Proline UPS I1000, Руководство пользователя

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UPS has provided earthed terminal, in the final installed system
configuration, equipotential earth bonding to the external UPS
battery cabinets.
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An appropriate disconnect device as short-circuit backup
protection should be provided in the building wiring installation.
Please see the disconnect device specification in chapter 5.2.
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Equipment the powered more than one source.
1.2 Operation
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Do not disconnect the mains cable on the UPS or the building
wiring socket (grounded shockproof socket) during operation as
this would remove the ground to the UPS and of all connected
loads.
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The UPS features its own, internal current source (batteries). You
may be electric shock when you touch the UPS output sockets or
output terminal block even if the UPS is not connected to the
building wiring socket.
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In order to fully disconnect the UPS, first press the OFF button to
turn off the UPS, then disconnect the mains lead.
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Ensure that no liquid or other foreign objects can enter the UPS.