Table 15: Programmable
Button Access Description
Login View Use this button to change the access level when the correct password is
entered at the prompt.
Logout Operator This button appears when a user is logged on at any level other than the
view level. Pressing it returns the access level to the view level.
Print View Use this button to generate a hard-copy report of the present system status.
This provides a snapshot of the primary operating conditions at the time the
button is pressed. The history page provides enhanced reporting capability.
See History screen. This option is not present if the chiller is presently
configured to print history, new data, which continuously logs.
Clear Fault View When safety conditions are detected, the chiller is shut down, and the main
status display of the chiller displays a message indicating the cause of the
shutdown. Use this button to clear the fault and message when the condition
has been removed. The button only appears when the condition can be
cleared. If the chiller has a standing local or remote run command, it starts
when the button is pressed.
Warning Reset Operator Use this button to acknowledge a warning condition and reset the message
display associated with it.
Start Operator This button is only available when the chiller does not have a local run
request. Press this button to select enter to run the chiller or cancel to abort
or stop. Enter causes the chiller to start if the control source is local, or
permits run if control source is any remote.
Soft Stop Operator This button is available only when the chiller is in local mode and has a local
run request. It shows in place of the start button. Press this button to select
enter to stop the chiller or cancel to remain running. Enter causes the chiller
to perform a soft shutdown and disables the remote run permissive.
Table 16: Navigation
Button Description
System Used to provide additional system information.
Evaporator A detailed view of all evaporator parameters, including the programmable leaving chilled
liquid setpoints.
Condenser A detailed view of all condenser parameters, including control of the liquid level functions.
Compressor A detailed view of all the compressor parameters. This includes surge protection,MBC,
variable geometry diffuser (VGD), and calibration.
Capacity Control A detailed view of all the parameters associated with capacity control.
VSD A detailed view of the motor and VSD parameters. This allows programming of the current
limit and the pulldown demand limit values.
Setpoints This screen provides a single location to program the most common system setpoints. It is
also the gateway to many of the general system setup parameters such as date/time, display
units, scheduling, and printer setup.
History This screen provides access to a snapshot of system data at each of the last 10 shutdown
conditions, and provides for trending operating parameters.
YMC
2
Mod B with OptiView Control Center
38
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