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Weil-McLain 550-141-829/1201 manual Connect Wiring, Probe-TypeLow Water Cutoff

Models: 550-141-829/1201

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Connect Wiring

Probe-Type Low Water Cutoff

Pressure Control Wiring Harness

Tankless Heater Control Wiring

Burner Disconnect Plug

Burner Wiring Harness

Low Water Cutoff Wiring Harness not furnished on “A” Boilers

Boiler Wiring for Probe-Type LWCO

FIGURE 14

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Weil-McLain 550-141-829/1201 manual Connect Wiring, Probe-TypeLow Water Cutoff, Pressure Control Wiring Harness

Contents

SGO SERIES 3 OIL-FIREDNATURAL DRAFT STEAM BOILER Part No. 550-141-829/1201This Manual Includes Installation Start-Up Boiler PartsHazard Definitions Symbol DefinitionsWhen Calling or Writing About the Boiler Read This Page FirstTable of Contents Provide clearances around boiler see FIGURE Before Installing BoilerInstallations must comply with Before selecting boiler locationProvide air for combustion and ventilation Before Installing Boiler CONTINUEDGo to page 6 to install boiler Go to page 7 to install boilerPerform hydrostatic pressure test Install Packaged BoilerPlace boiler Tankless heater, if usedPrecautionary measures Install Packaged Boiler CONTINUEDInstall Non-PackagedBoiler Fiberglass wool and ceramic fiber materials1.Non-Packaged SGO-3through 6 - position on site Install Non-PackagedBoiler CONTINUEDPlace boiler Install Non-PackagedBoiler CONTINUED Install Packaged and Non-PackagedBoiler Install Packaged and Non-PackagedBoiler MINIMUM CHIMNEY SIZE TABLE Connect BreechingGeneral chimney requirements Connect breechingTop Outlet Breeching Connection FIGURE Connect BreechingCONTINUED Back Outlet Breeching Connection FIGURESTEAM PIPING SIZE TABLE Install pipingConnect Steam Piping General piping informationConnect Steam Piping CONTINUED Connect Steam Piping CONTINUED Connect Steam Piping CONTINUED Optional reservoir pipingTANKLESS HEATER RATINGS TABLE Connect Tankless Heater PipingTo pipe tankless heater Hot Water Can ScaldBurner wiring Connect WiringGeneral wiring requirements Thermostat wiringCONTINUED Connect WiringBurner Disconnect Plug Burner Wiring Harness Connect WiringPressure Control Wiring Harness Tankless Heater Control WiringCONTINUED Connect WiringBurner Disconnect Plug Burner Wiring Harness Connect WiringPressure Control Wiring Harness Tankless Heater Control WiringOil piping connection at burner Connect Oil PipingGeneral oil piping requirements To place in operation Start-UpFill the system Tips for steam systemsInstallation instructions have been followed Check-OutProcedureCheck off steps as completed Installation and Service CertificateAppendix Burner adjustments for “P” and “A” boilersParts List Parts Drawing DIMENSIONS - mm DimensionsDIMENSIONS - in CONTINUED Dimensions