Page 2 - Battery capacity % level
Liebert Nfinity UPS Guide Specification 4kVA –20kVA (208/120 or 240/120) 4/03 Rev 2 SL-23956 2 D. Automatic Restart - After a utility AC power outage and complete battery discharge, the UPS will automatically restart and resume supplying power to the critical load. In addition, the battery charger w...
Page 3 - : To within 1% of steady state output voltage within 96
Liebert Nfinity UPS Guide Specification 4kVA –20kVA (208/120 or 240/120) 4/03 Rev 2 SL-23956 3 B. Voltage Regulation : +/- 3% steady state. C. Frequency Regulation : 60 Hz, +/- 0.5%. D. Frequency Slew Rate : field selectable from 0.5 to 5.0 Hz maximum per second. E. Bypass Frequency Synchronization ...
Page 4 - The UPS is cooled by forced air via internally mounted fans.
Liebert Nfinity UPS Guide Specification 4kVA –20kVA (208/120 or 240/120) 4/03 Rev 2 SL-23956 4 1.5 USER DOCUMENTATION The specified UPS system is supplied with one (1) user's manual. Manuals include installation drawings and instructions, a functional description of the equipment with block diagrams...
Page 5 - er
Liebert Nfinity UPS Guide Specification 4kVA –20kVA (208/120 or 240/120) 4/03 Rev 2 SL-23956 5 C. Input Protection The UPS has built-in protection against undervoltage, overcurrent, and overvoltage conditions including low-energy surges introduced on the primary AC source and the bypass source. The ...
Page 6 - Audible Alarms
Liebert Nfinity UPS Guide Specification 4kVA –20kVA (208/120 or 240/120) 4/03 Rev 2 SL-23956 6 The UPS fault indicator is used with additional indicators and audible alarms to notify the user that a UPS fault condition has occurred. The color of the fault indicator LED is amber. Replace Battery Modu...
Page 7 - Input circuit breaker is closed; General
Liebert Nfinity UPS Guide Specification 4kVA –20kVA (208/120 or 240/120) 4/03 Rev 2 SL-23956 7 2.2.5 Remote Emergency Power Off (REPO) The remote emergency power off function (REPO) allows the user to disable all UPS outputs in an emergency situation. The REPO, in order to be flexible, will be able ...
Page 8 - Internal Battery
Liebert Nfinity UPS Guide Specification 4kVA –20kVA (208/120 or 240/120) 4/03 Rev 2 SL-23956 8 bypass. The manual bypass does not wrap around the EMI filtering, overcurrent protection or isolation transformer. The UPS will initiate an audible alarm upon transfer to manual bypass. The audible alarm i...
Page 9 - Network Communications; With Isolation Transformer 26” W x 19” D x 12” H; Configurable Output Distribution
Liebert Nfinity UPS Guide Specification 4kVA –20kVA (208/120 or 240/120) 4/03 Rev 2 SL-23956 9 2.3.4 Network Communications The user has the option of installing an optional Intellislot card to provide HTTP supported SNMP communication over a local area network. This card supports 10/100Mbit Etherne...