ASTM F1075-97
(Specification)Standard Specification for Dehumidifier, Shipboard, Mechanically Refrigerated, Self-Contained
Standard Specification for Dehumidifier, Shipboard, Mechanically Refrigerated, Self-Contained
SCOPE
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 10, 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.
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An American National Standard
Designation: F 1075 – 97
Standard Specification for
Dehumidifier, Shipboard, Mechanically Refrigerated, Self-
Contained
This standard is issued under the fixed designation F 1075; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope UL 984 Hermetic Refrigerant Motor—Compressors
2.5 Military Documents:
1.1 This specification covers self-contained dehumidifiers
MIL-S-901 Specification Requirements for Shock Tests,
using hermetic refrigerant motor-compressors.
High Impact (H.I.); Shipboard Machinery, Equipment,
1.2 The values stated in inch-pound units are to be regarded
and Systems
as the standard. The values given in parentheses are for
MIL-STD-167-1 Mechanical Vibrations of Shipboard
information only.
Equipment, (Type I—Environmental and Type II—
1.3 The following safety hazards caveat pertains only to the
Internally Excited)
test methods portion, Section 11, of this specification: This
MIL-D-19947 Specification for Dehumidifier, Space, Me-
standard does not purport to address all of the safety concerns,
chanically Refrigerated, Self-Contained, Naval Ship-
if any, associated with its use. It is the responsibility of the user
board
of this standard to establish appropriate safety and health
practices and determine the applicability of regulatory limita-
3. Ordering Information
tions prior to use.
3.1 Orders for products under this specification shall include
2. Referenced Documents the following information, as necessary, to describe adequately
the desired product:
2.1 ASTM Standards:
3.1.1 Title, ASTM designation and year of issue,
B 117 Practice for Operating Salt Spray (Fog) Apparatus
3.1.2 Quantity (number of dehumidifiers),
B 280 Specification for Seamless Copper Tube for Air
3.1.3 Certification if required, and
Conditioning and Refrigeration Field Service
3.1.4 Additions to the specification and supplementary re-
D 1654 Test Method for Evaluation of Painted or Coated
quirements, if required.
Specimens Subjected to Corrosive Environments
D 2247 Practice for Testing Water Resistance of Coatings in
4. Materials and Manufacture
100 % Relative Humidity
4.1 In addition to the requirements cited herein, the dehu-
2.2 ASHRAE Standard:
5 midifiers covered by this specification shall be designed,
ASHRAE—15 Safety Code for Mechanical Refrigeration
constructed, assembled, and tested to comply with UL 474, UL
2.3 Offıcial Classification Standard:
984, and ASHRAE Standard 15. In the event of differences
Uniform Freight Classification Ratings, Rules, and Regula-
6 between any of the requirements of this specification and those
tions
of other referenced documents, the requirements of this speci-
2.4 UL Standards:
7 fication shall govern. The manufacturer shall certify compli-
UL 474 Dehumidifiers
ance with the above standards for equipment furnished and
shall be cited in the UL Electrical Appliance and Utilization
This specification is under the jurisdiction of ASTM Committee F-25 on Ships Equipment product directories.
and Marine Technology and is the direct responsibility of Subcommittee F25.11 on
4.2 The dehumidifier shall consist of a motor-compressor,
Machinery.
condensing unit, dehumidifying coil, air circulating fan, and
Current edition approved Nov. 10, 1997. Published October 1998. Originally
accessories, all enclosed within a metal cabinet. The dehumidi-
published as F 1075 – 87. Last previous edition F 1075 – 94.
Annual Book of ASTM Standards, Vol 03.02.
fier shall be complete, self-contained with the refrigeration
Annual Book of ASTM Standards, Vol 02.01.
Annual Book of ASTM Standards, Vol 06.01.
Available from American Society of Heating, Refrigerating, and Air-
Conditioning Engineers, 1791 Tullie Circle N.E., Atlanta, GA 30329.
Available from Uniform Classification Agent, Tariff Publication Officer, Room
1106, 222 South Riverside Plaza, Chicago, IL 60606.
7 8
Available from Underwriter’s Laboratories Inc., 333 Pfingsten Rd., North- Available from Superintendent of Documents, U.S. Government Printing
brook, IL 60062. Office, Washington, DC 20402.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
F 1075
equipment dehydrated, and charged with the necessary operat- 5.3 The equipment shall operate satisfactorily when inclined
ing quantity of refrigerant and oil. Each unit shall be ready for at an angle of 15° on each side of the vertical, in each of two
operation after removal of shipping protection, opening of vertical planes at right angles to each other.
valves where provided, and connection to electric power.
4.3 The motor-compressor shall be of the hermetic type and
6. Other Requirements
shall consist of a compressor and motor enclosed in a gastight
6.1 Design Documentation—A master drawing of a built
shell. The hermetic compressor unit shall conform to UL 984
configuration shall be provided for each of the following:
and shall be at least ⁄6 hp. Equipment shall operate on 115-V,
6.1.1 Complete dehumidifier,
single-phase, 60-cycle alternating current. The unit shall be
6.1.2 Motor compressor,
protected against overload by a thermal protector built into the
6.1.3 Condenser, and
motor. The thermal protection shall be either the manual or
6.1.4 Fan and cooling coil.
automatic reset type.
6.1.5 Each master drawing shall show outline, mounting,
4.4 Piping necessary for the satisfactory operation of the
attachment, and connection dimensions, including methods
equipment shall be provided by the manufacturer. Tubing shall
and sizes of fastenings and clearances for installation and
be made of copper in accordance with Specification B 280.
servicing plus supplementary data as necessary to permit
Piping connections shall be arranged in such a manner so as not
installation without suppliers assistance. The drawing shall
to impair the vibration-isolation properties of absorption-type
illustrate design, construction, operation (or function), and
mounts where such mounts are provided. Piping shall be
identity of parts. Where acceptance tests are required, the tests
securely supported to minimize strain and vibration. Piping
shall be identified, and approval authority and date shall be
connections shall not be made of soft solder.
noted on the drawing. Subassembly drawings shall be provided
4.5 Materials used in the manufacture of the equipment
to supplement master drawings where desirable.
shall be corrosion-resistant or treated to resist corrosion. The
6.2 Schematic Drawings:
method of manufacture shall not impair physical, structural, or
corrosion-resistant properties of the components. Materials,
6.2.1 Schematic drawings shall be provided that include all
coatings, and paint systems shall satisfactorily pass the appli- mechanical, piping and electrical circuits, and connections.
cable salt spray and humidity test specified herein.
6.2.2 All symbols used for equipment components or parts
4.6 Bolts, nuts, studs, pins, screws, and such other fasten-
shall be given a piece number and identified in the list of
ings or fittings shall be of a corrosion-resisting material, or of
materials with the following information:
a material treated in a manner to render it adequately resistant
6.2.2.1 Piece number,
to corrosion. Screws exposed in final assembly shall be
6.2.2.2 Quantity required,
corrosion-resisting material.
6.2.2.3 Descriptive name,
4.7 Similar parts, including repair parts, or corresponding
6.2.2.4 Manufacturer,
apparatus furnished on the same contract or order, or built to
6.2.2.5 Manufacturer’s model or identifying number,
the same drawings, shall be strictly interchangeable without the
6.2.2.6 Manufacturer’s drawing number, and
necessity of further machining or hand fitting of any kind.
6.2.2.7 Weight.
4.8 A plastic or other chemically inert container shall be
provided for collecting the condensate. The container shall be 6.3 Manuals—Manuals shall be typed in accordance with
the manufacturer’s commercial practice. Photo views of the
of a size and configuration that will fit within the cabinet
equipment shall be included as part of the general description.
enclosure. The container shall be provided with baffles to
A section shall be provided containing reduced copies of all
prevent the overflow or spilling of water and shall be readily
drawings required to amplify or illustrate the text including
removable from the dehumidifier cabinet. A male fitting shall
diagram and assembly drawings.
be provided from the container for connection of a 0.375-in.
(10-mm) inside diameter flexible rubber tubing for draining the
7. Workmanship, Finish, and Appearance
condensate (wall thickness 0.125 in. (3 mm)). The rubber
tubing will not be required to be furnished by the contractor.
7.1 All materials forming a part of the finished product shall
4.9 Provision shall be made in the frame to permit securing
be new and suitable for the purpose intended. The materials
the cabinet to any appropriate surface.
shall be free from any defects that might affect the serviceabil-
4.10 Identification plates shall be of a nonferrous metal or
ity or appearance of the finished product.
corrosion-resisting steel and shall conform to UL 474.
7.2 Seal caps in the refrigerant system shall be provided
with a gasket and shall be tight against any leaks.
5. Performance Requirements
7.3 Bolts, nuts, and screws shall be tight and equipment and
5.1 The unit shall be capable of condensing at least 1.8 gal
parts shal
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