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NORA Oilheat Technicians Manual

must become thoroughly familiar with the current version of the manufacturer’s installation instructions before you begin an installation. Installation procedures Be sure to follow the manufacturer’s installation instructions and all applicable codes and regulations during Figure 3-14: Cover work areas Figure 3-15: Above ground vent pipe/fill and vent cap the installation. This next section emphasizes some of the important steps in tank installation process. Work neat Protect the customer’s property and the components that you are installing. It is much easier to prevent a mess than to clean it up. Cover work areas with drop cloths or builder’s paper or other material, Figure 3-14. Piping connections It is imperative that all connections are made tight and leak proof. All threaded connections should be joined with a pipe compound that is non-teflon, oil resistant, and remains flexible. Be careful when applying pipe compound and make sure to wipe away excess compound so it does not get into the tank or oil lines. Fill and vent pipes The fill and vent pipes should be made of schedule 40 steel, be pitched toward the tank and terminate outside the building at a point at least two feet from any building opening, and five feet from any air inlet or 3-10 Oil Tanks and Piping flue gas outlet. All steel fittings should be malleable, not cast. The fill pipe should be clearly marked as a fuel oil fill. The vent cap should have a screen to prevent bugs from making a nest in the vent pipe, Figure 3-15. Vent alarms All above ground and indoor tanks should have a vent alarm installed, Figure 3-16. The vent alarm alerts the delivery person that the tank is filled to the proper level. Vent alarms are not Figure 3-16: always required Vent alarm for residential buried tanks because a special filling device (vent-a fils, bazooka, deep fill, etc.) that includes a vent alarm may be used. Chapter 3 Oil Tanks and Piping


NORA Oilheat Technicians Manual
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