XMART Optima 33 30K - Manual (Page 34)

USER MANUAL - OPTIMA-33 10K / 20K / 30K
www.xmart-ups.com 130612-OPTIMA-33 10K/20K (ENGLISH) - 32
09: Maximum battery discharge time setting
Interface Setting
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.
10: Reserved
Interface Setting
Reserve for future options.
11: Reserved
Interface Setting
Reserve for future options.
12: Neutral loss detection
Interface 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.