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Air Source Heat Pumps

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Comments

  • richardc1983
    richardc1983 Posts: 2,163 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Combo Breaker
    ah ok pace, i follow now!
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  • Andy_WSM
    Andy_WSM Posts: 2,217 Forumite
    Part of the Furniture 1,000 Posts Uniform Washer Rampant Recycler
    Thanks Pace. I have done both. Well, it's back up & running. Will see how it performs over the next week as I believe we are about to get another icy plunge!

    The manual says the heat pump will over ride the programmer and turn itself on if there is a risk of freezing, but I guess I need a backup should the power fail!

    The manual also says that I can add anti-freeze to the system. At the moment I have Wickes corrosion inhibitor, so guess if I drain the system, flush it out and refill with an anti-freeze mixture it should work fine? anti-freeze also inhibits corrosion doesn't it?
  • richardc1983
    richardc1983 Posts: 2,163 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Combo Breaker
    Yes Anti Freeze does indeed, I know people who have used the same formula that they would use in their car radiators and worked fine obviously need a little bit more in though.

    Yes you would need a backup power should it fail but then again any heating system would be the same lol!!!
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  • Andy_WSM
    Andy_WSM Posts: 2,217 Forumite
    Part of the Furniture 1,000 Posts Uniform Washer Rampant Recycler
    richardc1983 wrote: »
    Yes Anti Freeze does indeed, I know people who have used the same formula that they would use in their car radiators and worked fine obviously need a little bit more in though.

    Yes you would need a backup power should it fail but then again any heating system would be the same lol!!!

    So no danger of rotting the system from the inside out with anti-freeze?

    I have run the heat pump from my 2KW petrol generator before, so if the worst happened and I was here and needed heat & hot water I wouldn't have to worry too much!
  • richardc1983
    richardc1983 Posts: 2,163 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Combo Breaker
    edited 31 December 2009 at 5:25PM
    Its good that you have a backup generator most ppl dont!

    I would check with the manufacturers but i dont think its a problem, I know other manufacturers that reccomend it as standard.


    Should I use antifreeze in the groundloop?
    Yes, ideally. In case of leakage, it is important to use a non-toxic antifreeze. The
    cheapest and easiest solution is to use common salt. You should add enough salt
    to protect to -12C.
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  • richardc1983
    richardc1983 Posts: 2,163 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Combo Breaker
    Ask in the following forum though to be sure...

    http://www.refrigeration-engineer.com/forums/forumdisplay.php?f=78
    If you found my post helpful, please remember to press the THANKS button! --->
  • Andy_WSM
    Andy_WSM Posts: 2,217 Forumite
    Part of the Furniture 1,000 Posts Uniform Washer Rampant Recycler
    Top man, cheers. Unit is running ok at the moment, started to ice up, but been running flat out for the last 3 hours and only 2C outside.
  • richardc1983
    richardc1983 Posts: 2,163 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Combo Breaker
    yeh it will start to ice up but icinig up in 3 hours isnt that bad, your loft would have been colder if outside is 2C.
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  • Andy_WSM
    Andy_WSM Posts: 2,217 Forumite
    Part of the Furniture 1,000 Posts Uniform Washer Rampant Recycler
    richardc1983 wrote: »
    yeh it will start to ice up but icinig up in 3 hours isnt that bad, your loft would have been colder if outside is 2C.

    Yes it would. There was ice everywhere again this morning when I went to remove the unit!
  • richardc1983
    richardc1983 Posts: 2,163 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Combo Breaker
    Oh no well you have done the best thing, its better out in the open as they say!
    If you found my post helpful, please remember to press the THANKS button! --->
This discussion has been closed.
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