Specifications
21
7.1 INSTALLATION AFTER A LONG PERIOD OF STORAGE
If input power has not been applied to the drive for a period of time exceeding three years
(due to storage, etc), the electrolytic DC bus capacitors within the drive can change
internally, resulting in excessive leakage current. This can result in premature failure of the
capacitors if the drive is operated after such a long period of inactivity or storage.
In order to reform the capacitors and prepare the drive for operation after a long period of
inactivity, apply input power to the drive for 8 hours prior to actually operating the
drive/motor system.
7.2 EXPLOSION PROOF APPLICATIONS
Explosion proof motors that are not rated for inverter use lose their certification when used
for variable speed. Due to the many areas of liability that may be encountered when dealing
with these applications, the following statement of policy applies:
“Minarik Corporation inverter products are sold with no warranty of fitness for a
particular purpose or warranty of suitability for use with explosion proof motors.
Minarik Corporation accepts no responsibility for any direct, incidental or
consequential loss, cost, or damage that may arise through the use of its AC inverter
products in these applications. The purchaser expressly agrees to assume all risk of
any loss, cost, or damage that may arise from such application. Minarik Corporation
or Minarik Corporation’s engineering department will not knowingly approve
applications involving explosion proof motors.”
Warning
Severe damage to the drive can result if operated after long periods of storage or
inactivity without reforming the DC bus capacitors!