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Danger and warning!
This device can be installed only by professionals.
The manufacturer shall not be held responsible for any accident caused by the failure to
comply with the instructions in this manual.
Risks of electric shocks, burning, or explosion
This device can be installed and maintained only by qualified people.
Before operating the device, isolate the voltage input and power supply and short-circuit
the secondary windings of all current transformers.
Put all mechanical parts, doors, or covers in their original positions before energizing the
device.
Always supply the device with the correct working voltage during its operation.
Failure to take these preventive measures could cause damage to equipment or injuries to
people.