Installation instructions

Installation Instructions FCAB3X1U / FCAB3X1UP
9
INSTALLATION
The following installation instructions assume that the UL Listed
LCM3X1U or LCM3X1UP has been assembled up until the
Attaching Interface Brackets to Displays section. Refer to
LCM3X1U/LCM3X1UP installation instructions for details.
NOTE: The following procedure assumes that two UL Listed
CPA or CMA ceiling plates (not included) and two
extension columns (not included) have been properly
installed following instructions provided with ceiling
plates and extension columns.
Attaching Add-On Heads
1. Attach add-on head (S) to existing array head using four
5/16 x 5/8" button head cap screws (LL). (See Figure 1)
2. Repeat Step 1 for remaining add-on head.
Figure 1
Adding Mounting Rail
1. Slide four T-slot studs (DD - two in top mounting rail slot and
two in bottom) into end of mounting rail (KK). (See Figure 2)
Figure 2
2. Partially fasten one 5/16" lock nut (AA) to each stud on
upper T-slot studs.
3. Slide top T-slot studs (DD) with attached lock nuts (AA)
down into top openings on add-on heads (S). (See Figure 3)
4. Slide studs on lower T-slot studs (DD) into lower slots on
add-on heads (S) while bringing mounting rail against add-
on heads.
IMPORTANT ! : Both mounting rails (KK) must be
located at the same height. One mounting rail must NOT
be higher than the other mounting rail.
5. Tighten array head to mounting rail by tightening lock nuts
on upper T-slot studs and adding two 5/16" lock nuts (AA) to
lower T-slot studs. (See Figure 3)
Figure 3
6. Repeat for remaining add-on head (S).
7. Add one end cap (W) to each end of mounting rail (KK), and
fasten in place using two 1/4-20 x 1/2" Phillips self-tapping
screws (X) for each end cap. (See Figure 4)
Figure 4
1
(LL) x 4
(S)
1
(DD) x 4
(KK)
(KK)
5
(AA) x 2
(S)
7
(X) x 2
(W)