ToaメーカーF-2852CU2の使用説明書/サービス説明書
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INSTRUCTION MANUAL CEILING SPEAKER SYSTEM F-2852CU2 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 ............................................................................. 4 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 2. GENERAL DESCRIPTION The F-2852CU2 is a flush-mounted Ceiling Speaker System that offers a wide frequency range of high-quality sound output. It is specifically designed to be mounted to a drop ceiling with use of the supplied tile bridge.
5 4. NOMENCLA TURE AND DIMENSIONS Safety wire hook Choke bracket Connector cover [Front] ø280 (1 1 1 / 32 ) 38 (1 1 / 2 ) 236 (9 2 / 8 ) ø245 (9 41 / 64 ) [Side] [Rear] [Ceiling mounting] Ceiling tile Ti l e b r i d g e (accessory) Mounting hole: ø250 (9 27 / 32 ) Max.
6 Before mounting the speaker, check the ceiling structure is of drop ceiling with 2-foot standard ceiling tiles. 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.
7 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.
8 6. WIRING 6.1. 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.
9 6.2. 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 4 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 .) F-2852CU2 3.3kΩ 1.5W 0.2W 670Ω 7.5W 0.9W 330Ω 15W 1.9W 170Ω 30W 3.7W 83Ω 60W 7.5W Step 4.
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 FRONT GRILLE Note: Be sure to detach the front grille from the speaker before repainting. 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. • General signaling speaker, UL1480 Category UEAY and CAN/CSA C22.2 No. 205 Category UEAY7 Products Listed under these categories.
533-06-148-00 13. SPECIFICA TIONS Note: The design and specifications are subject to change without notice for improvement. • Accessories Front grille ............................................................ 1 Tile bridge .......................
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Toa F-2852CU2をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはToa F-2852CU2の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Toa F-2852CU2の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Toa F-2852CU2で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Toa F-2852CU2を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はToa F-2852CU2の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Toa F-2852CU2に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちToa F-2852CU2デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。