SF 10C SUB • Installation
10
7.
Adjust the cable tension through all cable grippers so that the subwoofer appears level
to the critical eye and to ensure that its bottom brackets will be approximately 1 inch
(2.5 cm) from the top surface of suspended ceiling tile once that tile is installed.
NOTE:
The exact height of the subwoofer is not critical at this point. You will make
final adjustments after the grille is installed.
Threaded rod installation
Secure the subwoofer to the structural ceiling using threaded rods as follows:
NOTES:
•
Extron recommends 1/4-inch or 3/8-inch diameter threaded rods for installing this
product.
•
The threaded rod must be properly secured to the ceiling structure. For example,
properly fasten a unistrut to the ceiling structure and attach threaded rods using
nuts and fender washers.
1.
Fasten four threaded rods to the support structure.
Extron recommends fastening the rods to unistruts,
one over each corner of the subwoofer installation
location.
2.
Fasten a rod to each corner securing point of the
Insert threaded
rods through holes
on the ends of the
mounting bracket.
Attach washer and nut and secure.
subwoofer with nuts and fender washers
(see the figure at right).
3.
Adjust all the nuts that secure the subwoofer to the
ceiling so that the subwoofer appears level to the
critical eye and to ensure that its bottom brackets
will be approximately 1 inch (2.5 cm) from the top
surface of suspended ceiling tile once that tile is
installed.
NOTE:
The exact height of the subwoofer
above the ceiling is not critical at this point.
You will make final adjustments after the grille
is installed.
Installing Long Legs for Vertical Installation on a
Floor
ATTENTION:
•
The SF 10C SUB must have firebreaks installed in the wall, above and below it,
when it is protruding through a wall, to meet UL requirements.
•
Le SF 10C SUB doit disposer de systèmes coupe-feu installés au mur, au-dessus
et au-dessous de l’unité, lorsqu’elle est placée en saillie du mur, afin de satisfaire
les exigences de l’UL.
•
The subwoofer must be securely fastened to the stud or other stationary surface
when mounted in one of the vertical positions.
•
En position verticale, le caisson de basses doit être solidement fixé au montant ou
à une autre surface stationnaire.
