Using Low Pressure 350 Lb. Dewar Tank - Ultratec Eclipse G3000 Operator's Manual

Using Low Pressure 350 lb. Dewar Tank

1) Connect CO2 hose to bottom valve on Eclipse (labeled Refrigerated or Low Pressure). The second
connection must be to the Liquid output of the Liquid CO2 Dewar Tank. This is usually clearly
indicated on the Liquid CO2 Tank output. Depending on the type of fitting provided for the liquid
output on the Dewar tank, a sealing washer may be necessary to prevent leaks when connecting
the CO2 hose to the tank. This will normally require the use of the 320 to 622 fitting adapter.
2) Tighten the CO2 supply fittings snug with appropriate wrench.
3) The Liquid CO2 Tank pressure as indicated on the pressure gauge must read between 300-340 psi
to operate the Eclipse. This is achieved by opening the pressure builder valve at least one to three
hours in advance of use; by turning it fully counterclockwise.
NOTE: Dewar operation requires it to consume some of the CO2 to keep it cold. Dewars must be
store where some venting can safely be tolerated. Venting can be extremely noisy and releases
CO2 gas out of the dewar vent port.
4) Open the liquid CO2 valve slowly to check for leaks then open fully, by turning counterclockwise.
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