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  1. #1
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    Mitsubishi paper





    It's better to keep your mouth shut and give the impression that you're stupid than to open it and remove all doubt.

  2. #2
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    Re: Mitsubishi paper

    It would seem that the Japanese manufacturers were developing CO2 / R744 heatpump water heater technology in the 1990's & have now sold over 1 million CO2 domestic heat pump water heaters in the Japan domestic market since first launch in 2001 helped by large subsidies from Japan government to domestic end users so buy this new type of water heater. They are on target to sell 5 million by 2010.
    As the Japanese manufacturers are world leaders in this technology & have more than a decade lead on the rest of the world in the development & mass production of CO2 heat pump products it's not really an surprise that Mitsubishi Electric are now developing a VRF air conditioning system with R744 refrigerant.

    100+ bar discharge pressure ?
    Anyone know where in the UK we can get training & 2078 upgrade for R744 ?

  3. #3
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    Re: Mitsubishi paper

    I think they have lost the plot, 100 + Bar discharge pressure, just think what the HP must trip at!
    If one of these baby's let go one day it will be the bomb squad that will get called out first.

  4. #4
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    Re: Mitsubishi paper

    Sorry, scanned through the report, downloaded for later reading, but what sort of suction pressure would a CO2 Plant run at for a LT Pack? HT Pack?

  5. #5
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    Re: Mitsubishi paper

    Could you imagine the health and safety nightmare in the UK to allow this plant to be installed!!
    If at first you DO succeed, try to hide your astonishment!!

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