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Table 3. Module status conditions (continued)
Compressor 1 is running; Compressor 2 is not
running
Fan bank running
Active Alarms Screen
Figure 15. Active alarms for the heat pump
The active alarms screen lists all Active (Triggered) alarms
as a table.
•
Alarm is considered 'Active' (Triggered) if State Value' =
1, other words it's still active in the PLC
•
If alarm is 'Not Active' (Not Triggered), its State Value' =
0 and it can be reset using Reset button.
•
Both 'Active' and 'Not Active' alarms can be
acknowledged. When 'Not Active' alarm is
acknowledged, it can be reset, which will remove it from
the list, so only 'Active' alarms will remain on the list.
Select
This column indicates if the alarm is selected or unselected
for acknowledgment or resetting.
Action
This column gives alarm details if applicable.
Name
This column gives alarm name.
ARTC-SVX006A-EN
Compressor 1 is running; Compressor 2 is in alarm
Fan bank not running
Alarm Status
This column displays the alarm state. There are five
possible states for any alarm:
•
•
•
•
•
Both active and non-active alarms can be acknowledged.
When a non-active alarm is acknowledged, it can be reset,
which immediately removes it from the active alarms list.
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.
TRIGGERED (ACTIVE) / NOT ACKNOWLEDGED
TRIGGERED (ACTIVE) / ACKNOWLEDGED
NOT TRIGGERED / NOT ACKNOWLEDGED
NOT TRIGGERED / ACKNOWLEDGED
NOT TRIGGERED - Alarm went away (inactive),
acknowledged and reset (removed from Active Alarms
list)
Operating Procedures
Fan bank in alarm
27
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