Installation to Concrete Ceilings
WARNING
•Concrete must be 2000 psi density minimum. Lighter density concrete may not hold concrete anchor.
•Make sure that the supporting surface will safely support the combined load of the equipment and all attached hardware and components.
Place projector mount assembly (A) on ceiling
3 as a template and mark the center of the two mounting holes. Drill two 5/16" (8 mm) dia. holes to a minimum depth of 2.5" (64 mm). Attach projector mount assembly (A) using two concrete anchors (D), two fl at washers (F), and two #14 x 2.5" wood screws (C) as shown.
Note: Mounting slots on projector mount assembly allow for 30° (±15°) of rotation before fully securing wood screw.
Tighten wood screws (C) using 3/8" (10 mm) socket wrench or phillips screwdriver until projector mount assembly (A) is fi rmly attached.
Skip to step 5.
WARNING
•Tighten wood screws fi rmly, but do not overtighten. Overtightening can damage the screws, greatly reducing their holding power.
•Never tighten in excess of 80 in • lb (9 N.M.).
D
A
F 
C
FRONT OF MOUNT
WARNING
•Always attach concrete anchors directly to load- bearing concrete.
•Never attach concrete anchors to concrete covered with plaster, drywall, or other fi nishing material.
If mounting to concrete surfaces covered with a
fi nishing surface is unavoidable (not evaluated by UL), the fi nishing surface must be counterbored as shown below. Be sure concrete anchors do not pull away from concrete when tightening screws. If plaster/drywall is thicker than 5/8", custom fasteners must be supplied by installer (not evaluated by UL).
VIEW | INCORRECT | CORRECT | |
concrete | wall | concrete | |
| wall | plate |
|
| plate |
| |
CUTAWAY |
|
| |
drywall |
| drywall | |
| plaster/ |
| plaster/ |
|
|
| 6 of 12 |
1 | concrete |
surface |
D
Drill holes and insert anchors (D).
2 | A |
|
| C F | D |
Place plate (A) over anchors (D) and secure with screws (C).
3
Tighten all fasteners.
ISSUED:
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