Weil-McLain PFG-7 manual Beginning of each heating season, Daily during heating season

PFG Series 7 Gas-fired Water Boiler — Boiler Manual

Suggested Minimum Service Schedule for Qualified Service Technician Only

Beginning of each heating season:

1.Annual service call by a qualified service agency.

2.Check burners and flueways and clean if necessary. Reference “To clean boiler heating surfaces” and “To clean main burners,” page 18.

3.Visually inspect base insulation. Reference “To inspect base insulation,” page 17.

4.Follow procedure “To place in operation,” page 17.

5.Visually inspect main burner flames. Refer to “Check main burner flames,” page 17.

6.Check pilot burner flame. Refer to page 17.

7.Visually inspect venting system for blockage, deterioration or leakage. Reference “Inspect venting system,” page 18.

8.Check operation of low water cut-off, if used, and additional safety devices. Refer to manufacturer’s instruc- tions.

9.Check that boiler area is free from combustible materials, gasoline and other flammable vapors and liquids.

10.Check for and remove any obstruction to the flow of combustion or ventilation air to the boiler.

11.Follow instructions on circulator to oil, if oil lubricated. Over oiling will damage the circulator. Water lubricated circulators do not need oiling.

Daily during heating season:

1.Check that boiler area is free from combustible materials, gasoline and other flammable vapors and liquids.

2.Check for and remove any obstruction to the flow of combustion or ventilation air to the boiler.

Periodically during heating season:

1.Check relief valve. Reference manufacturer’s instructions on relief valve tag.

2.Test low water cut-off, if used. Blowdown if low water cut-off is float type. Reference manufacturer’s instruc- tions.

Monthly during heating season:

1. Check for leaks in the boiler and piping. If found, repair at once.

Leaks must be repaired at once. Failure to do so can cause boiler damage, resulting in substantial property damage.

Do not use petroleum-based sealing compounds in boiler system. Severe damage to boiler will result, causing substantial property damage.

2.Visually inspect main burner flames. Reference “Check Main Burner Flames.”

3.Check pilot burner flame. Refer to page 17.

4.Visually inspect venting system for blockage, deterioration or leakage. Reference “Inspect venting system,” page 18.

5.Check automatic air vent for leakage. If leaking, remove vent cap and push valve core in to wash off sediment that may have accumulated on the valve seat. Release valve, replace cap, and open one turn.

End of each heating season:

1. Follow “Annual shut-down procedure,” page 18.

16 Part Number 550-110-641/0605