AHLD Series | Heatless Regenerative Desiccant Air Dryer
14
INSTALLATION
Only qualied personnel should make electrical and
mechanical connections.
• EQUIPMENT FOR INSTALLATION: This dryer does not
need any special tools for installationFoundation: Dryer
should be mounted on a suitably structured flat and level
floor or base that is free from vibration. Special care must
be used when lifting the dryer to prevent tip-over.
• MOUNTING: Bolt dryer to the foundation using the bolt
holes provided in the frame.
• PIPING: Connect the inlet of the dryer to the moist gas
from the compressor/receiver/inlet filter. Install the
inlet piping and the inlet shutoff valve, Install the Outlet
piping and the outlet shutoff valve (a union with a valve
by-pass can be installed at the inlet and outlet valves to
accommodate isolation of the dryer for maintenance).
Compressed air piping has to be least the same size as
the of the inlet and outlet connections of the dryers.
Larger pipe sizes can be used with reducers.
• BACK PRESSURE REGULATOR: Install backpressure
regulator to prevent any possibility of fluidization of
the desiccant bed. When there is a sudden increase
in the demand for compressed air downstream of the
dryer, a huge pressure drop develops and can affect
the performance of the dryer and the drying material
(desiccant).
• DESICCANT: Make sure that the dryer towers are filled
with desiccant. Larger dryers may have desiccant shipped
separately – in which case, the media has to be filled into
the pressure vessels from the desiccant fill ports. Care
must be taken when filling the media and it must be done
gradually to prevent powdering.
• MUFFLER: If the event that mufflers have been shipped
loose, they must be installed and secured.
• BY-PASS: If the dryer is not supplied with optional by-pass
valve it is highly recommended that by-pass valve be
installed around the dryer and filters. These by-pass shut-
off valves will permit the dryer and filters to be removed
from the compressed air system for servicing without
shutting down the entire compress air system.
• ELECTRICAL: Make all electrical connections to the dryer
as shown on the wiring diagram. Special care must be
taken in connecting the proper voltage as indicated on the
specification sheet and wiring schematic.
• ADDITIONAL VALVING/PIPING: When installing
equipment or components keep in mind the serviceability
of the equipment and provide additional valves to isolate,
bypass, and to depressurize as needed.
• EXHAUST: If you intend to vent your exhaust with
additional piping, the discharge piping from the exhaust
should not be piped upward without arrangement for
removing trapped condensate. Make sure that you do not
apply a backpressure on this exhaust system. If exhaust
piping is to be extended, try to stay within 15 to 20 feet
and use the next larger pipe size.
NOTE: It is mandatory that dryer be grounded. Use of
your plants frame as a ground may cause problems with
the control. A fused disconnect is not supplied with this
equipment therefore one must be supplied by customer. All
electrical fuses, breakers, etc. should be properly sized.
Aircel is not liable for any code violations, component damage,
downtime, or consequential damage related to customer
supplied electrical components and connections.
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