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live equipment, the following instructions must be
followed:
• Use one hand when servicing the equipment.
Accidental death or severe injury may occur
especially if a current path is created through the
body from one hand to the other.
• First, de-energize the equipment. To de-energize
any capacitors connected into the circuits,
temporarily ground the terminals where work is to
be done.
• Connect the multi-meter/instrument to the
terminals of interest using a range higher than the
expected. Make sure that you are not grounded
whenever a need arises to adjust equipment or
test circuit operation. Verify that all test equipment
used is properly maintained and safe for the
intended use.
• Without touching the multi-meter/instrument
energize the equipment and read the values
indicated on the multi-meter/instrument.
• Remove the test leads after de-energizing the
circuit of interest.
6.2: Maintenance Schedule Recommendation
The service schedule is somewhat dependent on
the “in service” hours. As a general rule, however, it
is recommended that the heat tracing control and
monitoring panel be serviced on a twelve month basis
to start. The schedule may be adjusted depending on
the operating history of the panel and as the historical
maintenance records dictate.
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