Danfoss Turbocor released its new TT350 for 380-volt 50Hz and 60Hz applications. Similar to the other TT series compressors, the TT350 380-volt 50Hz and 60Hz models are oil-free, variable-speed, magnetic bearing centrifugal compressors.
Many engineers tend to avoid or delegate the nitty gritty of a ground source heat pump system, from soil moisture effects to building system (im) balance. It's time for designers to get in the loop. Learn more about Grounded In Reality in the December issue. Other topics in the December issue include health care HVAC, Boilders, check out the Back2Basics, and more.