CHART Trifecta XPro Series, Product Manual

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15 Product Manual - Trifecta
®
XPro Series
Parameter Settings
Initial power up from the factory will require some
parameters to be set. The display flashes “Reset Values” on
the lower line of the main display No valves will operate
while this display is flashing. The Reset Values mode can
occur if the power is left off the system for more than two
weeks
Reset Values
To set these parameters without running the system, switch
the MON/OFF/RUN switch found on the front of the control
panel to the “MON” position. “Monitor” will flash on
the lower line of the main display The valves will not be
controlled by the PLC when “Monitor” is in the display
Note: If power is off for two weeks, the
volatile memory will be lost. In this
case, parameters MUST be reset before
operations continue. Reset parameters
to default settings by switching to
“Monitor” mode and pressing the left
arrow five times. Reset parameters to site
requirements prior to switching to “Run”
position.
Operation
Setting Pressure Set Points
Three settable parameters are accessible from the PLC
buttons These parameters are key to setting all parameters
• Pressing the “Left” arrow button accesses the pressure
building set points
• The “PBOff” set point is always 25 psi higher than the
“PBOn” set point
• At the “PBOn” pressure the system turns on the primary
tanks PB valve
• The “PBOff” set point is the pressure that the system
turns off the primary PB valve.
• The secondary tanks PB “Hold” pressures are a function
of these values
• Pressing and holding the “Left” arrow and pressing the
“+” button or the “-” button will adjust the set points