Tjernlund SS1 SideShot with UC1 Universal Control (Version X.02) 8504102 Rev 07/02 User Manual
Page 7

PLENUM AND VENT HOOD CLEARANCE FROM COMBUSTIBLES
With an inlet flue gas temperature of 650oF or below, the SideShot has been Listed for the following clearances from combustible
materials:
VENT HOOD TERMINATION CLEARANCES
The SideShot has been ETL Listed according to the requirements of the National Fire Protection Association #31, #54 and #211
as follows, (See Diagram A).
• The exit terminals of mechanical draft systems shall not be less than 7 feet above grade when located adjacent to public walk
ways.
• 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 SideShot is also Listed to terminate a minimum of 12” below, above or horizontally from a soffit, deck or adjacent sidewall.
If possible, do not terminate the SS1 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 heating equipment operation.
6
DIAGRAM A
IMPORTANT
Vent Hood and top of Plenum: Zero Clearance
Plenum front and sides: 1/2 inch
Plenum rear: 3 inches