This specification covers self-contained mechanically refrigerated air conditioners for shipboard use in air circulation, air cooling, and dehumidification. These air conditioners are intended for use in compartments and areas where central system air conditioning is not provided. The air conditioners should be of the following types, and arrangements as specified: type I - drip-proof protected, and type II - explosion-proof enclosed; arrangement A - with air discharge plenum, and arrangement B - without air discharge plenum. The operation, air-circulating equipment, ship inclination, capacity, overload, and condensation of the air conditioner shall meet the requirements prescribed. The inspection requirements specified in this specification are classified as follows: first article inspection; quality conformance inspection; visual examination; first article test procedures; and operating test.
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1.1 This specification covers self-contained mechanically refrigerated air conditioners for shipboard use in air circulation, air cooling, and dehumidification.
1.2 These air conditioners are intended for use in compartments and areas where central system air conditioning is not provided.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 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.
Air-Conditioning and Refrigeration Institute (ARI)
ARI 210 Standard for Unitary Air-Conditioning Equipment
American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)
ASHRAE 37 Methods of Testing for Rating Unitary Air-Conditioning and Heat Pump Equipment
American Water Works Association (AWWA)
AWWA C504 Standard for Rubber-Seated Butterfly Valves
A276 Specification for Stainless Steel Bars and Shapes
A569/A569M Specification for Steel, Carbon (0.15 Maximum, Percent), Hot-Rolled Sheet and Strip Commercial
B16/B16M Specification for Free-Cutting Brass Rod, Bar and Shapes for Use in Screw Machines
B61 Specification for Steam or Valve Bronze Castings
B75 Specification for Seamless Copper Tube
B148 Specification for Aluminum-Bronze Sand Castings
B209 Specification for Aluminum and Aluminum-Alloy Sheet and Plate
D3951 Practice for Commercial Packaging
National Electrical Manufacturers Association (NEMA)
NEMA ICS 1 General Standards for Industrial Control and Systems
air conditioner; air discharge plenum; compressor; condensing unit; evaporator; liquid receiver; mechanically refrigerated; Air conditioning materials/applications--specifications; Air discharge plenus; Compressors; Condensing unit; Evaporators/evaporation--specifications; Liquids--marine environments; Mechanically refrigerated air conditioner; Shipbuilding steel materials--specifications
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Citing ASTM Standards
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