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

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.

27