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Chapter 1 Safety Information and Precaution
are damaged.
◆ Install protective barriers (marked with a high voltage hazard symbol) at the necessary
locations and do not remove them while the equipment is in operation.
◆ Do not disconnect the power to the cooling unit while it is in operation as this can lead to
overheating and damage to the system equipment.
◆ Do not control the operation/stopping of the high voltage AC drive by switching the input
power on/off.
◆ The order of power up and down should follow: when starting, turn on the control power first
and then turn on the high voltage power. When stopping, stop the stable motor first, then
disconnect the high voltage power supply, then disconnect the control power supply.
◆ During operation, the user should monitor the load operation at all times and stop the machine
in case of irregularities.
◆ It should be ensured that the ambient room temperature where the system is installed is within
the range of 0° C to 40° C.
◆ After a period of operation, mechanical vibrations may cause loosening of the electrical contact
parts, resulting in poor contact and, in serious cases, damage to the components and the whole
machine. It is recommended that regular maintenance and cleaning checks be carried out as
required to avoid damage.
◆ A system for recording the operating condition of the equipment and applying maintenance
systems should be developed.
◆ Do not place flammable and explosive substances in or near the cabinet of the high voltage AC
drive unit.
◆ The input and output cables should be wired according to the terminal markings, do not connect
them incorrectly as this may cause damage to the unit.
1.3 Safe Operation
This series of products is suitable for 3kV~11kV power supply system, the equipment is
directly connected to the high voltage grid, please take the following safety precautions when
operating:
1) The operator must wear high-voltage insulated shoes before entering the operating position of
high-voltage equipment.
2) Insulation mats shall be laid around the equipment.
3) High pressure operation by a single person is strictly forbidden.
ACH200 Series High Voltage Variable Frequency Speed Control System Operating Manual
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