Weil-McLain Water & Steam Boilers 380

Ensure boiler is sealed gas-tight to prevent flue gas leakage.

Handle ceramic fiber and fiberglass materials with care.

Remove boiler jacket side and top panels.

Start burner and observe all sealing points.

Chalk mark any areas not gas-tight

Use silicone sealant on section flueways.

Pre-Adjustment Notice and Warning

NOTICE: Clean all newly installed steam boilers to remove oil.

WARNING: Do not use petroleum-based cleaning or sealing compounds in boiler system.

Remove 1½” plug from skim tapping tapping “A” and provide 1½” skim piping to floor drain.

Raise waterline to midpoint of skim piping.

Fire burner to maintain temperature below steaming rate during skimming process.

Feed in water to maintain water level and cycle burner to prevent rise in steam pressure.

Lock open flue transition damper

Refer to burner manual for start-up and service

Let burner advance to high fire and heat boiler to design conditions

Combustion Test Equipment Adjustment

Adjust burner for 12% (± ¼%) CO₂ for No. 2 fuel oil, 0 smoke

Adjust burner for 9 – 10% CO₂ natural gas; CO in flue gas not to exceed 50 ppm (0.01%)

Damper and Draft Control Adjustment

Smell near the floor for the gas odorant or any unusual odor

Is there any unusual odor detected near the floor?

Is a qualified service technician present to light the propane burner?

Check for flame outages or pilot outages

Are flame outages or pilot outages common?