KEHUA TECH KR-RM Series, User Manual

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5 Use and Maintenance
KR-RM Series(1
～
3kVA) UPS
User Manual
22
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5 Use and Maintenance
This chapter mainly describes the operation process, operation method, daily maintenance and
troubleshooting, etc.
5.1 Preparation for Startup at the First Time
Before using UPS, check the following items to ensure that UPS works normally.

The installation of input and output are correct.

The input power connects with the rated input power.

There is no short-circuit in the output and the load capacity is not beyond the UPS capacity.

Whether computer or other equipments are switched off.

Whether the battery voltage is normal.

It isn't recommended to connect with the inductive load in the output. Generally, power grid
supplies power for the inductive load directly.
5.2 Startup Sequence
If the items above are all OK, start UPS according to the following method
：
Step 1 Press " " button on the panel for more than 1s, it will start UPS. About 10s later, UPS has output
voltage.
Step 2 Start computer or other devices. Start load with the sequence that "high power device
→
small
power device". Start the high power device first, and start the smaller power successively.
----End
5.3 ON/OFF
In the daily use, start or shut down UPS according to the following method: