Perma Pure Ambi-GASS User Manual
Page 8
8
Ambi-GASS User Manual
Heatless Dryer (Optional)
1.
Connect purge air line to bulkhead fitting (labeled “Purge Gas Inlet”).
2.
Set air pressure regulator between 60 and 100 psig.
3.
There will be an additional ¼” female NPT bulkhead fitting on bottom of
enclosure for heatless dryer purge air exhaust (labeled “Heatless Dryer
Exhaust”). This will be humid air, and can be vented to atmosphere or piped
to a remote location.
C. Purge Eductor Inlet Connection (optional)
Connect air supply line to bulkhead fitting labeled “Compressed Air Inlet”.
D. Filter Drain Connection (optional)
Connect line from eductor outlet to designated collection/exhaust basin containing
acid absorption media to prevent release of exhaust to surrounding. ¼” I.D. tubing
can be used for runs up to 10 feet, or larger I.D. tubing for longer exhaust lines. Line
should not restrict purge flow.
3.3 Plumbing
A. Sample Connection
1.
Connect sample line to bulkhead fitting (labeled “Sample Gas In”).
2.
Connect sample outlet (labeled “Dry Sample Out”) to sample line going to analyzer.
B. Purge Connection
Instrument Air
The purge air supply must be of instrument grade with a dew point no
higher than –40
O
C.
1.
Connect purge air line to bulkhead fitting (labeled “Instrument Air Inlet”).
2.
Set instrument /compressed air supply pressure regulator between 30 and
100 psig.