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TOA Electronics F-122CU manual

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Table of contents for the manual

  • Page 1

    INSTRUCTION MANUAL CEILING SPEAKER SYSTEM F-122CU Please follow the instructions in this manual to obtain the optimum results from this unit. We also recommend that you keep this manual handy for future reference. Rev . A[...]

  • Page 2

    2 T ABLE OF CONTENTS 1. SAFETY PRECAUTIONS ............................................................................... 3 2. GENERAL DESCRIPTION ............................................................................. 3 3. FEA TURES .......................................................................................................... 4 [...]

  • Page 3

    3 • Leave the installation to your TOA dealer because the installation requires expert knowledge. Improper installation may cause the unit to fall, resulting in personal injury and/or property damage. • Install the unit in a location that can structurally support the weight of the unit and its mounting hardware. Doing otherwise may result in th[...]

  • Page 4

    4 3. FEA TURES • Bass-reflex speaker system designed to provide a wide frequency range and high power handling capability. • Wide-dispersion flush-mount ceiling speaker design employs unique acoustic construction to realize a wide area of coverage. Uniform sound output levels are achievable not only directly under the speaker, but also over a w[...]

  • Page 5

    5 5. MOUNTING HARDW ARE INST ALLA TION Before mounting the speaker, determine the most appropriate method for the existing ceiling structure. Be sure to use an optional HY-TB1 Tile Bar Bridge in combination with the supplied ceiling reinforcement ring. [Installation view on Drop Ceilings] Because the bridge rails are 603 mm (23 47 / 64 ") in l[...]

  • Page 6

    6 Ceiling panel ø 200 ± 5 mm (7 7 / 8 ± 13 / 64 ") Step 1. Cut a ø 200 mm (7 7 / 8 ") hole in the ceiling. Use the supplied paper pattern to position and trace the hole. Step 2. Install the HY-TB1 in the ceiling. Loosen the two reinforcement ring mounting screws in each tie-plate to the point that they do not fall out of their holes. [...]

  • Page 7

    7 Step 4. Attach the ceiling reinforcement ring to each tie-plate using 2 reinforcement ring mounting screws. Ceiling reinforcement ring Reinforcement ring mounting screw Tie-plate Fit closely to the back surface of the ceiling panel. 1 2 Ceiling reinforcement ring Tie-plate mounting screw Tie-plate If the ceiling reinforcement ring does not line u[...]

  • Page 8

    8 Step 5. Attach a safety wire to prevent the speaker from accidentally falling. To attach, tie one end of the supplied safety wire around the speaker's safety wire hook, and tie its snap ring around the installed HY-TB1 or a solid structure. Note When there is no gap between the bridge rails and the ceiling panel, to secure the safety wire, t[...]

  • Page 9

    9 6. WIRING 6.1. Using the Speaker in UL1480 Category UUMW Choke br ack et Cov er plate Cov er plate Connector cov er After completing the speaker cab le connection, turn the connector cov er in the direction indicated by the arro w , and fix the cov er with 2 screws. Remov e the chok e brac k et and the cov er plate from the speaker . Note The rem[...]

  • Page 10

    10 6.2. Using the Speaker in UL1480 Category UEA Y only 6.2.1. Wiring through hard or flexible conduit Note The choke bracket equipped with the speaker has not been evaluated by UL, for conduit connection and UL514B Standard. Flexible conduit of 3/8 or 1/2 inch trade size and the UL514B conduit fitting of the same trade size can also be used. For t[...]

  • Page 11

    11 6.2.2. Wiring with naked cables Loosen the screw to allo w the speak er cable to pass through. Choke br ack et Retighten the screw to fix the speaker cab le . Note Ensure that the speaker cab le is securely fix ed. After completing the speaker cab le connection, turn the connector cov er in the direction indicated by the arro w , and fix the cov[...]

  • Page 12

    12 Step 2. Remove the detachable input connector from the speaker's socket, and loosen the screw of the terminal to be used. Speaker unit Detachable input connector Step 3. Insert the stripped cable end into the terminal and tighten the terminal screw with a screwdriver. Caution If not making bridge connections, be sure to tighten unused termi[...]

  • Page 13

    13 Caution Before mounting, check to be sure that the speaker's 3 mounting tabs are turned inside the unit as shown in the figure. If turned outward, the speaker cannot be inserted through the mounting hole. In Out Mounting tab Step 1. Insert the speaker through the mounting hole till it contacts the ceiling panel. While doing so, avoid direct[...]

  • Page 14

    14 Step 3. Set the input power. Turn the input selector switch (on the unit's front) to set it to the desired input impedance. (Factory-preset to 170 Ω .) Note Setting positions "8 Ω " and "16 Ω " can be used in UL1480 Category UEAY only. Step 4. Attach the front grille. Align the tabs (3 places) on the back side of t[...]

  • Page 15

    15 Mounting tab axis screw Use an electric screwdriver to detach. Mounting tab Screw cap Caution Be sure to set the screwdriver's torque for under 4 kgf · cm. Failure to do so may cause the Screw cap and the Mounting tab to fall off on the rear of ceiling panel. 9. REMOVING THE SPEAKER FOR MAINTENANCE 9.1. Detaching the Front Grille 1 2 F ron[...]

  • Page 16

    16 Step 1. Clean the front grille before painting. Wipe with a soft cloth dampened in a detergent. Caution Do not use thinner or other volatile liquids to clean the grille. Step 2. Spray on a uniform, thin coat of paint. Cautions • Avoid painting with a roller or brush, as the grille mesh holes could become clogged with paint. • Use appropriate[...]

  • Page 17

    17 16VP Signaling Speaker 16VP Fire Protective Signaling Speaker S8460 12. SAFETY AGENCY COMPLIANCE This product is for indoor use only. The F-122CU's front-mounted rotary switch permits selection of speaker handling power (wattage) on 25 V or 70 V line operation or low impedance (8 Ω or 16 Ω ) operation. Depending on the switch settings, [...]

  • Page 18

    18 13. SPECIFICA TIONS Note: The design and specifications are subject to change without notice for improvement. • Accessories Front grille ............................................................ 1 Ceiling reinforcement ring .................................... 1 Safety wire (approx. 60 cm or 23 5 / 8 ") .................. 1 Paper patte[...]

  • Page 19

    Printed in Indonesia 533-06-090-20[...]