Warning – Perma Pure AS-Series User Manual
Page 2

AMMONIA SCRUBBER SPECIFICATIONS
REPLACING SCRUBBING MEDIA
REPLACEMENT PARTS
When deposits are visible 75% of the way up the
housing, the scrubbing media needs to be replaced
(see Figure 2).
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.
5. Remove old media and dispose of properly (hous-
ing may be rinsed with soapy water to clean).
6. Fill housing with 150cc of Berl Saddles (tap hous-
ing to allow material to settle).
7. Pour 50cc of Scrubbing Media.
8. Replace stainless steel screen on top of media.
9. Replace spring.
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 tighten thumbscrew finger -
tight (do not overtighten).
Part Number
Description
AS-200-08-PSH Stainless steel top & bottom with polysulfone shell
AS-200-08-SSH Stainless steel top & bottom with stainless steel shell
AS-200-3
O-ring replacement set
AS-200-08-EB
15 filling replacement burl saddles and media
The Ammonia Scrubber performance varies
depending on the concentration of ammonia and
flowrate of the gas sample. At a flowrate of 1 lpm
and 1ppm of ammonia, media should last 40,000
hours.
PERFORMANCE
Polysulfone Stainless Steel
Pressure
30 psig
100 psig
Temperature 120°C
200°C*
Port Size
1/4 " NPT
1/4" NPT
Be sure to connect sample inlet to port marked “IN” on
the scrubber housing.
* When thumbscrew is replaced with SST Hex Bolt.
HEATER JACKET SETUP
1
Power Supply Connection for Heater Jacket
1. Connect 120/240VAC power supply to wires on
scrubber (note: white wire must be capped with
wire nut since voltage is present when heater is
energized in 240VAC operation).
2. Allow heater jacket to run for 15-20 minutes
before starting sample flow (heater is equipped
with thermocouple and thermostat to regulate
heater).
Warning!
DO NOT overtighten the thumbscrew.
Doing so may cause the housing to
crack.
Yoke
Thumbscrew
Jacket
Shoulder Screw
Figure 2
Figure 2
YOKE
THUMB SCREW
BURL SADDLES
& MEDIA