Are the control terminal screws tightened to their specified
torques?
p.16
Is the total cable length of all control wiring < 165ft (100m)?
Is the total length of safety wiring < 100ft (30m)?
Miscellaneous
Are optional cards connected correctly?
Is there any debris left inside the inverter?
Are any cables contacting adjacent terminals, creating a
potential short circuit risk?
-
Are the control terminal connections separated from the
power terminal connections?
-
If capacitors have been in use for more than two years, have
they been replaced?
-
Has a fuse been installed for the power source?
Are the connections to the motor separated from other
connections?
-
If the fans have been in operation for more than three years,
have they been replaced?
p. 245
STP (Shielded Twisted Pair) cable has a highly conductive, shielded screen around twisted cable pairs.
STP cables protect conductors from electromagnetic interference.
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