McQuay WSC Operating Manual page 20

Action Buttons for:
• AUTO and STOP buttons, normal start (AUTO) and STOP button activates the normal start
and shutdown sequence. These buttons are only active when the control is in the "Local
Control" mode. This eliminates the possibility of inadvertently shutting off the unit locally
when it is under control of a remote signal such as a BAS.
• HISTORY, toggles between the Trend History screen and the Alarm History screen.
• SET, toggles between the Set Points screen that are used for changing setpoints and the
Service screen.
Returning
Pressing the VIEW button from any screen will return to the HOME VIEW screen.
Figure 6, Detail View Screen
Pressing the VIEW button on the bottom of the Home View screen (Figure 5) accesses the Detail View
Screen shown above.
temperatures and lubricant data.
Pressing the STATE button will bring up a display of the compressor state as described in Figure 9 on
page 22.
Pressing the I/O button displays the status of the compressor inputs and outputs as described on page 22.
Dual compressor units will have a COMP button that will toggle between the two compressors' data,
allowing the STATE and I/O detail screens to be viewed for either compressor.
Pressing the UNIT I/O button displays the unit inputs and outputs as described in Figure 11 on page 1.
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This screen gives additional information on the refrigerant pressures and
OM Centrif Micro ΙΙ-5