User Manual
3
Contents
Safety................................................................ ................................ ................................ ..................... 5
EMC ................................................................ ................................ ................................ .................... 5
Warning symbols ................................................................ ................................ ................................ . 5
Product description ................................................................ ................................ .............................. 6
Applications ................................................................ ................................ ................................ ......... 6
Product range ................................................................ ................................ ................................ ...... 6
System block diagram ................................................................ ................................ .......................... 7
Features ................................................................ ................................ ................................ .............. 7
Installation ................................................................ ................................ ................................ ............. 8
Siting considerations ................................................................ ................................ ............................ 8
Wiring considerations ................................................................ ................................ ........................... 8
Operation from a generator ................................................................ ................................ .................. 9
Circuit breaker and cable sizes................................................................ ................................ ............. 9
Unpacking the UPS ................................................................ ................................ .............................. 9
Rear panel layout ................................................................ ................................ ............................... 10
Wiring the UPS ................................................................ ................................ ................................ .. 11
Wiring units in parallel ................................................................ ................................ ........................ 12
Operation................................................................ ................................ ................................ ..............14
Working modes ................................................................ ................................ ................................ .. 14
On-Line mode ................................................................ ................................ ................................ .............. 14
Bypass mode ................................................................ ................................ ................................ ............... 14
Battery mode ................................................................ ................................ ................................ ................ 14
ECO mode ................................................................ ................................ ................................ ................... 14
Before switch on ................................................................ ................................ ................................ 15
Switching on the UPS ................................................................ ................................ ........................ 15
Switching off the UPS ................................................................ ................................ ........................ 16
Swapping out a UPS on a live system ................................................................ ................................ 16
Front panel controls and indicators ................................................................ ................................ ..... 17
Navigating the system menu ................................................................ ................................ ......................... 18
Figure menu items ................................................................ ................................ ................................ ........ 18
Status menu items ................................................................ ................................ ................................ ........ 18
Setting menu items ................................................................ ................................ ................................ ....... 19
LCD display messages ................................................................ ................................ ................................ . 21
Maintenance ................................................................ ................................ ................................ .........22
Fan ................................................................ ................................ ................................ .................... 22
Battery ................................................................ ................................ ................................ ............... 22
External battery change ................................................................ ................................ ..................... 22
Visual check................................................................ ................................ ................................ ....... 22
UPS status check ................................................................ ................................ ............................... 22
Function check ................................................................ ................................ ................................ ... 22
VFI-KT Series User Manual