INFOSEC UPS SYSTEM E4 EVOLUTION II+TT Serie Mode D'emploi page 91

10: Reserved

Interface
11: Hot standby function Setting

Interface
12: Neutral loss detection

Interface
13: Battery voltage calibration

Interface
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Parameter 3:
000~999: Set the maximum discharge time from 0 min to 999
min. UPS will shut down to protect battery if the discharge time
arrives before the battery is under voltage. The default value is
990 min.
DIS: Disable battery discharge protection and backup time will
depend on battery capacity.
Setting
Reserve for future options.
Setting
Parameter 2:
HS.H: Indicates Hot standby function.
Parameter 3: Enable or disable hot standby function.
YES: Hot standby function is enabled. It means that the current
UPS is set to host of the hot standby function, and it will restart
After AC recovery even without battery connected.
NO: Hot standby function is disabled. The UPS is running at
Normal mode and can't restart without battery.
Setting
Parameter 2:
N.L: Indicates neutral loss detection function.
Parameter 3:
DIS: Disable the neutral loss detection function. The UPS will not
detect the neutral loss or not.
ATO: The UPS will automatically detect the neutral is lost or not. If
neutral loss is detected, an alarm will be generated. If the UPS is
turned on, it will transfer to battery mode. When neutral is
restored and detected, the alarm will be muted automatically and
the UPS will go back to normal mode automatically.
CHE: The UPS will automatically detect the neutral loss. If neutral
loss is detected, an alarm will be generated. If the UPS is turned
on, it will transfer to battery mode. When neutral is restored, the
alarm will NOT be muted automatically and the UPS will NOT go
back to normal mode automatically.
Here, you must mute the alarm and make the UPS go back to
normal mode manually. The operation is: Firstly, enter this menu
and press the "Enter" key to make the "CHE" flash. Secondly,
press the "Enter" key again to activate the neutral detection
(check). If neutral is detected, the alarm will be muted and the
UPS will go back to normal mode. If neutral is not detected, the
UPS will continue alarming and stay on the latest status until the
neutral is detected well at next manual checking operation.
CHE is default setting.
Setting