Taylor-Wharton Auto Fill Laser Pak User Manual
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Message Meaning
Immediate System
Stop
Vessel “X” Pressure Low
Vessel pressure dropped below alarm setting.
No
Transmitter “X” Error
No signal from transmitter.
Yes
Vent to Bulk Time Out
Vent to Bulk time exceeded 10 minutes.
No
Fill Time Out
Fill time exceeded 10 minutes.
No
Filling Error
Supply vessel emptied before filling cycle
completed for other vessel.
No
Pressurization Time Out
Pressurization time exceeded 10 minutes.
No
Figure 14: Error Messages
Once the error has been resolved, the controller must be restarted. Restart the controller by pressing the
“Start/Stop” button inward and pulling it back outward. If the Auto-Fill Laser Pak has been emptied for
maintenance or remained in error mode for an extended period of time it will be necessary to follow the
“Restart” procedure above.
Taking the Auto-Fill Laser Pak Out of Service
In order to empty and depressurize the Auto-Fill Laser Pak, perform the following steps:
1.
Deactivate the system by pressing the “Start/Stop” button inward. Turn the alarm switch to the
“Off” position.
2.
Close the bulk tank liquid withdrawal valve.
3.
Close the vaporizer shut-off valve and open the system drain valve. (These valves are shown in
figure 9.) The system drain valve may be throttled as necessary to control noise.
4.
Open the liquid use solenoid valves (V-1A and V-1B).
5.
Monitor the liquid level in the vessels on the graphic interface. The vessels are empty when the
liquid level and pressure are zero. Note that the system may be empty and indicate a small
positive or negative value. This is normal transmitter error.
6.
Close the liquid use solenoid valves (V-1A and V-1B). Make sure that the manual overrides on
all solenoid valves are in the closed position.
7.
Crack open the bulk tank liquid withdrawal valve for a second to slightly pressurize the Auto-Fill
Laser Pak. Bleed the pressure down on both vessels to approximately 20 psi using the vent
solenoid valve (V3) manual override handles.
8.
Turn the power switch to the “Off” position.