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solar i boost

  • 01-09-2017 7:06am
    #1
    Registered Users, Registered Users 2 Posts: 68 ✭✭


    I had a PV solar system installed about 6 weeks ago. In the morning the solar i boost (diverts the electrical energy to the hot water cylinder?) is noisy. Noise sounds like small gears turning or a buzzing noise.The sound is clearly heard almost exclusively in the morning
    Is this normal?
    Supplier says it is. I was not expecting any noise from solar system at all.


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