KACO Powador XP500-XP550-HV TL outdoor - Manual (Page 54)

Operating Instructions Powador XP500/550-OD-TL Page 55
M a i n t e n a n c e / C l e a n i n g
7.1 Maintenance intervals
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 authorized electricians who are approved by the supply grid operator may open,
install and maintain the inverter.
›
Do not touch the lines and terminals when switching the unit on and off. Do not
touch exposed contact connections.
›
Always shut down the inverter prior to cleaning or maintenance.
NOTE
Even between maintenance intervals, pay attention to any unusual behaviour that the inverter
displays during operation, and fi x the problem immediately.
Recommended
Maintenance-inter-
vals
Maintenance work
6 months* Cleaning or replacement Filter mats in the air intake fi lter
6 months Cleaning Inside of the cabinet
Fans
12 months* Function check Emergency stop (OFF)
12 months Cleaning Power section of the heat sink
12 months Visual inspection Contact connection
Fuses
Switches
Overvoltage protection
Redundant auxiliary power supplies
Check all parts in the cabinet for
– Heavy dust deposits and soiling
– Moisture (especially water that has
permeated from the outside)
Visual inspection
(and replacement, if necessary)
All warning labels
Function check Fans
Door contacts
Operating lights and fault lights
12 months Torque check Input, output, Check the status of the screws
*If heavy soiling is present at the installation location, you may need to shorten the maintenance interval.
Table 11: Maintenance intervals