Weil-McLain 550-141-829/1201 instruction

Connect Wiring

Float-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 Float-Type LWCO

FIGURE 13

21

Image 21

Weil-McLain 550-141-829/1201 manual Low Water Cutoff Wiring Harness not furnished on a Boilers

Contents

This Manual Includes Installation Start-Up Boiler Parts When Calling or Writing About the Boiler Symbol DefinitionsRead This Page First Hazard Definitions Table of Contents Installations must comply with Before Installing BoilerBefore selecting boiler location Provide clearances around boiler see Figure Lay a foundation, if needed Provide air for combustion and ventilation Place boiler Install Packaged BoilerTankless heater, if used Perform hydrostatic pressure test Fiberglass wool and ceramic fiber materials Install Non-Packaged Boiler Non-Packaged SGO-3 through 6 position on site Install Non-Packaged Boiler Install burner also refer to instructions packed with burner Install Packaged and Non-Packaged Boiler Install Packaged and Non-Packaged Boiler General chimney requirements Connect Breeching Connect Breeching Install piping Connect Steam PipingGeneral piping information Connect Steam Piping Connect Steam Piping Condensate Receiver Capacity Table Optional reservoir piping To pipe tankless heater Connect Tankless Heater Piping General wiring requirements Connect WiringThermostat wiring Burner wiring Connect Wiring Low Water Cutoff Wiring Harness not furnished on a Boilers Connect Wiring Boiler Wiring for Probe-Type Lwco Connect Oil Piping General oil piping requirementsOil piping connection at burner Fill the system Start-UpTips for steam systems To place in operation Check off steps as completed Check-Out Procedure Burner adjustments for P and a boilers AppendixTo connect SGO boilers to indirect-fired water heaters Parts List Parts Drawing Dimensions Dimensions Dimensions