Community C4 Посібник з монтажу та експлуатації - Сторінка 11
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This manual will serve to assist in wiring
and physically mounting Commercial Design
Series loudspeakers. The directions include
assistance to those installers using a com-
plete Community package of loudspeakers
and accessories, including the integral back
cans, grilles, tile rails and so forth. We include
instructions for use of optional Community
Commercial Design Series retro it adapters
so that Community Commercial Design Series
loudspeakers can be mounted in other manu-
facturer's cutouts. If accessory products from
a different manufacturer are used, please re-
fer to the installation manuals supplied with
those products.
Note: All electrical installation connections for loudspeaker lines are subject to all
applicable governmental building and ire codes. The selection of appropriate electri-
cal hardware to interface with the Commercial Design Series loudspeaker lies solely
with the installation professional. Community recommends that an appropriately
licensed engineer, electrician, or other quali ied professional identify and select the
appropriate conduit, ittings, wire, etc. for the installation.
Installation in back cans without conduit
The only tool required is a screwdriver, which
is provided in the loudspeaker package.
Commercial Design integral back cans include
a swivel-out terminal access cover that also
serves as a cable clamp when tightened in
place. The terminal block in the can's outer
recess has two (+) connections and two (-)
connections. If you are only connecting one
(dual conductor) cable, you can use either
(+) and (-) terminal, as illustrated on the next
page in Figure 8. If you're daisy-chaining
a cable to the next loudspeaker, you may
connect the next cable to the remaining (+)
and (-) terminals. There is no need to connect
jumpers or try to stuff two wires into one
terminal block port because each pair of
(+) and each pair of (-) terminals is directly
jumpered together on the input connector.
Community Commercial Design Series
Wiring
Power Determination
As detailed subsequently, there is no need
to specially select different wire terminals
for 8-ohms or for various 70-volt and 100-
volt power taps. Instead, a face-mounted
tap switch allows you to make this selection.
Once the loudspeaker is mounted correctly
in the ceiling, set the tap switch to the appro-
priate tap setting before any audio is passed
through the loudspeaker. Do not change
the setting on the tap switch while the loud-
speaker is in use.
Installation of conduit to the loudspeaker
Required tools:
• (1) Hammer and knockout punch tool
• (1) Step-bit for adjusting knockout
diameter (optional)
• Safety glasses, gloves and other personal
safety gear are recommended as this pro-
cess involves striking metal parts and chip-
ping away debris around the knockouts.
1. All Commercial Design Series loudspeaker
back cans have a dual-diameter knockout
strain relief itting on the top cover.
2. The knockout strain relief port is opened
with a hammer and punch using the same
techniques for removing knockouts in stan-
dard electrical boxes.
Installation and Operation Manual
Page 11