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88
FieldSmart
®
Fiber Active Cabinet (FAC) 3200
Installation Manual
_________________________________________________________
Step 1:
Step 2:
Step 3:
Step 4:
Testing Batteries
If the batteries are not fully charged, perform this procedure after charging the batteries.
WARNING!
Electrical hazard. Only a qualified technician should perform these procedures.
To test the batteries
At the rectifier fuse panel, verify that the battery breakers are
ON
.
Using a digital volt meter, test the battery connection between the negative and positive battery leads:
a.
Place the red volt meter lead on the red negative (-) battery lead.
b.
Place the black volt meter lead on the black positive (+) battery lead.
c.
Verify that the volt meter reads between -46 and -54 VDC.
d.
If the reading is outside of these limits, check for connection integrity, replace bad battery cell as applicable,
and retest the voltage.
At the AC load center, set the Main breaker to
OFF
. The fans should continue to run.
At the AC load center, set the Main breaker to
ON
and verify that power restores to the Valere shelf.
