Apc Smart Ups Sc 450 User Manual

APC Smart-UPS. Uninterruptible Power Supply. 230 VAC User’s Manual. 990-7020C, Revision 7, 3/00. Initial Start-Up. To obtain warranty coverage, please fill out and return the warranty registration card now. Inspection Inspect the UPS upon receipt. Notify the carrier and dealer if there is damage. The packaging is recyclable; save it for reuse or dispose of it properly. Mar 26, 2014  Amazon.com: APC SC450RM1U 280W/450VA 120V 1U Rackmount UPS System: Home Audio & Theater Skip to main content. 280 Watts / 450 VA Max Configurable Power: 280 Watts / 450 VA. Small switches and networking devices with the APC Smart-UPS SC450RM1U. This UPS provides backup battery power in the event of a power outage, monitoring. If looking through the APC Smart UPS SMX750 user manual directly on this website is not convenient for you, there are two possible solutions: Full Screen Viewing - to easily view the user manual (without downloading it to your computer), you can use full-screen viewing mode.

Power protection for entry-level servers, voice and data networks

Brings Smart-UPS reliability to entry-level applications.

APC Smart-UPS SC is ideal for small and medium businesses looking to protect entry-level servers and networking equipment from power disturbances and outages. The Smart-UPS SC features network grade runtime, hot swap batteries, and built-in data line protection for worry free uninterruptible power protection for increased availability. The included PowerChute Business Edition software, which has an installed base in the millions, gives entry-level network and server users a proven UPS management solution. PowerChute Business Edition also manages other Smart-UPS models, allowing easy upgrades as applications change, without having to replace software or retrain administrators. Most Smart-UPS SC models can be installed in either a tower or rack configuration, allowing standardization across multiple applications. Built on the same standards as the award-winning Smart-UPS, with over 10 million installed, Smart-UPS SC provides the basic features and manageability needed to protect entry-level applications.

SC450RM1U - APC Smart-UPS SC 450VA 120V - 1U Rackmount/Tower

APC SmartAPC Smart-UPSUPS® SC 250/450 VA250/450 VA. Uninterruptible Power Supply Uninterruptible Power Supply. 1 Introduction The APC Uninterruptible Power Supply (UPS) is designed to prevent blackouts, brownouts, sags. The User Manual and Safety Guide are accessible on the supplied User Manuals CD and on the. User Manual Smart-UPSTM C Uninterruptible Power Supply SRC250 SRC450 110/120/230 Vac Tower/Rack-Mount 1U. 990-1852D, 10/2014 Smart-UPSTM C Uninterruptible Power Supply 250/450 VA 110/120/230 Vac Tower/Rack-Mount 1U English. 1 Introduction. Refer to www.apc.com with complex UPS problems, and for battery runtime charts. PROBLEM AND/OR POSSIBLE.

Features & Benefits:

Network manageableMonitor and control the UPS remotely via included PowerChute software or APC Network Management Card (included in all models above 3kVA).
Audible alarmsActively let you know if the unit is on battery, if the battery is low or if there is an overload condition.
Automatic self-testPeriodic battery self-test ensures early detection of a battery that needs to be replaced.
Predictive failure notificationProvides early-warning fault analysis on batteries enabling timely preventive maintenance
LED status indicatorsEnables quick understanding and response to visual indicators showing UPS status.
Serial ConnectivityProvides management of the UPS via a serial port.
InfraStruXure Manager compatibleEnables centralized management via the APC InfraStruXure® Manager.
Boost and Trim Automatic Voltage Regulation (AVR)Gives higher application availability by correcting low and high voltage conditions without using the battery.
User-replaceable batteriesBattery replacement is simple and safe, and can be performed by the end-user. A technician is not required to replace the PowerShield battery
Adjustable voltage-transfer pointsMaximizes useful battery life by widening the input voltage window or tightening the output voltage regulation.
Safety-agency approvedEnsures the product has been tested and approved to work safely with the connected service provider equipment and within the specified environment. UL, FCC, CE, C-Tick approvals.
Dataline Surge ProtectionProvides protection of connected equipment from power surges on the data lines.
Power conditioningProtects connected loads from surges, spikes, lightning, and other power disturbances.
Intelligent battery managementMaximizes battery performance, life, and reliability through intelligent, precision charging.
Automatic restart of loads after UPS shutdownAutomatically starts up the connected equipment upon the return of utility power.
Cold-start capableProvides temporary battery power when the utility power is out.
Hot-swappable batteriesEnsures clean, uninterrupted power to protected equipment while batteries are being replaced
Resettable circuit breakersEnables quick recovery from UPS overload events.

Runtime Chart:

Click here to view the Smart-UPS SC Runtime Chart. (pop-up window)



Uninterruptible Power Supply

230 VAC User’s Manual

990-7020C, Revision 7, 3/00

Initial Start-Up

To obtain warranty coverage, please fill out and return the
warranty registration card now.

Inspect the UPS upon receipt. Notify the carrier and dealer if there
is damage. The packaging is recyclable; save it for reuse or
dispose of it properly.


Install the UPS in a protected area that is free of excessive dust
and has adequate air flow. Do not operate the UPS where the
temperature and humidity is outside the specified limits.

Warning: Changes or modifications to this unit not expressly

approved by the party responsible for compliance could void

the warranty.


To install this UPS, please follow the installation instructions

in the Smart-UPS Quick Reference Guide.

This UPS is equipped with a SmartSlot for accessories. See

the APC Website (www.apcc.com) for available accessories.

Charge the battery

The UPS charges its battery whenever it is connected to utility
power. The battery will charge fully during the first 4 hours of
normal operation. Do not expect full runtime during this initial
charge period.

Rear Views

2200 and 3000 VA

1000 and 1400 VA

450 and 700 VA

Connect Computer Interface Port (Optional)

Power management software and interface kits can be used with
this UPS. Use only kits supplied or approved by the manufacturer.
If used, connect the interface cable to the 9-pin computer interface
port on the back panel of the UPS. Secure the connector’s screws
to complete the connection.

Connect Ground Leads to TVSS Connector

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The UPS features a TVSS connector for connecting the ground
lead on transient voltage surge-suppression (TVSS) devices such
as telephone and network line protectors. The TVSS connector
provides grounding through the UPS’s power cord ground
conductor. To make a connection to the TVSS connector, loosen
the screw and connect the surge suppression device’s ground lead.
Tighten the screw to secure the lead.

Battery Pack Connector (3000 VA only)
Use the battery pack connector to connect the optional
external battery pack.

Voltage Sensitivity

The UPS detects line voltage distortions such as spikes, notches,
dips, and swells, as well as distortions caused by operation with
inexpensive fuel-powered generators. By default, the UPS reacts to
distortions by transferring to on-battery operation to protect the
loads. Where power quality is poor, the UPS may frequently
transfer to on-battery operation. If the loads can operate normally
under such conditions, battery capacity and service life may be
conserved by reducing the sensitivity of the UPS.

To reduce UPS sensitivity, press the configuration button on

the rear panel. Use a pointed object such as a pen to press the
button. Press it once to set the UPS’s sensitivity to reduced. Press
it again to set the sensitivity to low. Press the button a third time to

reset normal sensitivity.

When the UPS is set to normal sensitivity, the
configuration LED is brightly lit. When it is set to
reduced sensitivity, the LED is dimly lit. When it is

set to low sensitivity, the LED is off.

Low Battery Warning Interval
By default, the low battery warning occurs when there are
approximately two minutes of on-battery run time remaining. This
may not be enough time to gracefully shut down some protected
computer systems.

To change the warning interval, press the rear panel

configuration button while pressing and holding the front-panel

on/test button.

Press the configuration button once to set the low
battery warning interval to approximately five
minutes. Press it again to set the interval to
approximately seven minutes. Press the button a

third time to reset the interval to two minutes.

Operating Instructions

Switch On — Switch Off

With the UPS plugged in, press and release the large
upper on/test button to supply power to the loads. The
loads are immediately powered while the UPS performs

a self-test.

Press and release the small, lower off button to turn off power

to the loads. It may be convenient to use the UPS as a master
on/off switch for the protected equipment.

Note: Whenever the UPS is plugged in and utility voltage is

present, the charger maintains battery charge.

The on-lineLED illuminates when the UPS is supplying

Smart ups sc 450 manual

utility power to the loads.

The UPS performs a self-test automatically when turned on, and
every two weeks thereafter (by default). Automatic self-test eases
maintenance requirements by eliminating the need for periodic
manual self-tests.
During the self-test, the UPS briefly operates the loads on-battery.
If the UPS passes the self-test, it returns to on-line operation.

If the UPS fails the self-test it immediately returns to on-

line operation and lights the replace battery LED.

The loads are not affected by a failed test. Recharge the battery
overnight and perform the self-test again. If the replace battery
LED is still on, replace the battery using the Replacing the

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The SmartTrim LED comes on to indicate that the UPS is
compensating for a high voltage.


The SmartBoost LED comes on to indicate that the UPS is
compensating for a low voltage.

On Battery

During on-battery operation, the on-battery LED illuminates and
the UPS sounds an audible alarm consisting of four beeps every 30
seconds. The alarm stops when the UPS returns to on-line

Low Battery
When the UPS is operating on-battery and the energy reserve of
the battery runs low, the UPS beeps continuously until the UPS
shuts down from battery exhaustion or returns to on-line operation.

Battery Charge Bar Graph
The 5-LED display on the right of the front panel
shows the present charge of the UPS’s battery as a
percentage of the battery’s capacity. When all five
LEDs light, the battery is fully charged. The top
LED goes out whenever the battery is not 100%
charged. When the LEDs are flashing, the battery
can supply less than the “low battery warning
interval” time for the load.

Shutdown Mode
If there is no utility power present, a host system connected to
the computer interface port can command the UPS to shut down.
This is normally done to preserve battery capacity after a
controlled shutdown of the protected system. In shutdown mode
the UPS stops supplying power to the load, waiting for the return
of utility power.

The UPS scrolls the front panel indicators sequentially in
shutdown mode. If the UPS has shutdown due to a low battery, the
UPS lights the Battery Charge Bar Graph only. When line power is
restored, the UPS returns to on-line operation.

Replace Battery

If the battery fails a 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 to
confirm replace battery conditions. The alarm stops when the
battery passes the self-test.

Load Bar Graph
The 5-LED display on the left of the front panel
shows the power drawn from the UPS by the load.
The display indicates the percentage of the UPS’s
rated capacity. For example, if three LEDs are lit, the
load is drawing between 50% and 67% of the UPS’s
capacity. If all five LEDs light, thoroughly test your
complete system to make sure that the UPS will not
become overloaded.


When loads exceed the UPS’s capacity, the overload LED
illuminates, the UPS emits a sustained tone, and the input circuit
breaker may trip (the resettable center plunger of the circuit
breaker pops out). The alarm remains on until the overload is
removed. Disconnect nonessential load equipment from the UPS
to eliminate the overload. If there is AC power and the circuit
breaker does not trip during overload, the loads are still powered.
If the circuit breaker trips and the UPS attempts to go on-battery,
the output AC will shut down.

Cold Start
When the UPS is off and there is no utility power, it is possible to
cold start the UPS to power the loads from the UPS’s battery.

Note: Cold start is not a normal condition.

Press and hold the on/test button until the UPS begins


• Release the on/test button during the beeping to start the UPS.

Utility Voltage Bar Graph
This UPS has a diagnostic feature that displays the utility voltage.
With the UPS plugged into the normal utility power, press and
hold the on/test button to see the utility voltage bar graph display.
After approximately four seconds the 5-LED display on the right
of the front panel shows the utility input voltage. Refer to the
figure below for the voltage reading.

The display indicates that the voltage is between the
displayed value from the list and the next higher value.
For example, with three LEDs lit, the input voltage is
between 230 and 247 VAC.
If no LEDs come on and the UPS is plugged into a
working AC power outlet, the line voltage is extremely
low. If all five LEDs come on, the line voltage is
extremely high and should be checked by an electrician.

Apc Smart Ups Sc 450

Note: The UPS starts a self-test as part of this procedure. The

self-test does not affect the voltage display.


Storage Conditions
Store the UPS covered and upright in a cool, dry location, with its battery fully charged. Before storing,
charge the UPS for at least 4 hours. Disconnect any cables connected to the computer interface port to
avoid unnecessarily draining the battery.

Extended storage
• At -15 to +30 °C (+5 to +86 °F), charge the UPS’s battery every 6 months.

• At +30 to +45 °C (+86 to +113 °F), charge the UPS’s battery every 3 months.





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