Weil-McLain Boiler Installation & Maintenance Guide | Hartford Loop Steam Boiler Piping Diagram

• Installation • Start-Up • Maintenance • Parts

8 Connect steam boiler piping (continued)

Figure 15 Model 380 through 580 steam boiler piping — NOTE minimum 24 inches between boiler water line and bottom of header.

Figure 16 Model 680 through 980 steam boiler piping — NOTE minimum 24 inches between boiler water line and bottom of header.

Part No. 550-141-935/0602

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Image 17

Weil-McLain 80 manual Connect steam boiler piping

Contents

Boiler Manual Contents Installation must comply with Before installing boilerBefore selecting boiler location Lay a foundation, if needed Provide combustion and ventilation air openings Using crane attach free end of cables to eye of crane For block assemblySet boiler in place For packaged boiler Assemble block Install back refractory blanketPrepare back section Place a block under pipe to hold section upright Prepare remaining sections Install intermediate sectionsIf using tankless heater TI sections Prepare boiler and test Perform hydrostatic pressure test Install cleanout plates Complete block assemblyInstall burner mounting plate on front section Flue collector assembly Install flue collectorInstall collector hold-down bolts Prepare flue collector hood assembly Install flue collector After installing flue collector, ALL Boilers Before installing flue collectorRear flue boilers only Top flue boilers only Install flue collector General water piping information Install pipingConnect water boiler piping Size secondary boiler pump GPM based on following formulas Piping for multiple boilers see Figure General steam piping information Connect steam boiler piping Connect steam boiler piping Condensate piping to boiler Condensate receiver capacity Multiple Steam Boiler Piping Gravity Condensate Return Before installing jacket Install jacketInstall support brackets and rails Install jacket front and rear panels Install jacket Install jacket trim Install jacket side panelsInstall jacket top panels Jacket side panel placement Models 380, 480, 580 Jacket side panel placement Models 780, 880 Jacket side panel placement Models 1080, 1180, Jacket top panel placement Size piping no smaller than heater inlet and outlet Pipe tankless heatersTo pipe tankless heaters Install controls Install water boiler controls Install controls where shown in and Figure Install steam boiler controls Water level control locations see Table Select type of venting system Connect breeching and venting systemsGeneral venting information Construct metal breeching Make final adjustments Install burnerWiring and fuel piping Check boiler for gas-tight seal Freeze protection when used Dimensions and ratings Dimensions and ratings Parts Parts Eye Irrigate immediately Breathing Fresh air Handling ceramic fiber and fiberglass materials Propane boilers propane gas odorant All Residential & Commercial Cast Iron Boilers