Replacing Overvoltage Protection; Shutting Down For Maintenance / Troubleshooting - Kaco blueplanet 87.0 TL3 Mode D'emploi

Removing the fans
↻ A check has been performed to ensure there is no AC/DC voltage present.
↻ Cover hood for fans removed.
1 Wait until the 3 fans have stopped rotating.
2 Rotate the defective fan through approx. 10° in the clockwise direction and re-
move it carefully using the collar.
3 Release the interlock and remove the connector plug from the inside of the
housing.
4 Remove the fan.
5 If necessary, clean the heat sink from above.
» Install the replacement fan.
Fitting the cover
↻ The fan has been correctly installed and all impurities in the area of the cover
have been removed.
1 Lift up the cover from both sides, place it on the mounting clips and carefully
press it in.
2 Insert the fastening screws into the cover on both sides and tighten them [
_T20 / 2.2 Nm].
» You may now start up the device Start-up.
7.4

Replacing overvoltage protection

Replacing the DC overvoltage protection
F NOTE: If the status "defective" appears in the status indicator of the over-
voltage protection module, then it must be replaced.
↻ NOTE: A check has been performed to ensure there is no AC/DC voltage
present.
1 Open the device Opening the device [See section 6.2} Page 16].
2 Unlock the defective modules via the locking latch using a screwdriver.
3 Remove the defective modules one-by-one out of the DC base and replace with
a module of the same type.
NOTE: The coding at the base plug-in position must match the coding on the
module.
4 Insert the DC overvoltage protection modules into the DC base one after an-
other.
5 Lock the new modules via the locking latch using a screwdriver.
6 Ensure that all protective elements are properly secured.
» Proceed with the installation of the device.
7.5

Shutting down for maintenance / troubleshooting

NOTE: Shutdown sequence
1 Switch off the grid voltage by turning off the external circuit breakers.
2 Disconnect the DC side using the DC isolator switch.
» After shutdown, wait at least 5 minutes before opening the device.
KACO blueplanet 87.0 TL3 KACO blueplanet 92.0 TL3 KACO blueplanet 110 TL3 KACO blueplanet 125 TL3
KACO blueplanet 137 TL3 KACO blueplanaet 150 TL3
1
2
Fig. 23: Removing the fans
1 Fans
2 Connector
2
Fig. 24: Fitting the cover
2 Fastening screw
2
3
1
Fig. 25: Inserting overvoltage mod-
ules
1 DC base
DC overvoltage protection
2
module (3 slots)
3 Short-circuit bridge
EN
Page 25