Operation And Maintenance; Check Before Startup; Startup Operation; Shutdown Operation - AEG UPS IST3 1-10kVA User Manual

(1-10kVA) UPS IST3
User Manual

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 the voltage between the neutral wire and grounding wire is less than 5Vac.
 If installing the remote monitoring device in the UPS, check if the wiring in the RS232
port is correct.
 If it is long backup model, check if the wiring between UPS and battery cabinet 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 UPS and the load capacity isn't
beyond the rated capacity of UPS.

4.2 Startup Operation

Connect UPS with mains socket of 1kVA/ 2kVA/ 3kVA UPS or switch on the mains breaker, bypass
breaker and battery breaker of 6kVA/ 10kVA UPS.
Press "ON" button on the panel for 1s to start UPS.
About 10s later, if the UPS works steadily, start loads, such as PC, etc.

4.3 Shutdown Operation

Close load and keep UPS running without load for about10min to exhaust heat.
Press "OFF" button on the panel for 1s.
Unplug mains socket of 1kVA/ 2kVA/ 3kVA UPS or switch off the battery breaker, bypass breaker and
mains breaker of 6kVA/ 10kVA UPS.
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