325I Manuals

Placement / Power
Connect Equipment
Switch on the
Avoid placing the Back-UPS in:
to the Back-UPS
Direct sunlight
The rear panel of the Back-UPS consists of the
Note: Allow the Back-UPS to charge for a full eight
following elements:
hours prior to use.
Excessive heat
Battery Back Up Outlets (qty. of 3). These
Press the push-button on Back-UPS front panel.
Excessive humidity or in contact with fluids
outlets provide battery back-up, surge protection,
of any type
and Electro-magnetic Interference (EMI) filtering.
In case of power outage, battery power is
automatically provided to these outlets. Power
(utility or battery) is not supplied to these outlets
when the Back-UPS is switched  Off. Connect a
computer, monitor, and external disk or CD-ROM
drive to these outlets.
Surge Only Outlet.  This outlet is always  On
Plug the Back-UPS into a wall outlet, as shown.
(when utility power is available) and is not
controlled by the On/Off switch. This outlet does
not provide power during a power outage. Connect
User’s Manual
a printer, fax machine or scanner to this outlet.
Observe that the following events occur after pressing
and releasing the push-button:
990-2114  8/01
The green On-Line indicator flashes.
The yellow On Battery indicator lights while the
Self-Test is being performed.
When Self-Test has successfully completed, only
the green On Line indicator will be lit.
Your computer’s power cord.
If the internal battery is not connected, (see Step 1
above) the green  On Line indicator and red
The Back-UPS charges the internal battery
Replace Battery indicator will light. The Back-
any time it is connected to a wall outlet.
UPS will also emit a chirping sound.
Status Indicators and Alarms
Replace the Internal Battery
There are four status indicators (lights) on the front
Overload (red) - is lit whenever
To replace the internal battery, proceed as follows: 
panel of the Back-UPS (On Line, On Battery,
power demand has exceeded the
Overload, and Replace Battery).
capacity of the Back-UPS.
Note:  Replacing the battery is a safe procedure. However, small sparks may occur
during the process. This is normal.
Continuous Tone - this alarm is
sounded whenever the Battery Backup
outlets are overloaded.
Circuit Breaker - the circuit
breaker button located on the rear
panel of the Back-UPS will stick
out if an overload condition forces
the Back-UPS to disconnect itself
from utility power. If the button
On Line (green) - is lit whenever utility
sticks out, disconnect non-
power is powering the Battery Backup
essential equipment. Reset the
circuit breaker by pushing the
button inward.
On Battery (yellow)  - is lit whenever
Place the unit on its side. Slide the battery
Pull the battery out, exposing the battery terminals
the battery of the Back-UPS is powering
compartment cover upward and off of the UPS.
and wires. Disconnect the wires from the terminals.
equipment connected to the Battery
Replace Battery (red) - is lit when-
Backup Outlets.
ever the battery is near the end of its use-
ful life, or if the battery is not connected
Four Beeps Every 30 Seconds - this
(see above). A battery that is near the
alarm is sounded whenever the Back-
end of its useful life has insufficient run-
UPS is running On Battery. Consider
time and should be replaced.
saving work in progress.
Chirps for 1 Minute Every 5 Hours -
this alarm is sounded whenever the
battery has failed the automatic
Continuous Beeping - this alarm is
diagnostic test.
sounded whenever a low battery
condition is reached. Battery run-time is
very low. Promptly save any work in
progress and exit all open applications.
Shutdown the operating system,
computer and the Back-UPS.
Slide the new battery into the battery compartment.
Align the battery compartment cover with the grooves
Connect the battery wires to the terminals as follows:
in the UPS. Slide the cover down until it locks.
    Black wire to Ground (-) terminal
    Red wire to Positive (+) terminal
Transfer Voltage Adjustment (optional)
Order Replacement Battery
In situations where the Back-UPS or connected equipment appears too sensitive to input voltage, it may
The typical battery lifetime is 3-6 years (depending on the number of discharge cycles and operating
be necessary to adjust the transfer voltage. This is a simple task requiring use of the front panel
temperature). A replacement battery can be ordered over the phone from APC, or the battery can be ordered
pushbutton. To adjust the transfer voltage, proceed as follows:
on-line from the APC web site (see below, a valid credit card is required).
1. Plug the Back-UPS into the utility power source. The Back-UPS will be in a Standby Mode (no
indicators lit).
When ordering, please specify Battery Cartridge RBC2.
2. Press the front panel pushbutton fully inward for 10 seconds. All indicators on the Back-UPS will
flash to acknowledge going into Programming Mode.
3. The Back-UPS will then indicate its current Lower Transfer Voltage, as shown in the following table.
Back-UPS Storage
Indicators Lit
Lower Transfer Voltage
Use When
Before storing, charge the Back-UPS for at least eight hours. Store the Back-UPS covered and upright in a
160 VAC
Back-UPS frequently goes On Battery due to
cool, dry location. During storage, recharge the battery in accordance with the following table:
low input voltage.
180 VAC (factory default)
Normal power conditions exist.
Storage Temperature     Recharge Frequency   Charging Duration
196 VAC
Connected equipment is sensitive to low voltage.
-5o to 30oC  (23o to 86oF) 
Every 6 months
8 hours
30o to 45oC  (86o to 113oF)  Every 3 months
8 hours
4. To select 160 volts as the Lower Transfer Voltage, press the pushbutton until 1 indicator is flashing.
5. To select 180 volts as the Lower Transfer Voltage, press the pushbutton until 2 indicators are flashing.
Please contact APC Technical Support to troubleshoot the unit before returning it to APC.
6. To select 196 volts as the Lower Transfer Voltage, press the pushbutton until 3 indicators are flashing.
7. Once in Programming Mode, if the pushbutton is not pressed within 5 seconds, the Back-UPS will
exit the Programming Mode, and all indicators will extinguish.
APC and Back-UPS are registered trademarks of American Power Conversion
All other trademarks are property of their respective owners.

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