Table 9: Programmable
Button Access Description
Login View
This key allows the user to change Access Level when the
correct password is entered at the prompt.
Logout Operator
This key is displayed when a user is logged in at any level
other than VIEW. Pressing it will return the access level to
VIEW.
Print View
Use this key to generate a hard-copy report of the present
system status. This provides a snapshot of the primary
operating conditions at the time the key is pressed. The
History page provides enhanced reporting capability. (See
HISTORY Screen.) This option will not be present if the chiller
is presently configured to print History, New Data, which
continuously logs.
Clear Fault View
When safety conditions have been detected, the chiller is
shutdown, and the main status display of the chiller will
display a message indicating the cause of the shutdown.
Using this key, the fault and message can be cleared once
the condition has been removed. The key only shows when
the condition can be cleared. If the chiller has a standing
Local or Remote run command, it will start when the key is
pressed.
Warning Reset Operator
Use of this key acknowledges a warning condition and resets
the message display associated with it.
Start Operator
This key is only available when the chiller does not have a
local run request. Pressing this key allows selection of enter
to run or cancel to abort to stopped. Enter causes the chiller
to start if control source is LOCAL, or permits run if control
source is any remote.
Soft Stop Operator
This key is only available when the chiller is in local mode
and has a local run request. It shows in place of the start key.
Pressing this key allows selection of enter to stop or cancel
to remain running. Enter causes the chiller to perform a soft
shutdown and disables the remote run permissive.
Table 10: 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, Magnetic Bearing Control, Variable Geometry Diffuser, and
calibration.
Capacity Control A detailed view of all the parameters associated with capacity control.
33
YMC
2
Mod B with OptiView
™
Control Center