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The UPS is shipped with one battery wire disconnected - in compliance with Department of
Transportation (DOT) regulations. The UPS will not operate until you connect the wire to the
battery.
Back-UPS Office ®
280
Press “in” the two tabs on the UPS bottom.
Slide the plastic back off the UPS.
The UPS can be wall mounted (optional) see
mounting instructions on back.
User’s Manual
990-2051A Revision 2
1. Place the UPS to avoid:
• Direct sunlight
• Excessive heat
• Excessive humidity or contact with liquids
10/98
Flex the battery retainer to the right so that
battery can be lifted out.
Connect the battery wire to the socket on the
the battery.
Slide the plastic piece to the left until the locking
tabs lock into place.
Procedure complete.
2. Plug the UPS directly into the power outlet; not
into a surge protector or generator.
Equipment Connection Example
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A lit indicator means that a shock
hazard exists due to faulty building
wiring, that should be corrected by a
qualified electrician. Refer to Status
Indicators for more details.
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External Drive
Monitor
Computer
Three - Battery Power Supplied Outlets (solid
lines) Data sensitive equipment such as a computer,
monitor, and external drives are connected to these
outlets. When the UPS is switched “On,”
conditioned utility power is supplied. Battery
power is automatically provided in case of utility
failure. No power (utility or battery) is supplied to
these outlets when the UPS is switched “Off.”
Three - Surge Only Protected Outlets (dashed
lines) Devices like a printer, fax machine, scanner,
or even a desk lamp should be powered by these
outlets. These outlets do not provide power during
a power outage. These three outlets are powered
whenever utility power is available and the UPS
is switched “On.”
Scanner
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Socket Location: back side
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Wall Jack
Fax/Modem/Phone
1. Press the “On/Off” switch to power the
unit.
APC Back-UPS Office protects modem,
fax, or phone from surges when it is
connected through the UPS as shown in
the adjacent drawing.
Note: Telephone line surge protection can
be rendered inoperable if connections are
not made as shown.
A lit On Line (green) indicator confirms that
the UPS is “On.” All outlets are now
powered. `
External Fax
Printer
Self-Test
A UPS Self -Test is performed whenever the unit is
switched on and every two weeks of operation.
Details about Self-Test can be found in the SelfTest section.
Battery charging
• The battery charges whenever the UPS is
connected to utility power and is switched
“On.”
• UPS runtime is reduced until the battery is
fully charged (approximately four hours).
Keep the UPS “plugged in” and switched “On” to
maximize available runtime.
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The visual and audible UPS status indicators are
described below:
When the On Battery indicator is lit, follow this
procedure to shutdown the computer, UPS, and
any equipment connected to the Battery Power
Supplied Outlets.
Replace Battery (red) - This indicator
lights when a UPS Self -Test has
determined the battery is weakened by
frequent outages or is near the end of its useful
life. Leave the UPS “On” overnight to recharge,
then repeat the Self -Test. If the Replace Battery
indicator is still lit, the battery should be replaced
within two weeks (see Battery Replacement).
Failure to promptly replace the battery risks the
possibility of premature shut-down during a
power outage.
1. Save the files you are working on.
2. Exit all applications cleanly.
3. Perform an orderly shut down of the
operating system.
4. Switch “Off” all equipment connected to
the UPS.
5. Switch “Off” the UPS to maintain battery
capacity.
Note: The procedure above needs to be
completed before the battery is fully discharged.
Loss of data or corruption of the operating
system is possible if this procedure is not
completed before the battery is fully discharged.
Chirps for 1 Minute Every 5 Hours This alarm indicates the battery has
failed the Self-Test.
On Battery (yellow) - This indicator
lights when utility power is unavailable
or outside safe limits. The UPS battery is
powering the Battery Power Supplied outlets.
Four Beeps Every 30 Seconds - This
alarm indicates Battery Power Supplied
outlets are now battery powered. The alarm
ceases when the UPS returns to “On Line”
operation.
Continuous Beeping - This alarm
indicates a Low Battery condition is
reached. Battery runtime is very low.
Immediately, perform the UPS Shutdown
Procedure.
Building Wiring Fault (red) - If the
building wiring fault indicator is lit, one
of the following conditions exists:
• Open or high resistance ground
• Hot and neutral polarity reversal
• Overloaded neutral circuit
Improper building wiring will not prevent the
UPS from operating but will limit its protection
capability. Faulty building wiring could result in
equipment damage that is not covered by APC.
Please refer to APC's Equipment Protection
Policy for details.
On Line (green) - This indicator is lit whenever
the UPS is switched “On” and it is supplying
conditioned utility power to the outlets. This
indicator is unlit for approximately four seconds
during the Self -Test.
Overload Audible Indicators
Continuous Beeps for 30 Seconds This alarm indicates the UPS has
detected an overload after Self-Test.
Continuous Two-tone Beep - This
alarm indicates a severe overload is
detected while operating on-battery. The UPS
will emit this sound until the UPS shuts down.
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A Self-Test can be started at any time by
switching the UPS “Off” and then “On.” A Self Test is performed automatically every two weeks
of continuous operation.
• Perform the UPS Shutdown Procedure
before switching the UPS “Off.”
• A Self-Test should be performed with all
connected devices switched “On,”
whenever a device is first connected to a
Battery Power Supplied Outlet.
APC and UPS Office are registered trademarks
of American Power Conversion
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APC Back-UPS Office can be mounted vertically or horizontally to a wall surface. Use the template below to position the securing fasteners (not supplied) .
Note: Position the On/Off switch to the right for horizontal mounting, to the top for vertical.
Vertical Mounting
Only
Horizontal and Vertical
Mounting
Horizontal Mounting
Only
1. Hold this page against the wall with the appropriate edge parallel to the floor.
2. Use thumbtacks to hold this page in place. Make sure the template circles line up where you want
the mounting fasteners to be installed. Use a sharp nail or pin to puncture the center of each
appropriate template circle to mark the wall.
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3. Install fasteners at the marked locations. Leave the head of both fasteners 5/16" (8 mm) out from
the surface of the wall. Fasteners must be able to support 15 lb (6.8 kg).
4. Mount APC Back-UPS Office by positioning the key-hole slots over the fastener heads. For
vertical mounting, slide the unit down into place. For horizontal mounting, turn it slightly
counterclockwise until it is securely in place.
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Symptom
If APC Back-UPS Office is severely overloaded the circuit breaker will trip to disconnect the unit
from utility power. When this occurs, the button will pop up, and no outlets will provide power. If
this happens, consult the Troubleshooting section.
Possible Cause
Solution
If the UPS is switched “On,”
outlets are not working, and the
On Line indicator-unlit.
The battery wire is
not connected.
Circuit breaker popped up.
The outlets are
overloaded.
UPS does not provide expected
runtime.
The battery is not
charged.
Connect the battery wire as shown
in Step 1 of the installation
instructions (front page of the
User’s Manual.).
Unplug one piece (or more) of
equipment from the UPS and reset
the breaker by pressing the button
in.
UPS does not charge the battery
when it is turned “Off.” Always
keep the UPS “On” when utility
power is available.
After saving files and switching
“Off” the computer, switch the
UPS “Off” during extended power
failures-to conserve battery
capacity.
Unplug one piece of equipment
from the Battery Power Supplied
outlets.
1. Unplug one piece of
equipment from the Battery
Power Supplied outlets.
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The battery is
depleted by
frequent power
outages.
The APC part number for APC Back-UPS Office 280 replacement battery cartridge (RBC) is
RBC10. A replacement battery can be ordered from local retailers, APC, or the APC website.
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Battery replacement is a safe procedure, isolated from electrical hazards.
Do not replace the battery when the UPS is “On-Battery.”
Please consult the diagrams in the “Connect Battery Wire” procedure during this procedure.
UPS fails to power the connected
equipment during utility failure or
Self -Test, and beeps for 30 seconds.
On Battery indicator is lit and is
accompanied by a two-tone audible
alarm. Run time is reduced.
Procedure:
1.
2.
3.
4.
5.
6.
7.
8.
Switch “Off”, and unplug all equipment from APC Back-UPS Office.
Switch “Off” APC Back-UPS Office, and unplug it from the wall outlet.
Refer to the “Connect battery wire” (Step 1) section of the manual for instructions on
how to open the battery compartment.
Disconnect the battery wires one at a time.
Grasp each wire connector and pull straight back. Take care not to pull the wires.
Remove the old battery.
Connect the red wire to the positive (+) battery terminal of the replacement battery.
Connect the black wire to the negative (-) battery terminal.
Tip the new battery, terminal end first, into the battery compartment.
Press the battery gently until the retaining clip snaps into place.
The Battery Power
Supplied outlets
are overloaded.
The Battery Power
Supplied outlets
are severely
overloaded.
2. Perform the UPS Shutdown
Procedure
3. Switch the On/Off switch to
“Off,” and then “On” again.
If no overload alarm is sounded
when the Self-Test is completed,
the unplugged device is likely to be
responsible for the overload.
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Note: Small sparks at the battery connections are normal during connection.
9.
Slide the battery compartment cover back into place. The new battery must be
charged for at least 4 hours before full runtime can be expected.
Note: If the UPS requires service, do not return it to the dealer! The
following steps should be taken.
1. Consult the Troubleshooting section to eliminate common problems.
Note: The spent battery must be recycled. Deliver the battery to an appropriate
recycling facility or return it (in the new battery’s packing material) to APC. See
the new battery instructions for additional recycling information.
• Record the model number of the UPS, the serial number, and the date purchased. Be
prepared to troubleshoot the problem over the telephone with a technician If this is not
successful, the technician will issue a Return Merchandise Authorization Number (RMA#)
and a shipping address.
Before storing, charge the UPS for at least 10 hours.
Store the UPS covered and upright in a cool, dry location.
Recharge Frequency
Every 6 Months
Every Month
Charging Duration
10 Hours
10 Hours
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Acceptable Input Voltage
“On Battery” Output Voltage
Frequency Limits (“On Line”)
Maximum Load - Battery Power
Supplied Outlets
Maximum Load - Surge Protected Only
Outlets
Typical Recharge Time
Operating /Storage Temperature
Operating and Storage Relative
Humidity
Operating Elevation/ Storage Elevation
UPS Size (H x W x D) excluding cord
UPS Weight / Shipping Weight
EMI Classification
3. If the problem persists, consult the APC web site (www.apcc.com) or contact APC at
(800-800-4272).
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Extended Storage
Storage Temperature
5 to 86 oF
(-15 to 30 oC)
o
86 to 113 F (30 to 45 oC)
2. Verify that the circuit breaker is not tripped. A tripped circuit breaker is the most common UPS
problem!
0 - 150 Vac, Single Phase
109-121 Vac
57 - 63 Hz
280 VA, 170 W
10 A
12 hours from total discharge
32 to 95°F (0 to 35°C) / 5 to 113°F (-15 to 45°C)
0 to 95%, non-condensing
0 to +10,000 ft (0 to +3,000 m)
0 to +50,000 ft (0 to +15,000 m)
2.7 x 17.0 x 7.0 in (6.9 x 43.2 x 17.8 cm)
8.0 lb (3.6 kg)
8.5 lb (3.9 kg)
FCC/DOC Class B
4. If customer service troubleshooting is unsuccessful:
• If the UPS is under warranty, repairs are free.
• If the warranty has expired, there is a repair charge.
5. Disconnect the black wire from the UPS battery.
Department of Transportation (DOT) regulations require that the black battery wire be
disconnected before shipping the UPS back to APC. The “Connect Battery Wire”
instructions and graphics on the front page show how to access the wire.
6. Pack the UPS in its original packaging. If the original packing is not available, ask customer
service about obtaining a new set. Pack the UPS properly to avoid damage in transit.
Note: Never use Styrofoam™ beads for packaging. Damage sustained in transit is not covered
under warranty (insuring the package for full value is recommended).
7. Write the RMA# on the outside of the package.
8. Return the UPS by insured, prepaid carrier to the address given to you by customer service.
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Users must contact customer service to troubleshoot the unit before returning the unit to APC. The
standard warranty is 2 years from date of purchase. APC’s standard procedure is to replace the
original unit with a factory reconditioned unit. Customers who must have the original unit back due
to assigned asset tags and set depreciation schedules must declare such a need at first contact with
APC Customer Service. APC will ship out the replacement unit once the defective unit has been
received by the repair department or cross ship upon the provision of a valid credit card number.
The customer pays for the shipping to APC, and APC pays ground freight transportation costs back
to the customer.
Internet and
Tech Support
USA/Canada …………….
1.800.800.4272
Mexico……………………
292.0253 / 292.0255
Brazil …………………….
0800.12.72.1
Worldwide ………………
1.401.789.5735
http://www.apcc.com