York YK-EP B Operation & Maintenance Manual page 40

SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
NAVIGATION
Home
Access Level Required: VIEW
Returns user to HOME Screen.
Proximity Probe Calibrate
Access Level Required: SERVICE
Moves to a subscreen that allows the calibration of the
High Speed Thrust Bearing Proximity Probe.
Pre-Rotation Vane Calibration
Access Level Required: SERVICE
Only available if the chiller is stopped and the system
uses a Variable Speed Drive or Hot Gas Bypass con-
trol. Moves to the subscreen allowing calibration of the
Pre-Rotation Vanes.
VSD Tuning (Variable Speed Drive Only)
Access Level Required: SERVICE
Moves to the subscreen allowing advanced tuning of
the Variable Speed Drive.
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Hot Gas
Access Level Required: SERVICE
Moves to a subscreen that allows programming of the
Hot Gas Bypass control setpoints and manual control of
the Hot Gas Bypass valve. Only displayed if Hot Gas
Bypass feature has been enabled on the OPERATIONS
Screen.
Surge
Access Level Required: VIEW
Moves to the subscreen that allows viewing and pro-
gramming of the Surge Protection feature.
VGD
Access Level Required: SERVICE
Moves to the subscreen that allows access to the Vari-
able Geometry Device
Economizer Compressor
Access Level Required: SERVICE
Moves to the subscreen that shows the Economizer
Compressor and its operation.
FORM 160.87-OM1
ISSUE DATE: 8/24/2018
JOHNSON CONTROLS