Unidrive M / HS Frame 7 to 10 Power Installation Guide 49
Safety information Product information
Mechanical installation
Electrical installation Technical data UL listing information
3.11 Routine maintenance
The drive should be installed in a cool, clean, well ventilated location. Contact of moisture and dust
with the drive should be prevented.
Regular checks of the following should be carried out to ensure drive / installation reliability are
maximized:
Environment
Ambient temperature Ensure the enclosure temperature remains at or below maximum specified
Dust
Ensure the drive remains dust free – check that the heatsink and drive fan
are not gathering dust. The lifetime of the fan is reduced in dusty
environments.
Moisture Ensure the drive enclosure shows no signs of condensation
Enclosure
Enclosure door filters Ensure filters are not blocked and that air is free to flow
Electrical
Screw connections Ensure all screw terminals remain tight
Crimp terminals
Ensure all crimp terminals remains tight – check for any discoloration which
could indicate overheating
Cables Check all cables for signs of damage
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