Parker CDAS HL 050 - Recommended System Layout

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Medium Flow Compressed Air Dryers - IOMI.
RECOMMENDED SYSTEM LAYOUT
CDAS HL / OFAS HL / FBP HL dryers can be installed directly after an air compressor or downstream of a wet air receiver. e
preferred method of installation is downstream of a wet air receiver as the air receiver acts as a pre-cooler / liquid separator and is
eective at protecting the dryer from bulk liquid contamination and small temperature spikes.
Water Separator (Optional)
Should CDAS HL / OFAS HL / FBP HL be installed directly after the air compressor (no wet air receiver) or the distance from the
outlet of the wet air receiver is >3m, an optional OIL-X Grade WS water separator should be installed. Water separators are used to
protect the coalescing lters included with CDAS HL / OFAS HL / FBP HL from liquid contamination. If liquid water / oil is not treated
prior to the dryer, dewpoint performance may not be achieved, and any remaining warranty will be invalidated.
General Purpose and High Eciency Coalescing Filters (included)
Coalescing lters are probably the single most important items of purication equipment in a compressed air system. ey are
designed to not only reduce aerosols (droplets) of oil and water using mechanical ltration techniques, but also to reduce solid
particulate to very low levels (as small as 0.01micron in size). Installed in pairs, the rst lter is a 'General Purpose Filter' which
protects the second 'High Eciency Filter' from bulk contamination. e included dual lter installation ensures a continuous supply
of high quality compressed air with the additional benets of low operational costs and minimal maintenance.
Dry Particulate Filters (included)
CDAS HL / OFAS HL / FBP HL dryers include either a single Dry Particulate Filter (CDAS HL / OFAS HL) or a pair of Dry Particulate
Filters (OFAS HL) for the reduction of desiccant particulates (and micro-organisms on FBP dryers). ey provide identical particulate
reduction performance to the equivalent coalescing lter and use the same mechanical ltration techniques to provide particle
reduction.
Important Note
Failure maintain the pre and post ltration supplied with the dryer will invalidate the dryer’s warranty.
REF DESCRIPTION REF DESCRIPTION
1 Compressor 6 Water Separator (Optional)
2 Wet Air Receiver 7 General Purpose Coalescing Filter
3 Electronic Condensate Drain (Not Included) 8 High Eciency Coalescing Filter
4 Medium Flow Dryer 9 General Purpose Dry Particulate Filter
5 Isolation Valve (Not Included) 10 Non-Return Valve (Not Included)
Important Notes: Protecting e Dryer from Reverse Flow
• Compressed air dryers are designed to ow in one direction only.
• Back ow (reverse ow) must not be allowed or damage to the ltration and dryer may occur.
• e installation of a Non-Return Valve will stop reverse ow and prevent damage to the dryer.
• CDAS/OFAS/FBP models up to serial number 22CDAS08531 require an additional Non Return Valve at the outlet of the dryer
(not supplied)
• CDAS/OFAS/FBP models from serial number 22CDAS08532 include an integral Non Return Valve (additional NRV not required)
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