C h a p t e r 1 P r o d u c t o ve r v i e w
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Warning & Criterion
Installation attention
Beware of potential hazards. Wear safety equipment properly when operating this
device and follow safety standards and related regulations for operating electric
equipment.
Installation of this device should be performed by licensed professionals. Perform
operations only after carefully reading this manual.
Operate this device according to this manual to prevent improper operation that may
cause damage and bodily harm.
This device should be installed in a properly-insulated fire-protection cabinet.
Operation attention
Do not operate alone.
Power should be disconnected before installing, checking, or maintaining this device.
You must use a voltage checking device with the correct rated values to ensure that all
power has been disconnected.
Before connecting power, check that all mechanical parts, covers, and doors have
been returned to their original states. Make sure there are no parts or tools left inside
the device.
Wiring attention
When using this device, make sure the powered bus on the secondary side of the hall
current transformer has been locked and secured to the device to prevent the bus
falling during the use, which could damage the device.
When using a Hall sensor, use a UL2808 compliant Hall sensor in the United
States/Canada, and a Hall sensor that complies with the IEC61869-2 specification or
AHJ requirements in other countries to ensure safe use.
Wiring method
When measuring current, a Hall sensor must be used with the device.
One wire insertion port of the measurement connector, please insert only one wire.
For the wrong forced pull-out of the wire, re-check the connecting wire and start
again.
Maintenance and inspection
Disconnect all wiring (or power off all other circuits) that may present potentially
hazardous voltage levels to the unit when cleaning the power meter. Ensure to use a
dry and soft cotton cloth to wipe the surface of the power meter carefully.
