3 
Mounting the TrueAlert Ceiling-Mount A/V 
 
See Figure 3 for mounting the TrueAlert ceiling-mount A/V to the enclosure box.  
 
Caution: Do not bring conduit through the rear of the electrical box. 
 
1.  Tighten mounting screws snugly (do not overtighten). Torque mounting screws 5-7 in/lbs. 
2.  For flush mounting, install the box either flush with the ceiling or with a maximum ¼-inch recess. 
 
 
 
 
 
 
 
 
 
 
 
 
Notes: 
1.  The TrueAlert Ceiling-Mount A/V attaches directly to a 4-inch square electrical box (not supplied), semi-flush or surface mounted. Ensure 
correct orientation of the box in relation to the location of the mounting screws and the A/V’s position. 
2.  For installation in a concrete or plaster ceiling, flush-mount the box (with a ¼-inch recess, maximum). 
3.  For installation in a suspended ceiling, use a suitable tile bridge that rests on tile to support the box. 
4.  Address Switch SW1 is accessible with the Ceiling-Mount A/V removed. 
 
Figure 3.  TrueAlert Ceiling-Mount A/V Mounting 
 
2 SCREW HOLES FOR  
4-INCH SQUARE MOUNTING 
(SEE NOTES) 
4-INCH SQUARE 
ELECTRICAL BOX 
NOT SUPPLIED 
(3” DEEP REQUIRED) 
(SEE NOTES) 
SCREWS FROM 748-472 
SHIP GROUP QTY: 2 
(MOUNT SCREWS  
CROSS-CORNER) 
TrueAlert CEILING-
MOUNT A/V 
COVER 
DIP SWITCH SW1 
(SEE NOTE 4)