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  • Decommissioning system

    Have some old evacuated tubes as solar panels and I'm now looking at decommissioning system to just operate on the electric immersion heater.
    Is it ok if I drain solar side of the system, leave the tubes on the roof and reconfigure electric to a simple timer.
    My main concern is what will happen to the tubes and will it be safe?
    Thanks in advance

  • #2
    The tubes should be spring-loaded and able to be removed, and if still operable, there is a market for selling good tubes. Leaving them installed, with no water in the manifold as a heatsink, will lead to their demise and then they are scrap.
    Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
    || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
    || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

    solar: http://tinyurl.com/LMR-Solar
    gen: http://tinyurl.com/LMR-Lister

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