NEC NP-M260W Installation And Assembly Download Page 2

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of 

3

IMPORTANT PRE-ASSEMBLY
INFORMATION:

Ceiling Tray (

A

) is designed to fit above a

24" (610 mm) x 24" (610 mm) section of a
conventional suspended ceiling system. It
may also be mounted above 24" x 48"
conventional suspended ceiling. Ceiling
runners (see 

DETAIL 2, page 3

) should

have a “T” cross section and a minimum
height of 1.5" (38 mm).

For certain installations it may be best to
install ceiling anchors (

step 5

) before

installing the ceiling tray (

step 1

).

Place ceiling tray (

A

) in grid above 24" x 24" or 24" x 48" false ceiling

tile so that lip of ceiling tray (

A

) rests on ceiling runners as shown in

figure 1

. Place in desired position and tighten knurled knobs until

ceiling tray (

A

) is securely attached to ceiling runners.

Slide collar mount plate to desired position. Using hole in collar mount
plate, mark false ceiling tile where hole will be cut. Slide collar mount
plate out of the way. Cut out 2.25" hole in false ceiling tile. Slide collar
mount plate back into position and tighten all carriage bolts and
nylock nuts using a 7/16" wrench.

A

CEILING
RUNNER

COLLAR MOUNT
PLATE

KNURLED
KNOB

CARRIAGE
BOLT

NYLOCK NUT

figure 1

From the top down, thread flush mount tube (

J

)

down through retaining collar in adjustable
collar mount plate.

Skip to step 4.

J

For Flush Mounting Applications

From the bottom up, thread extension column
(not included) up through retaining collar in
adjustable collar mount plate. Align notch in
extension column with hole in collar and fasten
using M5 x 10 mm security screw (

K

) as shown

in 

detail 1

.

For Extension Column Applications

A

A

TOP VIEW - CEILING TRAY

Black rectangles show correct
positions for Turnbuckles.

Snap escutcheon ring (

M

) around flush mount tube

or extension column and slide up until flush with
ceiling tile. Hook turnbuckles (

F

) into ceiling tray

(

A

) as shown in 

figure 2

. Hook turnbuckles

through ceiling tray (

A

) where indicated by black

rectangles in illustration below.

K

A

DETAIL 1

F

figure 2

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