York YK-EP, Operation And Maintenance Manual

Page: 52 / 268

Table 34: Display
Field/LED name Description
Vane Motor Switch
Displays the state of the Vane Motor Switch as being either open or
closed.
PRV Position
Displays the position of the Pre-Rotation Vanes in percent over the
range of 0% (full close) to 100% (full open).
% Full Load Amps
Displays the full load amps of the economizer compressor motor in
percentage.
Calibration in Progress
(LED)
Indicates the calibration sequence is in progress.
Note:
For fields requiring access level of SERVICE. Qualified service technicians should refer to
the OptiView Control Center Service for operation instructions and explanations of all
programmable setpoints and displayed values.
Table 35: Programmable
Button Description
PRV Actuator Mode
Displays the Pre-Rotation Vanes actuator mode as Manual or
Automatic.
Open Pressing this button will open the Pre-Rotation Vanes.
Close Pressing this button will close the Pre-Rotation Vanes.
Hold
Pressing this button will hold the Pre-Rotation Vanes in a set
position.
Auto
Pressing this button will set the economizer Pre-Rotation Vane
actuator command to Auto. This button will be enabled only when
the Economizer PRV Actuator Mode is not Manual.
Start Calibration
Pressing this button begins the calibration process. When the
Start button is pressed, it will change to a Stop Calibration button.
Pressing the Stop Calibration button will stop the calibration process
and change the button back to the Start Calibration button
Table 36: Navigation
Button
Access level
required
Description
Home View Returns user to HOME Screen.
Economizer
Compressor View
Returns user to ECONOMIZER COMPRESSOR screen
YK-EP Style B Centrifugal Chiller 52