Perma Pure GASS-2040 User Manual
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GASS-2040 User Manual | Original Instructions
5.2 Dryers
Under normal conditions, Perma Pure dryers require little maintenance and can last for several
years. However, if there is no pre-filter and the tubing becomes clogged or saturated with water,
the dryer may require cleaning or repair.
Refer to Appendix B for PD dryer element replacement.
5.3 Ammonia Scrubber
Media Replacement:
When deposits are visible on 75% of the scrubber, scrubbing media needs to be replaced.
1. Unscrew thumbscrew on bottom of housing.
2. Swing yoke to one side.
3. Separate housing and bottom cap as an assembly from top cap.
4. Remove spring and top screen.
5. Remove old media and dispose of properly (rinse housing with soapy water to clean).
6. Fill housing with 135cc of Berl Saddles (tap housing to allow material to settle).
7. Pour 65cc of Scrubbing Media (tap housing to allow material to settle).
8. Replace stainless steel screen on top of media.
9. Replace spring on top of screen.
10. Clean o-rings on shell and inside top manifold (replace if necessary).
11. Place center tube into o-ring seal in top cap.
12. Push and twist to seal housing around o-ring.
13. Replace yoke and finger tighten thumbscrew (do not overtighten).
Figure 12
Yoke
Thumbscrew
Bottom Cap
Spring
Top Screen
Housing Shell