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A. INTRODUCTION
AIR/TAK Refrigerated Compressed Air Dryers are of the high-efficiency type, designed to effectively remove
moisture from compressed air by means of a refrigeration process. The compressed air pressure dewpoint is
reduced to 38°F and then reheated to prevent in-plant air lines from sweating. The 38°F dewpoint can be
maintained under varying conditions from zero load to 100% of the design conditions.
AIR/TAK dryers are completely automatic in all respects. As with all AIR/TAK products, only a minimum of
maintenance is required. It is our recommendation that this manual be followed for any maintenance that might be
required. Any, and all service should be performed by a qualified refrigeration engineer who is trained in the service
of refrigerated air dryers.
B. RECEIVING
Upon receiving your air dryer:
1. Inspect the shipping carton for any apparent damage.
2. After removing the crate, inspect the unit for any hidden damage.
3. Report any damage immediately to the carrier and notify your supplier.
C. LOCATION
Air cooled dryers must have cool ambient air made available to prevent a heat build-up in the area where the dryer
is installed. An exhaust system is recommended to avoid recirculation of hot condenser air.
Ambient temperature at the selected location should not exceed 100°F (38°C), 60 HZ; or 77°F (25°C), 50 HZ; and
should not be lower than 50°F (10°C). High ambient temperature can affect the efficiency of the dryer. Every 10°F
increase in ambient temperature above 100°F (38°C) will result in a 6% decrease in air cooled dryer performance,
resulting in higher dewpoints and increased operating costs.
To assure an unrestricted flow of cool air through the refrigeration condenser, a minimum distance from the cabinet
to the nearest wall of 24 inches must be maintained.
All outside installations must have weather protection. Minimum protection should include a shed roof. Air-cooled
units must be protected against the wind.
Ambient temperatures should not exceed 100°F (38°C) and should not be lower than 50°F (10°C) where a
standard unit is to be located. If ambient temperatures below 50°F (10°C) are anticipated, the dryer should be
equipped with an optional ultra-low ambient package.
D. FOUNDATION
All dryers are completely free-standing units. Any reasonably level floor that has sufficient strength will serve as a
foundation.
E. PIPING
When piping the main air lines to the dryer, the use of flexible connections or union joints is recommended to avoid
piping stress and vibration when used with reciprocating compressors. Bypass piping and valves are
recommended. The bypass will permit isolation of the dryer for servicing and will eliminate the need to shut down
the complete compressed air system. The bypass must be provided and installed by the customer.