Instruction/ maintenance manual of the product F-122CU2 TOA Electronics
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INSTRUCTION MANUAL CEILING SPEAKER SYSTEM F-122CU2 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.
2 T ABLE OF CONTENTS 1. SAFETY PRECAUTIONS ............................................................................... 3 2. GENERAL DESCRIPTION ............................................................................. 3 3. FEA TURES ..........
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.
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.
Before mounting the speaker, check the ceiling structure is of drop ceiling with 2-foot standard ceiling tiles. 5 5. MOUNTING HARDW ARE INST ALLA TION [Installation view on Drop Ceilings] Caution Set the tile bridge so that both ends fit securely into the T-grids, even if the ceiling tile accidentally falls off.
6 Step 3. 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 a secure C-channel bar or suspension pipe.
7 6. WIRING 6.1. Using the Speaker in UL1480 Category UUMW Choke bracket Cover plate Cover plate Connector cover After completing the speaker cable connection, turn the connector cover in the direction indicated by the arrow , and fix the cover with 2 screws.
8 6.2. Using the Speaker in UL1480 Category UEA Y and CAN/CSA C22.2 No.205 Category UEA Y7 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.
9 6.2.2. Wiring with naked cables Loosen the screw to allow the speaker cable to pass through. Choke bracket Retighten the screw to fix the speaker cable.
10 Step 2. Detach the removable input connector from the speaker's socket, and loosen the screw of the terminal to be used. Speaker unit Removable input connector Step 3. Insert the stripped cable end into the terminal and tighten the terminal screw with a screwdriver.
11 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.
12 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 and CAN/CSA C22.
13 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.
14 10. REP AINTING THE SPEAKER Follow the procedure below when repainting the front grille: 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.
15 12. SAFETY AGENCY COMPLIANCE This product is for indoor use only. The F-122CU2'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, the unit complies with the different UL Categories as follows.
533-06-144-20 13. SPECIFICA TIONS Note: The design and specifications are subject to change without notice for improvement. • Accessories Front grille ............................................................ 1 Tile bridge .......................
An important point after buying a device TOA Electronics F-122CU2 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought TOA Electronics F-122CU2 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data TOA Electronics F-122CU2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, TOA Electronics F-122CU2 you will learn all the available features of the product, as well as information on its operation. The information that you get TOA Electronics F-122CU2 will certainly help you make a decision on the purchase.
If you already are a holder of TOA Electronics F-122CU2, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime TOA Electronics F-122CU2.
However, one of the most important roles played by the user manual is to help in solving problems with TOA Electronics F-122CU2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device TOA Electronics F-122CU2 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
