Proximity Probe Calibration Screen - York YD Mod D Operation Manual

Proximity probe calibration screen

Figure 12: Proximity probe calibration screen
This screen displays a cutaway view of the chiller compressor, revealing the proximity probe sensor
and provides the capability of calibrating the proximity probe sensor. The appearance of this screen
is the same for compressor #1 and compressor #2.
Note: Requires a login access level of SERVICE.
Table 21: Display only fields
Field/LED name
High speed thrust bearing proximity
position
High speed thrust bearing proximity
reference position
Oil pressure
Calibration in progress (LED)
Calibration messages
Table 22: Programmable
Button Access level
Enter reference Service
Start calibration Service
Cancel calibration Service
Accept calibration Service
Fault
Service
acknowledge
44
Description
Displays the distance between the high-speed thrust collar and the proximity probe
that is used to measure the position.
Displays the presently defined offset reference position. This value is defined at the
conclusion of a calibration sequence.
Displays the pressure differential between the pump oil pressure transducer
(compressor bearing input) and the sump oil pressure transducer. If either of the
transducers used to calculate this differential is out of range, the display field will show
XX.X.
Indicates that the calibration sequence is in progress.
These are text messages which step the user through the calibration process and
indicate its success or failure.
Description
Allows the Service Technician to enter a previously recorded reference when replacing
a microboard.
This starts the calibration procedure. This key is hidden after calibration has started.
This option only becomes available after the calibration has started.
The key is pressed to accept the calibration. This key option only becomes available
after the calibration sequence is complete.
This option is only displayed if a fault is present. Allows clearing of High Speed Thrust
Bearing related shutdowns.
Model YD Mod D with OptiView Control Center