INVT RBU100H, Руководство по эксплуатации, Страница: 26 / 33

RBU100H operation manual 8 Maintenance and hardware diagnostics
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8 Maintenance and hardware diagnostics
8.1 Maintenance interval
If installed in an appropriate environment, the RBU requires very little maintenance. The table lists the
routine maintenance intervals recommended by INVT.
Checking Item Method Criterion
Ambient
environment
Check the ambient temperature,
humidity and vibration and ensure
there is no dust, gas, oil fog and
water drop.
Visual
examination
and instrument
test
Conforming to the
manual
Ensure there are no tools or other
foreign or dangerous objects
Visual
examination
There are no tools or
dangerous objects.
Voltage
Ensure the main circuit and control
circuit are normal.
Measurement
by millimeter
Conforming to the
manual
Main
circuit
For public
use
Ensure the screws are tightened up Tighten up NA
Ensure there is no distortion,
crackles, damage or color-changing
caused by overheating and aging to
the machine and insulator.
Visual
examination
NA
Ensure there is no dust and
dirtiness
Visual
examination
NA
Note: if the color of the
copper blocks change,
it does not mean that
there is something
wrong with the
features.
The lead
of the
conductors
Ensure that there is no distortion or
color-changing of the conductors
caused by overheating.
Visual
examination
NA
Ensure that there are no crackles or
color-changing of the protective
layers.
Visual
examination
NA
Terminals
seat
Ensure that there is no damage
Visual
examination
NA
Resistors Ensure whether there is Smelling and NA