Instruction/ maintenance manual of the product Ceiling Loudspeakers JBL
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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.
An important point after buying a device JBL Ceiling Loudspeakers (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought JBL Ceiling Loudspeakers 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 JBL Ceiling Loudspeakers - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, JBL Ceiling Loudspeakers you will learn all the available features of the product, as well as information on its operation. The information that you get JBL Ceiling Loudspeakers will certainly help you make a decision on the purchase.
If you already are a holder of JBL Ceiling Loudspeakers, 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 JBL Ceiling Loudspeakers.
However, one of the most important roles played by the user manual is to help in solving problems with JBL Ceiling Loudspeakers. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device JBL Ceiling Loudspeakers 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