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.
1
2
Fig. 93:
Removing the fans
1
Fans
2
Connector
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 / 22 In-Ibs ].
»
You may now start up the device Start-up [See section 8
2
Fig. 94:
Fitting the cover
2
Fastening screw
11.4
Replacing overvoltage protection
Replace the DC overvoltage protection
F
NOTE: If a fault appears on the status display of the overvoltage protection
mode, the overvoltage protection should be replaced.
↻
NOTE: A check has been performed to ensure there is no AC/DC voltage
present.
1 Opening the device Opening the device [See section 7.2
2 Unlock faulty modules via the locking latch.
3 Remove faulty modules individually from the DC base and replace with a mod-
ule 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 Secure new modules using the locking latch.
6 Ensure that all protective elements are properly secured.
»
Proceed with the installation of the device.
1
3
2
Fig. 95:
Inserting overvoltage mod-
ules
1
DC base
2
DC overvoltage protection
module (3 slots)
3
Jumper
11.5
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 external DC isolator switch.
DANGER! The DC cables are still live
KACO blueplanet 87.0 TL3 KACO blueplanet 92.0 TL3 KACO blueplanet 110 TL3 KACO blueplanet 125 TL3
KACO blueplanet 137 TL3 KACO blueplanet 150 TL3
Page 88
EN-US