KEHUA TECH MY-A Series, Руководство пользователя

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6 Use and Operation
MY-A Series (10kVA-20kVA) UPS
User Manual
86
6 Use and Operation
This chapter mainly describes the operation process, operation method, daily maintenance and
troubleshooting, etc.
6.1 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 RS485 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.
6.2 Startup Operation
Step 1 Close the breaker of input, bypass and battery.
Step 2 After touch screen/LCD light on, press "ON" combination button (touch screen) for 1s at the same
time or the " " and " " button (LCD) for 2s at the same time on the front panel to start the UPS.
Step 3 About 10s later, if the UPS works steadily, start loads, such as PC, etc.