Uninterruptible Power Supplies Online UPS 1K User Manual download pdf (Page 24)

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11. Operation and Operating Mode

2) For long back up time model (“S” model), please make sure that the battery

breaker is in “ON” position.

3) During the course of starting up, the UPS has the same action as if it is connected

to utility power except that the utility power LED is not turned on and the battery

LED is turned on instead.

3. Turn off the UPS with utility power supplied (in Line mode/AC mode)

1) Press the “OFF” button continuously for more than 1 second to turn off the inverter

of the UPS immediately.

2) When being powered off, the UPS will perform self-diagnosis, the Load/Battery

level LEDs will be turned on and then off one after another in ascending order,

then the INV LED will be turned off and Bypass LED will be turned on. The UPS is

working in Bypass mode.

3) Upon completion of the above to turn it off, output of electric current of the UPS is

still present. In order to cut off the output from the UPS, simply cut off the utility

power supply and the UPS will perform self-diagnosis, finally not any display is

shown on the display panel and no voltage output is available from the UPS

output.

4. Turn off the UPS with no utility power supplied (in Battery mode)

1) Press the “OFF” button continuously for more than 1 second to power off the UPS.

2) When being powered off, the UPS will perform self-diagnosis, the Load/Battery

level LEDs will be turned on and then off one after another in ascending order.

Finally not any display is shown on the display panel and no voltage is available

from the UPS output.

Suggestions: Please turn off the connected loads before turning on the UPS and

turn on the loads one by one after the UPS is working in INV mode. Turn off all of

the connected loads before turning off the UPS.

5. Parallel Machine Maintenance

This UPS system has parallel machine function, if you want to add single machine to

parallel system, please follow operational process of joining new machine; if because

of cutting down load or attainting UPS, and you must remove UPS, please follow

operational processes of removing parallel machine.

Join new UPS process:

1) Before joining new UPS, user should prepare input & output line, switch and

combine line.

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Uninterruptible Power Supplies Online UPS 1K User Manual Page 24