4
Date:
08-01-2024
Division:
Division 23 - Heating, Ventilating, and Air Conditioning
Status:
Active
Page(s):
31
Criteria Change Request:
Federal Facility Criteria:
History: Below is a listing of the Revisions and Changes made to this UFGS.
KEY | PREPARING ACTIVITY (PA) | A Army | N Navy | F Air Force | S NASA |
---|---|---|---|---|---|
ACTION | N New | R Revision | C Change | D Deletion |
Release | PA | Date | Action | Change # | Nature of Change or Revision |
---|---|---|---|---|---|
Aug-2024 | A | Aug-2024 | R |
Complete review and update. |
|
Feb-2020 | A | Feb-2019 | C | 1 |
Incorporated changes to accommodate new requirements for an exception to the use of open protocols within specific system types when certain criteria are met. |
Feb-2019 | A | Feb-2019 | R |
Complete review and update. |
|
Nov-2015 | A | Nov-2015 | N |
Superseding UFGS 23 09 23 LONWORKS DIRECT DIGITAL CONTROL FOR HVAC AND OTHER BUILDING CONTROL SYSTEMS and UFGS 23 09 23.13 20 BACnet DIRECT DIGITAL CONTROL SYSTEMS FOR HVAC |