UPS5000-A-500 kVA
User Manual (e-shelter)
4 User Interface
Issue 02 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
90
Item
Description
temperature alarm
threshold (°C)
exceeds the threshold specified by this parameter.
Low ambient
temperature alarm
threshold (°C)
A warning is generated when the ambient temperature is lower
than the parameter value.
EOD restart
If the mains is not functioning normally, the UPS will transfer to
battery mode. When batteries reach the EOD threshold, the
bypass is disabled, and
EOD restart
is enabled, the UPS will
restart as soon as the mains resumes.
If
EOD restart
is disabled, clear the alarm manually or enable
the restart function for the UPS.
EOD restart delay
(min)
If
EOD restart
is set to
Enable
, the UPS starts working after
EOD restart delay
when the mains recovers from an EOD
power failure. The value range is 1–1440 min, and the default
value is 10 min.
Figure 4-18
Advanced Param. screen 2
Item
Description
Inverter async. alarm
Specifies whether the
Inverter async.
alarm is displayed when
the inverter does not track the bypass input. The normal power
supply is not affected regardless of whether the parameter is
Enable
or
Disable
.
Bus overvoltage
recovery
Specifies whether to automatically clear the alarm and restart the
power unit when the rectifier or inverter shuts down due to a bus
overvoltage alarm. If
Bus overvoltage recovery
is set to
Enable
,
the bus overvoltage alarm is automatically cleared, and the
rectifier and inverter automatically start when the bus voltage
recovers (less than 420 V) within
Bus overvolt. recovery time
.
When
Bus overvoltage recovery
is set to
Disable
, the bus
overvoltage alarm cannot be automatically cleared, and the