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  1. #11
    Join Date
    Feb 2014
    Location
    The Northern Powerhouse
    Posts
    2,960

    Default Re: Air Conditioning

    Quote Originally Posted by Portofino View Post
    Not the self contained, but the chiller unit . They do a 42 or 62 K BTU .
    The actual chiller unit is under a bunk in the aft cabin . It's so quiet the occupant of the bunk is oblivious it's generating 41K btu . The pumps are in the ER .
    Go to the frigomar website and u tube for demo s
    Remember the current draw is tiny also being DC . It runs ( silently) all the time . Traditional AC motors make a racket and turn off when at set point , then judder when they turn on and cause AC spikes . There's slow start ramps but window dressing the current spikes and tripling risk .
    It ain't the cheapest btw . But well worth the comfort on board .
    In fact comfort can get really silly if you want stability, Stabs make the frigomar air con look a bargain. But let's not go there
    That's a great review, increasing my motivation to refurb. I’ve been meaning for a while to change my old Cruisair system for a modern inverter type set up. There are a couple of other makers out there too. Webasto Blue Cool or something and there is another one too from Italy.

    By the way, for those not maybe ready for a modernisation, I did a great sound proofing project on my Cruisair. I completely buried it all in 32mm lead plastic/foam sound absorbent panelling bought from Halyard. I also buried the horrid circulation pump. It is a LOT quieter now, almost silent.

  2. #12
    Join Date
    Nov 2015
    Location
    UK
    Posts
    2,148

    Default Re: Air Conditioning

    I would not worry to much it a unit is noisy so long as the noise is constant. Humans are able to sleep well if a noise is the same level and constant. It is changes in noise that wakes you up. We have a very noisy AC unit at home in our bedroom and it actually helps me and my wife sleep
    Only ever look down on a person when you are bending over to help them up.

  3. #13
    Join Date
    Jun 2001
    Location
    home Brum, boat Costa Brava
    Posts
    3,956

    Default Re: Air Conditioning

    One of the irritating thing we observe at night is that we have a quiet Veco Climma self contained and also a quiet fridge. When they both go together we get “beats”. I don’t think with my system there is any way around this.

  4. #14
    Join Date
    Nov 2015
    Location
    UK
    Posts
    2,148

    Default Re: Air Conditioning

    Quote Originally Posted by DavidJ View Post
    One of the irritating thing we observe at night is that we have a quiet Veco Climma self contained and also a quiet fridge. When they both go together we get “beats”. I don’t think with my system there is any way around this.
    Yes beats or changing sound levels is the issue. You can actually sleep in quite a loud environment provided the sound is constant.
    Only ever look down on a person when you are bending over to help them up.

  5. #15
    Join Date
    May 2001
    Location
    ation, Loc: ation, Loc: ation.
    Posts
    16,491

    Default Re: Air Conditioning

    I know it's worth stating the obvious but....

    1) A/C ducts can be quite bulky. Make sure that you your boat has the space to pass the ducts under the floor if you're trying to use one unit to cool multiple cabins.
    2) You will need to have the boat lifted (and ideally blocked off) to have the new through hull fittings installed.
    3) Decide whether you want your discharges above or below the w/l.
    4) Make sure that the installers put a condensate drain into a shower sump or similar (not into the bilges as they did for mine). Nobody wants a load of stagnant water in their bilges.

  6. #16
    Join Date
    Dec 2005
    Location
    Live London
    Posts
    3,831

    Default Re: Air Conditioning


  7. #17
    Join Date
    Feb 2014
    Location
    The Northern Powerhouse
    Posts
    2,960

    Default Re: Air Conditioning

    Quote Originally Posted by DavidJ View Post
    One of the irritating thing we observe at night is that we have a quiet Veco Climma self contained and also a quiet fridge. When they both go together we get “beats”. I don’t think with my system there is any way around this.
    I agree a change in sound level is an issue for good sleeping. I’m a light sleeper and I sometimes wake when the evaporator control solenoid clicks ever half hour or so. To minimise the noise changes I configured the blower to be on constantly instead of switching on and off, which is the more energy efficient option.

    I also feel the change of temperature as it suddenly drops and that also sometimes wakes me. That issue is another attraction of the inverter type systems, where the temperature of the output air is modulated to give a more constant output and so you should never get that sudden cold air sensation.

  8. #18
    Join Date
    Jun 2001
    Location
    home Brum, boat Costa Brava
    Posts
    3,956

    Default Re: Air Conditioning

    Quote Originally Posted by petem View Post
    I know it's worth stating the obvious but....

    1) A/C ducts can be quite bulky. Make sure that you your boat has the space to pass the ducts under the floor if you're trying to use one unit to cool multiple cabins.
    2) You will need to have the boat lifted (and ideally blocked off) to have the new through hull fittings installed.
    3) Decide whether you want your discharges above or below the w/l.
    4) Make sure that the installers put a condensate drain into a shower sump or similar (not into the bilges as they did for mine). Nobody wants a load of stagnant water in their bilges.
    All good points.
    After many years of annoying the neighbours with outlet above the waterline we converted to below. No change in performance and happy neighbours.

    Pete I think you have a similar size boat to mine S37. I have just one 9k unit for saloon and guest cabin (we just leave the bedroom door open at night) we are underspeced for the Med but manage. How have you arranged your 16k?

  9. #19
    Join Date
    May 2001
    Location
    ation, Loc: ation, Loc: ation.
    Posts
    16,491

    Default Re: Air Conditioning

    Quote Originally Posted by DavidJ View Post
    Pete I think you have a similar size boat to mine S37. I have just one 9k unit for saloon and guest cabin (we just leave the bedroom door open at night) we are underspeced for the Med but manage. How have you arranged your 16k?
    It's a long story but we ended up with a single unit under the forward berth with the outlet blowing cold air out of the door of the cabin and into the saloon. To get the forward cabin REALLY cool / quickly we close the forward cabin door. To cool the rest of the boat we leave the forward and rear cabin doors open.

  10. #20
    Join Date
    Jun 2001
    Location
    home Brum, boat Costa Brava
    Posts
    3,956

    Default Re: Air Conditioning

    Quote Originally Posted by petem View Post
    It's a long story but we ended up with a single unit under the forward berth with the outlet blowing cold air out of the door of the cabin and into the saloon. To get the forward cabin REALLY cool / quickly we close the forward cabin door. To cool the rest of the boat we leave the forward and rear cabin doors open.
    Thanks Pete
    We have our unit under the saloon settee with outlets to the saloon and guest cabin but the height does constrain us to a 9k unit. At some stage I might put a 5k or so second unit under the main bed (I overspeced the pump to do this). Sealine drawings show two 7k units one under the main bed and the other in the lazarette.

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