Safety Precautions
1. Reserve this manual for the entire service lifetime of the product.
2. Read this manual carefully before carrying out any operation on the product.
3. ‘Note, Warning’ in this manual don’t represent the entire safety points to be observed, and are only the
supplements.
4. This product is the professional equipment used in industrial, commercial or other professional occasions. It
should not be sold to the general person.
5. This product is used only for the purpose of its design, the manufacturers doesn’t assume any responsibility
for the incorrect use.
6. The key to the product must be kept by the personnel responsible for maintenance.
Electrical Safety
1. You must use insulated tools when carrying out the electrical connection.
2. To avoid the more serious faults and damages, you should find the reason causing the alarm immediately and
handle the faults after the alarm occurs through the monitoring platform.
3. The backfeed protection unit is external. For its using method, refer to UF-BFP-63A Backfeed Protection Unit
User Manual.
Warning: Backfeed Protection
Before operating on the circuit, first isolate the UPS, and then check whether dangerous voltage exists between the ports as well
as between the port and the ground.
4. This product is a professional device, used in industry, commercial or other specialized occasions, so its sale
is not open to general public. Its total rating power is larger than 1kW, in compliance with IEC61000-3-12
standard, therefore, it is required to provide a port whose short-circuit ratio is larger than or equal to 250
between the user power supply and the grid. You need to get permission from the power supply department,
and ensure that the short-circuit ratio of the power connected to the cabinet is larger than or equal to 250.
Potential Risk
1. Only after all power is disconnected can you operate the inner components of the product.
2. Before operating on the inner components for any maintenance, you must switch off the mains breaker and all
UPS power.
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