FORM 160.77-O2
ISSUE DATE: 11/15/2011
SECTION 3 - YKEP CONTROL PANEL OPERATION
JOHNSON CONTROLS
25
3
Primary Motor Starts
Displays the number of starts the Primary Motor has
executed.
Economizer Motor Starts
Displays the number of starts the Economizer Motor
has executed.
Pri PRV Postion
Displays the open percentage of the Primary compres-
sor Pre-rotation Vanes from its feedback potentiometer.
Sec PRV Position
Displays the open percentage of the Economizer com-
pressor Pre-rotation Vanes from its feedback potenti-
ometer.
Primary Motor Run (LED)
LED is illuminated when the Primary Motor is run-
ning.
Economizer Motor Run (LED)
LED is illuminated when the Economizer Motor is run-
ning.
OVERVIEW
The “Home” screen is the default display screen on
the graphic display. The primary values which must
be monitored and controlled are shown on this screen.
The Home screen display depicts a visual representa-
tion of the chiller itself.
DISPLAY ONLY
Primary Motor Load
Displays the percentage of Full Load Amps (FLA) the
Primary Motor is currently running.
Economizer Motor Load
Displays the percentage of FLA the Economizer Motor
is currently running.
Primary Runtime
Displays the current length of time the Primary Motor
has been running.
Economizer Runtime
Displays the current length of time the Economizer
Motor has been running.
HOME SCREEN
LD10862
FIGURE 17 - HOME SCREEN
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