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Idiomas disponibles
Idiomas disponibles
Maintenance
4. OPERATION
4.1 Operation Mode
4.1.1 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 main input and bypass input breaker. At
this time the fans rotate and the UPS operates in Bypass mode.
2) After REC led is ready green, the BYPASS starts and bypass LED is yellow, now the output load is
feed by bypass.
NOTE: In some application, UPS is set to start manually, you should press ON/OFF to start inverter.
3) The inverter LED start to flick, and about 1 minute later, the UPS turn into normal working mode. If
the utility power is abnormal, the UPS will operate in Battery mode without output interruption of the
UPS.
4.1.2 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 cold start button once (on the rear panel shown as Fig 1-2) to power on the UPS. Press
ON/OFF button for 2.5s once buzzer is on.
3) About 1 minute later, the UPS turns into Battery mode. If utility power recovers, UPS will transfers
to normal mode.
4.1.3 Turn off the UPS in normal mode
1) Shutdown the connected load and open external output breaker
2) Press ON/OFF button in condition of normal mode to transfer to bypass.
3) For long backup model, open the mains input breaker and bypass input breaker, then open the battery
breaker to turn off UPS completely.
3)* For standard model, open mains input and bypass input breaker, the UPS will shutdown completely
after a few seconds.
4.1.4 Turn off the UPS in Battery mode
1) To power off the UPS by pressing the ON/OFF button for more than 1 second, then choose
YES.
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.
Warning: internal DC bus still has hazadous high votlage in serveral minutes, please
wait for at least 5 minutes to open UPS. And check the DC bus votlage before maintenance.
4.2 Parallel Operation
4.2.1 Turn on the UPSs of Parallel System
Make sure the power cables and communication cables are correctly. Shown as Fig 2-2, Fig 2-3, Fig
2-4:
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High Performance 6-10k UPS
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