APC BR500CI-AS - Manual

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Place the Back-UPS to avoid:

– Direct sunlight
– Excessive heat
– Excessive humidity or contact with fluids

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ON/OFF and
LED Status
Indicator

Battery backup and
surge protected outlets

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990-3333B-005 © 2009 American Power Conversion Corp.

All other trademarks are property of their respective owners.

APC, Back-UPS and PowerChute are registered trademarks of American Power Conversion Corp.

Connect the Battery and Turn on the Unit

Connect the battery to the UPS before use. To connect the battery:



Pull the top of the battery connector lever out of the unit, until the lever is horizontal.



Push the battery connector lever completely into the unit, until the end of the lever is flush with the rear panel.

Press ON/OFF to turn on the unit.

A single short beep, and the green “Power On” indicator confirms that the Back-UPS is on and ready to provide
protection.

The Back-UPS should charge for at least 10 hours to ensure sufficient runtime. The unit is being charged
whenever it is connected to utility power, whether the unit is turned ON or OFF.

Status Indicators

The Back-UPS indicates its operating status using a combination of visual and audible indicators.

Power On LED

Buzzer

Condition

On

Off

On-line

- Back-UPS is supplying conditioned utility power

to the connected equipment

On (Off during 4
beeps)

4 beeps repeated
every 30 seconds

On-Battery

- Back-UPS is supplying battery power

Flashing

Rapid Beeping
(every 1/2 second)

Low Battery Warning

- The Back-UPS has 1.5 minutes of

remaining battery power

Flashing

Constant tone

Bad Battery Detected

- Battery needs to be charged, or is

at end of life. (See

Battery Replacement.)

Off

Short beep every
4 seconds

Low Battery Shutdown

- During On Battery operation the

battery power was almost completely exhausted, and the
Back-UPS is waiting for utility power to return to normal

Off

Constant Tone

On Battery Overload

- Connected equipment requires

more power than provided by the Back-UPS battery.
Unplug devices one at a time to remove overload, if not
corrected Contact APC Technical Support

On Constant

Tone

On Line Overload

- The power drawn by the connected

equipment exceeds the power capacity of the Battery
Backup

Flashing

Chirp every 2
seconds

Charger Warning

-Back-UPS has experienced an internal

problem, but continues to power the load. Contact APC
Technical Support

Off

Constant Tone

Charger Fault

- Back-UPS has an internal problem, and is

no longer powering the load. Contact APC Technical
Support

Adjusting Transfer
Voltage and Sensitivity
Settings

Automatic Voltage Regulation boosts the utility voltage
when it drops below safe levels. This allows the
equipment plugged into the unit to operate during low
voltage conditions, conserving the battery power in the
event of a power outage.

The Back-UPS will switch to battery power if the input
voltage level becomes too low for the Automatic
Voltage Regulation to compensate, or if the utility
power is distorted.

If the Back-UPS switches to battery power too
frequently or too infrequently, adjust the transfer
voltage and sensitivity settings:

1. Ensure the Back-UPS is off. Plug it into utility

power.

2. Press and hold ON/OFF until the LED repeatedly

flashes. The unit is now in Program Mode.

3. Release the button. The LED will flash once,

twice, or three times per second, indicating the
current setting. See

Transfer Voltage and

Sensitivity Settings

.

4. Press ON/OFF within two seconds to change the

setting. Each time the button is pressed, the LED
will flash at a different rate: once, twice, or three
times per second, indicating the new setting.
Continue pressing the button until the desired
setting is reached. If the button is not pressed
within five seconds, the Back-UPS will exit the
Program Mode.

5. To exit Program Mode, release the button and

wait for the LED to stop flashing.

Connect Equipment

Battery Backup

Surge Protection

These outlets are powered whenever the Back-UPS is switched
ON. During a power outage, or other utility problems (brownouts,
over-voltages), these outlets will be powered for a limited time by
the Back-UPS. Plug the computer and monitor into these two
outlets.

Connect AC Power Cord

Plug the Back-UPS power cord into a wall outlet, not a surge
protector or power strip. The outlet should be near the equipment
and easily accessible.

Back-UPS

®

RS 500

BR500CI-AS User Guide

Transfer Voltage and Sensitivity Settings

LED Flashing

Transfer Voltage

Setting

Input Voltage

Range

(For Utility

Operation)

Usage

Once per second

Low

155 - 280

The Back-UPS will switch to battery power less often. Use with equipment that is not

sensitive to low or high level voltage levels or minor voltage waveform distortions.

Twice per second

Medium
(factory default)

160 -280

Default, use in normal conditions.

Three times per second

High

165 - 270

The Back-UPS will switch to battery power during any small fluctuation in voltage.
Use with equipment that is sensitive to low or high level voltage levels or minor
voltage waveform distortions.

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