Control system and temperature of a spa ipt

The drawing consists of 3 layouts that are divided into: cold / hot water system in isometric, eletric isometric system that also contains the single-line diagram of engines and detailed drawings for the construction of a network of land and the connection of the board physical, and finally the automation system of the control system by means of an e5ck controller and valves; each of the plans has technical specifications in detail and were used for approval in the mayor's office. autocad - dwg.