Extron electronic Projector Accessories PCM340 User Manual

PCM 340 Installation Notes  
1-gang and 2-gang Accessory Mounting  
Points (e.g., Power Sockets)  
The Extron PCM 340 Drop Ceiling Projector Mount is used for  
hanging PoleVaultSystem AV products and various projectors.  
Base  
Plate  
Pipe  
Adapter  
Pipe Adapter Plate  
The PCM is installed above the drop ceiling and secures the  
adjustable pipe in a pass-through pipe adapter plate. The pipe  
then supports the mounting of the Extron PMK 550 and UPB 25  
projector bracket.  
Wing Nuts (4)  
T-frame  
Securing  
Screws (4)  
Pipe Adapter  
C Maximum load for the PCM is 50 lbs (22.7 kg).  
Set Screws (2)  
The key components of the PCM 340 are shown in figure 1.  
Also included in the kit are:  
4 turnbuckles, 5 lag eye bolts, 5 concrete anchors, 2 cable clamps,  
1 safety wire – 15 ft., 2 tie wire – 30 ft., 4 T-frame screws, 2 set screws,  
1 location screw, 4 adhesive pads, 11 hole plugs, 1 escutcheon ring,  
(1) 25 inch slotted projector pipe with 1 snap-in trim piece.  
Installation  
NRefer to local building standards and codes to verify that the  
installation will meet the regulatory requirements.  
Figure 1 — PCM 340 parts  
Observe all local and national building and safety codes,  
UL requirements, and ADA Accessibility Guidelines.  
X"  
Y"  
1. Install the projector to verify the location.  
Projector  
Front  
a. At the predetermined location for the projector, identify the  
ceiling tile and T-frame where the PCM will be installed.  
b. Remove the ceiling tile, and mark the projector's maximum  
and minimum throw distances on the T-frame (see figure 2).  
T-frame  
Refer to the projector manufacturer's manual for details.  
N
c. Place the PCM base plate over the T-frame, between the two  
marks. Lightly tighten the T-frame securing screws (which  
can be inserted on the inside or outside of the PCM).  
Minimum and  
Maximum  
Throw Distance Marks  
d. Back out the Pipe Adapter set screws on the adapter plate.  
Slide the slotted pipe into the adapter, aligning the holes  
in the pipe with those in the adapter (see figure 3). Tighten  
the pipe location screw and the set screws to secure the pipe.  
Figure 2 — Minimum and maximum  
throw distances  
e. Install the UPB 25 projector bracket and the projector onto  
the end of the pipe. Refer to the UPB 25 User Manual for details.  
2. Verify the image location.  
a. Turn on the projector, loosen the wing nuts and slide the base plate  
and projector left and right, viewing the image to verify the proper  
location for a centered image.  
Align Pipe holes with  
location screw holes.  
T Remember to use the vertical and horizontal offsets when  
aligning the projector. Adjust pipe height if needed.  
Refer to the projector manual for details.  
Insert location screw  
and secure.  
b. When image location is verified, lock down the wing nuts.  
Figure 3 — Insert pipe into adapter  
3. Cut the ceiling tile.  
a. Mark the location of the PCM base plate on the T-frame, before  
removing it, to aid in replacing it in the correct location.  
T Mark the screen direction on the back of the tile to help with orientation of the tile when replacing it after cutting.  
N With assistance, carefully remove the UPB 25 with the projector still attached from the slotted pipe.  
Remove the slotted pipe.  
68-1573-01  
Rev B  
05 09  
PCM 340 Installation Notes  
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h. Cut appropriate lengths of the supplied tie wire.  
Loop the wire through the anchors or lag eye bolts and  
the turnbuckles, then twist the wire around itself at least  
five times.  
Secure PCM to frame  
(from either side)  
PCM  
i. Tighten the turnbuckles by hand (see figure 7), and  
T-frame  
level the plate so that it just rests on the grid.  
C The four hanging wires should be taut,  
taking the full weight of the completed  
installation.  
Adjust the turnbuckles to take  
up any slack in the hanging wire.  
C Overtightening the turnbuckles could cause  
the T-bar assembly to be lifted, making the  
suspended ceiling bowed and unsafe.  
Figure 7 — Adjust turnbuckles  
j. Tighten the four T-frame securing screws on the PCM.  
Attach washer and nut and  
insert threaded rods  
through holes on the  
ends of the  
Threaded rod installation  
For this method, threaded rods (not supplied) are used instead  
of wire to secure the plate to the ceiling:  
mounting plate.  
a. Insert the rods through the holes at the ends of the plate.  
b. Secure the rods with washers and nuts. The rods take the  
full weight of the completed installation.  
c. Adjust the length to keep the plate level.  
Attach washer and nut and secure.  
6. Final installation.  
Figure 8 — Threaded rod installation  
a. Install the projector assembly and lock it into place.  
b. Tuck the signal cables into the slotted pipe and firmly snap  
the trim piece into place (see figure 9).  
N The trim piece can be cut to the desired length.  
Slotted  
Projector Pipe  
c. Open the escutcheon ring and, with the tabs uppermost,  
fit the ring around the slotted pipe (see figure 10), then  
close it. Slide the ring up until it is snug against the ceiling tile.  
Snap-in  
Trim Piece  
d. Insert the hole plugs into the remaining open holes in the  
visible part of the pipe.  
e. Complete any further device installation according to the  
manufacturer's manuals.  
Figure 9 — Snap in trim piece  
Figure 10 — Fit ring and hole plugs  
PCM 340 Installation Notes  
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Specifications  
Mounting........................................ Ceiling mountable with included hardware  
Maximum load capacity............... 50 lbs (22.7 kg)  
Material........................................... Aluminium  
Color/finishes................................ White  
Pipe dimensions ............................ 25" (635 mm) length, 1.5"-11.5 NPT  
Product weight .............................. 4.5 lbs (2.0 kg)  
Shipping weight ............................ 9 lbs (5 kg)  
Regulatory Compliances  
Safety........................................ CE, c-UL, UL, for use with UL Listed mount and projector  
Vibration......................................... ISTA 1A in carton (International Safe Transit Association)  
Warranty......................................... 3 years parts and labor  
Adjustment ranges  
PCM 340.............................. 1.5" to 23" drop, 21.5" adjustability, 0.5" steps  
N
N
Drop distances are measured from the bottom of the hanger plate.  
Specifications are subject to change without notice.  
26.39" (670.3 mm)  
24.72" (627.8 mm)  
1.00" (25.4)  
6.00"  
(152.4)  
8.00"  
(203.2 mm)  
23.71" (602.3 mm)  
2.42"  
(61.4)  
1.15"  
(29.2 mm)  
Threaded Holes Appear  
On This Side Only  
Drop  
1.5" min. to 23.00" max.  
2.00" (50.8 mm)  
(1 1/2"-11.5 NPT)  
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