VMA on Dual Duct with single setpoint question.
Results 1 to 3 of 3
  1. #1
    Join Date
    Nov 2006
    Location
    Desert Southwest
    Posts
    624

    VMA on Dual Duct with single setpoint question.

    Choosing a single setpoint of say 73dgF and using the default bias of two degrees the cooling setpoint will be 75dgF and the heating setpoint will be 71dgF as I understand it. Effectively is this giving me a four degree deadband (for lack of a better term) where both the HD and CD dampers will be at minimum?
    If I am understanding this correctly will the Cold Deck damper begin to modulate open at 75dgf?
    Usually I have someone do the programming but don't have the available manpower at the moment. Any help is really appreciated.
    If you can't fix it with JB Weld, Duct Tape, and Ty Wire it has to be replaced.
    No good deed goes unpunished.
    If you want to take off friday to go fishing then make sure you train your helper right.

  2. #2
    Join Date
    Nov 2005
    Location
    Shreveport, Louisiana
    Posts
    2,329
    Bacnet vma or N2 vma????
    UA Local 141

  3. #3
    Join Date
    Nov 2006
    Location
    Desert Southwest
    Posts
    624
    N2
    If you can't fix it with JB Weld, Duct Tape, and Ty Wire it has to be replaced.
    No good deed goes unpunished.
    If you want to take off friday to go fishing then make sure you train your helper right.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event