York YK Style H Operation Manual page 76

Table 63: Programmable
Button
Set
Auto
Fixed
Raise
Lower
Manual Increment
[Pre-rotation Vanes] Open
[Pre-rotation Vanes] Close
[Pre-rotation Vanes] Hold
[Pre-rotation Vanes] Auto
Table 64: Navigation
V09 software
Button
and earlier
Home View
Compressor View
76
Description
Allows manual programming of the Command Frequency value. Manually
programming this value will put the drive frequency control in Manual Speed Control
mode and send the programmed Command Frequency to the drive.
Puts the drive frequency control in automatic control. The Pre-rotation Vanes
calibration must have been successfully performed before this entry will be accepted.
Automatic is the default setting.
Puts the drive frequency control in fixed speed mode, commanding it to run at
maximum frequency (50 Hz or 60 Hz).
Puts the drive frequency control into manual mode. Each time it is pressed it increases
the Command Frequency to the drive by the amount defined by the MANUAL
INCREMENT key. It will not raise the value above the maximum allowed (50 Hz or 60
Hz).
Puts the drive frequency control into manual mode. Each time it is pressed it lowers
the Command Frequency to the drive by the amount defined by the MANUAL
INCREMENT key. It will not lower the value below the minimum allowed; (30 Hz for 60
Hz units; 25 Hz for 50 Hz units).
Defines the amount by which the manual Raise and Lower commands will change the
Command Frequency to the drive in Manual Speed Control mode.
Puts the vane control into manual mode and sends an OPEN command to the vanes.
Puts the vanes control into manual mode and sends a CLOSE command to the vanes.
Puts the vane control into manual control and sends a HOLD command to the vanes.
Puts the vane control into automatic mode.
V10 and later
with YORK
Description
Chiller Access
Manager
View Returns the user to Home Screen.
View Returns the user to Compressor Screen.
Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center