Contents
1 Safety rules ..................................................................................................................... 3
2 Introduction .................................................................................................................... 3
3 Switching off and unplug the battery................................................................. 4
4 Remove top cover of the UPS................................................................................. 5
5 Remove dangerous voltage .................................................................................... 6
6 Unplug the control board......................................................................................... 8
7 Programmer plug-in................................................................................................... 9
8 Firmware update .......................................................................................................11
9 Closing and testing....................................................................................................13
Modifications reserved 2 ISG_VHS_FRM_UPD_XGB_V010.doc