This specification covers the performance requirements and corresponding test procedures for self-contained shipboard dehumidifiers that use hermetic refrigerant motor-compressors. The components of the dehumidifier, including the motor-compressor, condensing unit, dehumidifying coil, air-circulating fan, and accessories, shall all be enclosed within a metal cabinet. Dehumidifiers shall be evaluated by design capacity test, overload test, inclination test, and corrosion resistance test, and should operate satisfactorily as specified. Requirements for design documentation, schematic drawings, and manufacturer's manual are also considered.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers self-contained dehumidifiers using hermetic refrigerant motor-compressors.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 The following safety hazards caveat pertains only to the test methods portion, Section 11, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B117 Practice for Operating Salt Spray (Fog) Apparatus
B280 Specification for Seamless Copper Tube for Air Conditioning and Refrigeration Field Service
D1654 Test Method for Evaluation of Painted or Coated Specimens Subjected to Corrosive Environments
D2247 Practice for Testing Water Resistance of Coatings in 100 % Relative Humidity
MIL-D-19947 Specification for Dehumidifier, Space, Mechanically Refrigerated, Self-Contained, Naval Shipboard
UL 984 Hermetic Refrigerant Motor--Compressors
dehumidifier; hermetic refrigerant motor-compressor; mechanically refrigerated dehumidifier; self-contained dehumidifier; Air conditioning materials/applications--specifications; Compressors; Dehumidifier; Gas tightness; Hermetic-type motor compressor; Humidity; Inclination test; Mechanically refrigerated dehumidifier; Moisture absorption; Motor compressors; Overload test;
ICS Number Code 47.020.85 (Cargo spaces)
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