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JBL Ceiling Loudspeakers - page 1
Control Contractor Ceiling Loudspeakers Ow ner’s Manual ...
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JBL Ceiling Loudspeakers - page 2
1 Table of Contents Product Descript ion ......................................................................................... 2 Product Feature Ident ification ......................................................................... 3 Installati on Preparations .................................................................................. ...
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JBL Ceiling Loudspeakers - page 3
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. Product Descriptions The JBL Control Contractor ceiling loudspeakers utilize innovative design and materials to provide pre mium level performanc ...
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JBL Ceiling Loudspeakers - page 4
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 abs JBL Logo Removable Lockin g In p ut Connector Strain Relief Fitting Terminal Cov er Plate Assembly ( Control 24C Shown) ...
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JBL Ceiling Loudspeakers - page 5
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. Inputs are attached to a removable lockin g connec ...
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JBL Ceiling Loudspeakers - page 6
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. The sheet rock hole is t ...
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JBL Ceiling Loudspeakers - page 7
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. Howe ver, in some cases it may be easier with remova ble ceiling tiles to access from both the top and bottom of th ...
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JBL Ceiling Loudspeakers - page 8
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. Du ring normal operation , the rails are s upported by th e edge of the tile. In the unlik ...
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JBL Ceiling Loudspeakers - page 9
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. Pins 2 & 3 are looped to pins 1 & 4, respectivel y (Pin 1 co ...
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JBL Ceiling Loudspeakers - page 10
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,. This can be useful as a wa y to isolate problems to a section of the distributed line while ...
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JBL Ceiling Loudspeakers - page 11
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. Run the wires through the opening in the fitting. Figure 12: Opening t he Strain- Relie ...
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JBL Ceiling Loudspeakers - page 12
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. In the case of bare wire and plenum cable it is often possibl e to provide accepta ble strain r elief force b y simply ti ...
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JBL Ceiling Loudspeakers - page 13
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 . Reinsert the horizontal screw that was previously removed. Use the two horizontal screws ...
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JBL Ceiling Loudspeakers - page 14
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 . Turn the attach ment screws to tighten the mounting ta bs, by using the following directions: IMPORTANT -- For each attachment screw, F IRST turn ½ turn COUNTER-CLOCKWISE to rele ...
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JBL Ceiling Loudspeakers - page 15
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. Some construction codes require using ...
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JBL Ceiling Loudspeakers - page 16
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. Make sure grille is securely sea ted to prevent it from vibrating loose and falling. Removing the Gr ille -- The grille presents a tig ht fit in order to make sure tha t it won’t fal ...
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JBL Ceiling Loudspeakers - page 17
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 2-3.10.1 (a), Ex ce ...
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JBL Ceiling Loudspeakers - page 18
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. Control 24C Control 24CT Control ...
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JBL Ceiling Loudspeakers - page 19
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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