Parker CDAS HL 050 Series, Installation, Operation And Maintenance Instructions

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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. The
preferred method of installation is downstream of a wet air receiver as the air receiver acts as a pre-cooler / liquid separator and is
effective at protecting the dryer from bulk liquid contamination and small temperature spikes.
Water Separator (Optional)
S
hould 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 filters 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 Efficiency Coalescing Filters (included)
Coalescing filters are probably the single most important items of purification equipment in a compressed air system. They are
designed to not only reduce aerosols (droplets) of oil and water using mechanical filtration techniques, but also to reduce solid
particulate to very low levels (as small as 0.01micron in size). Installed in pairs, the first filter is a 'General Purpose Filter' which
protects the second 'High Efficiency Filter' from bulk contamination. The included dual filter installation ensures a continuous supply
of high quality compressed air with the additional benefits 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). They provide identical particulate
reduction performance to the equivalent coalescing filter and use the same mechanical filtration techniques to provide particle
reduction.
Important Note
Failure maintain the pre and post filtration 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 Efficiency 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 The Dryer from Reverse Flow
• Compressed air dryers are designed to flow in one direction only.
• Back flow (reverse flow) must not be allowed or damage to the filtration and dryer may occur.
• The installation of a Non-Return Valve will stop reverse flow 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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