Liebert 7200 Series - Page 8

7200 Series UPS USER MANUAL
document in response to "powersure ups"
Page vi
Issue 6
(03/98)
4.7 Input Harmonic filter ............................................................................................................................................... 4-19
4.7.1 Introduction ...................................................................................................................................................... 4-19
4.7.2 Specification ..................................................................................................................................................... 4-19
4.7.3 Notes on connection ......................................................................................................................................... 4-19
4.8 Communications Kits (4645102 U) ......................................................................................................................... 4-21
5. Chapter 5 - Maintenance.............................................................................................................................................. 5-1
5.1 Introduction ............................................................................................................................................................... 5-1
5.2 Safety Precautions ..................................................................................................................................................... 5-1
5.3 Scheduled Maintenance ............................................................................................................................................. 5-1
5.3.1 Daily checks........................................................................................................................................................ 5-1
5.3.2 Weekly checks .................................................................................................................................................... 5-2
5.3.3 Annual Service.................................................................................................................................................... 5-2
5.3.4 Extended service................................................................................................................................................. 5-3
5.3.5 Battery maintenance............................................................................................................................................ 5-3
5.4 UPS status parameters ............................................................................................................................................... 5-4
6. Chapter 6 - Trouble shooting ....................................................................................................................................... 6-1
6.1 Trouble shooting UPS Systems ................................................................................................................................. 6-1
6.1.1 Operating parameters and limitations ................................................................................................................. 6-1
6.1.2 General Trouble shooting Procedure .................................................................................................................. 6-1
6.2 LED interpretation..................................................................................................................................................... 6-3
6.3 Display panel message interpretation......................................................................................................................... 6-4
7. Chapter 7 - 1+1 Parallel System .................................................................................................................................. 7-1
7.1 Generality .................................................................................................................................................................. 7-1
7.2 Installation procedure (Separete batteries)................................................................................................................. 7-4
7.2.1 Preliminary Checks............................................................................................................................................. 7-4
7.2.2 Power cables ....................................................................................................................................................... 7-4
7.2.3 Control cables ..................................................................................................................................................... 7-6
7.3 System start-up and shutdown procedures (Separate batteries) ................................................................................. 7-7
7.3.1 System start-up ................................................................................................................................................... 7-7
7.3.2 Switching the system to maintenance bypass from normal operation. ................................................................ 7-7
7.3.3 Switching the system ON from a maintenance power down condition. .............................................................. 7-7
7.3.4 Switching OFF and isolating one UPS while the other remains in service. ........................................................ 7-7
7.3.5 Switching ON a UPS that was previously switched OFF and isolated from the system. .................................... 7-7
7.3.6 Complete system shutdown................................................................................................................................. 7-8
7.4 Installation procedure (Common battery) .................................................................................................................. 7-9
7.4.1 Connection between UPS and “battery auxiliary distribution box” .................................................................... 7-9
7.5 System start-up and shutdown procedures (Common battery)................................................................................. 7-12
7.5.1 System start-up ................................................................................................................................................. 7-12
7.5.2 System maintenance by-pass configuration procedure...................................................................................... 7-12
7.5.3 Procedure to switch the system from the maintenance by-pass mode to the normal operating
condition .................................................................................................................................................................... 7-12
7.5.4 Switching OFF and isolating isolation one UPS while the other remains in service......................................... 7-13
7.5.5 Switching ON a UPS that was previously switched OFF and isolated from the system. .................................. 7-13
7.5.6 Complete system shutdown............................................................................................................................... 7-13
8. Chapter 8 - Specification Single Module..................................................................................................................... 8-1