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still present after power is restored, no matter which method was used to reset the alarms.
For example, if the Room Sensor Failure alarm is active when the alarms are reset but the
unit is still configured for MRT control and the room sensor is disconnected, the Room
Sensor Failure alarm will regenerate.
To reset an alarm on an MRT-Expert or MDT-Expert system, scroll through the menu
tree, locate the Unit Resets branch and select Alarm. Press the Enter key. The word OFF
should flash. Now press the INC key and the word ON should flash on the display. Press
the Enter key again and ON should stop flashing. Repeat this process so the word OFF is
displayed and not flashing. The alarm has now been cleared and the Alarm RS function
has been rearmed. See the
Menu Selection Tree for BACview
section of this manual for
more information about navigating the
BACview
menus.
Always change the Alarm Reset parameter to OFF after resetting the alarms.
If the Alarms Reset parameter was left in the ON state continuously, the alarms can still
trigger on alarm conditions, however, to reset the alarms from this state you must move
change the Alarm Reset parameter to OFF, then ON, then OFF again. Otherwise, the
alarms will not reset and you will not be alerted if an alarm that was previously triggered
happens to trigger again during the period the alarm remained active.
A history of alarms can be viewed on the Alarms screen of the
BACview
.
To view the
alarms history, locate the Alarms page in the
BACview
menu tree. The alarms history
shows active alarms, alarms that have returned to normal, and manually cleared alarms.
CALIBRATE
The Calibrate function forces the controller to recalibrate the return air flow station. The
recalibration will occur immediately if the fan is running or at the next fan start. To
recalibrate scroll through the menu tree, locate the Unit Resets branch and select
Calibrate. Press the Enter key. The word OFF should flash. Now press the INC key and
the word ON should flash on the display. Press the Enter key again and ON should stop
flashing. Repeat this process so the word OFF is displayed and not flashing. The
calibration has now been initiated and the Calibration function has been rearmed.
The Calibrate function will occur automatically each day. At 3:00 AM a flag is set within
the controller. This flag instructs the controller to recalibrate the return air flow station
immediately if the fan is running or at the next fan start.
FAN COUNT
Fan Count records each fan start. To reset a fan count scroll through the menu tree, locate
the Unit Resets branch and select Fan Count. Press the Enter key. The word OFF should
flash. Now press the INC key and the word ON should flash on the display. Press the
Enter key again and ON should stop flashing. Repeat this process so the word OFF is
displayed and not flashing. The fan count has now been cleared and the Fan Count
function has been rearmed.
HEATING COUNT
Heating Count records each burner start. To reset a heating count scroll through the menu
tree, locate the Unit Resets branch and select Heating Count. Press the Enter key. The