SECTION 1 Installation and Inspection
PRIOR TO INSTALLATION OR START-UP OF DRYER, THIS ENTIRE MANUAL SHOULD BE READ AND
UNDERSTOOD.
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 the AIRTEK service department.
Dryer Location
Locate the dryer in an area accessible for maintenance. The dryer should have minimum 36" clearance on
all sides. See dimensional print for specific clearance requirements. The area should be clean, well lighted
and have a level, vibration free floor. For standard applications, ambient temperatures should range
between 35°F and 100°F. Consult the factory concerning applications outside this temperature range.
Installation
(See typical installation drawing)
NOTE: All piping and electrical connections should be checked to insure they have maintained their
integrity during shipping and installation.
WARNING! Incorrect installation may void warranty! IMPORTANT! Sizes 1500 SCFM and up require
field desiccant charging. Units 1500 and up are shipped empty due to weight constraints.
- Coalescing Pre-Filter with auto drain must be installed.
- Dryers are designed for 100°F inlet temperature or less.
- Ambient temperatures should be between 35°F and 100ºF.
- Dryer should be located in an area accessible for maintenance.
- Location should be clean, cool, with a level, vibration free floor.
- Location of receiver may vary depending on particular conditions and type of compressor.
- Auto drains are required when receiver is mounted up- stream of dryer.
Make the following connections:
1. Inlet piping, including an isolation valve.
2. Outlet piping, including an isolation valve.
3. Coalescing Pre-Filter and Particulate Afterfilter.
IMPORTANT! Desiccant dryers are designed to remove water VAPOR only!
Locate the coalescing filter as close to the dryer as possible. 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 performance,
and rapid deterioration of the desiccant. Oil entering the desiccant bed may permanently reduce the
capacity of the desiccant.
A Particulate Afterfilter should be provided to prevent desiccant dust from traveling down stream.
Desiccant dust may cause contamination and excessive wear to equipment. Differential pressure
indicators should be installed on filters for monitoring of elements. A particulate filter before the
dryer and adsorber after the dryer are optional.
4. Auto Drain on Pre-Filter. An Automatic Drain is required on the Pre-Filter and all other upstream
collection points to remove condensate.
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