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User Manual
English
®
APC Smart-UPS SC
250/450 VA
110/120/230 Vac
1U Rack-Mount/Tower
Uninterruptible Power Supply
990-1852B, 05/2005
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Introduction The APC Uninterruptible Power Supply (UPS) is designed to prevent blackouts, brownouts, sags, and surges from reaching your equipment. The uninterruptible power supply (UPS) filters small util- ity line fluctuations and isolates your equipment from large disturbances by internally disconnecting from the utility line. The UPS provides continuous power from its internal battery until the utility line returns to safe levels or the battery is fully discharged. 1: INSTALLATION T
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Rack-Mounting Two-post rack-mounting: Utilize the bracket holes that are offset 6.25”. Secure clip-nuts to the rack, and attach brackets with provided screws. 2
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Tower Configuration Attention: Connect the battery before tower setup by referring to applicable steps in Rack- Mounting. 3
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Wall Mounting Attention: Connect the battery before mounting by referring to applicable steps in Rack- Mounting. To avoid a safety hazard, do not mount the unit on the wall with the bezel facing downwards, or with the display panel at the bottom. Note: Whenever possible, attach two screws into wall studs. If stud mounting is not possible, use an expandable wall anchor. Hardware is not included; .25” x 2” lag bolts are recommended. Mount the UPS in either of the displayed position
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2: START UP Connect Equipment to the UPS Rear Panels 110/120 V: 230 V: Note: A laser printer draws significantly more power than other types of equipment and may over- load the UPS. Connect the UPS to the Network (if Applicable) Serial Port Telephone/ Network Surge Suppression Ports Use only interface kits approved by APC. Use only the supplied cable to connect to the Serial Port. A standard serial interface cable is incompatible with the UPS. The UPS features optional tele
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3: OPERATION Front Display Panel INDICATOR DESCRIPTION Online The UPS is supplying utility power to the connected equipment. On Battery The UPS is supplying battery power to the connected equipment. Overload The connected loads are drawing more than the UPS power rating. Replace Battery The battery must be replaced. FEATURE FUNCTION Power Button Press this button to turn the UPS on or off. (Read on for additional capabilities.) Self-Test Automatic: The UPS performs
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4: USER CONFIGURABLE ITEMS NOTE: SETTINGS ARE ADJUSTED THROUGH POWERCHUTE SOFTWARE FACTORY USER SELECTABLE FUNCTION DESCRIPTION DEFAULT CHOICES Automatic Every 14 days Every 7 days Set the interval at which the UPS will Self-Test (336 hours) (168 hours), execute a self-test. On Startup Only, No Self-Test UPS ID UPS_IDEN Up to eight charac- Uniquely identify the UPS, (i.e. server ters (alphanumeric) name or location) for network man- agement purposes. Date of Last Manufactur
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NOTE: SETTINGS ARE ADJUSTED THROUGH POWERCHUTE SOFTWARE FACTORY USER SELECTABLE FUNCTION DESCRIPTION DEFAULT CHOICES Synchronized 0 seconds 0, 60, 180, 300 Specify the time the UPS will wait Turn-on Delay seconds after the return of utility power before turn-on (to avoid branch circuit over- load). High Transfer 110/120 V model: 110/120 V model: Set the high transfer point higher to Point 127 Vac 127, 130, 133, 136 avoid unnecessary battery usage when Vac the utility voltage is usu
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5: STORAGE AND MAINTENANCE Storage Store the UPS covered in a cool, dry location, with the battery fully charged. At -15 to +30 °C (+5 to +86 °F), charge the UPS battery every six months. At +30 to +45 °C (+86 to +113 °F), charge the UPS battery every three months. Battery Replacement The UPS battery life differs based on usage and environment. Consider replacing the battery every three years. This UPS has an easy to replace, hot-swappable battery. Replacement is a safe procedure, isol
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6: TROUBLESHOOTING, SHIPPING, AND SERVICE Use the chart below to solve minor UPS installation and operation problems. Refer to www.apc.com with complex UPS problems, and for battery runtime charts. PROBLEM AND/OR POSSIBLE SOLUTION CAUSE UPS WILL NOT TURN ON UPS not connected to utility Check that the power cord from the UPS to the utility power supply is se- power supply. curely connected at both ends. Battery not connected prop- Check that battery connector is engaged. erly. Very
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PROBLEM AND/OR POSSIBLE SOLUTION CAUSE THE OVERLOAD LED IS ILLUMINATED AND THE UPS EMITS A SUSTAINED ALARM TONE The UPS is overloaded. The The connected equipment exceeds the specified “maximum load.” connected equipment is draw- The alarm remains on until the overload is removed. Disconnect nonessen- ing more VA than the UPS can tial equipment from the UPS to eliminate the overload. sustain. The UPS continues to supply power as long as it is online and the circuit breaker does not tr
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Shipping and Service Prepare the UPS for shipping: Shutdown and disconnect any equipment attached to the UPS. Shut down the UPS, and disconnect the UPS from the utility power outlet. Disconnect the battery. If the UPS requires service do not return it to the dealer. Follow these steps: 1. Review the problems discussed in Troubleshooting to eliminate common problems. 2. If the problem persists, contact APC Customer Service through the APC web site, www.apc.com/support. n Note the model
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7: REGULATORY AND WARRANTY INFORMATION 110/120 V models This equipment has been tested and found to comply with the limits for a Class A digital device, pur- suant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, ma
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Limited Warranty American Power Conversion (APC) warrants its products to be free from defects in materials and workmanship for a period of two years from the date of purchase. Its obligation under this warranty is limited to repairing or replacing, at its own sole option, any such defective products. To obtain service under warranty you must obtain a Returned Material Authorization (RMA) number from customer support. Products must be returned with transportation charges prepaid and must
