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YORK INTERNATIONAL
36
FORM 160.55-O1 (604)
PRE-ROTATION VANES CALIBRATION SCREEN
OVERVIEW
This screen displays a cutaway view of the chiller com-
pres sor, revealing the pre-rotation vanes and pro vides
the capability of calibrating the pre-rotation vanes for
either Variable Speed Drive or Hot Gas By pass ap pli -
ca tions.
Requires a login ac cess level of SER-
VICE. Service Technicians refer to
YORK Service Manual 160.55-M1
for operation instructions and ex pla -
na tion of all programmable setpoints
and displayed values.
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 fail ure.
Hot Gas PRV Voltage
Displays the Pre-rotation Vanes position potentiom-
eter feed back voltage when the Hot Gas Feature is
En abled.
PROGRAMMABLE
Start Calibration
This option is hidden after cal i bra tion has start ed.
Ser vice Technicians refer to YORK Ser vice Manual
160.55-M1 for an ex pla na tion of this setpoint.
Cancel Calibration
This option only becomes available after calibration
has started. Service Technicians refer to YORK Service
Man u al 160.55-M1 for an explanation of this setpoint.
NAVIGATION
Home
Access Level Required: VIEW
Causes an instant return to the Home Screen.
Compressor
Access Level Required: VIEW
Return to the Compressor Screen.
00354VIP
FIG. 13
OptiView Control Center