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4 . Equipment Use and Maintenance
4.1 Preparations before First Start-up
To ensure normal operation of UPS, please confirm the following before use:
1
．
Correct installation of input and output;
2
．
If the air switch at the back of UPS is placed at “OFF”;
3
．
If the power end is connected to rated input power supply;
4
．
Confirm that UPS output does not short circuit, and the load capacity
does not exceed UPS capacity;
5
．
Confirm if computer or other instrument is turned off;
6
．
Confirm if battery voltage is normal;
7
．
It is not recommended to connect reactive load to the UPS output.
Loads are normally powered by electric network directly.
4.2 UPS Start-up Sequence
After confirming all the above, please start the machine by following means:
1
．
For DS2000E, DS3000E,DS6000E series, turn the air switch at the back
to “ON” position.
（
Step 2 of direct operation of DS1000E series
）
2
．
Press the "ON" button on the UPS panel to start UPS, the "INV"
indicator light will light up. After retardation time, the "BYPASS" light
goes out and the UPS is changed inversion power supply. By this time,
the start-up is completed and the equipment starts operation. Wait for
about 20 seconds after normal no-load operation to turn on the
computer or other instrument. Start the load in the sequence of
high-power to low power, first start the high-power equipment then in
turns start equipment with lower power.
3
．
Start computer or other equipment.
