NEC NP-M332XS MP300CM Installation Manual - Page 6

Installation to Concrete Ceilings

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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. 3 Place projector mount assembly (A) on ceiling as a template and mark the center of the two mounting holes. Drill two 5/16" (8mm) dia. holes to a minimum depth of 2-1/2" (64mm). Attach projector mount assembly (A) using two concrete anchors (G), two flat washers (E), and two #14 x 2-1/2" wood screws (F) as shown in figure 3.1. NOTE: Mounting slots on projector mount assembly allow for 30° (±15°) of swivel adjustment before fully securing wood screws. Tighten wood screws (F) using 3/8" (10mm) socket or open end wrench or phillips screwdriver until projector mount assembly (A) is firmly attached. WARNING 1 Drill holes and insert anchors (G). 2 A concrete surface G FE G Place plate (A) over anchors (G) and secure with screws (F). 3 • Tighten wood screws firmly, 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.). Tighten all fasteners. WARNING • Always attach concrete anchors directly to loadbearing concrete. • Never attach concrete anchors to concrete covered with plaster, drywall, or other finishing material. If mounting to concrete surfaces covered with a finishing surface is unavoidable (not evaluated by UL), the finishing 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). INCORRECT CORRECT concrete A concrete A G A plaster/ dry wall plaster/ dry wall F CUTAWAY VIEW Visit the Peerless Web Site at www.peerlessmounts.com 6 of 10 CONCRETE CEILING ARROW ON TOP OF PROJECTOR MOUNT ASSEMBLY INDICATES FRONT OF MOUNT E fig. 3.1 ISSUED: 10-01-10 SHEET #: 056-9034-4 07-29-11 For customer care call 1-800-865-2112

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ISSUED: 10-01-10
SHEET #: 056-9034-4
07-29-11
Visit the Peerless Web Site at www.peerlessmounts.com
6 of 10
For customer care call 1-800-865-2112
fig. 3.1
Installation to Concrete Ceilings
Place projector mount assembly (
A
) on ceiling
as a template and mark the center of the two
mounting holes. Drill two 5/16" (8mm) dia. holes
to a minimum depth of 2-1/2" (64mm). Attach
projector mount assembly (
A
) using two concrete
anchors (
G
), two flat washers (
E
), and two #14 x
2-1/2" wood screws (
F
) as shown in
figure 3.1
.
NOTE:
Mounting slots on projector mount
assembly allow for 30° (±15°) of swivel adjustment
before fully securing wood screws.
Tighten wood screws (
F
) using 3/8" (10mm) socket
or open end wrench or phillips screwdriver until
projector mount assembly (
A
) is firmly attached.
3
• 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.
WARNING
• Always attach concrete anchors directly to load-
bearing concrete.
• Never attach concrete anchors to concrete covered
with plaster, drywall, or other finishing material.
If mounting to concrete surfaces covered with a
finishing surface is unavoidable (not evaluated by
UL), the finishing 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).
WARNING
• Tighten wood screws firmly, 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.).
WARNING
CUTAWAY VIEW
A
CORRECT
plaster/
drywall
concrete
INCORRECT
plaster/
drywall
concrete
A
G
F
E
A
CONCRETE CEILING
ARROW ON TOP
OF PROJECTOR
MOUNT ASSEMBLY
INDICATES FRONT
OF MOUNT
1
3
G
Drill holes and insert anchors (
G
).
Place plate (
A
) over anchors (
G
) and secure with screws (
F
).
Tighten all fasteners.
2
G
A
FE
concrete
surface