York YK Style H Operation Manual page 96

Table 90: Display only fields
Field/LED name
Mapping Inhibited (LED)
ACC Surge Detected (LED)
Speed Decrease Inhibit – Surge Map
Point (LED)
Temperature Differential (LCHLT –
Setpoint)
VSD Output Frequency
PRV Position
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
Map View
Manual Surge Point
Remove Surge Point
Table 92: Navigation
V09 software
Button
and earlier
Home Service
Capacity
Service
Control
ACC Details Service
96
Description
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.
Illuminates momentarily when a surge is detected by the ACC function in the
Microboard, while the drive is running at less than maximum frequency.
Illuminates when the Microboard ACC function is not permitted to reduce speed due
to a mapped surge point. Otherwise, it is extinguished.
Displays the difference between the Leaving Chilled Liquid Temperature and the
Leaving Chilled Liquid Temperature Setpoint.
Selected: Displays the drive output frequency of the selected surge point. Present:
Displays the present drive output frequency.
Selected: Displays the PRV position of the selected surge point. Present: Displays the
present PRV position.
Selected: Displays the Delta P/P of the selected surge point.
Present: Displays the present Delta P/P.
Description
Allows a Service Technician to change the view from table to list.
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.
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.
V10 and later
with YORK
Description
Chiller Access
Manager
JCI Service Returns the user to Home Screen.
JCI Service Returns the user to the Capacity Control Screen.
JCI Service Returns the user to ACC Screen.
Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center