Owner manual

13
Wiring & Grounding
Installation and Wiring must be performed in accordance with
the local electrical laws and regulations.
The UPS must be securely grounded. Make sure earth
connection and its reliability before connecting the power wires to
the wiring terminal of the building. If there are external UPS battery
cabinets, please make sure the battery cabinets have the
equipotential earth bonding to the UPS main cabinet.
An appropriate switch device as backup protection for
over-current or short-circuit should be provided in the input utility.
To disconnect the load from the UPS in any mode of
operation, an emergency switching device should be installed
between the UPS output terminal and the loads. It had better has the
leakage current protective function for safety.
Battery
Strictly follow the principle of “same voltage, same type” when
paralleling multi battery packs.
DC breaker or fuse must be used as a protection device
between the external battery pack and the UPS. The spec of
protection must be matched to the UPS specification.
2.2 Unpacking and Inspection
2.2.1 Unpack the package and check the contents. The shipped
package contains:
1 UPS
1 user manual