User's Manual

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Inventory

Safety and General Information

Inspect the package contents upon receipt. Notify the carrier and

dealer if there is any damage.

SAVE THESE INSTRUCTIONS - This section contains important

instructions that should be followed during installation and maintenance

of the UPS and batteries. Failure to follow these instructions can result

in equipment damage.

Connect the Battery

The Back-UPS is shipped with one battery cable disconnected.

Connect Equipment

Turn On the Back-UPS

Press the POWER button. It will illuminate green and a single short beep indicating that the

Back-UPS is on and providing protection for connected equipment.

The Back-UPS battery will charge regardless of whether the Back-UPS is switched on or off

as long as it is connected to AC power. The UPS will have full runtime capability after the

initial 24-hour charging period, connected to AC power.

If the red Building Wiring Fault indicator (located on the end near the power cord) is lit, your

building wiring may present a shock hazard that should be corrected by a qualified

electrician.

Turn Off the Back-UPS

Press the POWER button for at least 2 seconds. At the first beep, release the button and the

UPS will turn off. A 2 second delay has been added to mitigate unintentional contact with the

POWER button.

Quick Mute

The Back-UPS is able to temporarily mute user correctable alarms such as: On Battery,

Battery disconnected and Overload.

During such alarms, a short press (less than 2 seconds) of the

POWER button will

temporarily mute the alarm until the condition has been reset. A short double beep will

confirm that Quick Mute has been activated. Pressing the

POWER button for more than 2

seconds will turn off the UPS.

Other critical events such as Battery replacement and Charger notification can not be

temporarily muted. The unit in these cases must be turned off.

On Battery Indicator Modes

With the UPS turned on, configuring the On Battery Indicator modes below is done by

holding down the

POWER button and waiting for the third beep. At the third beep, the

POWER button will cycle red / green. Release the POWER button and its color will indicate

the mode the UPS is in. Press the

POWER button to cycle through each mode. See the table

below for the 3 mode selection colors. Once the mode has been selected, wait 5 seconds and

the setting will be committed to the UPS.

PowerChute

™

Personal Edition Software

Overview

Use PowerChute Personal Edition software to configure the UPS settings, protect your

computer and other equipment during a utility power outage. During a power outage,

PowerChute will save any open files on your computer and shut it down. When utility power

is restored, it will restart the computer.

Note: PowerChute is only compatible with a Windows operating system. If you are using

Mac OSX, use the native shutdown feature to protect your system. See the documentation

provided with your computer.

Installation

Use the USB cable to connect the Data port on the UPS to the USB port on your computer.

Download PowerChute™ Personal Edition Software from www.apc.com/pcpe. Select the

appropriate operating system and follow directions to download the software.

Status Indicators

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Connect the UPS power cable directly to a wall outlet.

• The UPS is intended for indoor use only.

• Do not operate the UPS in direct sunlight, in contact with fluids, or where there is excessive dust

and humidity.

• Be sure the air vents on the UPS are not blocked. Allow adequate space for proper ventilation.

Failure to follow these instructions will result in death or serious injury.

CAUTION

RISK OF HYDROGEN SULPHIDE GAS AND EXCESSIVE SMOKE

• Replace the battery at least every 5 years.

• Replace the battery immediately when the UPS indicates battery replacement is necessary.

• Replace battery at the end of its service life.

• Replace batteries with the same number and type of batteries as originally installed in the

equipment.

• Replace the battery immediately when the UPS indicates a battery over−temperature condition, or

UPS internal over−temperature, or when there is evidence of electrolyte leakage. Power off the

UPS, unplug it from the AC input, and disconnect the batteries. Do not operate the UPS until the

batteries have been replaced.

Failure to follow these instructions can result in injury.

 Remove the “Stop! Connect the Battery” label

that covers the outlets.

 Press the battery compartment cover release

tabs located on the underside of the unit. Slide

the battery cover off.

 Connect the battery cable securely to the

battery terminal. It is normal for small sparks to

be seen when the battery cable is connected to

the battery terminal.

 Reinstall the battery compartment cover.

Be sure that the release tabs lock into place.

Feature Function Suggested Use

Battery Backup + Surge

Protection Outlets

• Receive power from the

battery for a limited period

of time when a power

outage, or brownout

condition occurs.

• Provide protection from

power surges or spikes.

Connect a computer, monitor and

other critical peripheral devices

that need to remain on during

power outages or AC problems.

Surge Protection Outlets

• Provide protection from

power surges or spikes.

Connect non-critical peripheral

devices (such as printer, scanner,

etc.) that do not need to remain on

during power outages or AC

problems.

USB charging ports

• Provide power when the unit

is on AC and on battery.

Charge USB devices

USB

Charging

Ports

Battery Backup + Surge

Protection Outlets

Surge Protection

Outlets

bu451c

POWER

Button

bu452b

Building

Wiring

Fault

USB Data Port

(PowerChute)

AC Power

Inlet

Circuit

Breaker

Mode

Visual

Indicator

Audible Indicator

Mode Selection

Color

Quiet Alarm

(default)

The POWER

button is solid

green and flashes

twice every 2

seconds until Low

Battery

notification where

it will flash green

in rapid

succession.

No alarm until Low Battery notification

where the alarm beeps twice every 30

seconds

Flashing green

No Alarm No alarm while the UPS is On Battery Flashing red

Full Alarm Alarm sounds 4 beeps every 30 seconds

until Low Battery notification where

the alarm beeps every half second. As

the UPS shuts down, it sounds one beep

every 4 seconds

Flashing amber

Status

Power Button

illumination

Audible

Indicator On

Audible Indicator

Terminates

Power On

The Back-UPS is supplying AC

power to connected equipment.

Solid green None N/A

On Battery

Back-UPS supplying battery power

to battery backup outlets.

Solid green and

flashes twice every

2 seconds.

The audible

alarm depends

on the On

Battery

Indicator mode

setting. See the

On Battery

Indicator

Modes section

for full details.

- Using Quick Mute

- Beeping stops when

AC power is

restored or the

Back-UPS is turned

off. Applies only to

modes where the on

battery alarm is

audible.

Low Battery notification

The Back-UPS is supplying battery

power to the battery backup outlets

and the battery is near a total

discharge state.

Flashes green in

rapid succession.

Low Battery shutdown

The battery has been completely

discharged while the Back-UPS is on

battery, the UPS will shut down.

None - AC power is

restored

- AC is not restored

within 32 seconds

- The Back-UPS is

turned off.

Sleep Mode

The UPS has shut down and will

“awaken” once AC power is restored

None None N/A

Replace Battery

• The battery is disconnected.

• The battery needs to be charged, or

replaced.

• Flashes red only.

• Alternates green-

red

• Constant tone

- Back-UPS is turned

off

- If the battery is

disconnected,

connect the battery

or use Quick Mute

On Line Overload

Condition occurs when the UPS is on

AC power and the connected load

exceeds the power output of the

UPS. If overload persists for an

extended period of time, the UPS

will enter Overload Shutdown.

Solid amber Constant tone - Using Quick Mute

- Load removed from

the UPS

- Load exceeds

circuit breaker and

the UPS turns off

Overload Shutdown

An overload condition has occurred

in one or more of the battery backup

outlets while operating on battery

power. This also occurs if On Line

Overload persists for an extended

period of time.

None Constant tone Back-UPS is turned

off

USB Detected Fault

A short circuit has been detected or

an error has occurred.

Alternates green-

amber

None N/A

User Manual Back-UPS

™

BE850G2