Brochures and Data Sheets

NetSure
™
ACU+ Controller (Advanced Control Unit Plus)
User Instructions, UM1M820BNA (Issue AK, March 3, 2014)
Spec. No: 1M820BNA, 1M820DNA Code: UM1M820BNA
Model No: M820B, M820D Issue AK, March 3, 2014
65
Table 5
Full Alarm Name – WEB
(Abbreviated
Alarm Name - LCD)
Alarm Description Action to Correct
Mains 3Uca/Uc Under
Voltage
(M3Uca/Uc UnderV)
AC input 3 voltage between Line C
and Line A below under voltage
threshold.
--
AC Input MCCB Trip
(Input MCCB Trip)
Main input circuit breaker open. --
AC Output MCCB Trip
(OutputMCCB Trip)
Main output circuit breaker open. --
SPD Trip
(SPD Trip)
Surge protection device tripped. --
Communication Fail
(Comm Fail)
AC distribution monitoring device has
lost communications with the
Controller.
Check communications cables.
LargeDU DC Distribution Alarms (Large Distribution Unit must be present in system)
(DC Distributi)
DC Over Voltage
(DC Over Volt)
DC output voltage above over voltage
threshold.
--
DC Under Voltage
(DC Under Volt)
DC output voltage below under
voltage threshold.
--
DC Output 1 Disconnected
(Output1 Discon)
Output #1 distribution device open. --
...
...
DC Output 64 Disconnected
(Output64 Discon)
Output #64 distribution device open. --
Communication Fail
(Comm Fail)
DC distribution monitoring device has
lost communications with the
Controller.
Check communications cables.
Temperature 1 Over
Temperature
(T1 Over Temp)
Temperature sensor #1 sensing
temperature higher than over
temperature threshold.
--
Temperature 2 Over
Temperature
(T2 Over Temp)
Temperature sensor #2 sensing
temperature higher than over
temperature threshold.
--