RECEIPT OF DELIVERY
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to 300…500mA and the DC-power supply has to be connected to the B+/B- terminals (DC supply
terminals).
DC-voltage must be adjusted to nominal DC-voltage level of the unit (1.35*Un AC) and supplied at
least for 1 hour.
If DC-voltage is not available and the unit has been stored de-energized much longer than 1 year
consult factory before connecting power.
3.4
Maintenance
In normal conditions, Vacon NX 8000 Solar inverters are maintenance-free. However, we recom-
mend to keep the inverter clean, e.g. by cleaning the heatsink with compressed air whenever neces-
sary.
We also recommend to follow proactive maintenance schedule below to ensure the highest possible
utilization rate of the cabinet drive.
Maintenance interval
Maintenance action
12 months (if unit stored)
•
Reform capacitors (see separate instruction)
6-24 months
(depending on environment)
•
Check I/O terminals
•
Check tightness of mains connection (e.g. with
thermography)
•
Clean cooling tunnel
•
Check operation of cooling fan, check for cor-
rosion on terminals, busbars and other surfaces
5-7 years
•
Change cooling fans:
-
main fan
-
fan of the LCL filter
5-10 years
•
Change DC bus capacitors if DC voltage ripple
is high
Table 3-1. Proactive maintenance schedule
3.5
Warranty
Only manufacturing defects are covered by the warranty. The manufacturer assumes no responsibil-
ity for damages caused during or resulting from transport, receipt of the delivery, installation, com-
missioning or use.
The manufacturer shall in no event and under no circumstances be held responsible for damages
and failures resulting from misuse, wrong installation, unacceptable ambient temperature, dust,
corrosive substances or operation outside the rated specifications.
Neither can the manufacturer be held responsible for consequential damages.
The Manufacturer's standard time of warranty is 18 months from the delivery or 12 months from the
commissioning whichever expires first (Vacon Warranty Terms).
The local distributor may grant a warranty time different from the above. This warranty time shall be
specified in the distributor's sales and warranty terms. Vacon assumes no responsibility for any oth-
er warranties than that granted by Vacon itself.
In all matters concerning the warranty, please contact first your distributor.
