York YK Style H Operation Manual page 29

Table 8: Programmable
V09 software
Button
and earlier
Login View
Logout Operator
Print View
Clear Fault View
Start View
Soft Stop View
Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center
V10 and later
with YORK
Description
Chiller Access
Manager
Changes access level when the correct password is entered at the prompt
View
(V09 and earlier).
Displays when a user is logged on at any level other than View. Pressing it
Standard
returns the access level to 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
View the time the button is pressed. The
reporting capability. This button is not present if the RS-232 serial port is
in use.
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.
View 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.
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
View
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.
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.
View 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.
History screen provides enhanced
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