York YK Style H, Руководство по эксплуатации

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Table 63: Programmable
Button Description
Set
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.
Auto
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.
Fixed
Puts the drive frequency control in fixed speed mode, commanding it to run at
maximum frequency (50 Hz or 60 Hz).
Raise
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).
Lower
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).
Manual Increment
Defines the amount by which the manual Raise and Lower commands will change the
Command Frequency to the drive in Manual Speed Control mode.
[Pre-rotation Vanes] Open Puts the vane control into manual mode and sends an OPEN command to the vanes.
[Pre-rotation Vanes] Close Puts the vanes control into manual mode and sends a CLOSE command to the vanes.
[Pre-rotation Vanes] Hold Puts the vane control into manual control and sends a HOLD command to the vanes.
[Pre-rotation Vanes] Auto Puts the vane control into automatic mode.
Table 64: Navigation
Button
V09 software
and earlier
V10 and later
with YORK
Chiller Access
Manager
Description
Home View View Returns the user to Home Screen.
Compressor View View Returns the user to Compressor Screen.
Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center 76