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  1. #1
    Join Date
    May 2008
    Location
    Northern Michigan
    Posts
    7

    Will this hurt anything?

    My contractor just completed installing my new system. Trane XV95, XB13, T803, and all new ductwork. Part of the system serves a new addition (780sft). The addition is not yet insulated and drywalled so all the registers and returns are closed/covered. The remainder of the system serves the existing 1040 sft house. Can/should the system be run in this condition? The contractor said it's fine because there's plenty of return air in the existing house.

  2. #2
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    66,755
    Should be ok. If its only for a week.
    Contractor locator map

    How-to-apply-for-Professional

    How many times must one fix something before it is fixed?

  3. #3
    Join Date
    Dec 2002
    Location
    Toledo, Ohio, United States
    Posts
    12,896
    Twilli says it amazing how some systems run at all
    No Heat No Cool You need Action Fast

  4. #4
    Join Date
    Mar 2005
    Location
    Suppy NC
    Posts
    4,509
    should be fine

    you dont want the runs in the addition opened untill it is painted

    the dust will cause a lot more harm then a little less air can

  5. #5
    Join Date
    May 2008
    Location
    Northern Michigan
    Posts
    7
    Thanks. Will try to use sparingly, if at all, until remaining ducts can be opened up, hopefully about three weeks. We've never had a/c other than window unit so we should be able to survive a little bit longer.

  6. #6
    Join Date
    Mar 2008
    Location
    Grundy Co. IL
    Posts
    772
    Quote Originally Posted by 1-hour View Post
    My contractor just completed installing my new system. Trane XV95, XB13, T803, and all new ductwork. Part of the system serves a new addition (780sft). The addition is not yet insulated and drywalled so all the registers and returns are closed/covered. The remainder of the system serves the existing 1040 sft house. Can/should the system be run in this condition? The contractor said it's fine because there's plenty of return air in the existing house.
    Don't let them open them while they are sanding the drywall, how ever, if the unit is sized for the whole house, you may have an air flow issue until they're done.

  7. #7
    Join Date
    May 2008
    Location
    Northern Michigan
    Posts
    7
    10x8 supply, 14x8 return closed off to addition. 14x8 supply, 20x8 return open to existing house. 2.5 ton outdoor unit, not sure of cfm setting. The blower seems a little louder than I expected but noise is almost undetectable at registers. We will definately wait until drywall is complete before opening them up. I just don't want cause a problem with the blower motor.

  8. #8
    Join Date
    Jul 2006
    Location
    Southern Ca, Elkton Md
    Posts
    7,566
    Interesting name you've got there......
    "Correct Installation is the Key"

    .1 has killed more HX then Rush Limbaugh

    What is your TESP?

  9. #9
    Join Date
    May 2008
    Location
    Northern Michigan
    Posts
    7
    Quote Originally Posted by weber View Post
    Interesting name you've got there......
    As Twilli say... Amazing how some systems run

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