shielded, fenced, enclosed, or other-wise protected by means of covers, casings, barriersrails, screens, mats, or platforms to prevent contact bypersons or objects.
high fire: the rate of a burner at or near design maximumfuel input.
ignifion sysfen, direcf: an automatic ignition system thatuses an electrically energized device to ignite fuel at amain burner.
input rafing: the fuel-burning capacity of a burner at sealevel in Btu/hr (W) as specified by the manufacturer.insfalling confracfor: an organization that installs a boilercombustion controls, burners, and protective equipmentin the field.
labeled; equipment or materials to whichhas beenattached a label of anationally recognized testing agencythat maintains periodic inspection of production oflabeled equipment or materials, Labeling indicates com-pliance with nationally recognized standards
liquefied-pefroleum gas: fuel gases, including commercialpropane, predominantly propane or propylene or com-mercial butane, predominantly butane, isobutane, and/or butylene.
listed: equipment or materials included in a list published by a nationally recognized testing agency thatmaintains periodic inspection of production of listedequipment or materials. Listing indicates compliancewith nationally recognized standards
local: within physical sight and sound of the affectedequipment (see also lockout).
lockouf: a safety shutdown that requires a local, manualprocedure to restart the equipment (see also s/rutdownsafety).
low fire sfart; the lightoff ignition of a burner with thefuel controls in a low fire position. In a system withguaranteed low fire start, interlocks are used to preventstartup if the burner is not in the low fire position.
low-ater fuel cutof: a device that shuts off the fuel whenthe boiler water falls to an unsafe level.
LP-gas air mixfure: liquefied-petroleum gases distributedat relatively low pressures and normalatmospheric tem-peratures that have been diluted with air to produce adesired heating value and utilization characteristic.
main burner flante-establishing period: the interval of timethe main burner fuel safety shutoff valves are permitted to be open before the primary safety control is requiredto prove the presence of the main burner flame.
main manifold gas pressure: the gas pressure measured ata location that is specified by the burner/boiler unitmanufacturer, that is taken downstream of the main gaspressure regulator.
manifold, &as: the conduit of an appliance that suppliesgas to the individual burners.
manial resef device: a component of a control that requiresresetting by hand to restart the burner after safeoperating conditions have been restored.
maxiniun fxed sfop linrif: on a temperature or pressurecontrol having an adjustable set point, the maximumfixed stop limit is the maximum setting to which thecontrol can be adjusted and still perform its intendedfunction (i.e.safety shutdown), but not be exceededdue to a mechanical or electrical stop device.
NEMA: National Electric Manufacturers Association.
NFPA: National Fire Protection Association.
oil: any commercial grade fuel oil as defined by ASTMD 396.
pilot: a small burner that is used to lightoff (ignite) themain burner.