York YK-EP Operation And Maintenance Manual page 180

Note: *Select the desired Data Collection Interval as follows:
1. Determine the desired time interval (in seconds), between data samples.
2. Calculate the full screen time display as follows:
- 450 x Data Collection Interval equals full screen seconds.
- Full screen seconds/60 equals full screen minutes.
- Full screen minutes/60 equals full screen hours.
- Full screen hours/24 equals full screen days.
3. Decide if the resultant sample interval and full screen display meet the requirements. If
not, select a different sample interval.
Table 188: Navigation
Button Access level
Home View
Trend View
Slot Numbers
Triggers
180
Description
Returns user to HOME Screen.
Returns user to TREND Screen.
Causes a jump to a subscreen that lists the Slot Numbers of the
– most commonly monitored parameters. The desired parameters to
be plotted are selected from this screen.
Causes a jump to the Advanced TREND SETUP Screen, where the
– start/stop Triggers can be setup. Only displayed if triggered has
been selected as Chart Type.
YK-EP Style B Centrifugal Chiller