Air Conditioning setting when not on the boat?

Discussion in 'General Discussion' started by ArtWallach, May 26, 2017.

  1. ArtWallach

    ArtWallach Member

    160
    Sep 12, 2011
    Lindenhurst NY
    2000 Sea Ray 310 Sundancer
    T300hp Mercruiser Inboards
    Hello All,
    How do you leave your air conditioning settings (in your slip at the marina, connected to shore power) when you're not on the boat and you wont be back until the following weekend?
    Thanks
    Art
     
  2. Bop

    Bop Active Member SILVER Sponsor

    280
    Sep 3, 2013
    Georgian Bay/Lake Huron
    2001 410 Express, Highfield DL350 w/40hp Yamaha
    Cat 3126
    HU mode. Press heat, cold, and fan at the same time.


    Sent from my iPhone using Tapatalk
     
  3. Stee6043

    Stee6043 Well-Known Member

    Jun 1, 2015
    West Michigan
    1997 Sundancer 400
    7.4L Gassers
    I turn it off. AC is a pump pulling water into your boat. I'd rather not have those running when I'm away from the boat for a while. Especially up north. I'm not sure you really need the dehumidification?
     
  4. Gofirstclass

    Gofirstclass Well-Known Member GOLD Sponsor

    Apr 20, 2010
    Tri Cities, WA
    1995 550 Sedan Bridge,
    2010 Boston Whaler 130 Super Sport,
    1981 Boston Whaler 130 Sport,
    CAT 3406C's, 580hp.
    Off. We live in a desert and don't need the dehumidification. Plus the boat is under covered moorage so that keeps the sun off it during most of the day, and because the bow faces east, there's a white Stamoid cover over the windshield that keeps the heat from coming in thru the glass.
     
  5. NotHerDecision

    NotHerDecision Well-Known Member

    Jun 28, 2016
    Houston, Texas
    2001 Sea Ray 460 Sundancer
    2014 Seadoo 155 LTD
    2105 Seadoo 130 SE
    2013 Mercury Dinghy
    Cummins 6CTA 8.3L
    We must have it on while we are away. Near 100% humidity here most days. I either turn it up to 80 or dehumidification. I only leave the salon unit on because if something goes wrong it drains to a bilge pump in the midcabin so I have a little bit of a backup plan.


    Sent from my iPhone using Tapatalk
     
  6. Dani-Lu

    Dani-Lu Active Member SILVER Sponsor

    565
    Apr 20, 2007
    Delray Beach, Fl. / Long Island - GSB
    2001 410DA
    3126 Cats
    HU - dehumidification setting.
     
  7. sbw1

    sbw1 Well-Known Member

    Oct 10, 2006
    West Michigan
    This is listed in my signature
    This is listed in my signature
    Off. The only time we run ours is when we are sleeping or when the weather is marginal. Used it today for the first time while doing a dinner cruise. It was spitting rain and cool so we had the drop curtain on with the helm air cranking. My take on the humidity is it's a non-issue in the northern climate. Our boat gets hotter than blazes when it is closed up. We don't run the fridge except when cruising so there is no reason to cool the cabin to take the load off of that appliance. And, the boat is dry below so mildew is not an issue.
     
  8. JVM225

    JVM225 Well-Known Member GOLD Sponsor

    Apr 8, 2008
    Farmingdale, NY
    2002 410 Sundancer, Monaco Edition.
    3126 Cats.
    I agree.
     
  9. jthatcher

    jthatcher Member

    307
    Jul 27, 2014
    Nashville, TN
    1990 310 Sundancer
    7.4L V Drive
    9.0 BTC Westerbeke
    We keep ours off. I have a 30 pint dehumidifier that I keep running g all of the time at the dock. This drains into the shower and keeps the boat fresh.


    Sent from my iPhone using Tapatalk Pro
     
  10. Robski97

    Robski97 Well-Known Member GOLD Sponsor

    Jan 15, 2007
    North Bellmore, NY
    44DA
    Cummins QSC 8.3's
    Guys I completely disagree . U need dehumidify in NY in the summer. Multiple reason. One being the mold experiment ur breeding in ur fabrics . Two the extra strain ur putting on ur salon refrigerator. Yes .. ur refrigerator works harder when the air temp rises into the 90s plus when was the last time u cleaned the condenser coil on ur refrigerator ?? so yea def put ac in dehumidify mode.

    Rob
     
  11. RollerCoastr

    RollerCoastr Well-Known Member

    Nov 15, 2007
    Cedar Point, OH / Miami, FL / MacRay Harbor, MI
    1997 400DA
    340HP 7.4 Mercruiser Bluewaters
    Garmin 741, 742, 8212, 24HD, Intellian I2
    1999 280BR
    Twin 250HP Merc 350 Alpha Ones
    I keep one of mine on DH in mild weather, both of them in extreme weather.

    Do you have separate pumps for each unit? I could've sworn 460DA's used a single pump.
     
  12. CliffA

    CliffA Well-Known Member GOLD Sponsor

    Dec 29, 2009
    Lake Norman, NC
    2001 Sea Ray 340DA
    Name: 'Happy Place'
    4.5kW West. Generator
    Purchased Nov. 2014
    Fresh Water Use
    Twin Merc. 6.2L (MPI)
    640 hp (Total)
    Raw Water Cooled
    V-Drive Transmissions
    set mine to 78 when not aboard to keep the humidity under control......IMO this is a must in areas that have high heat and high humidiy during the summer......

    cliff
     
  13. Joel_MD

    Joel_MD Member

    210
    Jun 20, 2016
    Chesapeake Bay
    390 Motor Yacht, 2005
    Cummins 480 CE
    The dehumidifier is a good idea.

    I keep mine off most of the time, although if the weather is particularly hot or humid I'll turn on the AC the day before we use the boat so the cabin is comfortable when we get there.
     
  14. RollerCoastr

    RollerCoastr Well-Known Member

    Nov 15, 2007
    Cedar Point, OH / Miami, FL / MacRay Harbor, MI
    1997 400DA
    340HP 7.4 Mercruiser Bluewaters
    Garmin 741, 742, 8212, 24HD, Intellian I2
    1999 280BR
    Twin 250HP Merc 350 Alpha Ones
    The reason I don't do that is if a cold front hits and we get 4 days of rain but only 77 degrees of heat, the unit never kicks on.
     

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