KACO blueplanet 1502xi - Manual (Page 41)

Page 38 38 31000770-02-112609 blueplanet Operating and Installation Instructions 1502xi - 5002xi
Section 7 · Maintenance
7 Maintenance
!
DANGER
– Risk of fatal injury by electric shock at live
connections. Lethal voltages are still present in
the inverter and the connection box even after the
electrical connections have been disconnected.
– Wait five minutes before reaching into the
inverter and the connection box.
– When working on the photovoltaic modules, the
current must be switched off on the inverter and
the solar installation with the aid of the AC/DC
disconnect switch on the connection box.
ACTION
Switch off the line voltage and the solar generator with the
aid of the AC/DC disconnector (I = on or energized / O =
off or deenergized).
7.1 Cleaning the fan
If the fan is only covered with loose dust, it can be cleaned with
the help of a vacuum cleaner or a soft brush.
If the fan is very dirty, or if it s defective, it can be removed.
7.2 Removing the fan
If the fan is very dirty or defective, proceed as follows:
!
DANGER
Danger due to lethal voltages.
1. Switch the DC/AC disconnect to the OFF (0) position to
de-energize the inverter and lock out to prevent inadvertent
energizing of the inverter during service.
2. Wait 5 minutes for the internal components of the
inverter to discharge.
3. Remove the two inverter hinged door screws and open
door.
4. Disconnect the fan connections
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