4 Operation and Maintenance
User Manual
20
4 Operation and Maintenance
This chapter mainly describes the operation process, operation method, daily maintenance and
troubleshooting, etc.
4.1 Check Before Startup
Check if the wire connection is firm and the color of AC wires is in accordance with the
specification.
Check if UPS is grounded reliably.
Check if the voltage between the neutral wire and grounding wire is less than 5Vac.
If the UPS equipped with remote monitoring device, check if the wiring of the RS232 port
is correct.
If it is long backup model, check if the wiring between UPS and battery box is correct and
reliable.
Check if the wiring is neat and the wire binding is in accordance with the specification.
Check if the installation and wiring are good for transformation, expansion and
maintenance in future.
Check that there is no short-circuit in the output of the UPS and the load capacity isn't
beyond the rated capacity of the UPS.
4.2 Startup Operation
4.2.1 1kVA(L), 2kVA(L), 3kVA(L)
Step 1
Insert the mains socket of the UPS.
Step 2
Press "
" button on the panel for 1s to start the UPS.
Step 3
About 10s later, if the UPS works steadily, start loads, such as PC, etc.
Summary of Contents for IST3-J
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