2150EX AV Flow Module - Isco
2150EX AV Flow Module - Isco
2150EX AV Flow Module - Isco
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<strong>2150EX</strong> Area Velocity <strong>Flow</strong> System<br />
Section 5 Maintenance<br />
5.4.1 Replacing the<br />
Desiccant: <strong>AV</strong> <strong>Module</strong><br />
Collar<br />
The desiccant is contained in a cartridge located on the left side<br />
of the <strong>2150EX</strong>. To remove the cartridge, unscrew the collar and<br />
slide the cartridge out of the <strong>2150EX</strong>. The opaque tube reveals<br />
the silica gel desiccant inside.<br />
CAUTION<br />
To prevent static electricity, do not replace silica in potentially<br />
explosive atmospheres. Empty and fill the desiccant cartridge<br />
in a safe area.<br />
Cartridge<br />
5.4.2 Replacing the<br />
Desiccant: Battery<br />
<strong>Module</strong><br />
5.4.3 Reactivating the<br />
Desiccant<br />
To replace the silica gel desiccant:<br />
1. Hold the cartridge upright with the collar at the top.<br />
2. As shown to the left, push the collar off the cartridge.<br />
3. Empty the saturated silica gel beads or granules.<br />
4. Fill the tube with new (P/N 099-0011-03) or reactivated<br />
(see section 5.4.3) silica gel desiccant.<br />
5. Press the collar onto the tube.<br />
6. Slide the cartridge into the <strong>2150EX</strong> <strong>Module</strong>. Tighten the<br />
collar to seal the cartridge in place.<br />
A bag of desiccant is located inside each of the battery caps<br />
behind a retaining plate. To replace the desiccant:<br />
1. Loosen the two mounting screws that secure the metal<br />
retaining plate.<br />
2. Rotate the retaining plate until it is free from the mounting<br />
screws.<br />
3. Remove the spent desiccant bag from the cap and replace it<br />
with a new (P/N 099-0002-33) or reactivated (see section<br />
5.4.3) bag.<br />
4. Replace the retaining plate and secure it with the screws.<br />
Silica gel beads, granules, and bags of desiccant can be reactivated.<br />
CAUTION<br />
Desiccant may produce irritating fumes when heated. Observe<br />
the following precautions:<br />
• Use a vented oven in a well-ventilated room.<br />
• Do not remain in the room while the regeneration is taking<br />
place.<br />
• Use the recommended temperature. Avoid heating the<br />
desiccant at higher than recommended temperatures.<br />
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