Related Manuals for NEC 500 UPS
Summary of Contents for NEC 500 UPS
- Page 1 NEC 500 UPS Uninterruptible Power Supply 100 VAC User’s Manual 990-5021, Revision 1, 12/98 N8580-31...
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Page 2: About Your New Ups
Important! Please read and save this manual. It provides installation and operating instructions that will help you get the fullest performance and service life from your UPS. About Your New UPS This Uninterruptible Power Supply (UPS) is designed to prevent blackouts, brownouts, sags and surges from reaching your computer and other valuable electronic equipment. -
Page 3: Table Of Contents
Table of Contents About Your New UPS ..............................i 1. Safety..................................1 2. Attention from the Safety Point of View .........................2 3. Attention from the Operational and Maintenance Points of View ...............3 4. Before Installing ...............................3 5. Name and Function of Parts ...........................4 6. -
Page 4: Safety
1. Safety... -
Page 5: Attention From The Safety Point Of View
2. Attention from the Safety Point of View This section contains important instructions that should be followed during installation and maintenance of the NEC 500 and batteries. It is intended for customers who setup, install, relocate, or maintain APC equipment. -
Page 6: Attention From The Operational And Maintenance Points Of View
3. Attention from the Operational and Maintenance Points of View Please charge the battery. The battery may not be fully charged when your UPS arrives. Please allow four to six hours for charging. To turn off the UPS, set the Enable switch to OFF. Pressing the Off button, does not turn off the UPS. -
Page 7: Name And Function Of Parts
5. Name and Function of Parts 1) Front View 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 beeps and performs a self-test. Press and release the small, lower off button to turn off power to the loads. - Page 8 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.
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Page 9: Installation
2) Rear View 500 VA Computer Interface Port 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. -
Page 10: Operating Instructions
7. Operating Instructions With the UPS plugged in, press and release the large upper on/test button to supply power to the loads. Press and release the small, lower off button to turn off power to the loads. Note: Whenever the UPS is plugged in and utility voltage is present, the charger maintains battery charge. The on-line LED illuminates when the UPS is supplying utility power to the loads. -
Page 11: Function
8. Function Self-test The UPS performs a self-test automatically when turned on with the enable switch (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. -
Page 12: Abnormal Conditions And Protection Functions
9. Abnormal Conditions and Protection Functions Smart Boost / Smart Trim The SmartBoost LED comes on to indicate that the UPS is compensating for a low voltage The SmartTrim LED comes on to indicate that the UPS is compensating for a high voltage. Overload When the UPS is overloaded (when the connected loads exceed the maximum specified in the “maximum load”... -
Page 13: Troubleshooting
10. Troubleshooting Use the chart below to solve minor UPS installation problems. Contact NEC Technical Support Staff for assistance with complex UPS problems. Problem and Possible Cause Solution UPS will not turn on. Set the UPS enable switch to 1. Set the Auto/Local switch to Local. Then On/test button not pushed. -
Page 14: Maintenance And Checks
11. Maintenance and Checks Storage 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. 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. -
Page 15: Specifications
15.8 x 13.7 x 35.8 cm. (6.2 x 5.4 x 14.1 in.) Weight - net (shipping) 11.6 (12.9) kg. 25.5 (28.5) lb. Safety approvals Listed to UL 1778 EMC verification VCCI Class 2 © NEC Corporation 1998 990-5021, Revision 1, 12/98 N8580-31...