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USACE / NAVFAC / AFCEC / NASA UFGS-23 81 23 (November 2020)
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Preparing Activity: NAVFAC Superseding
UFGS-23 81 23.0
0 20 (February 2010)
UNIFIED FACILITIES GUIDE SPECIFICATIONS
References are in agreement with UMRL dated October 2022
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SECTION TABLE OF CONTENTS
DIVISION 23 - HEATING, VENTILATING, AND AIR CONDITIONING (HVAC)
SECTION 23 81 23
COMPUTER ROOM AIR CONDITIONING UNITS
11/20
PART 1 GENERAL
1.1 REFERENCES
1.2 DEFINITIONS
1.3 SUBMITTALS
1.4 REFRIGERANTS
1.5 QUALIFICATIONS
1.5.1 Ozone Depleting Substances Technician Certification
1.6 QUALIFICATIONS
1.6.1 Material and Equipment Qualifications
1.6.2 Alternative Equipment Qualifications
1.6.3 Service Support
1.6.4 Manufacturer's Nameplate
1.6.5 Modification of References
1.6.5.1 Definitions
1.6.5.2 Administrative Interpretations
1.7 PROJECT REQUIREMENTS
1.7.1 Verification of Dimensions
1.7.2 Energy Efficiency
1.8 DELIVERY, STORAGE, AND HANDLING
PART 2 PRODUCTS
2.1 COMPUTER ROOM AIR CONDITIONER (CRAC)
2.1.1 Unit Airflow Configuration
2.1.1.1 Downflow Units
2.1.1.2 Upflow Units
2.1.1.3 In-row Units
2.1.1.4 Ceiling Mounted Units
2.1.2 Cabinet and Frame
2.1.2.1 Unit Frame
2.1.2.2 Unit Cabinet
2.1.2.3 Cabinet Interiors Sound Attenuation
2.1.3 Fan Section
SECTION 23 81 23 Page 1
