User manual FIELD CONTROLS 46091800

[. . . ] The exit terminals of mechanical draft systems shall be not less than 7 feet above grade when located adjacent to public walkways. A venting system shall terminate at least 3 feet above any forced air inlet located within 10 feet. [. . . ] The vent termination of a direct vent appliance with an input of 50, 000 BTU per hour or less shall be located at least 9 inches from any opening through which vent gases could enter a building, and such an appliance with an input over 50, 000 BTU per hour shall require a 12-inch vent termination clearance. The bottom of the vent terminal and any air intake shall be located at least 12 inches above grade. Power venter should be located as close as possible to the outside wall. Forced draft systems and all portions of induced draft systems under positive pressure during operation shall be designed and installed so as to prevent leakage of vent gases into building. The vent termination point shall not be installed closer than 3 feet from an inside corner of an L-shaped structure, or not less than 12 inches above grade. For proper ventilation and for reduction of combustion hazards, Class B type vent pipe is recommended for gas appliances and Class L type vent pipe for oil appliances. Install vent hood through opening from outside. Fasten the vent hood to the outside wall with appropriate type mounting screws. Fasten wall end plate to the inside wall with appropriate type mounting screws. Install a properly sized vent pipe section into inner pipe of the vent hood. Seal the connection and all other vent pipe joints on the pressure side of the Power Venter with a high temperature silicone adhesive sealant or equivalent. Fasten vent pipe connection with three sheet metal screws or with other appropriate type mounting screws. [. . . ] MAINTENANCE The vent system should be inspected regularly at 3-month intervals. Screened opening of vent hood should be free from foreign material and cleaned if necessary. [. . . ]