QSC AD-CI52ST User Manual download pdf (Page 5)

Installation Procedure

1- Using the included C-ring or the dimensions provided, trace a cutout pattern onto

the ceiling surface.

2- Cut the mounting hole. Use a sharp tool to avoid stressing or cracking the mount-

ing surface.

3- Pull the wires through the hole.

4- Pass the two suspended ceiling support brackets through the hole and place as

shown in the illustration. Make sure the part of the bracket that is flat against the tile

is toward the hole. If installing in a non-suspended ceiling application, these brackets

are not required.

5- Pass the C-ring bracket through the hole. Slide the cutout slot into the hole first,

and then rotate the bracket so it passes through the hole. Be sure the wires pass

through the ring.

6- Position the support brackets, and secure the C-ring bracket to each of the support

brackets using the screws provided. If installing in a non-suspended ceiling applica-

tion, skip this step.

7- Loosen the connection cover plate retaining screw and swing the cover open.

Install an appropriate non-metallic sheathed cable connector into the hole provided

on the cover plate.

8- Temporarily support the enclosure so the wires may be passed through the enclo-

sure top with enough slack to prepare and terminate the wires.

9- Locate the terminal block connectors included with the loudspeaker. Loosen the

wire retaining screws fully.

10- Strip the wire ends approximately 5 mm (0.2”) and insert each wire into its proper

connector position. Tighten the wire retaining screws fully.

11- Rotate the connection cover plate closed, making sure not to stress the connec-

tions or pinch the wires. Tighten the cover plate’s retaining screw.

12- Adjust the wiring at the entry point, if necessary, and tighten the clamping

screw(s) on the non-metallic sheathed cable connector. This prevents wire stress and

strain from pulling the connections/connectors loose.

13- Attach a safety cable (secondary support cable) from the enclosure’s attachment

tab to an appropriate support point. This cable and the attachment points must be

strong enough to support many times the weight of the loudspeaker in the event the

primary mounting system fails.

14- Insert the enclosure into the ceiling cutout, making sure any brackets used

remain properly positioned. Tighten the loudspeaker’s mounting clamp screws.

15- Set the tap selector switch to the desired position. 70V systems, all four posi-

tions may be used. Do not use highest tap setting with 100V systems. 8 ohm sys-

tems, se selector to 8 ohm position.

16- Make sure all tests and adjustments are complete before installing the grills.

Locate the loudspeaker’s grill. The cabinet and the grill both have a small loop of

plastic line. Using the clip on the grill’s line, attach the grill’s safety loop to the cabi-

net’s loop. Carefully work the grill into its retaining slot and press firmly into place.

Work the grill in slowly and evenly to avoid damage. Make sure all tests and adjust-

ments are complete before installing the grills.

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QSC AD-CI52ST User Manual Page 5

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