axial ventilation fan

jallen
jallen Registered Users Posts: 10 ✭✭
in PV Installers Forum - NEC, Wiring, Installation #1
Anyone ever use them for battery ventilation? Brushless but has warning about explosive atmosphere. Thoughts.....
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  • Vic
    Vic Solar Expert Posts: 3,208 ✭✭✭✭
    #2

    Hi jallen,

    Have never used an official Axial battery box vent fan.  Use natural convection,  here.

    A Brushless Motor should not make any sparks.    There might be a remote chance,  that some electronic part that fails catastrophically,  might cause an unwanted event,  dunno.

    Quite possibly,  the manufactures is just covering its tail.    FWIW,   Vic

    Off Grid - Two systems -- 4 SW+ 5548 Inverters, Surrette 4KS25 1280 AH X2@48V, 11.1 KW STC PV, 4X MidNite Classic 150 w/ WBjrs, Beta KID on S-530s, MX-60s, MN Bkrs/Boxes.  25 KVA Polyphase Kubota diesel,  Honda Eu6500isa,  Eu3000is-es, Eu2000,  Eu1000 gensets.  Thanks Wind-Sun for this great Forum.
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  • 2manytoyz
    2manytoyz Solar Expert Posts: 373 ✭✭✭
    #3
    I've used a brushless fan for several years.  My battery box is metal, sits outside, and is vented, but the fan not only prevents potential explosive gas buildup, but also helps cool the box.




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