Bose FreeSpace 32 Panduan Pemasang - Halaman 7

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3.0 Before You Begin

For 625 mm tiles, extend the rails in opposite directions until each rail reaches the

ceiling grid on one side of the mounting pan.

Ceiling tiles made of particle board, plywood, gypsum board, or plaster usually do

Figure 2

10 – 15

not require support rails. However the support rails may be needed if moisture or

other environmental conditions may weaken the ceiling.

Structural ceilings – The support rails and spacers must be removed from the

ceiling pans before using the structural ceiling installation method.

Rotation feature

FreeSpace

Model 8 and Model 32 loudspeakers can be rotated on their springs

to conveniently access the terminals after installation. The ceiling pan and springs

hold the speaker in place while the tap settings are changed or electrical connec-

tions are completed (see Figures 21 and 22 on page 15). Be careful not to damage

the mounting hole when turning or releasing the loudspeaker.

Do not use the rotation feature if the loudspeakers are installed in a very thick

ceiling. In general, the rotation feature works with FreeSpace Model 8 loudspeak-

ers installed in ceilings up to 2" thick, and with FreeSpace Model 32 loudspeakers

installed in ceilings up to 1" thick. To be certain, install one loudspeaker and

attempt rotation as described in Section 4.3, "Electrical connections."

3.2

Clearance

Allow enough clearance for both the depth of the loudspeaker and the wire from

the electrical fitting. To decrease this distance, use an angled electrical fitting with

flexible metallic conduit or flexible metallic tubing.

AM177915_03_V.pdf • May 6, 2002