History screen
Figure 51: History screen
This screen allows the user to browse through the faults. For a more thorough reporting of the
system conditions at the time of the recorded shutdown, use the History Details subscreen.
Table 72: Display only fields
Field/LED name Description
Last Normal Shutdown Displays the date and time and the description of the last normal shutdown. A normal
shutdown is defined as:
• Local (Panel rocker switch)
• Remote (Digital, Analog or BAS (ISN))
Last Fault While Running Displays the date and time and the description of the last safety or cycling shutdown while
the system was running.
Last Ten Faults Displays a chronological listing (most recent first) of the date, time, and description of the
last ten safety or cycling shutdowns that occur while the system is running or stopped.
Table 73: Programmable
Button Description
Print History Generates a report listing the status of the parameters at the time of the selected shutdown.
Print All Histories Generates a report listing the status of the parameters at the time of each stored shutdown.
Table 74: Navigation
Button Description
Home Returns to the Home screen.
View Details Displays a select chiller parameters at the time of the associated shutdown.
Trending Displays a subscreen displaying trending data on selected chiller parameters.
Custom View Causes a move to a subscreen allowing the user to view the Custom Setup Screen.
Security Log Access level required: service. Displays a subscreen displaying a record of the last 75 setpoint
changes.
YMC
2
Mod B with OptiView Control Center
78
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