NEC NP900CM Datasheet download pdf (Page 6)

ISSUED: 03-06-08 SHEET #: 055-9255-1

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Place projector mount assembly (A) on ceiling as a

template and mark the center of the two mounting

holes. Drill two 1/4" (6 mm) dia. holes to a minimum

depth of 2.5" (64 mm). Attach projector mount

assembly (A) using two concrete anchors (G), two

flat washers (E), and two #14 x 2.5" wood screws (F)

as shown in fig. 2.6 and 1, 2 and 3 (right). Tighten

wood screws (F) using 3/8" (10 mm) socket wrench,

phillips screwdriver or 10mm open end wrench until

projector mount assembly (A) is firmly attached.

NOTE: It is the responsibility of the installer to

verify that the ceiling will safely support the

combined load of all attached hardware and

components.

Skip to step 3.

• Concrete anchors are not intended for attachment to

concrete ceiling covered with a layer of plaster,

drywall, or other finishing material. If mounting to

concrete ceiling covered with plaster/drywall is un-

avoidable, plaster/drywall (up to 5/8" thick) must be

counterbored as shown below. If plaster/drywall is

thicker than 5/8", custom fasteners must be supplied

by installer.

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

Installation to Concrete Ceilings

Drill holes and insert anchors

concrete

ceiling

Place mount over anchors and secure with screws

Tighten all fasteners

CONCRETE CEILING

FRONT OF

MOUNT

CUTAWAY VIEW

INCORRECT

concrete

plaster/

dry wall

CORRECT

concrete

plaster/

dry wall

fig. 2.6

1 2 3 4 5 6 7 8 9 10

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NEC NP900CM Datasheet Page 6

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