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USACE / NAVFAC / AFCEC / NASA UFGS-23 09 23.02 (February 2019)
Change 1 - 02/20
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Preparing Activity: USACE Superseding
UFGS-23 09 23.0
2 (November 2015)
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 09 23.02
BACNET DIRECT DIGITAL CONTROL FOR HVAC AND OTHER BUILDING CONTROL SYSTEMS
02/19, CHG 1: 02/20
PART 1 GENERAL
1.1 SUMMARY
1.1.1 System Requirements
1.1.2 Verification of Specification Requirements
1.2 REFERENCES
1.3 DEFINITIONS
1.4 SUBMITTALS
PART 2 PRODUCTS
2.1 NETWORK HARDWARE
2.1.1 BACnet Router
2.1.2 BACnet Gateways
2.1.3 Ethernet Switch
2.2 CONTROL NETWORK WIRING
2.3 DIRECT DIGITAL CONTROL (DDC) HARDWARE
2.3.1 General Requirements
2.3.2 Hardware Input-Output (I/O) Functions
2.3.2.1 Analog Inputs
2.3.2.2 Analog Outputs
2.3.2.3 Binary Inputs
2.3.2.4 Binary Outputs
2.3.2.4.1 Relay Contact Closures
2.3.2.4.2 Triac Outputs
2.3.2.5 Pulse Accumulator
2.3.2.6 ASHRAE 135 Objects for Hardware Inputs and Outputs
2.3.2.7 Integrated H-O-A Switches
2.3.3 Local Display Panel (LDP)
2.3.4 Expansion Modules and Tethered Hardware
2.3.5 Supervisory Control Requirements
2.3.5.1 Scheduling Hardware
2.3.5.2 Alarm Generation Hardware
2.3.5.3 Trending Hardware
SECTION 23 09 23.02 Page 1
