14 • vacon
RECEIPT OF DELIVERY
Tel. +358 (0)201 2121 • Fax +358 (0)201 212 205
3
3.2
Storage and shipping
If the frequency converter is to be kept in store before use make sure that the ambient conditions are ac-
ceptable:
Storing temperature
–40…+70
°
C (no cooling liquid inside cooling element allowed below 0º)
Relative humidity
<96%, no condensation
If the storage time exceeds 12 months the electrolytic DC capacitors need to be charged with caution.
Therefore, such a long storage time is not recommended. See chapter 9.3 and the NX Liquid-Cooled Drives
Service Manual for instructions on charging. See also chapter 3.3.
Warning: Always remove all cooling agent from the cooling element(s) before shipping to avoid dam-
age caused by freezing.
3.3
Maintenance
In normal conditions, Vacon NX Liquid-Cooled frequency converters are maintenance-free. However, if the
frequency converter is used in conditions with temperatures below the freezing point and the liquid used
for cooling is likely to freeze, be sure to empty the cooling element if the converter must be moved or
if it is taken out of use for a longer time. See also chapter 3.2.
It may also be necessary to clean up the coolant ducts in the cooling element. Contact the factory for more
information.
The instructions for the cooling system provided by its manufacturer shall be followed.
Change the glycol coolant every 2 years or add inhibitor.
3.4
Warranty
Only manufacturing defects are covered by the warranty. The manufacturer assumes no responsibility for
damages caused during or resulting from transport, receipt of the delivery, installation, commissioning or
use.
The manufacturer shall in no event and under no circumstances be held responsible for damages and fail-
ures resulting from misuse, wrong installation, unacceptable ambient temperature, running motor with
lower coolant flow than minimum flow, condensation, dust, corrosive substances or operation outside the
rated specifications.
Neither can the manufacturer be held responsible for consequential damages.
Note! Vacon NX Liquid-Cooled drives must not be run with the liquid cooling system disconnected.
Furthermore, the requirements of the liquid cooling specifications, e.g. minimum flow rate (see and
Table 5-6) must be satisfied. Ignoring this will render the warranty null and void.
The Manufacturer's 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 other war-
ranties than that granted by Vacon itself.
In all matters concerning the warranty, please contact first your distributor.
