Weil-McLain 78 manual

Models: 78

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Contents

Start-Up InstallationMaintenance Boiler ManualContents Installation must comply with 1a Before Installing BoilerInstallation MaintenanceBoiler Foundation Length Table 1b Before Installing BoilerProvide clearances for servicing around boiler Lay a foundation, if neededFor block assembly 2a Set Packaged Boiler or Block Assembly in PlaceInstallation MaintenanceInstall back refractory blanket 3a Assemble BlockPrepare back section Page Prepare remaining sections 3c Assemble BlockInstall burner mounting plate on front section If using TI sectionsPage Prepare flue collector hood assembly 3e Assemble BlockInstall flue collector hood assembly 3f Assemble Block• Installation MaintenancePage Install piping 5a Connect Water Boiler PipingInstallation MaintenancePage Install piping 6a Connect Steam Boiler PipingInstallation MaintenancePage Page Page Page Page Page Page Page To wire burner and boiler controls 12a Install Burner13a Wiring and Fuel Piping To install burnerAdjust burner and breeching damper 14a Make Final AdjustmentsInstallation MaintenanceSkim steam boilers 14b Make Final AdjustmentsCheck boiler for gas-tightseal Dimensions 15a Data and Dimensions• Installation MaintenanceIntermediate 15b Data and DimensionsFront SideM P D F 16a PartsInstallation MaintenanceFigure No 16b PartsDescription Start-Up 17a RatingsInstallation MaintenancePart No. 550-141-705/0600