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Legacy Title Key
UFGS 23 09 23.01 Lonworks Direct Digital Control for HVAC and Other Building Control Systems
Spec. Division
23 - Heating, Ventilating, and Air Conditioning
CCR
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 [ARCHIVED] |
|---|---|---|---|---|---|
| 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 |
Comments
Complete review and update.
Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:29
Complete review and update.
Incorporated changes to
Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:29
Incorporated changes to accommodate new requirements for an exception to the use of open protocols within specific system types when certain criteria are met.
Complete review and update.
Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:29
Complete review and update.
Superseding UFGS 23 09 23
Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:29
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