Shutting Down For Maintenance / Troubleshooting - Kaco Blueplanet 50.0TL3 Operation Instruction Manual

Operating Instruction I
2. Open the relevant DC fuse holder.
3. Use a multimeter to check the DC fuse for flow.
- Flow: Reinsert DC fuse in the fuse holder and close.
- No flow: Replace DC fuse.
4. Check for other sources of interference on the DC string (fault on cable/modules / DC plugs (XL version), polarity and
design)
Replacing the string fuses
1. Remove defective DC fuse from the fuse holder.
. NOTE: DC fuses can be ordered from the KACO customer service
team.
2. Insert DC fuse of the same type into the fuse holder.
3. Ensure the DC fuse holder is completely closed after fitting.
ð Fuse holders are fitted with fuses. Close the housing door and switch on the in-
verter as described in chapter .
7.5

Shutting down for maintenance / troubleshooting

DANGER
Lethal voltages are still present in the connections and cables of the device even after the device
has been switched off and disconnected!
Severe injuries or death may occur if the cables and/or terminals/busbars in the device are touched.
Only appropriately qualified electricians authorised by the mains supply network operator are permitted to
open and maintain the device.
1. Comply with all safety regulations and current technical connection specifications of the responsible power
supply company.
NOTE: Switch-off sequence
1. Switch off the mains voltage by deactivating the external fuse elements.
2. Activate the DC side depending on the unit version:
- XL: Unit version: Switch off DC supply via the DC disconnector.
. DANGER! The DC lines are still live!
3. S, basic + M unit version: Switch off DC supply externally via the string combiner (not included in the scope of deliv-
ery) at the DC isolator switch.
ð Wait 5 minutes after switching off before opening the inverter.
KACO blueplanet 50.0 TL3 KACO blueplanet 60.0 TL3
General information | 1
Fig. 30: Insert DC fuse
1 Fuse holder
2 DC fuse
2
1
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