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USACE / NAVFAC / AFCEC / NASA UFGS-23 09 93 (November 2015)
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Preparing Activity: USACE Superseding
UFGS-23 09 23 (
May 2011)
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 93
SEQUENCES OF OPERATION FOR HVAC CONTROL
11/15
PART 1 GENERAL
1.1 DEFINITIONS
1.2 SUBMITTALS
PART 2 PRODUCTS
PART 3 EXECUTION
3.1 SEQUENCES OF OPERATION FOR OCCUPANCY SCHEDULING
3.1.1 System Mode
3.1.2 System Scheduler Requirements
3.1.2.1 Scheduled Occupancy Input
3.1.2.2 Occupancy Override Input
3.1.2.3 Space Occupancy Inputs
3.1.2.4 Air Handler Occupancy Output
3.1.2.5 Terminal Unit Occupancy Output
3.1.2.6 Default Schedule
3.1.2.7 Communication Determination
3.1.3 System Scheduler Output Determination
3.1.3.1 Air Handler Occupancy Output
3.1.3.2 Terminal Unit Occupancy Output
3.1.4 Air Handler System Scheduling
3.1.5 Stand-Alone Terminal Unit Scheduling
3.2 SEQUENCES OF OPERATION FOR AIR HANDLING UNITS
3.2.1 All-Air Small Package Unitary System
3.2.1.1 Fan ON-AUTO Switch
3.2.1.1.1 ON
3.2.1.1.2 AUTO
3.2.1.2 HEAT-OFF-COOL[-EMERG HEAT] Switch
3.2.1.2.1 HEAT-COOL[-EMERG HEAT]
3.2.1.2.2 OFF
3.2.1.3 Occupancy Modes
SECTION 23 09 93 Page 1
