Can somebody please explain vrv to me?

hi there can somebody please point me in the direction of an image or animation that shows the cycle of refrigerant in a vrv system and how it works , like what happens in the branch boxes. Ive installed a few of these but i dont quite understand the concept lke how it cools and heats at the same time.

hi look at this

http://www.daikinac.com/commercial/d...c=docs&page=29

Norm

Hi...Try this link pages 31 - 38 could be what your looking for

http://www.daikinac.com/commercial/d...SiUS39-602.pdf