KACO Powador XP500-XP550-HV TL - Manual (Page 56)

Page 56 Operating Instructions Powador XP500/550-HV-TL
Maintenance/Cleaning
7 Maintenance/Cleaning
Maintenance must be performed on the inverter at regular intervals (Table 11 shows the maintenance schedule).
DANGER
Lethal voltages are still present in the terminals and lines of the inverter even after the
inverter has been switched off and disconnected!
Coming into contact with the lines and terminals in the inverter will cause serious injury
or death.
Only authorised electricians who are approved by the supply grid operator may open,
install and maintain the inverter.
› Keep all doors and covers closed when the unit is in operation.
› Do not touch the lines and terminals when switching the unit on and off!
Switch off the inverter
" Press the MMI OFF button (Stop the inverter).
" Switch the CB20 to OFF.
" Switch the Power grid switch to OFF (disconnect the inverter from the grid).
" Switch the DC disconnector to OFF (disconnect the inverter from the PV generator).
" Make sure that the inverter is disconnected from all voltage sources.
" Please open the door, switch the CB33 to OFF.
" Wait at least ten minutes before working on the inverter.
Switch on the inverter
" Switch the CB33 to ON.
" Switch the Power grid switch to ON (connect the inverter to the grid).
" Switch the DC disconnector to ON (connect the inverter to the PV generator).
" Switch the CB20 to ON.
" Press the MMI ON button.