JBLメーカーCeiling Loudspeakersの使用説明書/サービス説明書
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Control Contractor Ceiling Loudspeakers Ow ner’s Manual.
1 Table of Contents Product Descript ion ......................................................................................... 2 Product Feature Ident ification ......................................................................... 3 Installati on Preparations .
2 Thank you for purchasing JB L Control Contractor ceiling loudspeakers. Read through this manua l to familiarize y ourself with the feature s, applications and precautions before you use these prod ucts.
3 Product Feature Identific ation Attachment Screw s Tap Selector (on T-versions) Loudspeaker Di Seism ic T ab (secondary support point) Perforated Pre ss - In Grille Steel Backcan Rotating Mounting T.
4 Installation Prepar ations The entire installation can be accomplished, if nece ssary, without requirin g access above the ceiling. Bracketr y for use with either suspended ceilin gs or sheetrock ceilings is included. The speaker is held securel y in place via mounting ears which lock into place.
5 2) The optional PLASTER-RING BRACKET (or “mud ring”) contains a circular offset, forming a edge guide for sheet rock plastering. The bracket has wings that attach to the building structure. Sheet rock is typicall y either precut or cut with a rotary cutting tool using the outside of the plaster ring circle as a guide.
6 STEP-BY-STEP INSTALLATION AND WIRING The installation sy stem has been de signed so that the entire insta llation can be accomplished from beneath the ceilin g, for instances when ac cess above the tile is not possible or practical.
7 Tile Rails: The tile rails are designed to fit either s tandard 24-inch wide tiles or 600-m m wide tiles. The tile rail pieces do NOT p hysically attach to the T-grid struts. Instead, the inverted-V shape at the ends of the rails sit OVER the T-g rid strut.
8 Guide to th e Pins for Con nection -- The removable locking input connector contains 4 terminals, as marked on the conn ector. The pin functions are listed on the label locat ed on the term inal cover pl ate. Pins 2 & 3 are the “+” and “-” inputs to the loudspeake r.
9 Using Loop-Through Terminals (P ins 1 & 4) - - B y connecting the wire pair of the subsequent spea ker to pins 1 & 4, then all subseque nt speakers will be disconnected when this speaker’s conn ector is disconnected durin g for troubleshooting,.
10 Step 5 – Tighten the Strain Relief Fitting & Close the Terminal Cover First, remove the horizontal screw indic ated in the drawing below. Next, loosen the screws holding the fitting’s sliding pieces onto the input-terminal cover b y about a half turn.
11 The strain relief can be tightened in two wa ys, choose whichever is b est for your application: a) Tightening onto plenum cable or bare wire -- Slide the wiring through the strain relief fitting on the termina l cover plate.
12 b) Tightening o nto flexib le or hard c onduit – The supplied fitting accommodates up to 3/8 inch (9.5mm) flexible conduit. S lide the wiring through the strain relief fitting on the terminal cover plate. Insert the conduit into the strain relief fitting .
13 Step 6 – Insert the Speaker Into the Ceiling and T ighten . Insert the speake r into the ceiling as far as it goes, until the front baffle rim touc hes the ceiling .
14 Model Number of Attachment Screws Control 24C & 24C T 3 screw s Control 26C & 26C T 4 screw s Cont rol 19CS & 19CST 5 screw s Step 6 – Conne ct a Seco ndary Support Line to Seism ic Tab – A tab is provided on the back of each sp eaker for connection to a independent seconda ry support point.
15 Step 8 – Insert the Grille – Consider which direction the logo is facing and press the grille into pla ce until the front of the grille is flush with the rim.
16 Safety Agency Compliance Complies with the requirements of UL-2043 Fire Tests for Heat and Visible Smoke Release for Discrete Products and their Accessories Installed in Ai r Handling Spaces, NFPA-70 National Electric Code 1996, Article 300-22(C), and NFPA-90A Installation of Air Conditioning and Ventilation Sy stems, Section 2-3.
17 Replacement Parts There are no us er serviceabl e parts insi de these speake rs. The foll owing replacem ent parts are for r eference onl y . Refer servici ng to an authoriz ed JB L Service Center. Fo r the name of an authorized Service Cent er in your area, contact JB L Professional at the address listed below.
18 JBL Profession al 8500 Balboa Blv d, P.O. Box 2200 Northridge, CA 91329 U.S.A. C EIL ING SPKR MANUA L Rev D A H a r m a n International C o m p a n y.
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JBL Ceiling Loudspeakers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JBL Ceiling Loudspeakers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。JBL Ceiling Loudspeakers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。JBL Ceiling Loudspeakers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。
JBL Ceiling Loudspeakers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JBL Ceiling Loudspeakers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、JBL Ceiling Loudspeakers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JBL Ceiling Loudspeakers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。
