1、*USACE / NAVFAC / AFCESA / NASA UFGS-23 72 26.00 10 (April 2008)-Preparing Activity: USACE SupersedingUFGS-23 72 26.00 10 (January 2008)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated March 2008*SECTION TABLE OF CONTENTSDIVISION 23 - HEATING, VENTILATING, AND AIR C
2、ONDITIONINGSECTION 23 72 26.00 10DESICCANT COOLING SYSTEMS04/08PART 1 GENERAL1.1 REFERENCES1.2 SUBMITTALS1.3 QUALITY ASSURANCE1.3.1 Qualifications1.3.2 Drawings1.4 DELIVERY, STORAGE, AND HANDLING1.5 EXTRA MATERIALSPART 2 PRODUCTS2.1 STANDARD PRODUCTS2.2 MATERIALS2.2.1 Gaskets2.2.2 Bolts and Nuts2.3
3、DESICCANT SYSTEMS2.3.1 Solid Desiccant System2.3.1.1 Control Package2.3.1.2 Unit Mounting2.3.2 Liquid Desiccant System2.3.2.1 Control Panel2.3.2.2 Equipment Mounting2.6 UNIT CONSTRUCTION2.4 Solid Desiccant System2.4.1 Housing2.4.2 Service Panels2.5 Liquid Desiccant System2.5.1 Piping2.5.2 Valves and
4、 Thermowells2.5.3 Insulation2.5.4 Safety Requirements2.5.5 Electrical Work2.5.6 Duct Work2.5.6.1 Plenums and Ductwork2.5.6.2 Regenerator Exhaust DuctworkSECTION 23 72 26.00 10 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.6 SYSTEM COMPONENT
5、S2.6.1 Desiccant Rotor2.6.2 Heat Exchanger2.6.2.1 Thermal Rotor2.6.2.2 Heat Pipe2.6.2.3 Refrigerants2.6.3 Fans (Solid Desiccant System) For Supply and Regeneration2.6.4 Heating System (Solid Desiccant System)2.6.5 Filters (Solid Desiccant System)2.6.6 Indirect Evaporative Cooling System (Solid Desic
6、cant System)2.6.7 Gas Fired Boiler (Solid Desiccant System)2.6.8 Circulating Pumps (Solid Desiccant System)2.6.9 Refrigeration Section (Solid Desiccant System)2.6.10 Conditioner unit (Liquid Desiccant System)2.6.10.1 Humidity Conditioning2.6.10.2 Desiccant Solution2.6.11 Conditioner Cooler (Liquid D
7、esiccant System)2.6.12 Regenerator (Liquid Desiccant System)2.6.12.1 Humidity Conditioner2.6.12.2 Fan Assembly2.6.12.3 Equipment Location2.6.13 Regenerator Heater (Liquid Desiccant System)2.6.14 Level Control (Liquid Desiccant System)2.6.15 Filter Screening (Liquid Desiccant System)2.6.16 Freestandi
8、ng Pump Assemblies (Liquid Desiccant System)2.6.17 Make Up Water System (Liquid Desiccant System)2.6.18 Conditioner Fan (Liquid Desiccant System)2.6.19 Regeneration Fan (Liquid Desiccant System)2.7 SUPPLEMENTAL ACCESSORIES/SERVICES2.7.1 Nameplates2.7.2 Drain and Makeup Water Piping2.7.3 Steam Piping
9、 and Accessories2.7.4 Conditioner Solution Concentration2.7.5 Automatic ControlsPART 3 EXECUTION3.1 EXAMINATION3.2 INSTALLATION3.2.1 Equipment3.2.2 General Piping, Valves, and Duct Installation3.2.3 Pipe Color Code Marking3.3 PERFORMANCE TESTS3.3.1 Liquid Desiccant System3.3.2 Solid (Wheel) Desiccan
10、t System:3.4 INSPECTIONS3.5 MANUFACTURERS FIELD SERVICE3.6 CLEANING AND ADJUSTING3.7 DEMONSTRATIONS- End of Section Table of Contents -SECTION 23 72 26.00 10 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-2
11、3 72 26.00 10 (April 2008)-Preparing Activity: USACE SupersedingUFGS-23 72 26.00 10 (January 2008)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated March 2008*SECTION 23 72 26.00 10DESICCANT COOLING SYSTEMS04/08*NOTE: This guide specification covers the requirements
12、for desiccant cooling systems, both solid and liquid types, which offset the latent cooling load by removing moisture from the outside air before it reaches the cooling coil.Edit this guide specification for project specific requirements by adding, deleting, or revising text. For bracketed items, ch
13、oose applicable items(s) or insert appropriate information.Remove information and requirements not required in respective project, whether or not brackets are present.Comments and suggestions on this guide specification are welcome and should be directed to the technical proponent of the specificati
14、on. A listing of technical proponents, including their organization designation and telephone number, is on the Internet.Recommended changes to a UFGS should be submitted as a Criteria Change Request (CCR).*PART 1 GENERAL1.1 REFERENCES*NOTE: This paragraph is used to list the publications cited in t
15、he text of the guide specification. The publications are referred to in the text by basic designation only and listed in this paragraph by organization, designation, date, and title.Use the Reference Wizards Check Reference feature when you add a RID outside of the Sections Reference Article to auto
16、matically place the SECTION 23 72 26.00 10 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-reference in the Reference Article. Also use the Reference Wizards Check Reference feature to update the issue dates.References not used in the text will
17、 automatically be deleted from this section of the project specification when you choose to reconcile references in the publish print process.*The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic desig
18、nation only.AIR-CONDITIONING AND REFRIGERATION INSTITUTE (ARI)ARI 210/240 (2006) Performance Rating of Unitary Air-Conditioning and Air-Source Heat Pump EquipmentARI 700 (2004) Specifications for Fluorocarbon RefrigerantsAMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING ENGINEERS (ASHR
19、AE)ASHRAE 15 (2007; Errata 2007) Safety Code for RefrigerationASHRAE 34 (2007; Addendas a,b,c,d,e,f,g and h; Errata 2007) Designation and Safety Classification of RefrigerantsASME INTERNATIONAL (ASME)ASME B31.1 (2007) Power PipingASME BPVC SEC IX (2007) Boiler and Pressure Vessel Code; Section IX, W
20、elding and Brazing QualificationsASTM INTERNATIONAL (ASTM)ASTM A 307 (2007b) Standard Specification for Carbon Steel Bolts and Studs, 60 000 PSI Tensile StrengthASTM B 209 (2007) Standard Specification for Aluminum and Aluminum-Alloy Sheet and PlateASTM B 209M (2007) Standard Specification for Alumi
21、num and Aluminum-Alloy Sheet and Plate (Metric)ASTM B 210 (2004) Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless TubesASTM B 210M (2005) Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes (Metric)SECTION 23 72 26.00 10 Page 4Provided by IHSNot for Resal
22、eNo reproduction or networking permitted without license from IHS-,-,-ASTM D 1784 (2007) Standard Specification for Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC) CompoundsASTM F 104 (2003) Standard Classification System for Nonmetallic Gasket MaterialsNATIONA
23、L ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)NEMA MG 1 (2007) Standard for Motors and Generators1.2 SUBMITTALS*NOTE: Review submittal description (SD) definitions in Section 01 33 00 SUBMITTAL PROCEDURES and edit the following list to reflect only the submittals required for the project. Submittals
24、should be kept to the minimum required for adequate quality control.A “G” following a submittal item indicates that the submittal requires Government approval. Some submittals are already marked with a “G”. Only delete an existing “G” if the submittal item is not complex and can be reviewed through
25、the Contractors Quality Control system. Only add a “G” if the submittal is sufficiently important or complex in context of the project.For submittals requiring Government approval on Army projects, a code of up to three characters within the submittal tags may be used following the “G“ designation t
26、o indicate the approving authority. Codes for Army projects using the Resident Management System (RMS) are: “AE“ for Architect-Engineer; “DO“ for District Office (Engineering Division or other organization in the District Office); “AO“ for Area Office; “RO“ for Resident Office; and “PO“ for Project
27、Office. Codes following the “G“ typically are not used for Navy, Air Force, and NASA projects.Choose the first bracketed item for Navy, Air Force and NASA projects, or choose the second bracketed item for Army projects.*Government approval is required for submittals with a “G“ designation; submittal
28、s not having a “G“ designation are for Contractor Quality Control approval. information only. When used, a designation following the “G“ designation identifies the office that will review the submittal for the Government. The following shall be submitted in accordance with Section 01 33 00 SUBMITTAL
29、 PROCEDURES:SD-02 Shop DrawingsDrawings; G; G, _SECTION 23 72 26.00 10 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Drawings, at least 5 weeks _ prior to beginning construction, providing adequate detail to demonstrate compliance with contra
30、ct requirements.SD-03 Product DataVerification of DimensionsA letter, at least 2 weeks prior to beginning construction, indicating the date the site was visited, confirming existing conditions, and noting any discrepancies found.Standard Products; G; G, _Manufacturers catalog data, at least 5 weeks
31、_ prior to beginning construction, highlighted to show model number, size, options, performance charts and curves, etc., in adequate detail to demonstrate compliance with contract requirements. Performance charts and curves shall provide performance data over the full range of outdoor conditions for
32、 which dehumidification will be required, with the conditions defined by the Contracting Officer. Manufacturer shall supply data on all energy recovery methods and equipment available for the system. Data shall include manufacturers recommended installation instructions and procedures. If vibration
33、isolation is specified for a unit, vibration isolator literature shall be included containing catalog cuts and certification that the isolation characteristics of the isolators provided meet the manufacturers recommendations.Spare PartsSpare parts data for each different item of material and equipme
34、nt specified.Qualifications_ copies of qualification procedures, and list of names and identification symbols of qualified welders and welding operators, prior to non-factory welding operations.Field InstructionsPosted instructions, at least 2 weeks prior to construction completion, including equipm
35、ent layout, wiring and control diagrams, piping, valves and control sequences, and typed, condensed, operation instructions. The condensed operation instructions shall include preventative maintenance procedures, methods of checking the system for normal and safe operation, and procedures for safely
36、 starting and stopping the system. The posted instructions shall be framed under glass or laminated plastic and be posted where indicated by the Contracting Officer.Performance TestsTest schedules, at least 2 weeks prior to the start of the field tests and the system performance test. The schedules
37、shall identify the date, time, and location for the performance test.SECTION 23 72 26.00 10 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DemonstrationsA schedule for training demonstrations, at least 2 weeks prior to the date of the proposed
38、 training course, identifying the date, time, and location for the training.SD-06 Test ReportsPerformance Tests; G; G, _A report documenting the data taken versus the specified performance criteria, upon completion of installation and performance testing of the system. Six _ copies of the bound repo
39、rt (216 by 279 mm 8-1/2 by 11 inches) shall be provided. The report shall document compliance with the specified performance criteria upon completion and testing of the system. The report shall indicate the number of days covered by the tests and any conclusions as to the adequacy of the system. The
40、 report shall also include the following information and shall be taken at least three different times at outside dry-bulb temperatures that are at least 5 degrees C F apart.InspectionsA bound inspection report (216 by 279 mm 8-1/2 x 11 inches) at the completion of one year of service. The report sh
41、all identify the condition of the desiccant system and shall include a comparison of the condition of the desiccant system with the manufacturers recommended operating conditions.SD-07 CertificatesStandard Products; G; G, _Proof of compliance with ARI, ASHRAE, ASME, or UL requirements where specifie
42、d for the system, components, or equipment. The label or listing of the specified agency shall be acceptable evidence. In lieu of the label or listing, a written certificate from an approved, nationally recognized testing organization equipped to perform such services, shall be submitted stating tha
43、t the items have been tested and conform to the requirements and testing methods of the specified agency. When performance requirements of this projects drawings and specifications vary from standard ARI rating conditions, computer printouts, catalog, or other application data certified by ARI or a
44、nationally recognized laboratory as described above shall be included. If ARI does not have a current certification program that encompasses such application data, the manufacturer shall self certify that his application data complies with project performance requirements.SD-10 Operation and Mainten
45、ance DataOperation and Maintenance Manuals;G, _Six_ complete bound copies (216 by 279 mm 8-1/2 x 11 inches) of an operation and maintenance manual listing step-by-step procedures required for system startup, operation, maintenance, and shutdown. The manual shall include the SECTION 23 72 26.00 10 Pa
46、ge 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-manufacturers name, model number, parts list, service manual, and a brief description of all equipment and their basic operating features. The manual shall include routine maintenance procedures, pos