Alarm History - Trane Manhattan Gen II Installation, Operation And Maintenance Manual

When all non-active alarms have been acknowledged,
only active alarms will remain on the list.
Description
This column describes the nature of each alarm.
Time
This column is the date-time stamp indicating exactly
when the alarm occurred.
Check / Uncheck All
This button is used for selecting and deselecting all listed
alarms with a single action.
'Hide Not Triggered' Drop Down Menu
This is used to either list all the alarms, both active and
non-active, or only active alarms (the default selection).
Ack
Pressing this button acknowledges the alarm and removes
it from the active alarms list.
Reset
Pressing this button allows a specific non-active alarm to
remain on the active alarms list.
Figure 17. Alarm history
The alarm history screen displays the history of alarms
recorded by the client microprocessor (See above figure).
Sort History Items
The alarm history list can be sorted by any column in
ascending or descending order by tapping the
corresponding column heading. The triangle that appears
ARTC-SVX002A-EN
Save
Pressing this button saves the changes made to the active
alarms list. Any changes that are made without saving will
be lost.
Reset PLC
This button, located in the upper right portion of the
screen, resets the active alarms in the client
microprocessor, so they could be further acknowledged or
reset on the touchscreen interface.
Only those alarms for which the alarm condition is 'false'
can be reset in the microprocessor controller; otherwise,
the RESET PLC button will have no effect.
A list of all chiller alarms are found in the Troubleshooting
chapter.

Alarm History

On the active alarms screen, pressing the alarm history
button displays the alarm history screen.
next to the heading indicates which column is being sorted
and the direction of sorting.
Sorting is applied to the alarm time column in ascending
order by default, which is indicated when the triangle is
pointing up. Ascending order for the alarm time column
Operating Procedures
31