AEC IST6, User Manual

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1 Safety Description
IST6
Series (200K-600K) Modular UPS
User Manual
6
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Allis Electric
Co., Ltd.
The related operation and wiring for the UPS should be performed by qualified professionals, and
ensure the electric installation accord with the electricity installation standards.
The installation and maintenance man should be trained and know about each safety announcements
and get the right operation method, and then, the installation, operation and maintenance can be done.
Mounting and dismantling power cables is prohibited when power on. Please switch off the power
switches before mounting or dismantling power cables. Before connecting, make sure the cable
connection, cable labels are in accordance with the actual installation.

Only authorized professionals are allowed to open the UPS! The input and output of the UPS are
dangerous high voltage. Touching high voltage will lead to lethal risk.

Before maintenance, please disconnect the AC power and battery to isolate the power input. It is
better to measure the input terminals of UPS by a voltmeter to ensure the input power is
disconnected and in a safe condition.

Even if all external powers are disconnected, there still exists residual electric charge on the
capacitance inside the UPS, and the output terminals may exists high voltage which may
endangers human life. It is necessary to set the UPS aside for enough time (≥10 min) to release
all charge before opening the UPS chassis.

The battery circuit isn't isolated with AC input. There may exist dangerous voltage between
battery terminals and grounding terminals. Battery group exists dangerous high voltage. Pay
attention to the insulation when installing and using the battery.

Do not wear conductive objects, such as watches, bracelets and rings during operating.
Drilling holes on the cabinet is prohibited! Inappropriate drilling will damage the components inside
the UPS. Metal debris generated by drilling will lead to circuit board short circuit.