User Guide Speakers CS 3T and CS 120P CS 123T SpeedMount Ceiling Speaker System 68-2543-01 Rev.
Safety Instructions Safety Instructions • English WARNING: This symbol, , when used on the product, is intended to alert the user of the presence of uninsulated dangerous voltage within the product’s enclosure that may present a risk of electric shock. ATTENTION: This symbol, , when used on the product, is intended to alert the user of important operating and maintenance (servicing) instructions in the literature provided with the equipment.
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 reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
Conventions Used in this Guide Notifications The following notifications are used in this guide: WARNING: Potential risk of severe injury or death. AVERTISSEMENT : Risque potentiel de blessure grave ou de mort. ATTENTION: • Risk of property damage. • Risque de dommages matériels. NOTE: A note draws attention to important information. Specifications Availability Product specifications are available on the Extron website, www.extron.com.
Contents Introduction............................................................ 1 About this Guide.................................................. 1 Overview............................................................. 1 Features.............................................................. 2 Application Example............................................ 3 Installation............................................................... 4 Installation Considerations...................................
Introduction This section gives an overview of the Extron CS 123T SpeedMount Ceiling Speaker System, consisting of the CS 3T speakers and CS 120P enclosure. It also provides a list of system features and an application diagram.
Features • Patented two-piece speaker system for suspended ceilings in division-of-labor installations — • CS 120P plenum ceiling tile enclosure, 1’ x 2’ (30.5 cm x 61 cm), pair • CS 3T full-range speaker cartridge, pair • Components available separately or together in a CS 123T complete assembly • Enclosure and speaker cartridge can be installed separately by low-voltage and AV system contractors • Provides significant time and cost savings in ceiling speaker installation • 3” (7.
Application Example The illustration below is one example of configuring a system using the CS 123T.
Installation This section provides instructions for installing the CS 3T speakers and the CS 120P enclosure.
Installing the CS 123T System — Single Installer If a single installer is installing the CS 123T system, follow this procedure for the entire system: NOTE: The ceiling grid must be installed before the installation of the CS 123T begins. • Verify if fiberglass ceiling tiles are being used (see step 3 below and step 11 on page 9 for details).
e. Cut out the circle traced in the ceiling tile. f. Replace the tile in the ceiling. 4. Remove the adjacent ceiling tile — To facilitate the installation process, remove the tile adjacent to the ceiling tile where the CS 3T will be installed. If the CS 120P is being installed, skip to step 6. Otherwise, proceed to step 5. 5.
6. Configure the CS 120P for a U.S. or metric ceiling grid — For U.S. ceilings (2 feet by 2 feet or 2 feet by 4 feet), leave intact the four tabs that are on one of the short ends of the enclosure. For metric ceilings (600 mm by 600 mm or 600 mm by 1200 mm), cut off the tabs. Tabs (4) Removable Tabs Figure 5. Tabs on the CS 120P 7. Remove the cover plate — Loosen (do not remove) the two screws on the cover plate and remove it, as shown in figure 6. Cover Plate Figure 6. Removing the Cover Plate 8.
Flexible Conduit Adapter Flexible Conduit Cover Plate Secondary Cable Pass Through Loop Rear of Enclosure with flexible conduit Figure 7. Routing the Cables through the Cover Plate Using a Flexible Conduit Using speaker wires without a conduit: a. Secure the cable clamp adapter (included) to the cover plate. b. Insert the wires through the clamp and cover plate, as shown below. c. Tighten the clamp screws. Cable Clamp Adapter Cover Plate Secondary Cable Pass Through Loop Rear of Enclosure Figure 8.
9. Wire the CS 120P — Route the wires through the H-shaped opening in the CS 120P. Be sure to leave sufficient slack. Figure 9. Route the Wires Through 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 were previously loosened. 11. If the CS 120P is NOT being installed in a 1-inch (2.54 cm) thick fiberglass ceiling tile, discard the fiberglass tile adapter and proceed to step 12 on the next page.
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 11). Fig: Mounting the PRE NOTE: 2 feet x 2 feet (600 mm x 600 mm) grid mounting is the same as 2 feet x 4 feet. (600 mm x 1200 mm) grid mounting. Figure 11. Mounting the CS 120P in a 2 feet x 2 feet (600 mm x 600 mm) Ceiling Grid 13.
15. Remove the speaker grille — Carefully remove the grille from the front of the CS 3T. NOTE: Grille hooks are provided for grille removal, if needed. 16. Attach the speaker wires to the captive screw connector — ATTENTION: • Do not tin the wires. Tinned wires are not as secure in the connector and could be pulled out. • Ne pas étamer les câbles. Les câbles étamés ne sont pas aussi bien fixés dans le connecteur et pourraient être retirés.
The source signal can be tested by connecting to the inner + (IN) and – (IN) terminals of the captive screw connector. Red Wire (+) from Amplifier Amplifier Black Wire (-) from Amplifier Test Points Figure 15. Signal TestTest Points — Parallel Configuration Signal Points • Wiring Multiple Speakers Using Loop-through: Connect the wires to the captive screw connectors of the speakers, as shown in figure 16. Be sure to tighten the screws.
• 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 18. Red Wire (+) from Amplifier Amplifier To next speaker(s) Black Wire (-) from Amplifier Test Points Impedance Points Figure 18. Impedance TestTest Points — Loop-through Configuration 17. Insert the captive screw connector into the four-pole receptacle on the speaker.
18. Attach the speaker wire to the strain relief tie down point using the provided zip tie. Strain Relief Tab Zip Tie Figure 20. Attaching the Speaker Wire to the Strain Relief Point NOTE: Skip step 19 if installing the CS 3T in an open back configuration. 19. Attach the secondary support line (when mounting with the CS 120P configuration)— Attach the support line as shown below. a. Insert the free end of the zip tie, located inside of the CS 120P (see Fig.
. Mount the CS 3T (see figure 21). a. Insert the CS 3T through the bottom of the hole in the ceiling tile that was cut in step 3. b. Tighten the four locking arm screws (clockwise) until the speaker is securely clamped to the ceiling. Mounting the Speaker with the CS 120P Mounting the Speaker without the CS 120P Figure 21. Mounting the Speaker ATTENTION: • To avoid damaging the speaker, do not overtighten the four screws. Use a manual screwdriver to tighten the screws.
. Attach the secondary support line (open back configuration) — Attach the secondary support line as shown in figure 22. ATTENTION: • Do not allow any slack in the seconday support line. • Ne laissez aucun jeu au niveau du filin de sécurité secondaire. NOTE: Observe all applicable building codes and local ordinances when installing the speaker. Zip Tie Strain Relief Tab Secondary Support Line Figure 22. Secondary Tie off Point Attaching Secondary Support Lines 22.
ATTENTION: • When setting the taps for a distributed (high impedance) system, do not tap the system above the rated power of the amplifier. • Lors de la mise en place des capteurs pour un système distribué (haute impédance), n’exploitez pas le système au delà du niveau d’alimentation de l’amplificateur. ATTENTION: • When connecting multiple speakers in 8-ohm mode, be sure that the combined rated impedance does not equal a value less than the minimum rated impedance of the amplifier.
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 123T can begin. • Verify if fiberglass ceiling tiles are being used (see step 4d on the next page and step 10 on page 21 for details).
4. Cut a hole for the CS 3T 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. To find the center of the tile, use a tape measure to measure the space between two opposite corners (diagonally), and mark the half-way point. c.
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: a. Route wires through the conduit. b.
8. Wire the CS 120P — Route the wires through the H-shaped opening in the CS 120P. Be sure to leave sufficient slack. Figure 30. Route the Wires 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 were previously loosened. 10. If the CS 120P is NOT being installed in a 1-inch (2.54 cm) thick fiberglass ceiling tile, discard the fiberglass tile adapter and proceed to step 11 on the next page.
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 32). NOTE: 2 feet x 2 feet (600 mm x 600 mm) grid mounting is the same as 2 feet x 4 feet (600 mm x 1200 mm) grid mounting. Fig: Mounting the P Figure 32. Mounting the CS 120P in a 2 feet x 2 feet (600 mm x 600 mm) Ceiling Grid 12.
NOTE: The zip tie located in the CS 120P must be attached to the driver assembly. 13. Replace the adjacent tile — Reinstall the adjacent tile if one was removed in step 5. Installing the CS 3T in a Suspended Ceiling — Division of Labor In a division of labor installation, an AV system contractor installs the CS 3T (final installation phase). Use the following procedure: NOTE: Observe all applicable building codes and local ordinances when installing the speaker. 1.
5. Attach the speaker wires to the captive screw connector — ATTENTION : • Do not tin the wires. Tinned wires are not as secure in the connector and could be pulled out. • Ne pas étamer les câbles. Les câbles étamés ne sont pas aussi bien fixés dans le connecteur et pourraient être retirés.
The source signal can be tested by connecting to the inner + (IN) and – (IN) terminals of the captive screw connector. Red Wire (+) from Amplifier Amplifier Black Wire (-) from Amplifier Test Points Figure 36. Signal TestTest Points — Parallel Configuration Signal Points • Wiring Multiple Speakers Using Loop-through: Connect the wires to the captive screw connectors of the speakers, as shown in figure 37. Be sure to tighten the screws.
• 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 39. Red Wire (+) from Amplifier Amplifier To next speaker(s) Black Wire (-) from Amplifier Test Points Impedance Points Figure 39. Impedance TestTest Points — Loop-through Configuration 6. Insert the captive screw connector into the four-pole speaker receptacle.
7. Attach the speaker wire to the strain relief tie down point using the provided zip tie. Zip Tie Figure 41. Strain Relief Tab Attaching the Speaker Wire to the Strain Relief Point 8. Attach the secondary support line. a. Insert the free end of the zip tie, located inside of the CS 120P (see Fig. A below), through the secondary attachment point of the speaker (see Fig. B below). b. Insert the free end of the zip tie into the locking connector on the opposite end of the zip tie (see Fig. C below). c.
9. Mount the CS 3T (see figure 42). a. Insert the CS 3T through the bottom of the hole in the ceiling tile that was cut in step 2. b. Tighten the four locking arm screws (clockwise) until the speaker is securely clamped to the ceiling. Mounting the Speaker with the CS 120P Figure 42. Mounting the Speaker ATTENTION: • To avoid damaging the speaker, do not overtighten the four screws. Use a manual screwdriver to tighten the screws. Do not use a cordless drill or electric screwdriver.
11. Install the grille — Position the outer perimeter of the grille into the groove of the speaker baffle. Six magnets pull the grille securely into place. Speaker Grille Figure 44. Installing the Speaker Grille NOTE: Grille hooks are provided for removal of the grille after installation.
Installing the CS 120P in a Hard Ceiling If you are installing the CS 123T in a hard 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 provide the mounting hardware. • The CS 120P must be mounted as close as possible to the upper surface of the ceiling material. • The lip of the CS 120P should protrude into the hole cut for the speaker.
Painting the Grille 1. With the grille detached from the speaker, carefully remove the scrim from the inner side of the grille. 2. Carefully remove the Extron logo from the front of the grille. 3. Clean the outside of the grille surface with a damp cloth. 4. Carefully spray paint the outside surface of the grille. ATTENTION: • Be sure to keep the paint from clogging the grille perforations, otherwise the speaker output will be affected.
Extron Warranty Extron Electronics warrants this product against defects in materials and workmanship for a period of five years from the date of purchase.
