York YK Style H, Руководство по эксплуатации

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Table 90: Display only fields
Field/LED name Description
Mapping Inhibited (LED)
Illuminates while the Microboard ACC function is not permitted to map points or
reduce speed due to unstable Leaving Chilled Liquid Temperature, manual speed
control, current limit in effect (chiller FLA only) or during Soft Shutdown otherwise, it is
extinguished.
ACC Surge Detected (LED)
Illuminates momentarily when a surge is detected by the ACC function in the
Microboard, while the drive is running at less than maximum frequency.
Speed Decrease Inhibit – Surge Map
Point (LED)
Illuminates when the Microboard ACC function is not permitted to reduce speed due
to a mapped surge point. Otherwise, it is extinguished.
Temperature Differential (LCHLT –
Setpoint)
Displays the difference between the Leaving Chilled Liquid Temperature and the
Leaving Chilled Liquid Temperature Setpoint.
VSD Output Frequency
Selected: Displays the drive output frequency of the selected surge point. Present:
Displays the present drive output frequency.
PRV Position
Selected: Displays the PRV position of the selected surge point. Present: Displays the
present PRV position.
Delta P/P
Selected: Displays the Delta P/P of the selected surge point.
Present: Displays the present Delta P/P.
Note: For fields requiring access level of SERVICE. Service Technicians refer to the OptiView
Control Center - Service Instructions (Form 160.76-M1) for operation instructions and explanation
of all programmable setpoints and displayed values.
Table 91: Programmable
Button Description
Map View Allows a Service Technician to change the view from table to list.
Manual Surge Point
Allows the Service Technician to manually log the present running conditions into
the surge map as a valid surge point. When this key is pressed, a dialog bog appears
requesting a special password to proceed.
Remove Surge Point
Allows the Service Technician to remove a mapped surge point. When this key is
pressed, a dialog box appears requesting a special password to proceed. The surge
point is selected by placing the green box over the desired point. Then the Remove
Surge Point key is pressed to remove it.
Table 92: Navigation
Button
V09 software
and earlier
V10 and later
with YORK
Chiller Access
Manager
Description
Home Service JCI Service Returns the user to Home Screen.
Capacity
Control
Service JCI Service Returns the user to the Capacity Control Screen.
ACC Details Service JCI Service Returns the user to ACC Screen.
Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center 96