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ZY120 6-20kVA (11) User Manual EN rev.04.doc
load is not on inverter, red flicker—inverter fault and load is on
inverter, dark—inverter is not working
Bypass indicator: green—bypass is normal, dark—UPS is in
normal mode and bypass is normal, red—bypass fault, red
flicker—bypass alarm
Battery indicator: green—battery charge, green flicker—battery
discharge, dark—battery is connected, red—battery fault, red
flicker—battery alarm
Output indicator: green—output is normal, red—output alarm
Fig 9. LCD Main Menu
Description of Main Menu
Main input: voltage, current, frequency, PF
Bypass input:
Voltage, current, frequency, PF
Battery: voltage, discharge current, battery status,
battery temperature, capacity
DC bus voltage
Output information:
Voltage, current, frequency, PF
Load information:
Active power, apparent power, percent