Installation, Operation and Service Manual LKP Series
© 2020 DynAmp, LLC Page xi
041736 N
SAFETY
This equipment is designed to be connected to hazardous electric voltages. Ignoring
the installation precautions and warnings can result in severe personal injury or
equipment damage. Also, the equipment is heavy and requires special handling
procedures to ensure the safety of both personnel and equipment itself. The following
are general guidelines that should be followed when installing, operation and servicing
the Metering Unit and Measuring Head.
• All installation, maintenance and service must be performed by qualified technicians
who are familiar with the warnings and instructions of this manual.
• Always follow all local and plant safety procedures.
• Service must be performed by qualified technicians only. If use of an oscilloscope
becomes necessary during servicing, the scope must be floating and not grounded.
The Metering Unit is isolated from the mains via the power transformers. If a
grounded scope is used, a hazardous condition is created since current will flow
through the probe to ground.
• Units are not intrinsically safe. Do not place in explosive atmospheres
• Do not place in the rain, or under water, or submerge any part of the Measuring
Head or Metering Unit. The Measuring Heads are splash proof but are not
waterproof.
• The surface on which the Measuring Head is mounted must be sound and capable
of supporting the Measuring Head. Fasteners used must be capable of supporting
the weight of the Measuring Head.
• Make sure that the cables are disconnected from the Measuring Head during
installation.
• The Measuring Heads are supplied with connector covers, which must be used
whenever the Measuring Head cables are disconnected from the Measuring Head.
The covers are necessary to prevent dust and water from entering the Measuring
Heads. The covers also prevent fingers from contacting the connector pins during
installation, which can carry hazardous voltages if the Measuring Head is installed
on a live bus.
• If the installation is to be made on a "live" bus, the Measuring Head cables must be
disconnected from the Measuring Head. A condition hazardous to the Measuring
Head and any person handling un-insulated cable-lead terminals will result if metal
parts of the Measuring Head contact the bus, or sudden changes in the bus current
occur. Personal protective gear should be worn when reconnecting cable back to
Measuring Head. Please refer to “Installation Considerations” section 4.4 for
Measuring Head storage on a live bus.
• Measuring Head should be electrically isolated from the bus bars. A ¼” (6mm)
minimum distance between the bus and window insulation should be maintained.
This will insure electrical isolation of the Measuring Head structure from the bus.
The Measuring Head itself is grounded via the cables to the Metering Unit. Refer to
the “Installation Considerations” section of the manual for more details.
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