York YK-EP Operation And Maintenance Manual page 90

Table 78: Setpoints
Button Access level
Econ
Temperature
Control Max Admin
Loading
Delta
Econ
Temperature
Control Max Admin
Unloading
Delta
Econ
Temperature Admin
Control Kp
Econ
Temperature Admin
Control Ti
Econ
Temperature Admin
Control Td
Econ PRV
Admin
Output Gain
Table 79: Programmable
Button Access level
Change Service or
Setpoints Admin
Default
Service
Setpoints
Table 80: Navigation
Button Access level
Home View
Capacity
Service
Control
Anti-Surge
Service
Tuning
90
Description
Range 0.1 to 100.0, Default 1.0
Displays the maximum temperature difference used to initiate
changes in the economizer mode.
Range 0.1 to 100.0, Default 1.0
Range 0.1 to 15.0, Default 5.0
Adjusts the Proportional Gain.
Range 0.1 to 200.0, Default 25.0
Adjusts the Integral Gain.
Range 0.0 to 200.0, Default 0.0
Adjusts the Derivative Gain.
Range 0.1 to 10.0, Default 1.0
Displays the output gain used to control the economizer Pre-
Rotation Vanes.
Description
Pressing this button will display a green box around the first
programmable item on the screen. The arrow keys can be used to
move the box around to select the item to program.
Pressing this button will display a dialog box telling the user to
"Press Enter to set all Econ Capacity Control Setpoints to their
default value. Press Cancel to leave setpoints unchanged." If the
user presses Enter, all Econ Capacity Control Setpoints will return to
the default settings.
Description
Returns the user to the HOME Screen.
Allows the user to navigate to the Economizer Capacity Control
Screen.
Allows the user to navigate to the Econ Anti-Surge Tuning Screen.
YK-EP Style B Centrifugal Chiller