Weil-McLain 550-141-829/1201 manual Appendix, Burner adjustments for P and a boilers

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Appendix

Burner adjustments for “P” and “A” boilers:

Final burner adjustments must be made using combustion test

equipment to assure proper operation. Do not fire boiler without water or sections will overheat.

1.Refer to burner manual for start-up.

2.Allow boiler to heat to design condition.

3.Using combustion test equipment, adjust burner for:

a.CO2 between 11% and 12% and 0 smoke.

b.-0.01" to -0.02" W.C. draft in combustion chamber.

To connect SGO boilers to indirect-fired water heaters:

Install and wire per water heater manual provided with water heater.

If boiler already has a tankless heater installed:

•Remove tankless heater and install cover plate.

OR

•Leave tankless heater installed. Drain coil and remove piping. Do not plug holes in tankless heater front plate.

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Contents This Manual Includes Installation Start-Up Boiler Parts Hazard 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 locationLay a foundation, if needed Provide air for combustion and ventilationPerform hydrostatic pressure test Install Packaged BoilerPlace boiler Tankless heater, if usedFiberglass wool and ceramic fiber materials Install Non-Packaged BoilerNon-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 BoilerInstall Packaged and Non-Packaged Boiler General chimney requirements Connect BreechingConnect Breeching Install piping Connect Steam PipingGeneral piping information Connect Steam Piping Connect Steam Piping Condensate Receiver Capacity Table Optional reservoir pipingTo pipe tankless heater Connect Tankless Heater PipingBurner wiring Connect WiringGeneral wiring requirements Thermostat wiringConnect 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 To place in operation Start-UpFill the system Tips for steam systemsCheck off steps as completed Check-Out ProcedureBurner adjustments for P and a boilers AppendixTo connect SGO boilers to indirect-fired water heaters Parts List Parts Drawing Dimensions DimensionsDimensions