157
FieldSmart
®
Fiber Active Cabinet (FAC) 900
__________________________________________________________
Installation Manual
Direct: 763.476.6866 • National: 800.422.2537 • www.SeeClearfield.com • [email protected]
Manual 020420 REV B - April 2019
Step 1:
Step 2:
Step 3:
Step 4:
Step 5:
Replacing Batteries
If a single battery or string of batteries fails, becomes damaged, or wears out its life, you can replace the battery or string
as described below. Replacing batteries does not impact cabinet service, provided that an AC power failure does not occur
during the replacement process. Clearfield recommends connecting an external generator to the cabinet while performing
battery maintenance to ensure service continuity in the event of an AC outage.
WARNING!
Electrical hazard. Batteries contain a stored charge. Only a qualified technician should perform
this procedure.
CAUTION!
Electrical, chemical, fire, and heat hazard. Handle batteries with care to avoid personal injury or
damage to the equipment.
ALERT!
To ensure service continuity in the event of an AC outage, connect an external generator to the
cabinet while performing battery maintenance.
To replace batteries
Open the side FAC 900 cabinet or EXM front door.
Open the latch on each side of the terminal cover and remove the cover.
Remove the seismic retaining bracket from the internal battery enclosure as follows:
a.
Remove the (2) hex head screws and washers from each side of the retaining bracket.
b.
Rotate the retaining bracket forward, and lift the bracket from the groove at the base of the battery enclo-
sure.
Remove the old batteries:
a.
Disconnect the #8 AWG battery power cables from the power supply leads.
b.
Remove the red and black power cables from the battery string.
c.
Remove the jumper straps from between the batteries.
d.
Remove the temperature probe cable from the string's negative (-) terminal post.
e.
Remove the batteries from the battery enclosure.
Install the new batteries into the battery enclosure. See
Installing Batteries
for instructions.
