Tjernlund SS2 SideShot (Discontinued Version - Pre UC1 Universal Control) 8504063 Rev B 11/99 User Manual
Page 5
![background image](/manuals/640684/5/background.png)
VENT HOOD TERMINATION CLEARANCES FOR U.S. INSTALLATIONS
The SS2 has been ETL Listed according to the requirements of the National Fire Protection Association #31, and #211 as follows
below, (See Diagram A).
• The exit terminals of mechanical draft systems shall not be 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 venting system shall terminate at least 4 feet below, 4 feet horizontally from or 1 foot above any door, window or gravity air
inlet into any building.
• The bottom of the vent terminal shall be located at least 12 inches above grade.
• The exit terminal shall be so arranged that the flue gases are not directed so as to jeopardize people, overheat combustible
structures or enter buildings.
• Not to be less than 10 feet from an adjacent building.
The SS2 is also Listed to terminate a minimum of 12” below, above or horizontally from a soffit, deck or adjacent sidewall.
CAUTION: The owner of the SS2 must keep the area around the vent terminal free of snow, ice and debris.
It is not recommended for the SS2 to be terminated on a wall that faces the direction of the prevailing winds.
Backdrafts by severe winds can cause oil odors to remain in the structure and/or interrupt equipment operation.
4
DIAGRAM A