UFC 3-410-02 18 July 2018 Change 2, 12 April 2021 UNIFIED FACILITIES CRITERIA (UFC) DIRECT DIGITAL CONTROL FOR HVAC AND OTHER BUILDING CONTROL SYSTEMS APPROVED FOR PUBLIC RELEASE; DISTRIBUTION UNLIMITED 1 UFC 3-410-02 18 July 2018 Change 2, 12 April 2021 UNIFIED FACILITIES CRITERIA (UFC) DIRECT DIGITAL CONTROL FOR HVAC AND OTHER BUILDING CONTROL SYSTEMS Any copyrighted material included in this UFC is identified at its point of use. Use of the copyrighted material apart from this UFC must have the permission of the copyright holder. Indicate the preparing activity beside the Service responsible for preparing the document. U.S. ARMY CORPS OF ENGINEERS \1\ (Preparing Activity) /1/ NAVAL FACILITIES ENGINEERING COMMAND \1\ /1/ AIR FORCE CIVIL ENGINEER CENTER Record of Changes (changes are indicated by \1\ ... /1/) Change No. Date Location 1 2 March 2020 Changed Preparing Activity from Navy to Army. Added paragraph 2-4 USE OF PROPRIETARY NETWORKS, to accommodate new requirements for an exception to the use of open protocols within specific system types when certain criteria are met. 2 1 April 2021 Changed “UFC 3-401-01” to UFC 3-470-01” in paragraphs 1-2.1.3 and 1-3.2.3. Changed “APPENDIX A” to “APPENDIX D” in paragraph 5-4.2. Deleted first sentence of paragraph 6-6.1. This UFC supersedes UFC 3-410-02, dated 5 2012. 2 UFC 3-410-02 18 July 2018 Change 2, 12 April 2021 FOREWORD The Unified Facilities Criteria (UFC) system is prescribed by MIL-STD 3007 and provides planning, design, construction, sustainment, restoration, and modernization criteria, and applies to the Military Departments, the Defense Agencies, and the DoD Field Activities in accordance with USD (AT&L) Memorandum dated 29 May 2002. UFC will be used for all DoD projects and work for other customers where appropriate. All construction outside of the United States is also governed by Status of Forces Agreements (SOFA), Host Nation Funded Construction Agreements (HNFA), and in some instances, Bilateral Infrastructure Agreements (BIA.) Therefore, the acquisition team must ensure compliance with the most stringent of the UFC, the SOFA, the HNFA, and the BIA, as applicable. UFC are living documents and will be periodically reviewed, updated, and made available to users as part of the Services’ responsibility for providing technical criteria for military construction. Headquarters, U.S. Army Corps of Engineers (HQUSACE), Naval Facilities Engineering Command (NAVFAC), and Air Force Civil Engineer Center (AFCEC) are responsible for administration of the UFC system. Defense agencies should contact the preparing service for document interpretation and improvements. Technical content of UFC is the responsibility of the cognizant DoD working group. Recommended changes with supporting rationale should be sent to the respective service proponent office by the following electronic form: Criteria Change Request. The form is also accessible from the Internet sites listed below. UFC are effective upon issuance and are distributed only in electronic media from the following source: • Whole Building Design Guide web site http://dod.wbdg.org/. Refer to UFC 1-200-01, DoD Building Code (General Building Requirements), for implementation of new issuances on projects. AUTHORIZED BY: ______________________________________ ______________________________________ LARRY D. McCALLISTER, P.E., PhD, PMP, SES JOSEPH E. GOTT, P.E. Chief, Engineering and Construction Chief Engineer Directorate of Civil Works Naval Facilities Engineering Command U.S. Army Corps of Engineers ______________________________________ ______________________________________ EDWIN H. OSHIBA, SES, DAF MICHAEL McANDREW Deputy Director of Civil Engineers Deputy Assistant Secretary of Defense DCS/Logistics, Engineering & Force Protection (Facility Investment & Management) Office of the Assistant Secretary of Defense (Energy, Installations, and Environment) 3 UFC 3-410-02 18 July 2018 Change 2, 12 April 2021 UNIFIED FACILITIES CRITERIA (UFC) REVISION SUMMARY SHEET Document: UFC 3-410-02 Direct Digital Control for HVAC and Building Control Systems, formerly LonWorks® Direct Digital Control for HVAC and Other Local Building Systems Superseding: None Description: Design guidance and requirements for Open Direct Digital Control Systems. The guidance is particularly detailed due to the complex and definitive requirements required for the design of a digital control system and for the procurement of an Open system that supports integration into a multi-vendor system. Reasons for Document: Initial version of this UFC covered LNS-Based LonWorks only. Extensive revisions were required to accommodate BACnet and the Niagara Framework. Impact: There are negligible cost impacts; however, these benefits should be realized: • The ability to procure systems competitively that can be integrated into a single supervisory system rather than requiring the procurement of several supervisory systems. • Competitive procurement of control systems will result in cost savings. Describe the impact. This should describe impact on design cost, initial cost, energy savings, or life cycle costs. Unification Issues: None 4 UFC 3-410-02 18 July 2018 Change 2, 12 April 2021 TABLE OF CONTENTS CHAPTER 1 INTRODUCTION ............................................................................................ 1 1-1 BACKGROUND. ............................................................................................ 1 1-1.1 Open system benefits and capabilities. .................................................... 1 1-1.2 References to UFGS 23 09 23.XX. ........................................................... 2 1-2 OPEN SYSTEM TECHNOLOGIES. ............................................................. 2 1-2.2 Control system types ................................................................................. 3 1-2.3 Open system design complexity ............................................................... 3 1-3 PURPOSE AND SCOPE. .............................................................................. 4 1-3.1 Purpose ...................................................................................................... 4 1-3.2 Scope.......................................................................................................... 4 1-4 APPLICABILITY. ........................................................................................... 5 1-5 GENERAL BUILDING REQUIREMENTS. ................................................... 5 1-6 REFERENCES. .............................................................................................. 5 1-7 GLOSSARY.................................................................................................... 5 CHAPTER 2 TECHNICAL REQUIREMENTS .................................................................... 7 2-1 USE OF UFGS 23 09 XX SERIES OF SPECIFICATIONS. ........................ 7 2-2 USE OF UFGS 23 09 23.XX. ........................................................................ 7 2-3 TAILORING AND DESIGNER OPTIONS IN UFGS 23 09 23.XX. ............. 7 2-4 \1\ USE OF PROPRIETARY NETWORKS. /1/ ............................................ 7 2-4.1 \1\ Proprietary Networks for Simple Split Systems. /1/ ............................ 7 2-4.2 \1\ Proprietary Networks for Multi-Split Systems (Including Variable Refrigerant Flow (VRF) Systems). /1/ ............................................................................. 8 2-4.3 \1\ Proprietary Networks for Chiller and Boiler Plants. /1/ ....................... 8 2-4.4 \1\ All Other Systems. /1/ ........................................................................... 9 CHAPTER 3 DESIGN ........................................................................................................ 11 3-1 INTRODUCTION. ......................................................................................... 11 3-2 BASEWIDE UMCS ARCHITECTURE........................................................ 11 3-3 LONWORKS BCN ARCHITECTURE. ....................................................... 12 3-3.1 General. .................................................................................................... 12 3-3.2 CEA 709 Media selection. ....................................................................... 14 3-4 BACNET BCN ARCHITECTURE. .............................................................. 14 v UFC 3-410-02 18 July 2018 Change 2, 12 April 2021 3-4.1 Device and network addressing. ............................................................. 15 3-4.2 Media selection. ....................................................................................... 16 3-5 NIAGARA FRAMEWORK NETWORK. ..................................................... 17 3-5.1 Niagara Framework and LonWorks. ....................................................... 17 3-5.2 Niagara Framework and BACnet. ........................................................... 18 3-6 CONNECTION TO A UMCS. ...................................................................... 18 3-7 NETWORK HARDWARE. ........................................................................... 18 3-8 NETWORK DESIGN AND LAYOUT. ......................................................... 19 3-8.1 Data transmission methods. .................................................................... 19 3-8.2 Data integrity. ........................................................................................... 19 3-8.3 Number of controllers per system or sequence. .................................... 20 3-9 CYBERSECURITY.