3
UPS Operation
38
Alpha Technologies
3.3
Replacing the Batteries
CAUTION: While the batteries are being changed, the unit cannot provide
backup power. This procedure should
NOT
be done while critical loads are
running that depend upon the unit’s backup power.
Procedure
TIP: The Alarm LED
turns on
when the battery
circuit breaker is turned off.
1
Switch the unit into Hot Swap (Section 3.6,
“Hot Swap”).
2
Turn off the battery circuit breaker.
3
Unplug the battery cable.
4
Remove the battery cable from the old
batteries.
5
Replace the batteries.
6
Attach the battery cable to the new batter-
ies.
7
Plug in the battery cable.
8
Turn on the battery circuit breaker.
9
Switch the unit out of Hot Swap (Section
3.6, “Hot Swap”).
Battery Replacement Finished
Alpha
5M 120/60N
Novus 1800 LINE