My 0.0000041 BTC: 1) For small facilities, without separate temperature-controlled UPS zones, the optimum temperature for lead-acid batteries may be the lower bound. 77°F is optimal, with significant reduction in battery life even 15°F above that. Given that batteries' internal temperature will be higher than ambient, 80° set point is not stupid. I run cooler, FWIW. 2) Headroom. I try to have documented for each facility the climb in degrees per hour (determined empirically) as a backup so I know required response times when AC failure occurs. On Wed, Oct 11, 2017 at 10:09 AM, Naslund, Steve <SNaslund@medline.com> wrote:
Bottom line 80 F input air is too hot in my opinion and apparently the equipment's opinion as well.
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Jeremy Austin jhaustin@gmail.co <jhaustin@gmail.com>m (907) 895-2311 office (907) 803-5422 cell Heritage NetWorks <https://heritagenet.works/> - Whitestone Power & Communications - Vertical Broadband, LLC <http://verticalbroadband.com/>