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Setting Up
Connecting the Gas Lines
The AQUATRAN 3/38 has a gas inlet for connection of the Carrier Gas (nitrogen) supply. This compression fitting is
intended for use with 1/8" copper tubing. Refer to Figure 2-3 and Figure 2-4 for the location of the fitting and an
example of plumbing system diagram.
The optional Starter Kit (054-161) contains 50 feet (14 meters) of tubing in addition to extra compression nuts,
ferrules and grease.
Follow these steps to connect the gas supply lines:
1.
Remove the brass plug from the Carrier Gas fitting on the instrument back panel. Save this plug as it
will be needed later.
2.
Cut a piece of tubing approximately 6 inches in length (15 cm).
3.
Cut a piece of tubing approximately 10 inches in length (25 cm).
4.
Apply a thin coating of High Vacuum grease to four compression ferrules.
5.
Connect the Carrier Gas fitting on the instrument back panel to one side of the particulate filter
(051-791) using the shorter piece of tubing and two nuts and ferrules.
6.
Connect the other side of the particulate filter to the output fitting on a regulator tee using the
longer piece tubing and two nuts and ferrules.
7.
Cut a piece of tubing to connect the Desiccant Tower to the Carrier Gas (Nitrogen) supply.
8.
Apply a thin coating of High Vacuum grease to a compression ferrule.
9.
Connect the inlet fitting on the Desiccant Tower to the Carrier Gas (Nitrogen) supply regulator using
a nut and a ferrule. The inlet fitting on the Desiccant Tower is on the end of the chamber containing
the cover. Make sure the tube is inserted all the way into the fitting on the Desiccant Tower before
tightening the knurled nut.
10.
Cut a piece of tubing to connect the regulator tee to the Desiccant Tower.
11.
Apply a thin coating of High Vacuum grease to a compression ferrule.
2-8
Revision G
AQUATRAN 3/38 Operator's Manual
MOCON, Inc.
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