Graco EVR Instructions Manual page 39

Electric variable ratio proportioner
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Recirculation On: This is the amount of time the
system will continue to recirculate if the recirculation
made is set to timer.
Recirculation Off: This is the amount of time the
system will wait before starting the recirculation on
timer when the recirculation mode is set to timer.
Park Using Recirculation Valves: If this box is
checked, the park feature will park the pumps using the
recirculation valves instead of the dispense valves.
Park After Recirculation is Completed: If this box is
checked, along with park using recirculation valves, the
system will automatically start parking the system after
recirculation is completed. This can be canceled at any
time while parking the pumps.
NOTES: The recirculation on and recirculation off time
can only be set if the recirculation mode is set to timer.
Otherwise, recirculation on and recirculation off will be
grayed out.
If disabled is selected for the recirculation mode, all
other options on the screen will be grayed out.
Setup Screen 5
NOTE: This screen will only be displayed if the Voltex
Motor is connected to the EVR network.
Select this to enter or exit the editing mode
Edit Mode:
for the screen. Icon is gray when in edit mode and blue
when off.
Air Nucleation: This will enable the air nucleation
solenoid valve. This cycles while dispensing to dose air
into the mixed material.
3A8565C
Delay Time: The amount of time before the air
nucleation valve toggles between the on time and off
time.
On Time: The amount of time the air nucleation valve
stays on before toggling off.
Off Time: The amount of time the air nucleation valve
stays off before toggling back on.
Motor Speed: The RPM's that the motor will run at.
Motor Ramp Up Time: This changes the amount of
time in milliseconds the motor takes to get to the RPM
setpoint.
NOTE: 100ms is the fastest acceleration and 9000ms is
the slowest acceleration. The goal is to try and prevent
breaking mixers with a slower acceleration. Example:
500ms = half a second to get to the RPM setpoint of
4400RPM.
EVR Dispense Wait: This will cause the EVR to wait
until the Voltex motor is up to speed before dispensing.
Pressure Calibration:
1. Relieve pressure in the system using valve
depressurization. See Pressure Relief Procedure
on page 17.
2. Press the edit mode
3. Press the
soft key to automatically reset the
offsets to zero. The values can also manually be
changed and select minus or plus from the drop
down menus as appropriate for the calibration.
4. Press the
soft key to save changes and exit
editing mode
ADM Screen Overview
key.
39

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