One of the fun things you will see if you visit eastern WA is the Yahoo Chicken Coop design datacenter:
https://gigaom.com/2010/09/19/now-online-yahoos-chicken-coop-inspired-green-data-center/ http://www.datacenterknowledge.com/archives/2011/12/12/inside-yahoos-chicken-coop-data-center/ http://www.datacenterknowledge.com/archives/2013/03/25/yahoo-building-a-bigger-computing-coop/ During most of the winter they use massive squirrel cage blowers & filters to bring in outside air. Quincy, WA stays nice and cold from October-March. On Mon, Sep 28, 2015 at 10:43 AM, Nate Burke <[email protected]> wrote: > I'm looking to add backup cooling to a small computer room, <200sqft. > Primary cooling is via a RTU (roof top unit), but I can't put that on our > generator (240v genset vs 480v RTU). I'm thinking like a 2 or 3 ton Split > system would be perfect. Problem is we're in the midwest, and outdoor > temperatures can drop to 0 or below over the winter. Looking at the split > systems, nobody seems to know if they will work for cooling with outdoor > temperatures that low. Online searching has yielded results for Heat Pump > units, where they want to Heat with low temperatures. Has anyone had > experience with Split systems cooling with low outdoor temperatures? Are > there special compressors built for that use? I have heard about putting a > thermostat on the fan line to cut out the compressor fan below ambient X > temp, or shrouding the compressor to keep wind from blowing through it. > But have not been able to confirm from any HVAC contractor the validity. > > This would only be for backup use, RTU Failure, or power outage. The RTU > is handling the load normally without an issue. My Current Backup is > Movincool units, but I want to reclaim the floor space, and make it more > permanent. > > >
