Shutting Down For Maintenance And Troubleshooting - Kaco Powador 2002 Operating Manual

Maintenance/Troubleshooting
Authorised electrician
Figure 33: Removing the fan cover
Removing the fans
 Disconnect the fan from all power sources and wait until the fan no longer turns.
 Disconnect the fan plug.
 Loosen four screws on housing fl oor.
» Fan can be removed along with cover (see Figure 33). Clean the fan with a soft brush or moist cloth.
 Install fan after cleaning.
9.3

Shutting down for maintenance and troubleshooting

DANGER
Lethal voltages are still present in the terminals and cables of the inverter even after the
inverter has been switched off and disconnected.
Severe injuries or death may occur if the cables and terminals in the inverter are touched.
Only authorised electricians who are approved by the supply grid operator may open and maintain
the inverter.
› Observe all safety regulations and the currently applicable technical connection specifi cations of
the responsible power supply company.
› Disconnect the AC and DC sides.
› Secure the AC and DC sides from being inadvertently switched back on.
› Do not open the inverter until after these two steps are complete.
› After shutdown, wait at least 30 minutes before working on the inverter.
CAUTION
Destruction of the DC connection
The connection terminals can be destroyed by arcing if disconnected while still live.
› It is essential that the shutdown sequence is carried out in the correct order.
Page 44 Operating Instructions for Powador 2002-6002_EN