Replacing Overvoltage Protection; Shutting Down For Maintenance / Troubleshooting - Kaco blueplanet 87.0 TL3 M1 WM OD IIF0 Manual

11 | Maintenance and troubleshooting
Removing the fans
↻ A check has been performed to ensure there is no AC/DC voltage present.
↻ DANGER! Risk of injury from starting fans: If the device is not com-
pletely disconnected from the voltage source, the fan may start up
unexpectedly and sever or injure limbs. This may also cause damage
to the fan and impair the functionality of the device.
↻ 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.
ð 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 / 22 In-Ibs ].
ð You may now start up the device [See section 8} Page 35].
11.4

Replacing overvoltage protection

DC overvoltage protection
F NOTE: If the status "defective" appears in the status indicator of the
overvoltage protection module, then it must be replaced.
↻ NOTE: A check has been performed to ensure there is no AC/DC volt-
age present.
1. [See section 7.2} Page 22].
2. Unlock faulty modules via the locking latch.
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 cod-
ing 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.
ð Proceed with the installation of the device.
11.5

Shutting down for maintenance / troubleshooting

Shutdown sequence
1. Switch off the grid voltage by turning off the external circuit breakers.
Page 92
Manual
1
Fig. 104: Removing the fans
1 Fans
2 Connector
2
Fig. 105: Fitting the cover
2 Fastening screw
2
1
Fig. 106: Inserting overvoltage modules
1 DC base
2 DC overvoltage protection
module (3 slots)
3 Jumper
KACO blueplanet 110 TL3 KACO blueplanet 125 TL3 US
2
3