American Power Conversion 280 User Manual
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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.
Press “in” the two tabs on the UPS bottom.
Slide the plastic back off the UPS.
Flex the battery retainer to the right so that
Connect the battery wire to the socket on the
battery can be lifted out.
Slide the plastic piece to the left until the locking Procedure complete.
tabs lock into place.
1.Place the UPS to avoid:
∙Excessive humidity or contact with liquids
The UPS can be wall mounted (optional) see mounting instructions on back.
2.Plug the UPS directly into the power outlet; not into a surge protector or generator.
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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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Socket Location: back side
Note: Telephone line surge protection can be rendered inoperable if connections are not made as shown.
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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.”
Equipment Connection Example
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1.Press the “On/Off” switch to power the unit.
A lit On Line (green) indicator confirms that the UPS is “On.” All outlets are now powered. `
A UPS Self
∙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:
Replace Battery (red) - This indicator
lights when a UPS Self
then repeat the Self
Chirps for 1 Minute Every 5 Hours -
This alarm indicates the battery has failed the
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
Overload Audible Indicators
Continuous Beeps for 30 Seconds - This alarm indicates the UPS has
detected an overload after
will emit this sound until the UPS shuts down.
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.
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 completedbefore 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.
∙Perform the UPS Shutdown Procedure before switching the UPS “Off .”
APC and UPS Office are registered trademarks of American Power Conversion
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Note: Position the On/Off switch to the right for horizontal mounting, to the top for vertical.
Horizontal and Vertical
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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The APC part number for APC
Battery replacement is a safe procedure, isolated from electrical hazards.
Do not replace the battery when the UPS is
Please consult the diagrams in the “Connect Battery Wire” procedure during this procedure.
1.Switch “Off”, and unplug all equipment from APC
2.Switch “Off” APC
3.Refer to the “Connect battery wire” (Step 1) section of the manual for instructions on how to open the battery compartment.
4.Disconnect the battery wires one at a time.
5.Grasp each wire connector and pull straight back. Take care not to pull the wires.
6.Remove the old battery.
7.Connect the red wire to the positive (+) battery terminal of the replacement battery. Connect the black wire to the negative
8.Tip the new battery, terminal end first, into the battery compartment. Press the battery gently until the retaining clip snaps into place.
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: 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.
Before storing, charge the UPS for at least 10 hours.
Store the UPS covered and upright in a cool, dry location.
5 to 86oF
Every 6 Months
86 to 113oF
(30 to 45oC)
Acceptable Input Voltage
“On Battery” Output Voltage
Frequency Limits (“On Line”)
Maximum Load - Battery Power
Maximum Load - Surge Protected Only
Typical Recharge Time
Operating /Storage Temperature
Operating and Storage Relative
Operating Elevation/ Storage Elevation
UPS Size (H x W x D) excluding cord
UPS Weight / Shipping Weight
0 - 150 Vac, Single Phase
57 - 63 Hz
280 VA, 170 W
12 hours from total discharge
32 to 95°F (0 to 35°C) /
5 to 113 °F
0 to 95%,
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
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.
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).
If the UPS is switched “On,”
The battery wire is
Connect the battery wire as shown
outlets are not working, and the
in Step 1 of the installation
instructions (front page of the
Circuit breaker popped up.
The outlets are
Unplug one piece (or more) of
equipment from the UPS and reset
the breaker by pressing the button
UPS does not provide expected
The battery is not
UPS does not charge the battery
when it is turned “Off.” Always
keep the UPS “On” when utility
power is available.
UPS fails to power the connected equipment during utility failure or Self
On Battery indicator is lit and is accompanied by a
The battery is depleted by frequent power outages.
The Battery Power Supplied outlets are overloaded.
The Battery Power Supplied outlets are severely overloaded.
After saving files and switching “Off” the computer, switch the UPS “Off” during extended power
Unplug one piece of equipment from the Battery Power Supplied outlets.
1.Unplug one piece of equipment from the Battery Power Supplied outlets.
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
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.
2.Verify that the circuit breaker is not tripped. A tripped circuit breaker is the most common UPS problem!
3.If the problem persists, consult the APC web site (www.apcc.com) or contact APC at
∙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.
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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292.0253 / 292.0255