American Power Conversion 750VA, 100VAC user manual 120V models only. Site wiring

Page 14

PROBLEM AND POSSIBLE

 

SOLUTION

CAUSE

 

 

 

THE OVERLOAD LED IS LIT AND THE UPS EMITS A SUSTAINED ALARM TONE

The UPS is overloaded.

 

 

The connected equipment exceeds the specified “maximum load” as de-

 

 

 

fined in Specifications at the APC web site, www.apc.com.

 

 

 

The alarm remains on until the overload is removed. Disconnect nonessen-

 

 

 

tial equipment from the UPS to eliminate the overload.

 

 

 

The UPS continues to supply power as long as it is online and the circuit

 

 

 

breaker does not trip; the UPS will not provide power from batteries in the

 

 

 

event of a utility voltage interruption.

 

 

 

If a continuous overload occurs while the UPS is on battery, the unit turns

 

 

 

off output in order to protect the UPS from possible damage.

 

 

 

THE REPLACE BATTERY LED IS LIT

 

Replace Battery LED flashes

 

Check that the battery connectors are fully engaged.

and short beep is emitted every

 

 

two seconds to indicate the

 

 

battery is disconnected.

 

 

 

Weak battery.

 

 

Allow the battery to recharge for 24 hours. Then, perform a self-test. If the

 

 

 

problem persists after recharging, replace the battery.

Failure of a battery self-test.

 

The UPS emits short beeps for one minute and the replace battery LED

 

 

 

illuminates. The UPS repeats the alarm every five hours. Perform the self-

 

 

 

test procedure after the battery has charged for 24 hours to confirm the

 

 

 

replace battery condition. The alarm stops and the LED clears if the bat-

 

 

 

tery passes the self-test.

 

 

THE SITE WIRING FAULT LED IS LIT

120V models only. Site wiring

 

Wiring faults detected include missing ground, hot-neutral polarity rever-

LED on rear panel

.

 

sal, and overloaded neutral circuit.

 

Contact a qualified electrician to correct the building wiring.

The UPS is plugged into an

 

 

 

improperly wired utility power

 

 

outlet.

 

 

 

 

 

THE INPUT CIRCUIT BREAKER TRIPS

The plunger on the circuit

 

Reduce the load on the UPS by unplugging equipment and press the

breaker (located to the right of

 

plunger in.

the input cable connection) pops

 

 

out.

 

 

 

 

 

AVR BOOST OR AVR TRIM LEDS LIGHT

Your system is experiencing

 

Have qualified service personnel check your facility for electrical prob-

excessive periods of low or high

 

lems. If the problem continues, contact the utility company for further

voltage.

 

 

assistance.

 

 

 

 

12

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Contents APC Smart-UPS Page Positioning the UPS IntroductionUnpacking Installing the Rails in the Rack Mounting the UPS in a Rack Connecting Equipment and Power to the UPS UPS. Use only interface kits supplied or approved by APC Operation On Battery Operation User Configurable Items 230V models Storage Replacing the Battery ModuleDisconnecting the Battery for Transport Troubleshooting 120V models only. Site wiring Utility Voltage Service Contacting APCRegulatory Agency Approvals and Radio Frequency Warnings 230V ModelsDeclaration of Conformity Limited Warranty
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100VAC, 750VA specifications

American Power Conversion (APC) has long been renowned for its commitment to providing reliable power protection solutions. One of their well-regarded offerings is the APC 750VA, 100VAC Uninterruptible Power Supply (UPS). This model is designed to safeguard sensitive electronic equipment from power disturbances while ensuring continuous operation during outages.

The APC 750VA, 100VAC UPS is built to accommodate the power requirements of small networks, home office setups, and personal use. With a 750VA power capacity, it provides essential support for a variety of devices, including computers, networking equipment, and peripherals, ensuring that they remain operational during unexpected power interruptions.

One of the standout features of this APC model is its sine wave output. Unlike traditional modified sine wave outputs, sine wave technology delivers a smoother waveform, which is less stressful on connected devices, improving their longevity and performance. The UPS also includes automatic voltage regulation (AVR) that stabilizes voltage levels by correcting minor power fluctuations without switching to battery mode, thereby extending battery life and reducing unnecessary wear.

The unit also boasts several communication options. It features USB and serial ports that allow for easy connection to management software, enabling users to monitor power usage and battery health. The built-in alarm systems similarly notify users of power disturbances or battery failure, providing critical alerts that facilitate timely interventions.

Another notable characteristic of the APC 750VA UPS is its compact form factor, making it easy to position within home or office environments without consuming much space. The design is also user-friendly, featuring a clear LED display that shows battery status, load level, and overall health status at a glance.

In terms of battery characteristics, the UPS uses sealed lead-acid batteries that are user-replaceable, simplifying maintenance and ensuring that the system continues to operate effectively over the years. The battery runtime is adjustable, allowing users to choose between higher performance for critical devices or extended backup time for non-essential devices.

Overall, the APC 750VA, 100VAC UPS is a versatile and robust power protection solution, blending innovative technology with practical design elements to meet the diverse needs of users in a variety of settings. With its reliable performance, advanced features, and user-friendly interface, it has become an essential component for ensuring continuous power availability and protecting valuable electronics.
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