Pro-C PS series controller manual
View the manual for the early model of Pro-C controller. This controller was discontinued in 2014 and has different programming features than the latest version than the PC-400. It is a 3 station base controller and expandable by 3 station increments up to 15 stations. It is capable of accepting the Solar sync sensor which performs as an ET weather sensor and provides runtime adjustments based on the local weather conditions.