Fig. 13 - Pre-Rotation Vanes Calibration Screen - York YT Millennium Operating & Maintenance

OptiView Control Center
PRE-ROTATION VANES CALIBRATION SCREEN
FIG. 13
OVERVIEW
This screen displays a cutaway view of the chiller com-
pressor, revealing the pre-rotation vanes and provides
the capability of calibrating the pre-rotation vanes for
either Variable Speed Drive or Hot Gas Bypass appli-
cations.
Requires a login access level of SER-
VICE.
DISPLAY ONLY
Pre-Rotation Vanes Opening (LED)
Indicates the vanes are opening.
Pre-Rotation Vanes Closing (LED)
Indicates the vanes are closing.
Calibration in Progress (LED)
Indicates the calibration sequence is in progress.
Calibration Messages
These are text messages which step the user through the
calibration process and indicate its success or failure.
36
Hot Gas PRV Voltage
Displays the Pre-rotation Vanes position potentiometer
feedback voltage when the Hot Gas Feature is Enabled.
PROGRAMMABLE
Start Calibration
This option is hidden after calibration has started.
Cancel Calibration
This option only becomes available after calibration
has started.
NAVIGATION
Home
Access Level Required: VIEW
Causes an instant return to the Home Screen.
Compressor
Access Level Required: VIEW
Return to the Compressor Screen.
FORM 160.55-O1 (920)
00354VIP
YORK INTERNATIONAL