Submersible pump and no water

GeorgeF

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Join Date: Nov 2018

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#1

Submersible pump and no water

08-11-2019, 08:29 AM

This cheap submersible brushless 12v 19w dc-powered circulation pump is able to lift 5m. I can run it directly from a panel without using cc+battery.

[FONT=Merriweather, Times New Roman, Times, serif][COLOR=#353535]Anyone knows if it is running without pumping (no water) wether this will have a negative effect?? I can imagine it then works like a fan or not? [/COLOR][/FONT]

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GeorgeF

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Join Date: Nov 2018

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#2

08-11-2019, 08:33 AM

And this is his little brother, 8watt
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Mike90250

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#3

08-11-2019, 10:08 AM

running pumps dry damages bearings and impellers, I'd avoid it.

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

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