Kaco 1000335, Руководство пользователя

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CAUTION
Risk of damage to the device during cleaning!
› Do not use compressed air or high-pressure cleaners.
› Use a vacuum cleaner or a soft brush to remove dust from the fan cover and from the top of the device
on a regular basis.
› Remove dust from the ventilation inlets if necessary.
12.4 Replacing the string fuses
DANGER
Risk of fire if the fuse holder is disconnected under load!
The connection terminals and fuse holder can be destroyed by arcing if disconnected or if the fuses are re-
moved.
ü Shutdown sequence:
› Switch off the PV generator using the DC isolator switch.
› Danger The DC cables are still live!
› Check that there is no current in any of the DC cables using a clip-on ammeter.
› Only open the fuse holder once you have established that there is no current in the DC cables.
↻
Use a clip-on ammeter to check the current flow in each DC string.
- If there is no current flow, the string fuse must be checked:
↻
The shutdown sequence in the preceding warning has been carried out.
1 Unlock and open the housing door.
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.
» Fuse holders are fitted with fuses. Close the housing door and switch on the in-
verter as described in chapter Requirements [See section 8.1
} Page 33].
1
2
Fig. 63: Insert DC fuse
1 Fuse holder
2 DC fuse
Powador 30.0-72.0 TL3
Page 73
EN