York YK-EP, Руководство по эксплуатации и обслуживанию, Страница: 48 / 268

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