NEC NP600CM Manuale Utente

Pagina di 10
ISSUED: 08-05-08  SHEET #: 056-9008-1
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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
2
1
3
Drill holes and insert anchors
concrete
ceiling
F
F
2
A
G
G
G
Place mount over anchors and secure with screws
Tighten all fasteners
F
A
CONCRETE CEILING
E
G
FRONT OF
MOUNT
CUT
A
W
A
Y
 VIEW
INCORRECT
concrete
plaster/
dry wall
CORRECT
concrete
plaster/
dry wall
A
A
fig. 2.6