ACCESSORIES
Section
6-5
When you press the “Start” button on the laser system, the Air Assist control box will send out a +5 VDC
signal through the AUX OUT control wire, which can be used to turn ON the Air Compressor (optional)
and will keep the Air Compressor ON until the file completes. This type of control saves electricity,
reduces the running time of the compressor, and reduces ambient noise when the laser system is not
running.
The control box also has built in pressure sensors that will detect insufficient supply pressure and will shut
down the laser system. An error message, “Warning Air Pressure?” will appear on the display, indicating
that there is a problem with your supply of either air or gas.
Control Panel Selections
Before you run your material, we suggest that you adjust your air and/or gas flow. To do this, you must
first power ON your laser system, activate your compressed air supply, and your gas supply (if
applicable). After the laser system finishes “INITIALIZING” and goes to “READY”, press the ESCAPE
button once. Bring the cursor down to “PREFERENCES” and press SELECT. While the cursor is on the
“CONFIGURATION” line, press SELECT again. Position the cursor on the “AIR ASSIST” line. Now, by
pressing SELECT you can toggle that option through four choices, “AUTO”, “AIRL”, “AIRH”, and “GAS”.
AUTO
This is the default selection. It allows the control box to be automatically controlled by printer driver
selections. It also serves as an “OFF” selection if you choose “OFF” in the printer driver.
AIRL
Manually activates the “LOW” valve solenoid when the “START” button, on the laser systems control
panel, is pressed.
AIRH
Manually activates the “HIGH” valve solenoid when the “START” button, on the laser systems control
panel, is pressed.
GAS
Manually activates the “GAS” valve solenoid when the “START” button, on the laser systems control
panel, is pressed.
Adjusting Air or Gas Flow
We now need to set the flow rate through the cone. We can do this by manually activating a solenoid
valve and adjusting the needle valve to achieve desired flow through the cone. With your laser system
powered ON and NO files downloaded to the laser, select “AIRL” in the control panel. Press the ESCAPE
button several times to get back to the “FILE DISPLAY” menu. Now press the START button. You will
hear and audible “click” and the air will start flowing through the cone. With the top door of the laser
system open, pass a piece of paper underneath the cone and use it to note the amount of air flowing
through the cone and against the paper. Adjust the LOW pressure adjustment valve until either the
desired airflow or PSI reading on the gauge is achieved. Clockwise adjustments reduce flow while
counterclockwise adjustments increase flow. If you close the pressure adjustment valve too much, there
might not be enough flow to keep the pressure sensor inside of the control box activated. This can trigger
a “Warning Air Flow?” message to appear on the display of the laser system. If this happens, press
ESCAPE, open the needle valve, and try it again.
DO NOT
adjust the pressure adjustment valve while
there is NO air flowing as air flow through the cone is required for the gauge to display actual flow. Once
desired flow is achieved, press the PAUSE button to deactivate the solenoid valve. Repeat the above
procedure to set the “AIRH” (HIGH) solenoid valve pathway to the cone.
To set the GAS pressure (if applicable), repeat the above procedure again with the exception that your
gas flow has to be regulated and adjusted by an external regulator mounted on the gas tank or in-line
between the tank and the laser system.
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