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or when the total output active power is greater than the following formula:
Pact_out-ovl = Pout x 0.8
Where:
• Pact_out-ovl is the Overload Output Active Power (W)
• Pout is Rated Output Apparent Power (VA)
Alarm 3:
This alarm appears when the input the unit is under main failure condition and
the level of battery is lower than 11.5 V/battery pack
Alarm 4:
This alarm appears when the inverter output voltage phase to neutral in any phase
is out of margins over ±6 %.
Alarm 5:
This alarm appears when there is an offset voltage higher than 5 V, in any phase of
the inverter output voltage phase to neutral.
Alarm 6:
When the maintenance bypass switch is ON the UPS inverter will not be available.
Alarm 7:
The mains failure occurs when in any phase, the input voltage phase to neutral is
out of the set margins (+15 %/–20% by default) or the input frequency is out of the
set margins (± 5 Hz by default).
Alarm 8:
When the inverter or PFC temperature sensors measure temperatures over the
programmed values (70 ºC by default).
Alarm 9:
This message appears when the battery switch is OFF and the DC bus is charged
to the battery voltage level, to inform the user to switch ON the battery switch.
Alarm 10:
This Alarm indicates that the bypass input voltage or the bypass input frequency
are out of margins. These margins are programmable but by default the bypass
voltage range is +12 %/–17 % and the bypass frequency range is ±2 Hz.