2
With the installation of the equipment, the sum of the leakage
current of the UPS and the connected load does not exceed 5%
of rated value of input current.
Do not block ventilation openings in the UPS’s housing. Ensure
allow at least 50cm of space on front and rear of the UPS.
1.2 Operation
Do not disconnect the mains cable on the UPS or the building
wiring terminals during operation since this would remove the
protective earth from the UPS and all connected loads.
The UPS output terminal block may still be electrically lived
even if the UPS is not connected to the building wiring terminal,
for there is internal current source (batteries).
In order to fully disconnect the UPS, first turn the input breaker
in the “OFF” position, then disconnect the mains lead.
Indiscriminate operation of switches may cause output loss or
damage to equipment. Refer to instruction before conducting
any control.
While the UPSs work as a parallel system, the external parallel
cable should be reinforced insulation.
Ensure that no liquid or other foreign objects can enter the UPS.
1.3 Maintenance, Servicing and Faults
Do not remove the enclosure since the UPS operates with
hazardous voltages. It is to be serviced only by qualified
maintenance personnel.
Caution - risk of electric shock. Even after the unit is
disconnected from the mains power supply (building wiring
terminal), components inside the UPS are still connected to the
battery which are potentially dangerous.
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