APC ES 350 User's Manual

APC Power Supply User's Manual - ES 350.
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Back-UPS ES 350/500

User’s Guide

1

2

3

Connect Battery

Connect
Equipment

Power On and
Install Software

990-9197 Revision 1  11/01 Copyright  © 2001 American Power Conversion Corp.

All other trademarks are property of their respective owners.

The Back-UPS ES is shipped with one battery wire disconnected in compliance with Department of Transportation (DOT) regulations. The Back-UPS ES 
will not operate until the wire is connected to the touch safe battery terminal.

NOTE: Small sparks may occur during battery connection. This is normal.

1

2

4

TURN the Back-UPS ES over and 
remove the battery compartment 
cover screw using a flat blade or 
phillips-head screwdriver.

Slide the battery 
compartment cover 
completely off of 
the Back-UPS ES.

Replace the battery, 
battery compartment 
cover and cover 
retaining screw.

Surge Protection

These outlets provide full-time protection from surges even if 
the Back-UPS ES is switched OFF. Plug your printer, fax 
machine, scanner, or other peripherals that do not need 
battery power into these outlets.

Battery Back-up 

plus      Surge Protection

These outlets are powered whenever the Back-UPS ES 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 ES. Plug your computer, monitor, 
and one other data-sensitive device (external disk or tape 
drive) into these outlets.

Connect FAX/Modem/Phone

Back-UPS ES protects a single 
line (2-wire) fax, modem or 
phone from surges when it is 
connected through the Back-
UPS ES as shown.

Place the Back-UPS ES to avoid:

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

Plug the Back-UPS ES power cord directly 
into a wall outlet; not a surge protector or 
power strip.

Connect Computer Cable

The supplied cable and software provide 
automatic file saving and shutdown of the 
operating system in the case of a sustained 
power outage.

Connect the cable to the Data Port of the Back-
UPS ES. Connect the other end of the cable to 
the USB port on your computer. The software will 
automatically find the USB Port of your 
computer.

Press the ON/OFF switch to power the unit 
ON.

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

The Back-UPS ES should charge for at least 
16 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.

If the red Building Wiring Fault indicator 
(located on the end near the power cord) is lit, 
your building wiring presents a shock hazard 
that should be corrected by a qualified 
electrician.

Install the PowerChute Personal

® Edition

software

Place the PowerChute Personal Edition CD-
ROM into your computer and follow the 
installation instructions on the screen.

3

LIFT the battery out of the compartment and connect the 
black wire to the battery terminal.

www.apc.com

®

P o w e r   O n

Battery Backup 

plus    Surge Protection

Wall Outlet

Modem/Phone/Fax

Computer

USB Port

Surge Protection

Back-UPS ES 500

Back-UPS ES 350

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

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

Status

Visual Indications

Audible Indication

Alarm Terminates 

When

On Line - UPS is supplying conditioned 
utility power to the load

Power On LED  - ON

None

n/a

On Battery - UPS is supplying battery 
power to the load connected to the 
Battery outlets

Power On LED  - ON
(off during beep)

Beeping 4 times 
every 30 seconds

UPS transfers back to 
On Line operation, or 
when UPS is turned 
off.

Low Battery Warning - UPS is supplying 
battery power to the load connected to 
the Battery outlets and the battery is near 
exhuastion

Power On LED  - 
Flashing

Rapid beeping (one 
second intervals)

UPS transfers back to 
On Line operation, or 
when UPS is turned 
off.

Replace Battery - Battery needs to be 
checked and/or replaced, or battery is not 
connected

Power On LED  - 
Flashing

Constant tone

UPS turned off with 
the power switch.

Overload Shutdown - During On Battery 
operation a battery power supplied outlet 
overload was detected.

Power On LED  - OFF

Constant tone

UPS turned off with 
the power switch.

Sleep Mode - During On Battery 
operation the battery power has been 
completely exhausted and the UPS is 
waiting for utility power to return to 
normal.

Power On LED  - OFF

Beeping once every 
4 seconds

UPS transfers back to 
On Line operation, or 
when UPS is turned 
off.

Building Wiring Fault - Your building 
wiring presents a shock hazard that 
should be corrected by a licensed 
electrician.

Building Wiring Fault 
LED (red) - ON

None

UPS is unplugged, or 
plugged into a 
properly wired outlet.

Status Indications

Power On

Circuit

Breaker

AC Line

Cord

Building Wiring

Fault Indicator

UPS Power

On Indicator

Power

Switch

®

See the Troubleshooting section for additional assistance.

Sold by:

http://www.TWAcomm.com
Toll Free: (877) 892-2666

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