Arkansas HVACR NewsMagazine January 2024

HVACR NewsMagazine January 2024

Tech News

In order to prevent insects from clogging them, it is important to regularly inspect and clean the burners and other orifices. Once clean, ensure the system starts and operates properly.

the flame from traveling to the adjacent burners. In this case, be sure to replace to burner tubes.

Problem #7: Rusted or Clogged Burner Tubes Burner tubes can also become clogged or worn due to rust. In some cases the burners can become so rusted, that gas will not flow through the tubes or pass along the channel to the adjacent burner. Typically this problem is evident by one or more burners failing to fire.

Problem #8: The Burners Shut off After Igniting Several factors can cause the burners to shut off after igniting. These scenarios would involve a situation where all of the burners light and then the system shuts off. If any of the burners are not lighting, see the two previous problems. The most common cause for a system shutting off after igniting involves a failure in the flame proving process.

With the power off remove the burner tubes and inspect for any rust or obvious obstructions. If the burner tubes appear to be salvageable, use a wire brush to clean the tube faces and the channels of any debris. In some situations the burner tubes may be so rusted or deteriorated that they cannot be cleaned and reused. It is also possible for the channels to spread out or become so worn down that they prevent