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AIRTEK 4087 WALDEN AVENUE, LANCASTER, NY 14086 Tel: (716) 685-4040 Fax: (716) 685-1010
PRIOR TO INSTALLATION OR START-UP OF DRYER,
THIS ENTIRE MANUAL SHOULD BE READ & UNDER-
STOOD.
1.
A.
INSPECTION:
All Dryers are tested and inspected at the factory prior to
shipping. Inspect the dryer carefully upon arrival and note
any damage on the freight bill. Uncrate and inspect for
concealed damage. File claims with the carrier immediately
and notify AIRTEK sales department.
1.
B.
DRYER LOCATION:
Locate the dryer in an area accessible for maintenance.
The area should be clean, cool, well lighted, and have a
level, vibration free floor. Ambient temperature should be
between 35ºF and 100ºF. Dryer should have a minimum
36” clearance on all sides. See dimensional print for
specific clearance requirements.
1.
C.
INSTALLATION:
(See typical installation drawing)
Make the following connections:
1. Inlet piping, including an isolation valve.
2. Outlet piping, including an isolation valve.
3. Coalescing Pre-filter and Particulate After-filter.
4. Auto Drain on Pre-filter.
5. Bypass piping if desired. A bubble tight valve
should be used for bypass.
6. Make required electrical connections to control box.
Refer to applicable drawings. Note: Customer to
provide short circuit protection for dryer.
7. Access ports should be provided upstream and
downstream of the dryer for dewpoint, pressure and
temperature checks.
8. All piping should be adequately supported and at
least of equal size to the dryer connections.
9. To reduce maintenance & increase dryer efficiency,
the exhaust ports can be piped to a location where the
exhaust mufflers are not required.
NOTE: All piping & electrical connections should be checked
to insure they have maintained their integrity during shipping
and installation.
IMPORTANT! Desiccant dryers are designed to remove
water VAPOR only!
The air to be dried must pass through a Coalescing Pre-
filter for removal of entrained condensate and oil to prevent
fouling of the desiccant. Liquid condensate entering the bed
will lead to overloading of the dryer, poor dew point perfor-
mance, & rapid deterioration of the desiccant. Oil entering
the desiccant bed may permanently reduce the capacity of
the desiccant.
An Automatic Drain is required on the Pre-filter and all other
upstream collection points to remove condensate.
A Particulate After-filter should be provided to prevent
desiccant dust from traveling down stream. Desiccant dust
may cause contamination & excessive wear to equipment.
Before any attempt is made to operate the AIRTEK dryer,
the operator should thoroughly read and understand this
instruction manual. Improper operation will cause poor
results from the dryer.
Periodic checking of the dewpoint just downstream of the
dryer is the best indication of whether the dryer is perform-
ing as expected. For a rough indication of performance a
Color Change Moisture Indicator is provided as standard
equipment. The indicator will be green when the outlet air
is dry, and white when the outlet air is wet. Optionally
available is a High Humidity Alarm or a PowerLoc (Digital
Dewpoint Monitor & Demand Cycle Controller).
2.
A.
SAFETY PRECAUTIONS:
Failure to observe any
of the following precautions could result in severe bodily
harm and/or damage to equipment.
*
Use EXTREME CAUTION when working in the vicinity
of the dryer.
*
Relieve pressure before servicing dryer or associated
equipment.
*
Disconnect power before servicing dryer.
*
Use ear and eye protection when in the vicinity of the
dryer or exhaust ports, especially if the dryer is being
operated without mufflers. Even when mufflers are
used, a tower blowing down to atmosphere will raise
particles, create more noise than during “normal”
operation and may startle an individual not used to this
portion of the operation.
*
In the case of an overpressure situation there is a
safety relief valve on each tower designed to protect
the equipment. If these end up pointed in a hazardous
direction after dryer installation, they should be piped
to a safe location
*
Automatic or manual drain valves will eject water, oil,
particles and air under partial pressure when operated.
Proper precautions must be taken.
*
Condensate drainage from compressed air systems
may contain oil or other contaminants. Follow all
applicable regulations for safe handling and disposal.
*
Various component failures could theoretically cause
large air loss and subsequent pressure drop. Preven-
tive maintenance should be performed to reduce the
likelihood of this. If this occurs, bypass the dryer
immediately to restore flow and pressure.
*
Activated Alumina dust is considered a nuisance dust.
Proper precautions should be taken when handling
desiccant. For more information and for other types of
desiccant, refer to applicable Material Safety Data
Sheet.
*
For disposal of used desiccant refer to the applicable
Material safety Data sheet and all applicable regula-
tions. Note that desiccant contaminated with oil or
other foreign substances may be covered under
disposal regulations for the contaminant.
