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About this Unit
Table 32: About this Unit Menu
Menu Display Name
About this Unit
SO_Item is an adjustable item which can be used to store the
sales order number of the unit for reference purposes .
Unit SN is an adjustable item which can be used to store the
serial number of the unit for reference purposes .
App Version is the version of application code loaded into the
controller
Cf1-15 describe positions 1-15 of the unit configuration string
Cf16-29 describe positions 16-29 of the unit configuration string
Main BSP is the current version of firmware in the main
controller
LON BSP is a status only item which indicates the current
version of firmware in the LON communication module
connected to the main controller .
LON App Ver is a status only item which indicates the current
version of application code in the LON communication module
connected to the main controller .
BACnet BSP is a status only item which indicates the current
version of firmware in the BACnet communication module
connected to the main controller .
D-Net BSP is a status only item which indicates the current
version of firmware in the D-Net communication module
connected to the main controller .
HMI GUID is the HMI software identifier number unique to each
application code version
OBH GUID is the OBH software identifier number unique to
each application code version
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Item Display Name
SO_Item=
Unit SN=
App Version=
Cf1-15=
Cf16-29=
Main BSP=
LON BSP=
LON App Ver=
BACnet BSP=
D-Net BSP=
HMI GIUD=
OBH GIUD=
Alarms
Alarms provide the user with information about abnormal
conditions that affect unit operation. The cause of the alarm
should be investigated and eliminated before the unit or any
disabled equipment in it is placed back into service.
Problems are conditions that result in the limitation of unit
operation or shut down of the DX circuit . Some of these alarms
must be cleared manually, but others clear automatically .
Refrigeration and compressor alarms are generally a
combination problem and fault alarm. The unit will first unload
to try and stay online, then turn off if unsuccessful.
All active alarms as well as the date and time that they were
detected are displayed on the Active Alarm menu . These alarms
are displayed in order of priority . Higher priority alarms are
displayed first. The last fifty alarm "events" detected as well as
the date and times that they were detected are displayed on the
Alarm Log menu . An alarm "event" is either an alarm becoming
active or being cleared . A "+" symbol precedes the active alarm
event and a "-" symbol precedes the cleared alarm event . These
alarms are displayed in the order that they were detected . The
alarm that was detected most recently is displayed first. Multiple
occurrences of the same alarm may appear .
39
OM 1263 • MICROTECH UNIT CONTROLLER
Alarms
Alarms
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