Control contractor ceiling loudspeakers owner’s manual.
1 table of contents product description......................................................................................... 2 product feature identification......................................................................... 3 installation preparations.........................................
2 thank you for purchasing jbl control contractor ceiling loudspeakers. Read through this manual to familiarize yourself with the features, applications and precautions before you use these products. Product descriptions the jbl control contractor ceiling loudspeakers utilize innovative design and m...
3 product feature identification attachment screws tap selector (on t-versions) loudspeaker d i seismic tab (secondary support point) perforated press-in grille steel backcan rotating mounting tabs jbl logo removable locking input connector strain relief fitting terminal cover plate assembly (contro...
4 installation preparations the entire installation can be accomplished, if necessary, without requiring access above the ceiling. Bracketry for use with either suspended ceilings or sheetrock ceilings is included. The speaker is held securely in place via mounting ears which lock into place. Inputs...
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 typically either precut or cut with a rotary cutting tool using the outside of the plaster rin...
6 step-by-step installation and wiring the installation system has been designed so that the entire installation can be accomplished from beneath the ceiling, for instances when access above the tile is not possible or practical. However, in some cases it may be easier with removable ceiling tiles t...
7 tile rails: the tile rails are designed to fit either standard 24-inch wide tiles or 600-mm wide tiles. The tile rail pieces do not physically attach to the t-grid struts. Instead, the inverted-v shape at the ends of the rails sit over the t-grid strut. During normal operation, the rails are suppo...
8 guide to the pins for connection -- the removable locking input connector contains 4 terminals, as marked on the connector. The pin functions are listed on the label located on the terminal cover plate. Pins 2 & 3 are the “+” and “-” inputs to the loudspeaker. Pins 2 & 3 are looped to pins 1 & 4, ...
9 using loop-through terminals (pins 1 & 4) -- by connecting the wire pair of the subsequent speaker to pins 1 & 4, then all subsequent speakers will be disconnected when this speaker’s connector is disconnected during for troubleshooting,. This can be useful as a way to isolate problems to a sectio...
10 step 5 – tighten the strain relief fitting & close the terminal cover first, remove the horizontal screw indicated in the drawing below. Next, loosen the screws holding the fitting’s sliding pieces onto the input-terminal cover by about a half turn. Run the wires through the opening in the fittin...
11 the strain relief can be tightened in two ways, choose whichever is best for your application: a) tightening onto plenum cable or bare wire -- slide the wiring through the strain relief fitting on the terminal cover plate. In the case of bare wire and plenum cable it is often possible to provide ...
12 b) tightening onto flexible or hard conduit – the supplied fitting accommodates up to 3/8 inch (9.5mm) flexible conduit. Slide 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 previo...
13 step 6 – insert the speaker into the ceiling and tighten. Insert the speaker into the ceiling as far as it goes, until the front baffle rim touches the ceiling. Turn the attachment screws to tighten the mounting tabs, by using the following directions: important -- for each attachment screw, firs...
14 model number of attachment screws control 24c & 24ct 3 screws control 26c & 26ct 4 screws control 19cs & 19cst 5 screws step 6 – connect a secondary support line to seismic tab – a tab is provided on the back of each speaker for connection to a independent secondary support point. Some constructi...
15 step 8 – insert the grille – consider which direction the logo is facing and press the grille into place until the front of the grille is flush with the rim. Make sure grille is securely seated to prevent it from vibrating loose and falling. Removing the grille -- the grille presents a tight fit ...
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 air handling spaces, nfpa-70 national electric code 1996, article 300-22(c), and nfpa-90a installation of air conditioning and ...
17 replacement parts there are no user serviceable parts inside these speakers. The following replacement parts are for reference only. Refer servicing to an authorized jbl service center. For the name of an authorized service center in your area, contact jbl professional at the address listed below...
18 jbl professional 8500 balboa blvd, p.O. Box 2200 northridge, ca 91329 u.S.A. Ceiling spkr manual rev d a harman international company.
