PELCO Manual C428M-B (2/98) 9
3.4.1 Ceiling/Wall Mounting
1. Select an appropriate length of 1-1/2" NPT pipe for the mount you have se-
lected. Once the mount is installed, insert and tighten the pipe to approxi-
mately 30 ft lb, then tighten the 8-32 screw in the pipe nut to lock the pipe
threads. Slide the black 10"OD “Schneider” ring over the pipe and then slide
the upper dome onto the pipe and lock it out of the way with a suitable retainer.
2. Screw the mounting flange (item 4, Figure 5) onto the pipe and tighten to
approximately 20 ft lb. Tighten the 8-32 screw in the pipe nut to lock the pipe
threads (refer to Figure 4).
3. Align the three-hole pattern in the pan spindle (PT280-24P) with the holes in
the lower bracket (item 5, Figure 5) and attach with 1/4-20 x 5/8" hex head
bolts and lock washers provided. Tighten firmly.
4. Assemble the lower bracket and pan/tilt to the mounting flange (item 4, Figure
5) using 1/4" x 5/8" hex head bolts, flat washers, and hex nuts provided.
5. Attach the upper (drive) bracket (item 3) to the bottom (spindle side) of the
pan/tilt using four (4) 10-32 x 1/2" pan head screws and lock washers pro-
vided. Refer to Figure 5 for proper orientation.
6. Feed the main cable from the control or receiver through the center of the
1-1/2" pipe and connect it to the cable of the pan/tilt. Pull the cable and con-
nector back up into the pipe so that it does not get caught on the rotating parts.
7. Install the camera/lens assembly onto the tilt table of the pan/tilt. Connect the
proper cables (camera, lens function).
8. Remove the retainers from the upper dome and lower it until it seats itself on
the upper (drive) bracket.
NOTE:
The “Schneider” ring referred
to in these instructions is a 10-inch
black aluminum ring designed to fit
around the square portion of the up-
per dome. Use of this ring helps to
camouflage movement of the dome.
NOTE:
Disregard step 3 if using the
PT280-24SL pan/tilt.
NOTE:
When installing a PT280-
24SL pan/tilt with the slip ring option
you will need to remove one (1) of the
1/4-20 fasteners holding the mount-
ing flange to the SL2800 bracket.
Pivot the pan/tilt assembly to one side
to allow the connector and cable to
pass through. After the connection is
made, pull the connector back up into
the pipe and reattach the mounting
flange.
NOTE:
When mounting a long cam-
era/lens assembly (13" to 15") into a
SS3000 enclosure, it must be
mounted to the pan/tilt backwards so
the lens is to the rear of the pan/tilt.
This is to allow full downward tilt of
the long lens. This must also be taken
into consideration when wiring the
unit, as the motions will be reversed.
NOTE:
The small hole in the upper
dome (for safety chain attachment)
should be positioned at the back (con-
nector) end of the camera.
Figure 4. Locking the Pipe Nut
(8 pages)
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