
Fig. 1
Fig. 2
Fig. 3 Fig. 4
Fig. 5
Fig. 6
Fig. 7 Fig. 8
Antenna
LED bushing
Test switch
Switch connector
Screws
Test switch
LED bushing
End cap
(test switch side)
LED indicator
Test switch
connector
LED indicator
connector
Antenna connector
Antenna
connector
Antenna
extend wire
Test switch
connector
LED indicator
connector
Screws for trim plate
Trim plate
Test switch
Antenna
connector
S902/S903 Series
Installation Instructions
XXXXXXXX REV 6 - 07/23 2
800-533-3948 www.barronltg.com
Recessed Ceiling Installation
1. Open front cover by blade screw driver, attach battery
connector on PCBA, disassemble J-box cover, punch out
wire hole. Secure J-box on the top of fixture by screws,
feed the AC wires out of J-box cover. Restore J-box cover,
restore front cover. (Fig. 1)
2. Unscrew and remove test switch side end cap, disconnect
test switch connector, remove test switch and LED
indicator and bushing from end cap, disassemble antenna
connector and feed test switch,LED indicator and antenna
wire out of end cap, restore end cap on housing by
screws. Connect antenna extend wire (provided in
accessories bag) on antenna connector. (Fig. 2)
3. Assemble test switch, LED bushing and LED indicator on
the trim plate. Assemble antenna on trim plate. (Fig. 3)
4. Position recessed kits and bar hangers between joists.
Make sure bar hangers to be hanged in correct position.
Position recessed kits temporarily by hammering “nail-in”
tabs on bar hangers, then secure permanently with nails.
Note: Bar hangers should be level with bottom of joists.
5. Adjust height of recessed kits vertically using adjusting slots
and then tighten all screws on adjusting slots and bar
hanger bracket to secure adjusting bracket and bar
hangers. (Fig. 4)
6. Make AC supply wiring, white wire for neutral, black wire for
120VAC Input, orange wire for 277VAC Input, green wire for
grounding. After wiring, get wire nuts inside of J-box. (Fig.
5)
7. Peel off protection film from EXIT panel. Insert EXIT panel
into main body assembly gently. (Fig. 6)
Note: If EXIT panel is for single face, make sure EXIT
letter direction is right.
8. Insert fixture into hanger bracket and snap by spring,
connect test switch, LED indicator and antenna connector,
fix trim plate on the metal box by 2 screws. (Fig. 7)
9. Determine direction for chevron indicator.
Note: Refer to Chevron Placement section.
Recessed Wall Installation
1. Reference steps 1-9 in recessed ceiling installation above
for recessed wall mounting.
2. Acrylic panel can rotate 90° to become recessed wall
installation. (Fig. 8)