Operation
True Online 6-20k UPS User Manual
23
7. OPERATION
7.1 Operation Mode
1. Turn on the UPS in normal mode
1) After you make sure that the power supply connection is correct, and then close the
battery breaker (this step only for long backup time model), after that close the input
breaker. At this time the fans rotate and the UPS operates in Bypass mode.
2) After REC led is ready green, pressing the ON/OFF button continuously for more
than 1 second, then choose ON to enter, the INV green led flickers.
NOTE
In some application, UPS is set to start automatically, this step is not need.
3) About 1 minute later, the UPS turn into normal Line mode. If the utility power is
abnormal, the UPS will operate in Battery mode without output interruption of the
UPS.
2. Turn on the UPS from battery without utility power
1) After you make sure that the breaker of the battery pack is in the “ON” position (this
step only for long backup time model).
2) Press the ON/OFF button once to power on the LCD, then press ON/OFF button
again, choose ON to enter.
3) A few seconds later, the UPS turns into Battery mode.
3. Turn off the UPS in normal mode
1) Press ON/OFF button in condition of normal mode, then choose OFF to transfer to
bypass.
2) Open the input breaker to turn off utility power supply, then open the battery breaker
to turn off UPS completely.
4. Turn off the UPS in Battery mode
1) To power off the UPS by pressing the ON/OFF button continuously for more than 1
second, then choose OFF.
2) When being powered off, the UPS will turn into No Output mode. Finally not any
display is shown on the display panel and no voltage is available from the UPS
output.
NOTICE：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.
7.2 Parallel Operation
1. Parallel Machine Maintenance
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