York YK-EP Operation And Maintenance Manual page 48

Table 29: Display only
Field/LED
Access level
name
Compressor
Service
Time
Estimated
Refrigerant Service
Flow
Start
and Stop
Service
Refrigerant
Flow
Table 30: Programmable
Button Access Level Description
PRV Stroke
Admin
Time
PRV Period Admin
PRV Period Service
Table 31: Navigation
Button Access Level Description
Home View
Compressor Service
Economizer Service
VGD Service
Capacity
Service
Control
Motor Service
PRV Calibrate Service
Operations Service
48
Description
This value displays the economizer compressor time in use or time
remaining of the active compressor status level.
An estimation of refrigerant flow since compressor start.
Used in the estimation of refrigerant flow.
Displays the amount of time required for the Pre-Rotation Vane
movement.
Displays the period time for the PRV.
Allows the service technician to jog the economizer compressor to
check rotation.
Returns user to HOME Screen.
Navigates to the COMPRESSOR Screen.
Navigates to the ECONOMIZER Screen.
Moves to the subscreen for the VGD.
Navigates to CAPACITY CONTROL Screen.
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.
Moves to the subscreen that allows calibration of the Economizer
PRV feedback potentiometer.
Navigates to the Economizer Operation screen.
YK-EP Style B Centrifugal Chiller