AEC IST7 20kVA, User Manual

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2 Overview
AEC UPS IST7 10-30 KVA
User Manual
24
The cross-sectional areas above are recommended for 5 meters long wires. Longer wires require larger
cross-sectional areas.
3.2.5 Surge ProtectionDevice
If the UPS is installed in a lightning-prone area, it’s better to install multiple surge protection devices
between the power grid and the UPS. The UPS can equipped with the surge protection device of grad-
C. If the UPS is installed outdoors, it requires a higher surge protection level than those installed
indoors.
3.2.6 Reverse Feedback Protection (Optional)
It is suggested to add the contactor with 220V AC coil at the AC power distribution side as the reverse
feedback protection device.
3.3 Transportation and Unpacking
3.3.1 Transportation
The UPS should be transported by trained professional.
During transporting, please take care and avoid impact or falling off.
If the UPS needs to be stored for a long time after unpacking, it is suggested to package the UPS with
original plastic bag.
The UPS can be transported by motor-driven forklift (as shown in Figure1.4) or manual forklift (as
shown in Figure1.5). While lifting, please keep the UPS center of gravity at that of the forklift and
move slowly and stably.
Figure1.4 Motor-driven forklift