User`s guide
PUREGAS, LLC P550W Series Air Dryers User’s Guide
Page 75 of 99 P011658 – Rev. M
WARNING!
Internal surfaces may be hot. Use care when coming into contact
with internal components as there is a potential for some of these
components to become hot when in operation or standby.
IMPORTANT!
Performing procedures not described in this User’s Guide or
installing components not supplied by PUREGAS is NOT
RECOMMENDED AND MAY VOID THE WARRANTY.
IMPORTANT!
Performing routine maintenance as outlined in the Maintaining
Your Dryer section will ensure optimal performance over the
lifec
y
cle of
y
our air Dr
y
er.
IMPORTANT!
After performing any maintenance, always soap test pressure
fittings to check for air leaks. Also, check for any loose or
disconnected wiring.
CAUTION!
SHUT DOWN IMMEDIATELY FOR REPAIRS if the air
compressor shows any evidence of overheating or presents
excessive noise.
CAUTION!
Depressurizing the air Dryer may be necessary before performing
certain procedures. NEVER remove pressure sensing tubes from
the Control Board without depressurizing the air Dryer first, or
damage to the Control Board will occur.










