Extron electronic CS 120P manuale d’uso

User Guide CS 26T and CS 120P Speakers CS 1226T SpeedMount Ceiling Speaker System 6 8-2161-01 Rev . A 08 13[...]

Safety Instructions • English WARNING: This symbol, , when used on the product, is intended to alert the user of the presence of uninsulated danger ous voltage within the product’ s enclosure that may pr esent a risk of electric shock. A TTENTION: This symbol, , when used on the product, is intended to alert the user of important operating and [...]

FCC Class A Notice This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part15 of the FCC rules. The ClassA limits provide r easonable protection against harmful interference when the equipment is operated in a commer cial environment. This equipment generates, uses, and can radiate radi[...]

Conventions Used in this Guide Notifications The following notifications are used in this guide: W ARNING: A warning indicates a situation that has the potential to result in death or severe injury . A TTENTION: Attention indicates a situation that may damage or destroy the pr oduct or associated equipment. NOTE: A note draws attention to important[...]

Contents Introduction ............................................................ 1 About this Guide ................................................. 1 Overview ............................................................ 1 Features ............................................................. 1 Application Example ...............................[...]

CS 26T and CS 120P User Guide • Contents vi[...]

Intr oduction This section gives an overview of the Extron CS 1226T SpeedMount Ceiling Speaker System, consisting of the CS 26T speakers and CS 120P enclosure. It also pr ovides a list of system features and an application diagram. T opics include: • About this Guide • Overview • Features • Application Example About this Guide T[...]

• Selectable taps — The rotary tap selector switch, located behind the grille, sets the speaker to operate in either 8-ohm direct or 70 volt /100 volt operation with 16, 8, 4, 2, and 1 watt taps. • Magnetic grille — Magnets spaced around the grille edge enable it to be easily attached and to remain firmly in place. Application Example[...]

Installation This section provides instructions for installing the CS 26T speakers and the CS 120P enclosure. T opics include: • Installation Considerations • Installation Configurations • Installing the CS 1226T — Single Installer • Installing the CS 120P in a Suspended Ceiling — Division of Labor • Installing the CS 2[...]

Installing the CS 1226T System — Single Installer If a single installer is installing the CS 1226T system, follow this procedur e for the entire system: NOTE: The ceiling grid must be installed before the installation of the CS 1226T begins. • V erify if fiberglass ceiling tiles ar e being used (see step 2 below and step11 on page 7 for [...]

e. Cut out the circle traced in the ceiling tile. f. Replace the tile in the ceiling. 4. R emove the adjacent ceiling tile — T o facilitate the installation process, r emove the tile adjacent to the ceiling tile where the CS 26T will be installed. If the CS 120P is being installed, skip to step 6. Otherwise, proceed to step 5. 5. If NOT using the[...]

8. Route the cables through the cover plate — NOTES: • The CS 120P is fully UL 2043 compliant only when it is used with a metal conduit or with plenum rated cables. • Installation of all conduits, conduit adapters, wiring, and electrical connections must conform to all applicable building codes and local ordinances. Using a flexible conduit: [...]

9. Wire the CS 120P — Route the wir es through the H-shaped opening in the CS 120P . Be sure to leave suf ficient slack. Figure 8. Route the Wires Thr ough the H-shaped Opening 10. Replace the terminal cover plate — Reinstall the terminal cover plate onto the CS 120P and tighten the two screws that wer e previously loosened. 11. If the CS 120P [...]

12. Place the CS 120P into the ceiling grid — Place the CS 120P over the tile grid so that the CS 120P is safely supported on the two short edges. Ensure that the hole in the tile is aligned with the hole in the CS 120P (see figure 10). Fig: Mounting the PRE NOTE: 2' x 2' (600 mm x 600 mm) grid mounting is the same as 2' x 4' [...]

16. Attach the speaker wires to the captive screw connector — A TTENTION: Do not tin the wires. Tinned wires do not r emain tight in the captive screws and can br eak easily after several bends. Number of Wires per Connection Point Maximum Wire Gauge 1 12 AWG 2 16 AWG 4 18 AWG Attach the speaker wires to the included four -pole captive screw conn[...]

• Wiring Multiple Speakers Using Loop-through: A loop-through electrical connection is made on the cr ossover board of the CS 26T . Connect the wires to the captive scr ew connectors of the speakers, as shown in figure 15. Be sur e to tighten the screws. Speaker 1 Speaker 2 Wiring Multiple Speakers Using Loop-through IN – LOOP – IN + LOOP [...]

• The impedance of the speakers downstream of the one being tested can be measured while the system is on by connecting to the outer (LOOP) terminals of the captive screw connector , as shown in figure 17. Impedance T est Points To next speaker(s) Red Wire (+) fr om Amplifier Black Wire (-) fr om Amplifier Amplifier Te st Points Figure 17. [...]

18. Attach the speaker wire to the strain relief tie down point using the pr ovided zip tie. Captive Sc re w Connector Strain Relief Ta b (zip tie) Figure 19. Attaching the Speaker Wir e to the Strain Relief Point 19. Mount the CS 26T (see figure 20). a. Insert the CS 26T through the bottom of the hole in the ceiling tile that was cut in step 3. b.[...]

20. Attach secondary support lines — If requir ed, attach all of the secondary support lines as shown in figure 21. A TTENTION: Do not allow any slack in the support cables. NOTE: If the CS 26T will be installed in the CS 120P , do not attach secondary support cables to the speakers. Secondary Support Cables (3) Attach cables he re and secure. An[...]

22. Set the rotary tap selector switch — Use a small screwdriver to set the tap selector switch to the appropriate setting. A TTENTION: When setting the taps for a distributed (high impedance) system, do not tap the system above the rated power of the amplifier . When connecting multiple speakers in 8-ohm mode, be sure that the combined rated im[...]

Installing the CS 120P in a Suspended Ceiling — Division of Labor In a division of labor installation, low-voltage contractors install the CS 120P enclosure (construction rough-in phase). NOTE: The ceiling grid must be installed before the installation of the CS 1226T can begin. • V erify if fiberglass ceiling tiles ar e being used (see ste[...]

4. Cut a hole for the CS 26T speaker . Use the provided cutout template to outline the hole to be cut in the ceiling tile as described below . (If the ceiling tile will not be installed during this phase of the installation, skip to step 6 .) a. Remove the ceiling tile. b. T o find the center of the tile, use a tape measure to measure the space bet[...]

7. Route the cables through the cover plate — NOTES: • The CS 120P is fully UL 2043 compliant only when it is used with a metal conduit or with plenum rated cables. • Installation of all conduits, conduit adapters, wiring, and electrical connections must conform to all applicable building codes and local ordinances. Using a flexible conduit: [...]

8. Wire the CS 120P — Route the wires through the H-shaped opening in the CS 120P . Be sure to leave suf ficient slack. Figure 29. Route the Wir es Through the H-shaped Opening 9. Replace the terminal cover plate — Reinstall the terminal cover plate onto the CS 120P and tighten the two screws that wer e previously loosened. 10. If the CS 120P i[...]

11. Place the CS 120P into the ceiling grid — Place the CS 120P over the tile grid so that the CS 120P is safely supported on the two short edges. If the ceiling tile was installed, ensure that the hole in the tile is aligned with the hole in the CS 120P (see figure 31). Fig: Mounting the PRE NOTE: 2' x 2' (600 mm x 600 mm) grid mountin[...]

Installing the CS 26T in a Suspended Ceiling — Division of Labor In a division of labor installation, an A V system contractor installs the CS 26T (final installation phase). Use the following procedur e: NOTE: Observe all applicable building codes and local ordinances when installing the speaker . 1. Disconnect power — Power down all attached [...]

5. Attach the speaker wires to the captive screw connector — A TTENTION: Do not tin the wires. Tinned wires do not r emain tight in the captive screws and can br eak easily after several bends. Number of Wires per Connection Point Maximum Wire Gauge 1 12 AWG 2 16 AWG 4 18 AWG Attach the speaker wires to the included four -pole captive screw conne[...]

• Wiring Multiple Speakers Using Loop-through: A loop-through electrical connection is made on the cr ossover board of the CS 26T . Connect the wires to the captive scr ew connectors of the speakers, as shown in figure 36. Be sur e to tighten the screws. Speaker 1 Speaker 2 Wiring Multiple Speakers Using Loop-through IN – LOOP – IN + LOOP [...]

• The impedance of the speakers downstream of the one being tested can be measured while the system is on by connecting to the outer (LOOP) terminals of the captive screw connector , as shown in figure 38. Impedance T est Points To next speaker(s) Red Wire (+) fr om Amplifier Black Wire (-) fr om Amplifier Amplifier Te st Points Figure 38. [...]

7. Attach the speaker wire to the strain relief tie down point using the pr ovided zip tie. Captive Sc re w Connector Strain Relief Ta b (zip tie) Figure 40. Attaching the Speaker Wir e to the Strain Relief Point 8. Mount the CS 26T (see figure 41). a. Insert the CS 26T through the bottom of the hole in the ceiling tile that was cut in step 2. b. T[...]

9. Set the rotary tap selector switch — Use a small screwdriver to set the tap selector switch to the appropriate setting. A TTENTION: When setting the taps for a distributed (high impedance) system, do not tap the system above the rated power of the amplifier . When connecting multiple speakers in 8-ohm mode, be sure that the combined rated imp[...]

Installing the CS 120P in a Har d Ceiling If you are installing the CS 1226T in a har d ceiling (having no ceiling tiles), with the ceiling structure in place, install the CS 120P: • It is the responsibility of the installer to identify a suitable mounting location and pr ovide the mounting hardwar e. • The CS 120P must be mounted as clos[...]

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