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Item:
L4T8B-15-35K-PCEM
L4T8B-15-50K-PCEM
EMERGENCY LINEAR T8 BALLAST BYPASS TUBES
INSTALLATION INSTRUCTIONS
Emergency Tube Installation:
1. Disconnect AC power prior to performing electrical work. This includes both switch power and BBU power
(Battery backup unit), which should be on a separate circuit.
Note: The BBU (Battery backup unit) power is a circuit that supplies power to the battery. It should always be on and
cannot have wall switch control.
2. Remove existing fluorescent lamps and diffuser (if applicable).
3. Disconnect luminaire supply wiring to branch circuit and cut lamp holder leads. Cut as far away from each lamp holder
as possible to allow for longer lengths at the lamp holders.
WARNING: Verify that the lamp holders are not shunted. See example on previous page.
Note: Different EM LED tube may have different wiring methods.
4. Connect the "L", "N" wires to the lamp holders on the left as shown below, these lamp holders are connected to a wall
switch and the Input end cap (marked "L", "N") of the lamp. Connect the "L","N" wires to the lamp holder on the right.
That lamp holder is connected to the BBU end cap (marked "L1", "N1") of the lamp. Then put the warning label on the
side of the lamp holder on the right connected the "L", "N" wire to ensure that it can be clearly observed.
5. Close t he wir in g compartment cover and make sure live parts are not accessible. Affix field-applied label in a
visible section inside the luminaire. See Warning Label below.
6. Slide the white battery switch of the lamp to ON as shown below, the lamp will light up by battery power.
Note: The initial position of the white battery switch is OFF.
7. Install the lamps and make sure the Input endcaps (marked L", "N") of the lamps are installed into the switched lamp
holder. The BBU endcap (marked "L1", "N1")of the lamp installed to the non-switched lamp holder on the right with
warning label.
8. Install the diffuser (if applicable), turn on the power and toggle the wall switch to "ON". The green Indicator light beside
the white battery switch will light up to indicate charging.
Emergency Wiring Diagram:
**NOTE: THESE INSTRUCTIONS DO NOT ADDRESS ALL PERMUTATIONS THAT MAY EXIST IN INSTALLATION, MAINTENANCE, AND OPERATING ENVIRONMENT.
**REMARQUE : CES INSTRUCTIONS NE TRAITENT PAS DE TOUTES LES PERMUTATIONS QUI PEUVENT EXISTER DANS L'ENVIRONNEMENT D'INSTALLATION, DE MAINTENANCE ET DE FONCTIONNEMENT.
**NOTA: ESTAS INSTRUCCIONES NO ABORDAN CUALQUIER MODIFICACIÓN QUE PUEDA EXISTIR EN LA INSTALACIÓN, MANTENIMIENTO Y OPERACIÓN.
www.topaz-usa.com | 800.666.2852 | ©2023 Southwire Company, LLC. All rights reserved.
L4T8B-15-40K-PCEM
L4T8B-15-65K-PCEM
Warning:
This lamp holder is connected to
The BBU Mains which is only off
During power outages and cannot
Be controlled by the wall switch
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