Table 8: Programmable
Button
V09 software
and earlier
V10 and later
with YORK
Chiller Access
Manager
Description
Login View View
Changes access level when the correct password is entered at the prompt
(V09 and earlier).
Logout Operator Standard
Displays when a user is logged on at any level other than View. Pressing it
returns the access level to View.
Print View View
Exports a copy report of the present system status to the RS-232 serial
port. This provides a snapshot of the primary operating conditions at
the time the button is pressed. The History screen provides enhanced
reporting capability. This button is not present if the RS-232 serial port is
in use.
Clear Fault View View
Clears a fault and corresponding message. When safety conditions have
been detected, the chiller shuts down, and the main status display of
the chiller displays a message indicating the cause of the shutdown.
This button clears the fault and message when the condition has been
removed. The button only shows if the condition can be cleared. If the
chiller has a standing local or remote run command, it starts when the
button is pressed.
Start View View
Allow you to select Enter to set the Local Run/Stop to Run run or Cancel
to leave the Local Run/Stop to Stop. This button is only available when the
Local Run/Stop is set to Stop. Enter causes the chiller to start if the control
source is local, or permits run if the Run/Stop source is any remote mode.
Soft Stop View View
Displays whenever the Local Run/Stop is set to Run. It shows in place of
the Start button. Pressing this button allows you to select Enter to set the
Local Run/Stop to Stop or Cancel to leave the Local Run/Stop set to Run.
Enter sets the Local Run/Stop to Stop and causes the chiller to perform
a soft shutdown is it is running when pressed. This button must always
be used to stop the chiller unless an emergency situation exists, in which
case the Safety Stop button can be used.
29Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center
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