Extron FF 120T Manual de Usario

Extron Vocero FF 120T

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1
Product Category
IMPORTANT:
Refer to www.extron.com for the complete
user guide, installation instructions, and
specifications before connecting the
product to the power source.
FF 120T • Setup Guide
This setup guide contains installation information about the Extron FF 120T Flat Field® speaker. This speaker is designed for use
in plenum rated ceiling spaces and can be dropped into a standard 2 feet by 2 feet or 2 feet by 4 feet (with supplied cross bars)
false ceiling tile space on a T-bar grid.
WARNING: May result in serious injury. Installation and service must be performed by authorized personnel only.
Factors to Consider Before Installation
zAll wiring and electrical connections must conform to all applicable building codes and local ordinances.
zInstallation in a plenum-rated environment requires plenum rated cable or conduit.
Number of Wires
per Connection Point Maximum
Wire Gauge
1 12 GAW
2 14 GAW
1 14 GAW
2 16 GAW
Wire Gauge Table
8Ω
Configuration
70 V/100 V
Configuration
zIf using secondary support cables, the installer provides the cables.
Installation
1. Disconnect power — Power down all attached devices before proceeding.
2. Remove and cut ceiling tile — Remove the ceiling tile where the FF 120T will be installed. Cut out a 12-inch section from
either end of the tile where the speaker will be installed, as shown below.
48”
24”
12”
End Section
24” x 48” Ceiling Tile 24” x 24” Ceiling Tile
24”
24”
12”
Dr Lineaw
Cut Material
3. Install the T-rail — Install the T-rail crosspiece into the ceiling opening
up against the cut tile.
T-rail (1)
4. Transformer cover plate — Loosen, but do not remove, the two screws on the top of the
transformer cover plate, as shown at right. Next, slide and remove the transformer cover plate,
which is installed with the transformer side down.
Transformer
Cover Plate
Loosen, Do Not Remove
2
FF 120T • Setup Guide (Continued)
5. Using Flexible Conduit — When using exible conduit, insert the conduit into the cover plate opening using an appropriate
conduit adapter, and secure the conduit to the plate as shown below.
Flexible Conduit Adapter
Flexible Conduit
Transformer Cover Plate
Secondary Attachment
Point
Rear of Speaker
When using speaker wires without a conduit, secure the cable clamp
adapter (included) to the transformer cover plate and insert the wires
through the clamp. Tighten the screws as shown at right.
6. Distributed audio system (70 V or 100 V) or direct connection —
• if wiring a 100 V or 70 V distributed system and using the transformer, proceed to step 7.
• if bypassing the transformer and wiring directly from the amplier, proceed to step 9.
7. Connect cables from the amplier to the transformer on the FF 120T transformer cover plate.
Amplifier
70 V or 100 V Distribution System
(through the transformer)
FF 120T
Additional FF 120Ts
can be attached to
to the tap connector.
See step .7f
TransformerTransformer
FF 120T
Black (-)
To Additional
Speaker
Red (+)
Red (+)
Black (-)
From Amplifier
(70V/100V)
(Red) To Speaker
(+) Terminal
(Black) To Speaker
(-) Terminal
NC
1 W
2 W4 W8 W16 WCOM
70 V
100 V
COM NC 16 W 8 W 4 W W 1 W
a. Pull the wires from the amplier through and out of the conduit, if a conduit is used.
b. Route the two wires from the amplier through the cover plate hole to the transformer side. See the wire gauge table on
page .1
c. Strip 3/16" (5 mm) from the wire ends and keep the wire end strands together by twisting them. Do not tin the wires.
Cable Clamp Adapter
Transformer Cover Plate
Secondary Attachment
Point
Rear of Speaker
3
Product Category
d. Secure the wires to the appropriate taps on the captive screw connectors
of the 7-connector terminal block (on the transformer side of the cover plate)
as indicated on the tap label (see the note below). The black
negative (-) wire attaches to the “COM” terminal, and the red
positive (+) wire attaches to the desired terminal tap
(see the diagram at right).
NOTE: Observe the 70 V or 100 V system designation
as indicated on the tap label.
NC1 W2 W4 W8 W16 WCOM
70 V100 V
COM NC 16 W 8 W 4 W 2 W 1 W
e. Use a small at blade screwdriver to tighten the terminal
block screws.
f. To wire additional speakers, route speaker wires
from the second speaker through the cover plate
hole to the transformer side. Twist the black negative (-)
wires together and the red positive (+) wires together before
inserting them into the terminal block. Additional speakers can be
daisy-chained this way, as shown at right.
8. Connect wires from the transformer to the speaker.
a. Keep the wire strands together by twisting them (do not tin the wires).
b. Connect the red positive (+) wire to the + speaker terminal and connect the black negative (-) wire to the - speaker
terminal as shown in step below.9b
c. Proceed to step .10
9. See the following block diagram.
a. Route the wires from the amplier to the speaker using the same procedure for routing speaker wire (and conduit if
applicable) through the transformer cover plate as described in steps through (see the wire gauge table on page 4 7b
1). Strip 3/16 inch (5 mm) from the ends of the two speaker wire leads (+ and -) coming from the amplier. Keep the wire
strands together by twisting them (do not tin the wires), and secure the wires to the input terminals of the speaker while
observing the correct polarity.
Direct Connection
(bypassing the transformer)
Amplifier
Transformer
FF 120T
b. Connect the red positive (+) wire to the + speaker terminal and connect the black negative (-) wire to the - speaker
terminal, depending on whether one or two speakers are being connected, as shown below.
Red Wire
Bla ireck W
From Amplifier
One Speaker
From Amplifier
Red Wire
Black Wire
To Second Spea rke
From Amplifier
To Second Spea rke
Two Speakers
10. Replace the transformer cover plate and tighten the two cover plate screws that were loosened in step .4
NC
1 W
2 W4 W16 WCOM
70 V
100 V
COM NC 16 W 8 W 4 W 2 W 1 W
8 W
Wiring to a Single Speaker
NC
1 W
2 W4 W16 WCOM
70 V
100 V
COM NC 16 W 8 W 4 W 2 W 1 W
8 W
Red Wires
Black Wires From Amplifier (+)
To Next Speaker (tap)
From Amplifier (-)
To Next Speaker (com)

Especificaciones del producto

Marca: Extron
Categoría: Vocero
Modelo: FF 120T

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