
Section 2 Preparation
2-11
If an optional waste cap is not used, ensure the waste lines are
secured so they drain into the waste container. Secure the
Waste Level Sense air tubing so its outlet is at least two inches
(5 cm) below the container’s maximum level. Seal the
container opening to avoid solvent vapors.
2.8 Optional External Gas
The Torrent has an internal air pump that provides
compressed air for solvent and waste level sensing, and
column/cartridge purging. Optionally, the system can deliver a
compressed gas instead of air. Inert or other gases may be
more suitable than air for some applications.
If ambient air is compatible with your solvents and waste,
simply leave the GAS INLET port open.
If you want to use a gas instead of air, connect user-supplied
1
8" I.D. tubing to the GAS INLET port. Connect the other end
to the user-supplied compressed gas. The external compressed
gas should be dry, filtered, and regulated to 2–5 psi (0.14–0.34
atm, 13.8–34.5 kPa).
2.9 Connect and Route Drain Line
Risk of fire or equipment damage. Failure to connect drain lines
may allow organic solvents to pool in unsafe areas, creating a
potential for dangerous levels of flammable vapors. Improper
draining may damage the instrument’s internal components.
The Torrent has a front-mounted drip tray. There is a drain
connection under the left side of the tray. Connect
user-supplied tubing to this drain and route it to a suitable
waste fluid collection container.
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